优化回测数据集内存并修复rolling依赖识别

This reverts commit 7ce28e6d0f.

crates/fidc-core/src/cost.rs

@@ -44,7 +44,7 @@ pub struct ChinaAShareCostModel {
 impl Default for ChinaAShareCostModel {
     fn default() -> Self {
         Self {
-            commission_rate: 0.0003,
+            commission_rate: 0.0008,
             stamp_tax_rate_before_change: 0.001,
             stamp_tax_rate_after_change: 0.0005,
             minimum_commission: 5.0,
@@ -53,6 +53,14 @@ impl Default for ChinaAShareCostModel {
 }
 
 impl ChinaAShareCostModel {
+    pub fn aiquant_rqalpha_default() -> Self {
+        Self {
+            stamp_tax_rate_before_change: 0.0005,
+            stamp_tax_rate_after_change: 0.0005,
+            ..Self::default()
+        }
+    }
+
     pub fn commission_for(&self, gross_amount: f64) -> f64 {
         if gross_amount <= 0.0 {
             return 0.0;

crates/fidc-core/src/engine.rs

@@ -1,12 +1,12 @@
 use std::collections::{BTreeMap, BTreeSet};
 
-use chrono::{Datelike, NaiveDate};
+use chrono::{Datelike, Duration, NaiveDate, NaiveTime};
 use serde::Serialize;
 use thiserror::Error;
 
 use crate::broker::{BrokerExecutionReport, BrokerSimulator, MatchingType};
 use crate::cost::CostModel;
-use crate::data::{BenchmarkSnapshot, DataSet, DataSetError, PriceField};
+use crate::data::{BenchmarkSnapshot, DataSet, DataSetError, IntradayExecutionQuote, PriceField};
 use crate::event_bus::{BacktestProcessMod, BacktestProcessModLoader, ProcessEventBus};
 use crate::events::{
     AccountEvent, FillEvent, OrderEvent, OrderSide, OrderStatus, PositionEvent, ProcessEvent,
@@ -20,7 +20,10 @@ use crate::metrics::{BacktestMetrics, compute_backtest_metrics};
 use crate::portfolio::{CashReceivable, HoldingSummary, PortfolioState};
 use crate::rules::EquityRuleHooks;
 use crate::scheduler::{ScheduleRule, ScheduleStage, Scheduler, default_stage_time};
-use crate::strategy::{Strategy, StrategyContext};
+use crate::strategy::{
+    OpenOrderView, OrderIntent, Strategy, StrategyContext, StrategyDecision,
+    TargetPortfolioOrderPricing,
+};
 
 #[derive(Debug, Error)]
 pub enum BacktestError {
@@ -95,6 +98,18 @@ pub struct BacktestResult {
     pub metrics: BacktestMetrics,
 }
 
+#[derive(Debug, Clone)]
+pub struct ExecutionQuoteRequest {
+    pub date: NaiveDate,
+    pub start_time: Option<chrono::NaiveTime>,
+    pub end_time: Option<chrono::NaiveTime>,
+    pub symbols: BTreeSet<String>,
+}
+
+type ExecutionQuoteLoader = Box<
+    dyn FnMut(ExecutionQuoteRequest) -> Result<Vec<IntradayExecutionQuote>, BacktestError> + Send,
+>;
+
 #[derive(Debug, Clone, Serialize)]
 pub struct AnalyzerTradeRow {
     #[serde(with = "date_format")]
@@ -313,6 +328,8 @@ pub struct BacktestEngine<S, C, R> {
     broker: BrokerSimulator<C, R>,
     config: BacktestConfig,
     dividend_reinvestment: bool,
+    cash_dividends_enabled: bool,
+    cash_dividend_adjusts_cost_basis: bool,
     process_event_bus: ProcessEventBus,
     dynamic_universe: Option<BTreeSet<String>>,
     subscriptions: BTreeSet<String>,
@@ -323,6 +340,9 @@ pub struct BacktestEngine<S, C, R> {
     futures_settlement_price_mode: String,
     futures_cost_model: FuturesTransactionCostModel,
     futures_validation_config: FuturesValidationConfig,
+    execution_quote_loader: Option<ExecutionQuoteLoader>,
+    execution_quote_request_cache:
+        BTreeSet<(NaiveDate, String, Option<NaiveTime>, Option<NaiveTime>)>,
 }
 
 impl<S, C, R> BacktestEngine<S, C, R> {
@@ -338,6 +358,8 @@ impl<S, C, R> BacktestEngine<S, C, R> {
             broker,
             config,
             dividend_reinvestment: false,
+            cash_dividends_enabled: true,
+            cash_dividend_adjusts_cost_basis: true,
             process_event_bus: ProcessEventBus::new(),
             dynamic_universe: None,
             subscriptions: BTreeSet::new(),
@@ -348,14 +370,40 @@ impl<S, C, R> BacktestEngine<S, C, R> {
             futures_settlement_price_mode: "close".to_string(),
             futures_cost_model: FuturesTransactionCostModel::default(),
             futures_validation_config: FuturesValidationConfig::default(),
+            execution_quote_loader: None,
+            execution_quote_request_cache: BTreeSet::new(),
         }
     }
 
+    pub fn into_data(self) -> DataSet {
+        self.data
+    }
+
+    pub fn with_execution_quote_loader<F>(mut self, loader: F) -> Self
+    where
+        F: FnMut(ExecutionQuoteRequest) -> Result<Vec<IntradayExecutionQuote>, BacktestError>
+            + Send
+            + 'static,
+    {
+        self.execution_quote_loader = Some(Box::new(loader));
+        self
+    }
+
     pub fn with_dividend_reinvestment(mut self, enabled: bool) -> Self {
         self.dividend_reinvestment = enabled;
         self
     }
 
+    pub fn with_cash_dividends(mut self, enabled: bool) -> Self {
+        self.cash_dividends_enabled = enabled;
+        self
+    }
+
+    pub fn with_cash_dividend_cost_basis_adjustment(mut self, enabled: bool) -> Self {
+        self.cash_dividend_adjusts_cost_basis = enabled;
+        self
+    }
+
     pub fn with_futures_account(mut self, account: FuturesAccountState) -> Self {
         self.futures_account = Some(account);
         self
@@ -460,6 +508,154 @@ where
     C: CostModel,
     R: EquityRuleHooks,
 {
+    fn ensure_execution_quotes_for_decision(
+        &mut self,
+        execution_date: NaiveDate,
+        portfolio: &PortfolioState,
+        open_orders: &[OpenOrderView],
+        decision: &StrategyDecision,
+        start_time: Option<chrono::NaiveTime>,
+        end_time: Option<chrono::NaiveTime>,
+    ) -> Result<(), BacktestError> {
+        if self.execution_quote_loader.is_none() {
+            return Ok(());
+        }
+        if self.broker.execution_price_field() != PriceField::Last
+            && !decision_has_algo_execution(decision)
+        {
+            return Ok(());
+        }
+
+        let caller_start_time = start_time;
+        let caller_end_time = end_time;
+        let start_time = caller_start_time.or_else(|| self.broker.intraday_execution_start_time());
+        let mut symbols = execution_quote_symbols_for_decision(decision, portfolio, open_orders);
+        self.load_missing_execution_quotes(execution_date, start_time, end_time, &mut symbols)?;
+
+        if caller_start_time.is_none() && caller_end_time.is_none() {
+            for ((intent_start_time, intent_end_time), mut intent_symbols) in
+                algo_execution_quote_windows_for_decision(decision, portfolio)
+            {
+                self.load_missing_execution_quotes(
+                    execution_date,
+                    intent_start_time,
+                    intent_end_time,
+                    &mut intent_symbols,
+                )?;
+            }
+        }
+
+        Ok(())
+    }
+
+    fn load_missing_execution_quotes(
+        &mut self,
+        execution_date: NaiveDate,
+        start_time: Option<NaiveTime>,
+        end_time: Option<NaiveTime>,
+        symbols: &mut BTreeSet<String>,
+    ) -> Result<(), BacktestError> {
+        symbols.retain(|symbol| {
+            let request_key = (execution_date, symbol.clone(), start_time, end_time);
+            if self.execution_quote_request_cache.contains(&request_key) {
+                return false;
+            }
+            if start_time.is_some() && end_time.is_none() {
+                return !has_execution_quote_near_start_time(
+                    &self.data,
+                    execution_date,
+                    symbol,
+                    start_time.expect("checked start_time"),
+                );
+            }
+            !has_execution_quote_in_window(&self.data, execution_date, symbol, start_time, end_time)
+        });
+        if symbols.is_empty() {
+            return Ok(());
+        }
+
+        let requested_symbols = symbols.iter().cloned().collect::<Vec<_>>();
+        let request = ExecutionQuoteRequest {
+            date: execution_date,
+            start_time,
+            end_time,
+            symbols: std::mem::take(symbols),
+        };
+        let quotes = self
+            .execution_quote_loader
+            .as_mut()
+            .expect("checked execution quote loader")
+            .as_mut()(request)?;
+        self.data.add_execution_quotes(quotes);
+        for symbol in requested_symbols {
+            self.execution_quote_request_cache.insert((
+                execution_date,
+                symbol,
+                start_time,
+                end_time,
+            ));
+        }
+        Ok(())
+    }
+
+    fn ensure_execution_quotes_for_portfolio_times(
+        &mut self,
+        execution_date: NaiveDate,
+        portfolio: &PortfolioState,
+        quote_times: &[NaiveTime],
+    ) -> Result<(), BacktestError> {
+        if self.execution_quote_loader.is_none() || quote_times.is_empty() {
+            return Ok(());
+        }
+        let base_symbols = portfolio
+            .positions()
+            .keys()
+            .cloned()
+            .collect::<BTreeSet<_>>();
+        if base_symbols.is_empty() {
+            return Ok(());
+        }
+        for quote_time in quote_times {
+            let mut symbols = base_symbols.clone();
+            self.load_missing_execution_quotes(
+                execution_date,
+                Some(*quote_time),
+                None,
+                &mut symbols,
+            )?;
+        }
+        Ok(())
+    }
+
+    fn ensure_execution_quotes_for_symbols_at_times(
+        &mut self,
+        execution_date: NaiveDate,
+        symbols: &BTreeSet<String>,
+        quote_times: &[NaiveTime],
+    ) -> Result<(), BacktestError> {
+        if self.execution_quote_loader.is_none() || quote_times.is_empty() || symbols.is_empty() {
+            return Ok(());
+        }
+        let base_symbols = symbols
+            .iter()
+            .filter(|symbol| !symbol.trim().is_empty())
+            .cloned()
+            .collect::<BTreeSet<_>>();
+        if base_symbols.is_empty() {
+            return Ok(());
+        }
+        for quote_time in quote_times {
+            let mut symbols = base_symbols.clone();
+            self.load_missing_execution_quotes(
+                execution_date,
+                Some(*quote_time),
+                None,
+                &mut symbols,
+            )?;
+        }
+        Ok(())
+    }
+
     fn apply_strategy_directives(
         &mut self,
         execution_date: NaiveDate,
@@ -1721,6 +1917,15 @@ where
                 &mut auction_decision,
                 &mut directive_report,
             )?;
+            let pre_auction_execution_orders = self.open_order_views();
+            self.ensure_execution_quotes_for_decision(
+                execution_date,
+                &portfolio,
+                &pre_auction_execution_orders,
+                &auction_decision,
+                None,
+                None,
+            )?;
             let mut report = self.broker.execute(
                 execution_date,
                 &mut portfolio,
@@ -1779,6 +1984,39 @@ where
                 "on_day:pre",
             )?;
             let on_day_open_orders = self.open_order_views();
+            let decision_quote_times = self.strategy.decision_quote_times();
+            if !decision_quote_times.is_empty() {
+                let decision_quote_symbols =
+                    self.strategy.decision_quote_symbols(&StrategyContext {
+                        execution_date,
+                        decision_date,
+                        decision_index,
+                        data: &self.data,
+                        portfolio: &portfolio,
+                        futures_account: self.futures_account.as_ref(),
+                        open_orders: &on_day_open_orders,
+                        dynamic_universe: self.dynamic_universe.as_ref(),
+                        subscriptions: &self.subscriptions,
+                        process_events: &process_events,
+                        active_process_event: None,
+                        active_datetime: stage_datetime(
+                            execution_date,
+                            default_stage_time(ScheduleStage::OnDay),
+                        ),
+                        order_events: result.order_events.as_slice(),
+                        fills: result.fills.as_slice(),
+                    })?;
+                self.ensure_execution_quotes_for_symbols_at_times(
+                    execution_date,
+                    &decision_quote_symbols,
+                    &decision_quote_times,
+                )?;
+            }
+            self.ensure_execution_quotes_for_portfolio_times(
+                execution_date,
+                &portfolio,
+                &decision_quote_times,
+            )?;
             let mut decision = decision_slot
                 .map(|(decision_idx, decision_date)| {
                     self.strategy.on_day(&StrategyContext {
@@ -1925,6 +2163,15 @@ where
                 &mut directive_report,
             )?;
 
+            let pre_intraday_execution_orders = self.open_order_views();
+            self.ensure_execution_quotes_for_decision(
+                execution_date,
+                &portfolio,
+                &pre_intraday_execution_orders,
+                &decision,
+                None,
+                None,
+            )?;
             let mut intraday_report =
                 self.broker
                     .execute(execution_date, &mut portfolio, &self.data, &decision)?;
@@ -2082,6 +2329,15 @@ where
                         &mut tick_decision,
                         &mut directive_report,
                     )?;
+                    let pre_tick_execution_orders = self.open_order_views();
+                    self.ensure_execution_quotes_for_decision(
+                        execution_date,
+                        &portfolio,
+                        &pre_tick_execution_orders,
+                        &tick_decision,
+                        Some(tick_time),
+                        Some(tick_time),
+                    )?;
                     let mut tick_report = self.broker.execute_between(
                         execution_date,
                         &mut portfolio,
@@ -2127,7 +2383,12 @@ where
                 }
             }
 
-            portfolio.update_prices(execution_date, &self.data, PriceField::Close)?;
+            portfolio.update_prices_with_options(
+                execution_date,
+                &self.data,
+                PriceField::Close,
+                self.broker.same_day_buy_close_mark_at_fill(),
+            )?;
 
             let post_trade_open_orders = self.open_order_views();
             let visible_order_events = result
@@ -2516,13 +2777,17 @@ where
                 continue;
             }
 
-            if action.share_cash.abs() > f64::EPSILON {
+            if self.cash_dividends_enabled && action.share_cash.abs() > f64::EPSILON {
                 let cash_before = portfolio.cash();
                 let (cash_delta, quantity_after, average_cost) = {
                     let position = portfolio
                         .position_mut_if_exists(&action.symbol)
                         .expect("position exists for dividend action");
-                    let cash_delta = position.apply_cash_dividend(action.share_cash);
+                    let cash_delta = if self.cash_dividend_adjusts_cost_basis {
+                        position.apply_cash_dividend(action.share_cash)
+                    } else {
+                        position.apply_cash_dividend_preserve_cost_basis(action.share_cash)
+                    };
                     (cash_delta, position.quantity, position.average_cost)
                 };
                 if cash_delta.abs() > f64::EPSILON {
@@ -2985,24 +3250,17 @@ where
             }
 
             let quantity = position.quantity;
-            let fallback_reference_price = if position.last_price > 0.0 {
+            let settlement_price = if position.last_price.is_finite() && position.last_price > 0.0 {
                 position.last_price
-            } else {
+            } else if position.average_cost.is_finite() && position.average_cost > 0.0 {
                 position.average_cost
+            } else {
+                0.0
             };
             let effective_delisted_at = instrument
                 .delisted_at
                 .or_else(|| self.data.calendar().previous_day(date))
                 .unwrap_or(date);
-            let settlement_price = self
-                .data
-                .price_on_or_before(effective_delisted_at, &symbol, PriceField::Close)
-                .or_else(|| {
-                    self.data
-                        .price_on_or_before(date, &symbol, PriceField::Close)
-                })
-                .filter(|price| price.is_finite() && *price > 0.0)
-                .unwrap_or(fallback_reference_price);
             if !settlement_price.is_finite() || settlement_price <= 0.0 {
                 return Err(BacktestError::Execution(format!(
                     "missing delisting settlement price for {} on {}",
@@ -3072,6 +3330,175 @@ where
     }
 }
 
+fn has_execution_quote_in_window(
+    data: &DataSet,
+    date: NaiveDate,
+    symbol: &str,
+    start_time: Option<chrono::NaiveTime>,
+    end_time: Option<chrono::NaiveTime>,
+) -> bool {
+    let start_cursor = start_time.map(|time| date.and_time(time));
+    let end_cursor = end_time.map(|time| date.and_time(time));
+    if let Some(cursor) = start_cursor
+        && end_cursor.is_none()
+    {
+        return data
+            .execution_quotes_on(date, symbol)
+            .iter()
+            .any(|quote| quote.timestamp <= cursor);
+    }
+    data.execution_quotes_on(date, symbol).iter().any(|quote| {
+        !start_cursor.is_some_and(|cursor| quote.timestamp < cursor)
+            && !end_cursor.is_some_and(|cursor| quote.timestamp > cursor)
+    })
+}
+
+fn has_execution_quote_near_start_time(
+    data: &DataSet,
+    date: NaiveDate,
+    symbol: &str,
+    start_time: NaiveTime,
+) -> bool {
+    let cursor = date.and_time(start_time);
+    let Some(latest) = data
+        .execution_quotes_on(date, symbol)
+        .iter()
+        .filter(|quote| quote.timestamp <= cursor)
+        .max_by_key(|quote| quote.timestamp)
+    else {
+        return false;
+    };
+    cursor.signed_duration_since(latest.timestamp) <= Duration::seconds(90)
+}
+
+fn decision_has_algo_execution(decision: &StrategyDecision) -> bool {
+    decision.order_intents.iter().any(|intent| {
+        matches!(
+            intent,
+            OrderIntent::AlgoValue { .. }
+                | OrderIntent::AlgoPercent { .. }
+                | OrderIntent::TimedTargetValue { .. }
+                | OrderIntent::TargetPortfolioSmart {
+                    order_prices: Some(TargetPortfolioOrderPricing::AlgoOrder { .. }),
+                    ..
+                }
+        )
+    })
+}
+
+fn execution_quote_symbols_for_decision(
+    decision: &StrategyDecision,
+    portfolio: &PortfolioState,
+    open_orders: &[OpenOrderView],
+) -> BTreeSet<String> {
+    let mut symbols = BTreeSet::new();
+    symbols.extend(open_orders.iter().map(|order| order.symbol.clone()));
+    if decision.rebalance {
+        symbols.extend(portfolio.positions().keys().cloned());
+        symbols.extend(decision.target_weights.keys().cloned());
+    }
+    if !decision.exit_symbols.is_empty() {
+        symbols.extend(decision.exit_symbols.iter().cloned());
+    }
+
+    for intent in &decision.order_intents {
+        match intent {
+            OrderIntent::Shares { symbol, .. }
+            | OrderIntent::LimitShares { symbol, .. }
+            | OrderIntent::Lots { symbol, .. }
+            | OrderIntent::LimitLots { symbol, .. }
+            | OrderIntent::TargetShares { symbol, .. }
+            | OrderIntent::LimitTargetShares { symbol, .. }
+            | OrderIntent::TargetValue { symbol, .. }
+            | OrderIntent::TimedTargetValue { symbol, .. }
+            | OrderIntent::LimitTargetValue { symbol, .. }
+            | OrderIntent::Value { symbol, .. }
+            | OrderIntent::LimitValue { symbol, .. }
+            | OrderIntent::Percent { symbol, .. }
+            | OrderIntent::LimitPercent { symbol, .. }
+            | OrderIntent::TargetPercent { symbol, .. }
+            | OrderIntent::LimitTargetPercent { symbol, .. }
+            | OrderIntent::AlgoValue { symbol, .. }
+            | OrderIntent::AlgoPercent { symbol, .. }
+            | OrderIntent::CancelSymbol { symbol, .. } => {
+                symbols.insert(symbol.clone());
+            }
+            OrderIntent::TargetPortfolioSmart { target_weights, .. } => {
+                symbols.extend(portfolio.positions().keys().cloned());
+                symbols.extend(target_weights.keys().cloned());
+            }
+            OrderIntent::CancelAll { .. } => {
+                symbols.extend(open_orders.iter().map(|order| order.symbol.clone()));
+            }
+            OrderIntent::UpdateUniverse { .. }
+            | OrderIntent::Subscribe { .. }
+            | OrderIntent::Unsubscribe { .. }
+            | OrderIntent::DepositWithdraw { .. }
+            | OrderIntent::FinanceRepay { .. }
+            | OrderIntent::SetManagementFeeRate { .. }
+            | OrderIntent::CancelOrder { .. }
+            | OrderIntent::Futures { .. } => {}
+        }
+    }
+
+    symbols.retain(|symbol| !symbol.trim().is_empty());
+    symbols
+}
+
+fn algo_execution_quote_windows_for_decision(
+    decision: &StrategyDecision,
+    portfolio: &PortfolioState,
+) -> BTreeMap<(Option<NaiveTime>, Option<NaiveTime>), BTreeSet<String>> {
+    let mut groups = BTreeMap::<(Option<NaiveTime>, Option<NaiveTime>), BTreeSet<String>>::new();
+    for intent in &decision.order_intents {
+        match intent {
+            OrderIntent::AlgoValue {
+                symbol,
+                start_time,
+                end_time,
+                ..
+            }
+            | OrderIntent::AlgoPercent {
+                symbol,
+                start_time,
+                end_time,
+                ..
+            }
+            | OrderIntent::TimedTargetValue {
+                symbol,
+                start_time,
+                end_time,
+                ..
+            } => {
+                if start_time.is_some() || end_time.is_some() {
+                    groups
+                        .entry((*start_time, *end_time))
+                        .or_default()
+                        .insert(symbol.clone());
+                }
+            }
+            OrderIntent::TargetPortfolioSmart {
+                target_weights,
+                order_prices:
+                    Some(TargetPortfolioOrderPricing::AlgoOrder {
+                        start_time,
+                        end_time,
+                        ..
+                    }),
+                ..
+            } => {
+                if start_time.is_some() || end_time.is_some() {
+                    let symbols = groups.entry((*start_time, *end_time)).or_default();
+                    symbols.extend(portfolio.positions().keys().cloned());
+                    symbols.extend(target_weights.keys().cloned());
+                }
+            }
+            _ => {}
+        }
+    }
+    groups
+}
+
 fn collect_scheduled_decisions<S: Strategy>(
     strategy: &mut S,
     scheduler: &Scheduler<'_>,

crates/fidc-core/src/instrument.rs

@@ -43,7 +43,7 @@ impl Instrument {
     pub fn is_active_on(&self, date: NaiveDate) -> bool {
         self.listed_at.is_none_or(|listed_at| listed_at <= date)
             && !self.is_delisted_before(date)
-            && !self.status.eq_ignore_ascii_case("inactive")
+            && !(self.status.eq_ignore_ascii_case("inactive") && self.delisted_at.is_none())
     }
 }
 

crates/fidc-core/src/lib.rs

@@ -12,13 +12,16 @@ pub mod platform_expr_strategy;
 pub mod platform_runtime_schema;
 pub mod platform_strategy_spec;
 pub mod portfolio;
+pub mod risk_control;
 pub mod rules;
 pub mod scheduler;
 pub mod strategy;
 pub mod strategy_ai;
 pub mod universe;
 
-pub use broker::{BrokerExecutionReport, BrokerSimulator, MatchingType, SlippageModel};
+pub use broker::{
+    BrokerExecutionReport, BrokerSimulator, DynamicSlippageConfig, MatchingType, SlippageModel,
+};
 pub use calendar::TradingCalendar;
 pub use cost::{ChinaAShareCostModel, CostModel, TradingCost};
 pub use data::{
@@ -31,7 +34,7 @@ pub use data::{
 pub use engine::{
     AnalyzerMonthlyReturnRow, AnalyzerPositionRow, AnalyzerReport, AnalyzerRiskSummary,
     AnalyzerTradeRow, BacktestConfig, BacktestDayProgress, BacktestEngine, BacktestError,
-    BacktestResult, DailyEquityPoint, FuturesValidationConfig,
+    BacktestResult, DailyEquityPoint, ExecutionQuoteRequest, FuturesValidationConfig,
 };
 pub use event_bus::{BacktestProcessMod, BacktestProcessModLoader, ProcessEventBus};
 pub use events::{
@@ -48,8 +51,8 @@ pub use metrics::{BacktestMetrics, compute_backtest_metrics};
 pub use platform_expr_strategy::{
     PlatformAccountActionKind, PlatformExplicitActionStage, PlatformExplicitCancelKind,
     PlatformExplicitOrderKind, PlatformExprStrategy, PlatformExprStrategyConfig,
-    PlatformRebalanceSchedule, PlatformScheduleFrequency, PlatformTradeAction,
-    PlatformUniverseActionKind,
+    PlatformRebalanceSchedule, PlatformScheduleFrequency, PlatformSelectionQuotePlan,
+    PlatformTradeAction, PlatformUniverseActionKind,
 };
 pub use platform_runtime_schema::{
     PLATFORM_RUNTIME_SCHEMA_VERSION, PlatformRuntimeSchema, reserved_scope_names,
@@ -66,6 +69,7 @@ pub use platform_strategy_spec::{
     StrategyRuntimeSpec, platform_expr_config_from_spec, platform_expr_config_from_value,
 };
 pub use portfolio::{CashReceivable, HoldingSummary, PendingCashFlow, PortfolioState, Position};
+pub use risk_control::ChinaAShareRiskControl;
 pub use rules::{ChinaEquityRuleHooks, EquityRuleHooks, RuleCheck};
 pub use scheduler::{
     ScheduleFrequency, ScheduleRule, ScheduleStage, ScheduleTimeRule, Scheduler, default_stage_time,

crates/fidc-core/src/platform_runtime_schema.rs

@@ -223,6 +223,7 @@ const RUNTIME_HELPER_FUNCTIONS: &[&str] = &[
     "factor",
     "day_factor",
     "rolling_mean",
+    "rolling_mean_current",
     "ma",
     "sma",
     "vma",

crates/fidc-core/src/portfolio.rs

@@ -1,7 +1,7 @@
 use chrono::NaiveDate;
 use indexmap::IndexMap;
 use serde::Serialize;
-use std::collections::BTreeMap;
+use std::collections::{BTreeMap, BTreeSet};
 
 use crate::data::{DataSet, DataSetError, PriceField};
 
@@ -9,6 +9,7 @@ use crate::data::{DataSet, DataSetError, PriceField};
 pub struct PositionLot {
     pub acquired_date: NaiveDate,
     pub quantity: u32,
+    pub entry_price: f64,
     pub price: f64,
 }
 
@@ -19,6 +20,7 @@ pub struct Position {
     pub average_cost: f64,
     pub last_price: f64,
     pub realized_pnl: f64,
+    realized_entry_pnl: f64,
     pub trading_pnl: f64,
     pub position_pnl: f64,
     pub dividend_receivable: f64,
@@ -43,6 +45,7 @@ impl Position {
             average_cost: 0.0,
             last_price: 0.0,
             realized_pnl: 0.0,
+            realized_entry_pnl: 0.0,
             trading_pnl: 0.0,
             position_pnl: 0.0,
             dividend_receivable: 0.0,
@@ -65,6 +68,16 @@ impl Position {
     }
 
     pub fn buy(&mut self, date: NaiveDate, quantity: u32, price: f64) {
+        self.buy_with_mark_price(date, quantity, price, price);
+    }
+
+    pub fn buy_with_mark_price(
+        &mut self,
+        date: NaiveDate,
+        quantity: u32,
+        execution_price: f64,
+        mark_price: f64,
+    ) {
         if quantity == 0 {
             return;
         }
@@ -72,18 +85,28 @@ impl Position {
         self.lots.push(PositionLot {
             acquired_date: date,
             quantity,
-            price,
+            entry_price: execution_price,
+            price: execution_price,
         });
         self.quantity += quantity;
-        self.last_price = price;
+        self.last_price = normalized_mark_price(mark_price, execution_price);
         self.day_trade_quantity_delta += quantity as i32;
         self.day_buy_quantity += quantity;
-        self.day_buy_value += price * quantity as f64;
+        self.day_buy_value += execution_price * quantity as f64;
         self.recalculate_average_cost();
         self.refresh_day_pnl();
     }
 
     pub fn sell(&mut self, quantity: u32, price: f64) -> Result<f64, String> {
+        self.sell_with_mark_price(quantity, price, price)
+    }
+
+    pub fn sell_with_mark_price(
+        &mut self,
+        quantity: u32,
+        execution_price: f64,
+        mark_price: f64,
+    ) -> Result<f64, String> {
         if quantity > self.quantity {
             return Err(format!(
                 "sell quantity {} exceeds current quantity {} for {}",
@@ -93,6 +116,7 @@ impl Position {
 
         let mut remaining = quantity;
         let mut realized = 0.0;
+        let mut realized_entry = 0.0;
 
         while remaining > 0 {
             let Some(first_lot) = self.lots.first_mut() else {
@@ -100,7 +124,8 @@ impl Position {
             };
 
             let lot_sell = remaining.min(first_lot.quantity);
-            realized += (price - first_lot.price) * lot_sell as f64;
+            realized += (execution_price - first_lot.price) * lot_sell as f64;
+            realized_entry += (execution_price - first_lot.entry_price) * lot_sell as f64;
             first_lot.quantity -= lot_sell;
             remaining -= lot_sell;
 
@@ -110,11 +135,12 @@ impl Position {
         }
 
         self.quantity -= quantity;
-        self.last_price = price;
+        self.last_price = normalized_mark_price(mark_price, execution_price);
         self.realized_pnl += realized;
+        self.realized_entry_pnl += realized_entry;
         self.day_trade_quantity_delta -= quantity as i32;
         self.day_sell_quantity += quantity;
-        self.day_sell_value += price * quantity as f64;
+        self.day_sell_value += execution_price * quantity as f64;
         self.recalculate_average_cost();
         self.refresh_day_pnl();
         Ok(realized)
@@ -136,10 +162,21 @@ impl Position {
         (self.last_price - self.average_cost) * self.quantity as f64
     }
 
+    pub fn unrealized_entry_pnl(&self) -> f64 {
+        let Some(avg_price) = self.average_entry_price() else {
+            return 0.0;
+        };
+        (self.last_price - avg_price) * self.quantity as f64
+    }
+
     pub fn pnl(&self) -> f64 {
         self.realized_pnl + self.unrealized_pnl()
     }
 
+    pub fn entry_pnl(&self) -> f64 {
+        self.realized_entry_pnl + self.unrealized_entry_pnl()
+    }
+
     pub fn day_start_quantity(&self) -> u32 {
         self.day_start_quantity
     }
@@ -205,6 +242,22 @@ impl Position {
         }
     }
 
+    pub fn record_buy_trade_cost(&mut self, quantity: u32, value: f64) {
+        if quantity == 0 || !value.is_finite() {
+            return;
+        }
+        let cost = value.max(0.0);
+        if cost <= 0.0 {
+            return;
+        }
+        if let Some(lot) = self.lots.last_mut() {
+            lot.price += cost / quantity as f64;
+            self.recalculate_average_cost();
+        }
+        self.day_trade_cost += cost;
+        self.refresh_day_pnl();
+    }
+
     pub fn set_dividend_receivable(&mut self, value: f64) {
         self.dividend_receivable = if value.is_finite() {
             value.max(0.0)
@@ -214,13 +267,28 @@ impl Position {
     }
 
     pub fn holding_return(&self, price: f64) -> Option<f64> {
-        if self.quantity == 0 || self.average_cost <= 0.0 {
+        let Some(avg_price) = self.average_entry_price() else {
+            return None;
+        };
+        if avg_price <= 0.0 {
             None
         } else {
-            Some((price / self.average_cost) - 1.0)
+            Some((price / avg_price) - 1.0)
         }
     }
 
+    pub fn average_entry_price(&self) -> Option<f64> {
+        if self.quantity == 0 {
+            return None;
+        }
+        let total = self
+            .lots
+            .iter()
+            .map(|lot| lot.entry_price * lot.quantity as f64)
+            .sum::<f64>();
+        Some(total / self.quantity as f64)
+    }
+
     fn recalculate_average_cost(&mut self) {
         if self.quantity == 0 {
             self.average_cost = 0.0;
@@ -237,14 +305,31 @@ impl Position {
     }
 
     pub fn apply_cash_dividend(&mut self, dividend_per_share: f64) -> f64 {
+        self.apply_cash_dividend_internal(dividend_per_share, true)
+    }
+
+    pub fn apply_cash_dividend_preserve_cost_basis(&mut self, dividend_per_share: f64) -> f64 {
+        self.apply_cash_dividend_internal(dividend_per_share, false)
+    }
+
+    fn apply_cash_dividend_internal(
+        &mut self,
+        dividend_per_share: f64,
+        adjust_cost_basis: bool,
+    ) -> f64 {
         if self.quantity == 0 || !dividend_per_share.is_finite() || dividend_per_share == 0.0 {
             return 0.0;
         }
 
         for lot in &mut self.lots {
-            lot.price -= dividend_per_share;
+            lot.entry_price -= dividend_per_share;
+            if adjust_cost_basis {
+                lot.price -= dividend_per_share;
+            }
+        }
+        if adjust_cost_basis {
+            self.average_cost -= dividend_per_share;
         }
-        self.average_cost -= dividend_per_share;
         self.last_price -= dividend_per_share;
         let cash_delta = self.quantity as f64 * dividend_per_share;
         self.day_dividend_cash += cash_delta;
@@ -264,6 +349,7 @@ impl Position {
             .map(|lot| PositionLot {
                 acquired_date: lot.acquired_date,
                 quantity: round_half_up_u32(lot.quantity as f64 * ratio),
+                entry_price: lot.entry_price / ratio,
                 price: lot.price / ratio,
             })
             .collect::<Vec<_>>();
@@ -305,6 +391,14 @@ impl Position {
     }
 }
 
+fn normalized_mark_price(mark_price: f64, fallback: f64) -> f64 {
+    if mark_price.is_finite() && mark_price > 0.0 {
+        mark_price
+    } else {
+        fallback
+    }
+}
+
 #[derive(Debug, Clone)]
 pub struct PortfolioState {
     initial_cash: f64,
@@ -316,6 +410,7 @@ pub struct PortfolioState {
     positions: IndexMap<String, Position>,
     cash_receivables: Vec<CashReceivable>,
     pending_cash_flows: Vec<PendingCashFlow>,
+    day_sold_symbols: BTreeSet<String>,
 }
 
 #[derive(Debug, Clone)]
@@ -348,6 +443,7 @@ impl PortfolioState {
             positions: IndexMap::new(),
             cash_receivables: Vec::new(),
             pending_cash_flows: Vec::new(),
+            day_sold_symbols: BTreeSet::new(),
         }
     }
 
@@ -402,7 +498,18 @@ impl PortfolioState {
     }
 
     pub fn prune_flat_positions(&mut self) {
-        self.positions.retain(|_, position| !position.is_flat());
+        let mut sold_symbols = Vec::new();
+        self.positions.retain(|symbol, position| {
+            if position.is_flat() {
+                if position.sold_quantity() > 0 {
+                    sold_symbols.push(symbol.clone());
+                }
+                false
+            } else {
+                true
+            }
+        });
+        self.day_sold_symbols.extend(sold_symbols);
     }
 
     pub fn add_cash_receivable(&mut self, receivable: CashReceivable) {
@@ -538,6 +645,7 @@ impl PortfolioState {
     }
 
     pub fn begin_trading_day(&mut self) {
+        self.day_sold_symbols.clear();
         for position in self.positions.values_mut() {
             position.begin_trading_day();
         }
@@ -550,7 +658,31 @@ impl PortfolioState {
         data: &DataSet,
         field: PriceField,
     ) -> Result<(), DataSetError> {
+        self.update_prices_with_options(date, data, field, false)
+    }
+
+    pub fn update_prices_with_options(
+        &mut self,
+        date: NaiveDate,
+        data: &DataSet,
+        field: PriceField,
+        same_day_buy_close_mark_at_fill: bool,
+    ) -> Result<(), DataSetError> {
+        let day_sold_symbols = self.day_sold_symbols.clone();
         for position in self.positions.values_mut() {
+            let sold_today =
+                position.sold_quantity() > 0 || day_sold_symbols.contains(&position.symbol);
+            if same_day_buy_close_mark_at_fill
+                && field == PriceField::Close
+                && position.day_buy_quantity > 0
+                && !sold_today
+                && position.sellable_qty(date) == 0
+                && position.last_price.is_finite()
+                && position.last_price > 0.0
+            {
+                position.refresh_day_pnl();
+                continue;
+            }
             let price = data
                 .price(date, &position.symbol, field)
                 .or_else(|| data.price_on_or_before(date, &position.symbol, field))
@@ -649,33 +781,40 @@ impl PortfolioState {
         self.positions
             .values()
             .filter(|position| position.quantity > 0)
-            .map(|position| HoldingSummary {
-                date,
-                symbol: position.symbol.clone(),
-                quantity: position.quantity,
-                average_cost: position.average_cost,
-                last_price: position.last_price,
-                market_value: position.market_value(),
-                value_percent: if total_equity > 0.0 {
-                    position.market_value() / total_equity
-                } else {
-                    0.0
-                },
-                unrealized_pnl: position.unrealized_pnl(),
-                realized_pnl: position.realized_pnl,
-                pnl: position.pnl(),
-                trading_pnl: position.trading_pnl,
-                position_pnl: position.position_pnl,
-                dividend_receivable: position.dividend_receivable,
-                old_quantity: position.day_start_quantity(),
-                bought_quantity: position.bought_quantity(),
-                sold_quantity: position.sold_quantity(),
-                buy_avg_price: position.buy_avg_price(),
-                sell_avg_price: position.sell_avg_price(),
-                bought_value: position.bought_value(),
-                sold_value: position.sold_value(),
-                transaction_cost: position.transaction_cost(),
-                day_trade_quantity_delta: position.day_trade_quantity_delta(),
+            .map(|position| {
+                let market_value = position.market_value();
+                let entry_average_cost = position
+                    .average_entry_price()
+                    .filter(|value| value.is_finite() && *value > 0.0)
+                    .unwrap_or(position.average_cost);
+                HoldingSummary {
+                    date,
+                    symbol: position.symbol.clone(),
+                    quantity: position.quantity,
+                    average_cost: entry_average_cost,
+                    last_price: position.last_price,
+                    market_value,
+                    value_percent: if total_equity > 0.0 {
+                        market_value / total_equity
+                    } else {
+                        0.0
+                    },
+                    unrealized_pnl: position.unrealized_entry_pnl(),
+                    realized_pnl: position.realized_entry_pnl,
+                    pnl: position.entry_pnl(),
+                    trading_pnl: position.trading_pnl,
+                    position_pnl: position.position_pnl,
+                    dividend_receivable: position.dividend_receivable,
+                    old_quantity: position.day_start_quantity(),
+                    bought_quantity: position.bought_quantity(),
+                    sold_quantity: position.sold_quantity(),
+                    buy_avg_price: position.buy_avg_price(),
+                    sell_avg_price: position.sell_avg_price(),
+                    bought_value: position.bought_value(),
+                    sold_value: position.sold_value(),
+                    transaction_cost: position.transaction_cost(),
+                    day_trade_quantity_delta: position.day_trade_quantity_delta(),
+                }
             })
             .collect()
     }
@@ -699,12 +838,14 @@ impl PortfolioState {
         let old_quantity = old_position.quantity;
         let last_price = old_position.last_price;
         let realized_pnl = old_position.realized_pnl;
+        let realized_entry_pnl = old_position.realized_entry_pnl;
         let mut converted_lots = old_position
             .lots
             .into_iter()
             .map(|lot| PositionLot {
                 acquired_date: lot.acquired_date,
                 quantity: round_half_up_u32(lot.quantity as f64 * ratio),
+                entry_price: lot.entry_price / ratio,
                 price: lot.price / ratio,
             })
             .collect::<Vec<_>>();
@@ -734,6 +875,7 @@ impl PortfolioState {
         successor.lots.extend(converted_lots);
         successor.quantity = successor.lots.iter().map(|lot| lot.quantity).sum();
         successor.realized_pnl += realized_pnl;
+        successor.realized_entry_pnl += realized_entry_pnl;
         if converted_last_price > 0.0 {
             successor.last_price = converted_last_price;
         }
@@ -801,6 +943,60 @@ mod tests {
         );
     }
 
+    #[test]
+    fn strategy_entry_price_excludes_buy_commission_cost_basis() {
+        let date = NaiveDate::from_ymd_opt(2025, 1, 2).unwrap();
+        let mut position = Position::new("600561.SH");
+        position.buy(date, 22_200, 5.66);
+        position.record_buy_trade_cost(22_200, 100.0);
+
+        assert!(position.average_cost > 5.66);
+        assert!((position.average_entry_price().unwrap() - 5.66).abs() < 1e-12);
+        assert!((position.holding_return(6.06).unwrap() - (6.06 / 5.66 - 1.0)).abs() < 1e-12);
+    }
+
+    #[test]
+    fn holdings_summary_reports_entry_price_pnl_excluding_buy_commission() {
+        let date = NaiveDate::from_ymd_opt(2025, 1, 2).unwrap();
+        let mut portfolio = PortfolioState::new(10_000.0);
+        {
+            let position = portfolio.position_mut("600561.SH");
+            position.buy(date, 100, 10.0);
+            position.record_buy_trade_cost(100, 5.0);
+            position.last_price = 10.5;
+        }
+
+        let summary = portfolio.holdings_summary(date);
+        assert_eq!(summary.len(), 1);
+        assert!((summary[0].average_cost - 10.0).abs() < 1e-12);
+        assert!((summary[0].unrealized_pnl - 50.0).abs() < 1e-12);
+        assert!((summary[0].realized_pnl - 0.0).abs() < 1e-12);
+        assert!(
+            portfolio
+                .position("600561.SH")
+                .expect("position")
+                .average_cost
+                > summary[0].average_cost
+        );
+    }
+
+    #[test]
+    fn cash_dividend_can_preserve_avg_cost_for_aiquant_compatibility() {
+        let date = NaiveDate::from_ymd_opt(2025, 1, 2).unwrap();
+        let mut position = Position::new("603102.SH");
+        position.buy(date, 1000, 46.45);
+        position.record_buy_trade_cost(1000, 37.16);
+
+        let cost_before = position.average_cost;
+        let entry_before = position.average_entry_price().unwrap();
+        let cash = position.apply_cash_dividend_preserve_cost_basis(0.6);
+
+        assert!((cash - 600.0).abs() < 1e-12);
+        assert!((position.average_cost - cost_before).abs() < 1e-12);
+        assert!((position.average_entry_price().unwrap() - (entry_before - 0.6)).abs() < 1e-12);
+        assert!((position.last_price - 45.85).abs() < 1e-12);
+    }
+
     #[test]
     fn portfolio_tracks_dividend_receivable_and_day_pnl() {
         let prev_date = NaiveDate::from_ymd_opt(2025, 1, 2).unwrap();
@@ -890,6 +1086,7 @@ mod tests {
                         allow_sell: true,
                         is_kcb: false,
                         is_one_yuan: false,
+                        risk_level_code: None,
                     }],
                     vec![BenchmarkSnapshot {
                         date,
@@ -976,6 +1173,7 @@ mod tests {
                         allow_sell: true,
                         is_kcb: false,
                         is_one_yuan: false,
+                        risk_level_code: None,
                     }],
                     vec![BenchmarkSnapshot {
                         date,
@@ -1066,6 +1264,132 @@ mod tests {
         assert!(position.position_pnl.abs() < 1e-6);
     }
 
+    #[test]
+    fn portfolio_marks_same_day_buy_at_fill_until_next_trading_day() {
+        let buy_date = NaiveDate::from_ymd_opt(2025, 2, 10).unwrap();
+        let next_date = NaiveDate::from_ymd_opt(2025, 2, 11).unwrap();
+        let symbol = "002652.SZ";
+        let mut portfolio = PortfolioState::new(20_000.0);
+        portfolio.position_mut(symbol).buy(buy_date, 1300, 3.01);
+
+        let dataset = DataSet::from_components(
+            vec![Instrument {
+                symbol: symbol.to_string(),
+                name: "Same Day Buy Test".to_string(),
+                board: "SZ".to_string(),
+                round_lot: 100,
+                listed_at: None,
+                delisted_at: None,
+                status: "active".to_string(),
+            }],
+            vec![
+                DailyMarketSnapshot {
+                    date: buy_date,
+                    symbol: symbol.to_string(),
+                    timestamp: None,
+                    day_open: 2.99,
+                    open: 2.99,
+                    high: 3.06,
+                    low: 2.98,
+                    close: 3.06,
+                    last_price: 3.06,
+                    bid1: 3.01,
+                    ask1: 3.02,
+                    prev_close: 2.98,
+                    volume: 152_975,
+                    tick_volume: 152_975,
+                    bid1_volume: 338,
+                    ask1_volume: 2476,
+                    trading_phase: None,
+                    paused: false,
+                    upper_limit: 3.28,
+                    lower_limit: 2.68,
+                    price_tick: 0.01,
+                },
+                DailyMarketSnapshot {
+                    date: next_date,
+                    symbol: symbol.to_string(),
+                    timestamp: None,
+                    day_open: 3.03,
+                    open: 3.03,
+                    high: 3.08,
+                    low: 3.00,
+                    close: 3.07,
+                    last_price: 3.07,
+                    bid1: 3.06,
+                    ask1: 3.07,
+                    prev_close: 3.06,
+                    volume: 160_000,
+                    tick_volume: 160_000,
+                    bid1_volume: 1000,
+                    ask1_volume: 1000,
+                    trading_phase: None,
+                    paused: false,
+                    upper_limit: 3.37,
+                    lower_limit: 2.75,
+                    price_tick: 0.01,
+                },
+            ],
+            Vec::new(),
+            Vec::new(),
+            vec![
+                BenchmarkSnapshot {
+                    date: buy_date,
+                    benchmark: "000852.SH".to_string(),
+                    open: 1000.0,
+                    close: 1000.0,
+                    prev_close: 999.0,
+                    volume: 1000,
+                },
+                BenchmarkSnapshot {
+                    date: next_date,
+                    benchmark: "000852.SH".to_string(),
+                    open: 1001.0,
+                    close: 1001.0,
+                    prev_close: 1000.0,
+                    volume: 1000,
+                },
+            ],
+        )
+        .expect("dataset");
+
+        portfolio
+            .update_prices_with_options(buy_date, &dataset, PriceField::Close, true)
+            .expect("same day close");
+        let position = portfolio.position(symbol).expect("position");
+        assert!((position.last_price - 3.01).abs() < 1e-9);
+        assert!((position.market_value() - 3913.0).abs() < 1e-6);
+
+        portfolio.begin_trading_day();
+        portfolio
+            .update_prices(next_date, &dataset, PriceField::Close)
+            .expect("next day close");
+        let position = portfolio.position(symbol).expect("position");
+        assert!((position.last_price - 3.07).abs() < 1e-9);
+        assert!((position.market_value() - 3991.0).abs() < 1e-6);
+
+        let prev_date = NaiveDate::from_ymd_opt(2025, 2, 7).unwrap();
+        let mut roundtrip_portfolio = PortfolioState::new(20_000.0);
+        roundtrip_portfolio
+            .position_mut(symbol)
+            .buy(prev_date, 2000, 2.90);
+        roundtrip_portfolio.begin_trading_day();
+        roundtrip_portfolio
+            .position_mut(symbol)
+            .sell(2000, 3.01)
+            .expect("same day sell");
+        roundtrip_portfolio.prune_flat_positions();
+        roundtrip_portfolio
+            .position_mut(symbol)
+            .buy(buy_date, 1800, 3.01);
+        roundtrip_portfolio
+            .update_prices(buy_date, &dataset, PriceField::Close)
+            .expect("same day roundtrip close");
+        let position = roundtrip_portfolio.position(symbol).expect("position");
+        assert!((position.last_price - 3.06).abs() < 1e-9);
+        assert!((position.market_value() - 5508.0).abs() < 1e-6);
+    }
+
     #[test]
     fn position_tracks_day_lifecycle_fields() {
         let prev_date = NaiveDate::from_ymd_opt(2025, 1, 2).unwrap();

crates/fidc-core/src/risk_control.rs

@@ -0,0 +1,233 @@
+use chrono::NaiveDate;
+
+use crate::data::{CandidateEligibility, DailyMarketSnapshot, PriceField};
+use crate::instrument::Instrument;
+use crate::portfolio::Position;
+
+#[derive(Debug, Clone, Copy, Default)]
+pub struct ChinaAShareRiskControl;
+
+impl ChinaAShareRiskControl {
+    pub fn instrument_rejection_reason(
+        instrument: Option<&Instrument>,
+        date: NaiveDate,
+    ) -> Option<&'static str> {
+        let instrument = instrument?;
+        if instrument
+            .listed_at
+            .is_some_and(|listed_at| listed_at > date)
+        {
+            return Some("not_listed");
+        }
+        if instrument
+            .delisted_at
+            .is_some_and(|delisted_at| delisted_at <= date)
+        {
+            return Some("inactive_or_delisted");
+        }
+        let status = instrument.status.trim().to_ascii_lowercase();
+        let terminal_status = matches!(
+            status.as_str(),
+            "inactive" | "delisted" | "terminated" | "expired"
+        ) || status.contains("delist");
+        if terminal_status && instrument.delisted_at.is_none() {
+            return Some("inactive_or_delisted");
+        }
+        None
+    }
+
+    pub fn selection_rejection_reason(
+        date: NaiveDate,
+        candidate: &CandidateEligibility,
+        market: &DailyMarketSnapshot,
+        instrument: Option<&Instrument>,
+    ) -> Option<&'static str> {
+        if let Some(reason) = Self::baseline_rejection_reason(date, candidate, market, instrument) {
+            return Some(reason);
+        }
+        if !candidate.allow_buy || !candidate.allow_sell {
+            return Some("trade_disabled");
+        }
+        None
+    }
+
+    pub fn baseline_rejection_reason(
+        date: NaiveDate,
+        candidate: &CandidateEligibility,
+        market: &DailyMarketSnapshot,
+        instrument: Option<&Instrument>,
+    ) -> Option<&'static str> {
+        if let Some(reason) = Self::instrument_rejection_reason(instrument, date) {
+            return Some(reason);
+        }
+        if market.paused || candidate.is_paused {
+            return Some("paused");
+        }
+        if candidate.is_st {
+            return Some("st");
+        }
+        if candidate.is_new_listing {
+            return Some("new_listing");
+        }
+        if candidate.is_kcb {
+            return Some("kcb");
+        }
+        if candidate.is_one_yuan || market.day_open <= 1.0 {
+            return Some("one_yuan");
+        }
+        None
+    }
+
+    pub fn buy_rejection_reason(
+        date: NaiveDate,
+        candidate: &CandidateEligibility,
+        market: &DailyMarketSnapshot,
+        instrument: Option<&Instrument>,
+        check_price: f64,
+    ) -> Option<&'static str> {
+        if let Some(reason) = Self::baseline_rejection_reason(date, candidate, market, instrument) {
+            return Some(reason);
+        }
+        if !candidate.allow_buy {
+            return Some("buy_disabled");
+        }
+        if market.is_at_upper_limit_price(check_price) {
+            return Some("open at or above upper limit");
+        }
+        None
+    }
+
+    pub fn sell_rejection_reason(
+        date: NaiveDate,
+        candidate: &CandidateEligibility,
+        market: &DailyMarketSnapshot,
+        instrument: Option<&Instrument>,
+        position: Option<&Position>,
+        check_price: f64,
+    ) -> Option<&'static str> {
+        if let Some(reason) = Self::instrument_rejection_reason(instrument, date) {
+            return Some(reason);
+        }
+        if market.paused || candidate.is_paused {
+            return Some("paused");
+        }
+        // `allow_sell` is derived from the daily candidate snapshot and may
+        // reflect an open/close fallback rather than the actual execution tick.
+        // A sell order must be blocked by the execution price lower-limit check
+        // below, while suspension and delisting are handled above.
+        if market.is_at_lower_limit_price(check_price) {
+            return Some("open at or below lower limit");
+        }
+        if position.is_some_and(|position| position.sellable_qty(date) == 0) {
+            return Some("t+1 sellable quantity is zero");
+        }
+        None
+    }
+
+    pub fn buy_check_price(market: &DailyMarketSnapshot, price_field: PriceField) -> f64 {
+        market.buy_price(price_field)
+    }
+
+    pub fn sell_check_price(market: &DailyMarketSnapshot, price_field: PriceField) -> f64 {
+        match price_field {
+            PriceField::Last => market.price(PriceField::Last),
+            _ => market.sell_price(price_field),
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn d(year: i32, month: u32, day: u32) -> NaiveDate {
+        NaiveDate::from_ymd_opt(year, month, day).expect("valid date")
+    }
+
+    fn candidate(date: NaiveDate) -> CandidateEligibility {
+        CandidateEligibility {
+            date,
+            symbol: "002633.SZ".to_string(),
+            is_st: false,
+            is_new_listing: false,
+            is_paused: false,
+            allow_buy: true,
+            allow_sell: false,
+            is_kcb: false,
+            is_one_yuan: false,
+            risk_level_code: None,
+        }
+    }
+
+    fn market(date: NaiveDate, last_price: f64, lower_limit: f64) -> DailyMarketSnapshot {
+        DailyMarketSnapshot {
+            date,
+            symbol: "002633.SZ".to_string(),
+            timestamp: Some(format!("{date} 10:18:00")),
+            day_open: last_price,
+            open: last_price,
+            high: last_price,
+            low: last_price,
+            close: last_price,
+            last_price,
+            bid1: last_price,
+            ask1: last_price,
+            prev_close: 6.25,
+            volume: 1_000_000,
+            tick_volume: 10_000,
+            bid1_volume: 10_000,
+            ask1_volume: 10_000,
+            trading_phase: Some("continuous".to_string()),
+            paused: false,
+            upper_limit: 6.89,
+            lower_limit,
+            price_tick: 0.01,
+        }
+    }
+
+    fn position(prev_date: NaiveDate) -> Position {
+        let mut position = Position::new("002633.SZ");
+        position.buy(prev_date, 7_200, 8.48);
+        position
+    }
+
+    #[test]
+    fn sell_rejection_uses_execution_price_not_stale_allow_sell() {
+        let prev_date = d(2024, 4, 16);
+        let date = d(2024, 4, 17);
+        let candidate = candidate(date);
+        let market = market(date, 6.27, 5.63);
+        let position = position(prev_date);
+
+        let reason = ChinaAShareRiskControl::sell_rejection_reason(
+            date,
+            &candidate,
+            &market,
+            None,
+            Some(&position),
+            6.27,
+        );
+
+        assert_eq!(reason, None);
+    }
+
+    #[test]
+    fn sell_rejection_blocks_execution_price_at_lower_limit() {
+        let prev_date = d(2024, 4, 16);
+        let date = d(2024, 4, 17);
+        let candidate = candidate(date);
+        let market = market(date, 5.63, 5.63);
+        let position = position(prev_date);
+
+        let reason = ChinaAShareRiskControl::sell_rejection_reason(
+            date,
+            &candidate,
+            &market,
+            None,
+            Some(&position),
+            5.63,
+        );
+
+        assert_eq!(reason, Some("open at or below lower limit"));
+    }
+}

crates/fidc-core/src/rules.rs

@@ -2,6 +2,7 @@ use chrono::NaiveDate;
 
 use crate::data::{CandidateEligibility, DailyMarketSnapshot, PriceField};
 use crate::portfolio::Position;
+use crate::risk_control::ChinaAShareRiskControl;
 
 #[derive(Debug, Clone)]
 pub struct RuleCheck {
@@ -47,20 +48,6 @@ pub trait EquityRuleHooks {
 #[derive(Debug, Clone, Default)]
 pub struct ChinaEquityRuleHooks;
 
-impl ChinaEquityRuleHooks {
-    fn at_upper_limit(snapshot: &DailyMarketSnapshot, price_field: PriceField) -> bool {
-        snapshot.is_at_upper_limit_price(snapshot.buy_price(price_field))
-    }
-
-    fn at_lower_limit(snapshot: &DailyMarketSnapshot, price_field: PriceField) -> bool {
-        let check_price = match price_field {
-            PriceField::Last => snapshot.price(PriceField::Last),
-            _ => snapshot.sell_price(price_field),
-        };
-        snapshot.is_at_lower_limit_price(check_price)
-    }
-}
-
 impl EquityRuleHooks for ChinaEquityRuleHooks {
     fn can_buy(
         &self,
@@ -69,14 +56,14 @@ impl EquityRuleHooks for ChinaEquityRuleHooks {
         candidate: &CandidateEligibility,
         price_field: PriceField,
     ) -> RuleCheck {
-        if snapshot.paused || candidate.is_paused {
-            return RuleCheck::reject("paused");
-        }
-        if !candidate.allow_buy {
-            return RuleCheck::reject("buy disabled by eligibility flags");
-        }
-        if Self::at_upper_limit(snapshot, price_field) {
-            return RuleCheck::reject("open at or above upper limit");
+        if let Some(reason) = ChinaAShareRiskControl::buy_rejection_reason(
+            _execution_date,
+            candidate,
+            snapshot,
+            None,
+            ChinaAShareRiskControl::buy_check_price(snapshot, price_field),
+        ) {
+            return RuleCheck::reject(reason);
         }
 
         RuleCheck::allow()
@@ -90,17 +77,15 @@ impl EquityRuleHooks for ChinaEquityRuleHooks {
         position: &Position,
         price_field: PriceField,
     ) -> RuleCheck {
-        if snapshot.paused || candidate.is_paused {
-            return RuleCheck::reject("paused");
-        }
-        if !candidate.allow_sell {
-            return RuleCheck::reject("sell disabled by eligibility flags");
-        }
-        if Self::at_lower_limit(snapshot, price_field) {
-            return RuleCheck::reject("open at or below lower limit");
-        }
-        if position.sellable_qty(execution_date) == 0 {
-            return RuleCheck::reject("t+1 sellable quantity is zero");
+        if let Some(reason) = ChinaAShareRiskControl::sell_rejection_reason(
+            execution_date,
+            candidate,
+            snapshot,
+            None,
+            Some(position),
+            ChinaAShareRiskControl::sell_check_price(snapshot, price_field),
+        ) {
+            return RuleCheck::reject(reason);
         }
 
         RuleCheck::allow()

crates/fidc-core/src/strategy.rs

@@ -17,6 +17,7 @@ use crate::events::{FillEvent, OrderEvent, OrderSide, OrderStatus, ProcessEvent}
 use crate::futures::{FuturesAccountState, FuturesOrderIntent};
 use crate::instrument::Instrument;
 use crate::portfolio::PortfolioState;
+use crate::risk_control::ChinaAShareRiskControl;
 use crate::scheduler::ScheduleRule;
 use crate::universe::{DynamicMarketCapBandSelector, SelectionContext, UniverseSelector};
 
@@ -39,6 +40,15 @@ pub trait Strategy {
     fn schedule_rules(&self) -> Vec<ScheduleRule> {
         Vec::new()
     }
+    fn decision_quote_times(&self) -> Vec<NaiveTime> {
+        Vec::new()
+    }
+    fn decision_quote_symbols(
+        &mut self,
+        _ctx: &StrategyContext<'_>,
+    ) -> Result<BTreeSet<String>, BacktestError> {
+        Ok(BTreeSet::new())
+    }
     fn on_scheduled(
         &mut self,
         _ctx: &StrategyContext<'_>,
@@ -979,6 +989,14 @@ pub enum OrderIntent {
         target_value: f64,
         reason: String,
     },
+    TimedTargetValue {
+        symbol: String,
+        target_value: f64,
+        style: AlgoOrderStyle,
+        start_time: Option<NaiveTime>,
+        end_time: Option<NaiveTime>,
+        reason: String,
+    },
     LimitTargetValue {
         symbol: String,
         target_value: f64,
@@ -1090,6 +1108,9 @@ pub struct CnSmallCapRotationConfig {
     pub base_index_level: f64,
     pub base_cap_floor: f64,
     pub cap_span: f64,
+    pub padding_ratio: f64,
+    pub min_padding: f64,
+    pub max_padding: f64,
     pub short_ma_days: usize,
     pub long_ma_days: usize,
     pub stock_short_ma_days: usize,
@@ -1101,7 +1122,7 @@ pub struct CnSmallCapRotationConfig {
     pub take_profit_pct: f64,
     pub signal_symbol: Option<String>,
     pub skip_months: Vec<u32>,
-    pub skip_month_day_ranges: Vec<(u32, u32, u32)>,
+    pub skip_month_day_ranges: Vec<(Option<u32>, u32, u32, u32)>,
 }
 
 impl CnSmallCapRotationConfig {
@@ -1114,6 +1135,9 @@ impl CnSmallCapRotationConfig {
             base_index_level: 2000.0,
             base_cap_floor: 7.0,
             cap_span: 10.0,
+            padding_ratio: 0.5,
+            min_padding: 8.0,
+            max_padding: 20.0,
             short_ma_days: 3,
             long_ma_days: 5,
             stock_short_ma_days: 3,
@@ -1138,6 +1162,9 @@ impl CnSmallCapRotationConfig {
             base_index_level: 2000.0,
             base_cap_floor: 7.0,
             cap_span: 10.0,
+            padding_ratio: 0.5,
+            min_padding: 8.0,
+            max_padding: 20.0,
             short_ma_days: 5,
             long_ma_days: 10,
             stock_short_ma_days: 5,
@@ -1150,23 +1177,29 @@ impl CnSmallCapRotationConfig {
             signal_symbol: Some("000852.SH".to_string()),
             skip_months: vec![],
             skip_month_day_ranges: vec![
-                (1, 15, 30),
-                (4, 15, 29),
-                (8, 15, 31),
-                (10, 20, 30),
-                (12, 20, 30),
+                (None, 1, 15, 30),
+                (None, 4, 15, 29),
+                (None, 8, 15, 31),
+                (None, 10, 20, 30),
+                (None, 12, 20, 30),
             ],
         }
     }
 
     fn in_skip_window(&self, date: NaiveDate) -> bool {
+        let year = date.year() as u32;
         let month = date.month();
         let day = date.day();
         self.skip_months.contains(&month)
             || self
                 .skip_month_day_ranges
                 .iter()
-                .any(|(m, start_day, end_day)| month == *m && day >= *start_day && day <= *end_day)
+                .any(|(window_year, m, start_day, end_day)| {
+                    window_year.map(|value| value == year).unwrap_or(true)
+                        && month == *m
+                        && day >= *start_day
+                        && day <= *end_day
+                })
     }
 }
 
@@ -1185,6 +1218,9 @@ impl CnSmallCapRotationStrategy {
                 config.cap_span,
                 config.xs,
                 config.stocknum,
+                config.padding_ratio,
+                config.min_padding,
+                config.max_padding,
             ),
             config,
             last_gross_exposure: None,
@@ -1508,17 +1544,22 @@ pub struct OmniMicroCapConfig {
     pub base_index_level: f64,
     pub base_cap_floor: f64,
     pub cap_span: f64,
+    pub padding_ratio: f64,
+    pub min_padding: f64,
+    pub max_padding: f64,
     pub benchmark_signal_symbol: String,
     pub benchmark_short_ma_days: usize,
     pub benchmark_long_ma_days: usize,
     pub stock_short_ma_days: usize,
     pub stock_mid_ma_days: usize,
     pub stock_long_ma_days: usize,
+    pub stock_volume_short_ma_days: usize,
+    pub stock_volume_long_ma_days: usize,
     pub rsi_rate: f64,
     pub trade_rate: f64,
     pub stop_loss_ratio: f64,
     pub take_profit_ratio: f64,
-    pub skip_month_day_ranges: Vec<(u32, u32, u32)>,
+    pub skip_month_day_ranges: Vec<(Option<u32>, u32, u32, u32)>,
 }
 
 impl OmniMicroCapConfig {
@@ -1531,12 +1572,17 @@ impl OmniMicroCapConfig {
             base_index_level: 2000.0,
             base_cap_floor: 7.0,
             cap_span: 10.0,
+            padding_ratio: 0.5,
+            min_padding: 8.0,
+            max_padding: 20.0,
             benchmark_signal_symbol: "000001.SH".to_string(),
             benchmark_short_ma_days: 5,
             benchmark_long_ma_days: 10,
             stock_short_ma_days: 5,
             stock_mid_ma_days: 10,
             stock_long_ma_days: 20,
+            stock_volume_short_ma_days: 5,
+            stock_volume_long_ma_days: 60,
             rsi_rate: 1.0001,
             trade_rate: 0.5,
             stop_loss_ratio: 0.93,
@@ -1552,16 +1598,21 @@ impl OmniMicroCapConfig {
             strategy_name: "aiquant-v1.0.4".to_string(),
             refresh_rate: 120,
             stocknum: 5,
-            xs: 3.0 / 500.0,
+            xs: 4.0 / 500.0,
             base_index_level: 2000.0,
             base_cap_floor: 7.0,
-            cap_span: 25.0,
+            cap_span: 10.0,
+            padding_ratio: 1.2,
+            min_padding: 29.5,
+            max_padding: 50.0,
             benchmark_signal_symbol: "000852.SH".to_string(),
             benchmark_short_ma_days: 5,
             benchmark_long_ma_days: 20,
             stock_short_ma_days: 5,
             stock_mid_ma_days: 10,
             stock_long_ma_days: 30,
+            stock_volume_short_ma_days: 5,
+            stock_volume_long_ma_days: 60,
             rsi_rate: 1.0001,
             trade_rate: 0.5,
             stop_loss_ratio: 0.92,
@@ -1571,11 +1622,17 @@ impl OmniMicroCapConfig {
     }
 
     fn in_skip_window(&self, date: NaiveDate) -> bool {
+        let year = date.year() as u32;
         let month = date.month();
         let day = date.day();
         self.skip_month_day_ranges
             .iter()
-            .any(|(m, start_day, end_day)| month == *m && day >= *start_day && day <= *end_day)
+            .any(|(window_year, m, start_day, end_day)| {
+                window_year.map(|value| value == year).unwrap_or(true)
+                    && month == *m
+                    && day >= *start_day
+                    && day <= *end_day
+            })
     }
 }
 
@@ -1747,11 +1804,23 @@ impl OmniMicroCapStrategy {
         if !sizing_price.is_finite() || sizing_price <= 0.0 {
             return 0;
         }
-        let snapshot_requested_qty = self.round_lot_quantity(
+        let mut snapshot_requested_qty = self.round_lot_quantity(
             ((projected.cash().min(order_value)) / sizing_price).floor() as u32,
             minimum_order_quantity,
             order_step_size,
         );
+        while snapshot_requested_qty > 0 {
+            let gross_amount = sizing_price * snapshot_requested_qty as f64;
+            let cash_out = gross_amount + self.buy_commission(gross_amount);
+            if cash_out <= order_value + 1e-6 && cash_out <= projected.cash() + 1e-6 {
+                break;
+            }
+            snapshot_requested_qty = self.decrement_order_quantity(
+                snapshot_requested_qty,
+                minimum_order_quantity,
+                order_step_size,
+            );
+        }
         let projected_execution_price = self.projected_execution_price(market, OrderSide::Buy);
         let projected_fill = self.projected_select_execution_fill(
             ctx,
@@ -1763,14 +1832,15 @@ impl OmniMicroCapStrategy {
             minimum_order_quantity,
             order_step_size,
             false,
-            Some(projected.cash()),
-            Some(order_value + 400.0),
+            Some(projected.cash().min(order_value)),
+            Some(order_value),
             execution_state,
         );
         let mut quantity = snapshot_requested_qty;
         while quantity > 0 {
             let gross_amount = projected_execution_price * quantity as f64;
-            if gross_amount <= order_value + 400.0 && gross_amount <= projected.cash() + 1e-6 {
+            let cash_out = gross_amount + self.buy_commission(gross_amount);
+            if cash_out <= order_value + 1e-6 && cash_out <= projected.cash() + 1e-6 {
                 break;
             }
             quantity =
@@ -1785,7 +1855,8 @@ impl OmniMicroCapStrategy {
             .unwrap_or(projected_execution_price);
         while quantity > 0 {
             let gross_amount = execution_price * quantity as f64;
-            if gross_amount <= projected.cash() + 1e-6 {
+            let cash_out = gross_amount + self.buy_commission(gross_amount);
+            if cash_out <= order_value + 1e-6 && cash_out <= projected.cash() + 1e-6 {
                 break;
             }
             quantity =
@@ -1801,7 +1872,7 @@ impl OmniMicroCapStrategy {
         };
         let gross_amount = fill.price * fill.quantity as f64;
         let cash_out = gross_amount + self.buy_commission(gross_amount);
-        if gross_amount > projected.cash() + 1e-6 {
+        if cash_out > projected.cash() + 1e-6 || cash_out > order_value + 1e-6 {
             return 0;
         }
         projected.apply_cash_delta(-cash_out);
@@ -2120,7 +2191,8 @@ impl OmniMicroCapStrategy {
         &self,
         ctx: &StrategyContext<'_>,
         date: NaiveDate,
-    ) -> Result<(f64, f64, f64, f64), BacktestError> {
+    ) -> Result<(f64, f64, f64, f64, f64), BacktestError> {
+        // 当前交易日的指数价格（用于MA计算和仓位控制）
         let current_level = ctx
             .data
             .market_decision_close(date, &self.config.benchmark_signal_symbol)
@@ -2129,6 +2201,16 @@ impl OmniMicroCapStrategy {
                 symbol: self.config.benchmark_signal_symbol.clone(),
                 field: "decision_close",
             })?;
+
+        // 前一交易日的指数价格（用于市值区间计算，模拟实盘场景）
+        let prev_level = if let Some(prev_date) = ctx.data.previous_trading_date(date, 1) {
+            ctx.data
+                .market_decision_close(prev_date, &self.config.benchmark_signal_symbol)
+                .unwrap_or(current_level)
+        } else {
+            current_level
+        };
+
         let ma_short = ctx
             .data
             .market_decision_close_moving_average(
@@ -2160,14 +2242,25 @@ impl OmniMicroCapStrategy {
         } else {
             1.0
         };
-        Ok((current_level, ma_short, ma_long, trading_ratio))
+        Ok((current_level, prev_level, ma_short, ma_long, trading_ratio))
     }
 
     fn market_cap_band(&self, index_level: f64) -> (f64, f64) {
         let y = (index_level - self.config.base_index_level) * self.config.xs
             + self.config.base_cap_floor;
         let start = y.round();
-        (start, start + self.config.cap_span)
+        let end = start + self.config.cap_span;
+
+        // Apply padding to expand the range
+        let span = end - start;
+        let padding = (span * self.config.padding_ratio)
+            .max(self.config.min_padding)
+            .min(self.config.max_padding);
+
+        let lower_bound = (start - padding).max(0.0);
+        let upper_bound = end + padding;
+
+        (lower_bound, upper_bound)
     }
 
     fn stock_passes_ma_filter(
@@ -2198,41 +2291,33 @@ impl OmniMicroCapStrategy {
             return false;
         };
 
-        // MA filter: ma_short > ma_mid * rsi_rate && ma_mid * rsi_rate > ma_long
-        let ma_pass = ma_short > ma_mid * self.config.rsi_rate && ma_mid * self.config.rsi_rate > ma_long;
-        
-        // Debug logging for first few stocks
-        static DEBUG_COUNT: std::sync::atomic::AtomicUsize = std::sync::atomic::AtomicUsize::new(0);
-        let count = DEBUG_COUNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
-        if count < 10 {
-            eprintln!("[DEBUG MA] {} date={} ma5={:.4} ma10={:.4} ma30={:.4} rsi_rate={:.6} pass={} (ma5 > ma10*rsi={:.4}? {} && ma10*rsi > ma30={:.4}? {})",
-                symbol, date, ma_short, ma_mid, ma_long, self.config.rsi_rate, ma_pass,
-                ma_mid * self.config.rsi_rate, ma_short > ma_mid * self.config.rsi_rate,
-                ma_long, ma_mid * self.config.rsi_rate > ma_long);
-        }
-        
+        let ma_pass =
+            ma_short > ma_mid * self.config.rsi_rate && ma_mid * self.config.rsi_rate > ma_long;
+
         if !ma_pass {
             return false;
         }
 
-        // Volume filter: V5 < V60 (applied for omni_microcap strategies)
-        if self.config.strategy_name.contains("aiquant") || self.config.strategy_name.contains("AiQuant") || self.config.strategy_name.contains("omni") {
+        if self.config.strategy_name.contains("aiquant")
+            || self.config.strategy_name.contains("AiQuant")
+            || self.config.strategy_name.contains("omni")
+        {
             let Some(volume_ma5) = ctx.data.market_decision_volume_moving_average(
                 date,
                 symbol,
-                5,
+                self.config.stock_volume_short_ma_days,
             ) else {
                 return false;
             };
-            let Some(volume_ma60) = ctx.data.market_decision_volume_moving_average(
+            let Some(volume_ma_long) = ctx.data.market_decision_volume_moving_average(
                 date,
                 symbol,
-                60,
+                self.config.stock_volume_long_ma_days,
             ) else {
                 return false;
             };
-            
-            if volume_ma5 >= volume_ma60 {
+
+            if volume_ma5 >= volume_ma_long {
                 return false;
             }
         }
@@ -2240,18 +2325,6 @@ impl OmniMicroCapStrategy {
         true
     }
 
-    fn special_name(&self, ctx: &StrategyContext<'_>, symbol: &str) -> bool {
-        let instrument_name = ctx
-            .data
-            .instruments()
-            .get(symbol)
-            .map(|instrument| instrument.name.as_str())
-            .unwrap_or("");
-        instrument_name.contains("ST")
-            || instrument_name.contains('*')
-            || instrument_name.contains('退')
-    }
-
     fn can_sell_position(&self, ctx: &StrategyContext<'_>, date: NaiveDate, symbol: &str) -> bool {
         let Some(position) = ctx.portfolio.position(symbol) else {
             return false;
@@ -2265,11 +2338,15 @@ impl OmniMicroCapStrategy {
         let Ok(candidate) = ctx.data.require_candidate(date, symbol) else {
             return false;
         };
-        let lower_limit_check_price = market.price(PriceField::Last);
-        !(market.paused
-            || candidate.is_paused
-            || !candidate.allow_sell
-            || market.is_at_lower_limit_price(lower_limit_check_price))
+        ChinaAShareRiskControl::sell_rejection_reason(
+            date,
+            candidate,
+            market,
+            ctx.data.instrument(symbol),
+            Some(position),
+            ChinaAShareRiskControl::sell_check_price(market, PriceField::Last),
+        )
+        .is_none()
     }
 
     fn buy_rejection_reason(
@@ -2281,30 +2358,14 @@ impl OmniMicroCapStrategy {
         let market = ctx.data.require_market(date, symbol)?;
         let candidate = ctx.data.require_candidate(date, symbol)?;
 
-        if market.paused || candidate.is_paused {
-            return Ok(Some("paused".to_string()));
-        }
-        if candidate.is_st || self.special_name(ctx, symbol) {
-            return Ok(Some("st_or_special_name".to_string()));
-        }
-        if candidate.is_kcb {
-            return Ok(Some("kcb".to_string()));
-        }
-        if !candidate.allow_buy {
-            return Ok(Some("buy_disabled".to_string()));
-        }
-        if market.is_at_upper_limit_price(market.day_open)
-            || market.is_at_upper_limit_price(market.buy_price(PriceField::Last))
-        {
-            return Ok(Some("upper_limit".to_string()));
-        }
-        if market.is_at_lower_limit_price(market.day_open)
-            || market.is_at_lower_limit_price(market.sell_price(PriceField::Last))
-        {
-            return Ok(Some("lower_limit".to_string()));
-        }
-        if market.day_open <= 1.0 {
-            return Ok(Some("one_yuan".to_string()));
+        if let Some(reason) = ChinaAShareRiskControl::buy_rejection_reason(
+            date,
+            candidate,
+            market,
+            ctx.data.instrument(symbol),
+            ChinaAShareRiskControl::buy_check_price(market, PriceField::Last),
+        ) {
+            return Ok(Some(reason.to_string()));
         }
         if !self.truth_selection_contains(date, symbol)
             && !self.stock_passes_ma_filter(ctx, date, symbol)
@@ -2449,18 +2510,6 @@ fn omni_truth_stock_list_candidates() -> Vec<PathBuf> {
             }
         }
     }
-
-    let suffix = PathBuf::from("data/demo/engine_truth_stock_list.csv");
-    let manifest_root = Path::new(env!("CARGO_MANIFEST_DIR"));
-    push_unique_truth_path(
-        &mut candidates,
-        manifest_root.join("../../../").join(&suffix),
-    );
-    if let Ok(current_dir) = env::current_dir() {
-        for ancestor in current_dir.ancestors() {
-            push_unique_truth_path(&mut candidates, ancestor.join(&suffix));
-        }
-    }
     candidates
 }
 
@@ -2608,25 +2657,27 @@ impl Strategy for OmniMicroCapStrategy {
             });
         }
 
-        let (index_level, ma_short, ma_long, trading_ratio) = match self.trading_ratio(ctx, date) {
-            Ok(value) => value,
-            Err(BacktestError::Execution(message))
-                if message.contains("insufficient benchmark") =>
-            {
-                return Ok(StrategyDecision {
-                    rebalance: false,
-                    target_weights: BTreeMap::new(),
-                    exit_symbols: BTreeSet::new(),
-                    order_intents: Vec::new(),
-                    notes: vec![format!("warmup: {}", message)],
-                    diagnostics: vec![
-                        "insufficient history; skip trading on warmup dates".to_string(),
-                    ],
-                });
-            }
-            Err(err) => return Err(err),
-        };
-        let (band_low, band_high) = self.market_cap_band(index_level);
+        let (index_level, prev_index_level, ma_short, ma_long, trading_ratio) =
+            match self.trading_ratio(ctx, date) {
+                Ok(value) => value,
+                Err(BacktestError::Execution(message))
+                    if message.contains("insufficient benchmark") =>
+                {
+                    return Ok(StrategyDecision {
+                        rebalance: false,
+                        target_weights: BTreeMap::new(),
+                        exit_symbols: BTreeSet::new(),
+                        order_intents: Vec::new(),
+                        notes: vec![format!("warmup: {}", message)],
+                        diagnostics: vec![
+                            "insufficient history; skip trading on warmup dates".to_string(),
+                        ],
+                    });
+                }
+                Err(err) => return Err(err),
+            };
+        // 使用前一交易日的指数价格计算市值区间（模拟实盘场景）
+        let (band_low, band_high) = self.market_cap_band(prev_index_level);
         let (stock_list, selection_notes) = self.select_symbols(ctx, date, band_low, band_high)?;
         let periodic_rebalance = ctx.decision_index % self.config.refresh_rate == 0;
         let mut projected = ctx.portfolio.clone();
@@ -2648,10 +2699,10 @@ impl Strategy for OmniMicroCapStrategy {
             let stop_hit = current_price
                 <= position.average_cost * self.config.stop_loss_ratio
                     + self.stop_loss_tolerance(market);
-            let profit_hit = !market.is_at_upper_limit_price(current_price)
-                && current_price / position.average_cost > self.config.take_profit_ratio;
+            let profit_hit = current_price / position.average_cost > self.config.take_profit_ratio;
             let can_sell = self.can_sell_position(ctx, date, &position.symbol);
-            if stop_hit || profit_hit {
+            let at_upper_limit = market.is_at_upper_limit_price(current_price);
+            if stop_hit || (profit_hit && !at_upper_limit) {
                 let sell_reason = if stop_hit {
                     "stop_loss_exit"
                 } else {

crates/fidc-core/src/strategy_ai.rs

@@ -277,7 +277,7 @@ pub fn built_in_strategy_manual() -> StrategyAiManual {
                     ManualField { name: "latest_symbol_open_order_status/latest_symbol_open_order_unfilled_qty".to_string(), field_type: "string/int".to_string(), detail: "当前证券最近一笔挂单的状态和未成交数量。".to_string() },
                     ManualField { name: "in_dynamic_universe/is_subscribed".to_string(), field_type: "bool".to_string(), detail: "当前证券是否在动态 universe 内，以及是否仍在订阅集合中。".to_string() },
                     ManualField { name: "stock_ma5/stock_ma10/stock_ma20/stock_ma30".to_string(), field_type: "float".to_string(), detail: "个股价格均线内建别名，按当前交易日前 N 个已完成交易日的收盘价计算；历史窗口不足时为 NaN，比较条件会自然不通过；15 日、45 日等任意窗口请改用 sma(\"close\", n)。".to_string() },
-                    ManualField { name: "stock_volume_ma5/stock_volume_ma10/stock_volume_ma20/stock_volume_ma60".to_string(), field_type: "float".to_string(), detail: "个股成交量均线内建别名，按当前交易日前 N 个已完成交易日的成交量计算，不包含回测当天未来成交量；历史窗口不足时为 NaN，比较条件会自然不通过；任意窗口请改用 rolling_mean(\"volume\", n)。".to_string() },
+                    ManualField { name: "stock_volume_ma5/stock_volume_ma10/stock_volume_ma20/stock_volume_ma60/stock_volume_ma100".to_string(), field_type: "float".to_string(), detail: "个股成交量均线内建别名，按当前交易日前 N 个已完成交易日的成交量计算，不包含回测当天未来成交量；历史窗口不足时为 NaN，比较条件会自然不通过；任意窗口请改用 rolling_mean(\"volume\", n)。".to_string() },
                     ManualField { name: "factors[\"field\"] / factor(\"field\")".to_string(), field_type: "float/string".to_string(), detail: "当前证券当日可用因子。默认可用字段以手册的“可用指标、参数和字段”清单为准；自定义因子需要预先写入策略数据或 extra_factors。数值字段返回数字，字符串字段返回字符串。".to_string() },
                     ManualField { name: "listed_days".to_string(), field_type: "int".to_string(), detail: "上市天数。".to_string() },
                 ],
@@ -546,8 +546,8 @@ pub fn build_optimization_prompt(
     prompt.push_str("你是 OmniQuant 平台策略脚本优化器。必须输出完整、可运行的平台策略脚本，不要输出解释文本。\n");
     prompt.push_str("输出格式硬约束：回复第一行必须是 strategy(\"...\")、let、fn、const 或 //；回复中不得包含 Markdown、解释、思考过程、手册复述、JSON 包装或自然语言总结。\n");
     prompt.push_str("长度硬约束：策略代码目标 80 行以内，只保留必要 let/fn/strategy 块；不要复制下面的手册片段、历史策略全文或字段清单。\n");
-    prompt.push_str("只修改与优化目标相关的少量参数或过滤条件，保留原策略的市场、基准、信号指数和核心风控；不要引入手册未列出的字段或外部平台 API 名称。\n");
-    prompt.push_str("优化可以调整调仓周期、持仓数、市值带、filter.stock_expr、ordering.rank_expr、allocation.buy_scale、止盈止损；如上一轮无交易或质量分过低，必须先放宽过滤条件并优先使用已入库指标因子、rolling_mean/ma/vma/rolling_stddev/pct_change 等支持函数。\n");
+    prompt.push_str("优化不限制在原策略已有参数或少量扰动。只要 OmniQuant/FIDC 已支持，可以自由增加、修改、删除策略代码、参数、候选池、过滤函数、排序、仓位、止盈止损、调仓周期、指标因子和辅助函数；不得引入手册未列出的字段或外部平台 API 名称。\n");
+    prompt.push_str("可以使用所有已入库日频字段、指标因子和表达式函数，例如 rolling_mean/ma/vma/rolling_sum/rolling_stddev/pct_change/factor/factor_value/factors；如上一轮无交易或质量分过低，必须先扩大候选覆盖并修正不可交易过滤，再优化收益。\n");
     prompt.push_str("优化目标：\n");
     prompt.push_str(&format!("- {}\n\n", request.objective));
     prompt.push_str("当前策略代码如下，仅作为输入参考；回复时不要包含 Markdown 代码围栏：\n");

crates/fidc-core/src/universe.rs

@@ -78,6 +78,9 @@ pub struct DynamicMarketCapBandSelector {
     pub cap_span: f64,
     pub xs: f64,
     pub top_n: usize,
+    pub padding_ratio: f64,
+    pub min_padding: f64,
+    pub max_padding: f64,
 }
 
 impl DynamicMarketCapBandSelector {
@@ -87,6 +90,9 @@ impl DynamicMarketCapBandSelector {
         cap_span: f64,
         xs: f64,
         top_n: usize,
+        padding_ratio: f64,
+        min_padding: f64,
+        max_padding: f64,
     ) -> Self {
         Self {
             base_index_level,
@@ -94,11 +100,14 @@ impl DynamicMarketCapBandSelector {
             cap_span,
             xs,
             top_n,
+            padding_ratio,
+            min_padding,
+            max_padding,
         }
     }
 
     pub fn demo(top_n: usize) -> Self {
-        Self::new(2000.0, 7.0, 10.0, 4.0 / 500.0, top_n)
+        Self::new(2000.0, 7.0, 10.0, 4.0 / 500.0, top_n, 0.5, 8.0, 20.0)
     }
 
     pub fn regime(&self, benchmark_level: f64) -> BandRegime {
@@ -114,7 +123,18 @@ impl DynamicMarketCapBandSelector {
     pub fn band_for_level(&self, benchmark_level: f64) -> (f64, f64) {
         let start = ((benchmark_level - self.base_index_level) * self.xs) + self.base_cap_floor;
         let low = start.round();
-        (low, low + self.cap_span)
+        let high = low + self.cap_span;
+
+        // Apply padding to expand the range
+        let span = high - low;
+        let padding = (span * self.padding_ratio)
+            .max(self.min_padding)
+            .min(self.max_padding);
+
+        let lower_bound = (low - padding).max(0.0);
+        let upper_bound = high + padding;
+
+        (lower_bound, upper_bound)
     }
 }
 

crates/fidc-core/tests/core_rules.rs

@@ -23,6 +23,7 @@ fn candidate() -> CandidateEligibility {
         allow_sell: true,
         is_kcb: false,
         is_one_yuan: false,
+        risk_level_code: None,
     }
 }
 
@@ -61,7 +62,7 @@ fn china_cost_model_applies_minimum_commission_and_stamp_tax() {
     assert_eq!(buy.stamp_tax, 0.0);
 
     let sell = model.calculate(d(2023, 8, 25), OrderSide::Sell, 100_000.0);
-    assert!((sell.commission - 30.0).abs() < 1e-9);
+    assert!((sell.commission - 80.0).abs() < 1e-9);
     assert!((sell.stamp_tax - 100.0).abs() < 1e-9);
 }
 
@@ -112,7 +113,7 @@ fn china_cost_model_tracks_minimum_commission_per_order_id() {
 
     assert!((first.commission - 5.0).abs() < 1e-9);
     assert!(second.commission.abs() < 1e-9);
-    assert!((third.commission - 1.6).abs() < 1e-9);
+    assert!((third.commission - 12.6).abs() < 1e-9);
     assert!((another_order.commission - 5.0).abs() < 1e-9);
 }
 
@@ -175,7 +176,7 @@ fn china_rule_hooks_block_buy_at_limit_up_and_sell_at_limit_down() {
 }
 
 #[test]
-fn china_rule_hooks_use_tick_size_tolerance_for_price_limits() {
+fn china_rule_hooks_use_strict_price_limits() {
     let hooks = ChinaEquityRuleHooks;
     let candidate = candidate();
 
@@ -184,6 +185,13 @@ fn china_rule_hooks_use_tick_size_tolerance_for_price_limits() {
         ..snapshot(10.9995, 11.0, 9.0)
     };
     let buy_check = hooks.can_buy(d(2024, 1, 3), &near_upper, &candidate, PriceField::Open);
+    assert!(buy_check.allowed);
+
+    let exact_upper = DailyMarketSnapshot {
+        price_tick: 0.001,
+        ..snapshot(11.0, 11.0, 9.0)
+    };
+    let buy_check = hooks.can_buy(d(2024, 1, 3), &exact_upper, &candidate, PriceField::Open);
     assert!(!buy_check.allowed);
 
     let near_lower = DailyMarketSnapshot {
@@ -199,6 +207,19 @@ fn china_rule_hooks_use_tick_size_tolerance_for_price_limits() {
         &position,
         PriceField::Open,
     );
+    assert!(sell_check.allowed);
+
+    let exact_lower = DailyMarketSnapshot {
+        price_tick: 0.001,
+        ..snapshot(9.0, 11.0, 9.0)
+    };
+    let sell_check = hooks.can_sell(
+        d(2024, 1, 3),
+        &exact_lower,
+        &candidate,
+        &position,
+        PriceField::Open,
+    );
     assert!(!sell_check.allowed);
 }
 

crates/fidc-core/tests/corporate_actions.rs

@@ -221,6 +221,7 @@ fn engine_reinvests_dividend_receivable_in_round_lots() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: ex_date,
@@ -232,6 +233,7 @@ fn engine_reinvests_dividend_receivable_in_round_lots() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: payable_date,
@@ -243,6 +245,7 @@ fn engine_reinvests_dividend_receivable_in_round_lots() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![
@@ -300,7 +303,7 @@ fn engine_reinvests_dividend_receivable_in_round_lots() {
             PriceField::Open,
         ),
         BacktestConfig {
-            initial_cash: 11_005.0,
+            initial_cash: 11_008.0,
             benchmark_code: "000300.SH".to_string(),
             start_date: Some(buy_date),
             end_date: Some(payable_date),

crates/fidc-core/tests/decision_quote_preload.rs

@@ -0,0 +1,646 @@
+use chrono::{Duration, NaiveDate, NaiveTime};
+use fidc_core::{
+    BacktestConfig, BacktestEngine, BenchmarkSnapshot, BrokerSimulator, CandidateEligibility,
+    ChinaAShareCostModel, ChinaEquityRuleHooks, DailyFactorSnapshot, DailyMarketSnapshot, DataSet,
+    IntradayExecutionQuote, MatchingType, OrderIntent, PriceField, Strategy, StrategyContext,
+    StrategyDecision,
+};
+use std::sync::{Arc, Mutex};
+
+fn d(year: i32, month: u32, day: u32) -> NaiveDate {
+    NaiveDate::from_ymd_opt(year, month, day).expect("valid date")
+}
+
+fn t(hour: u32, minute: u32, second: u32) -> NaiveTime {
+    NaiveTime::from_hms_opt(hour, minute, second).expect("valid time")
+}
+
+#[derive(Default)]
+struct DecisionQuoteReader {
+    day_count: usize,
+}
+
+impl Strategy for DecisionQuoteReader {
+    fn name(&self) -> &str {
+        "decision_quote_reader"
+    }
+
+    fn decision_quote_times(&self) -> Vec<NaiveTime> {
+        vec![t(10, 40, 0)]
+    }
+
+    fn on_day(
+        &mut self,
+        ctx: &StrategyContext<'_>,
+    ) -> Result<StrategyDecision, fidc_core::BacktestError> {
+        self.day_count += 1;
+        if self.day_count == 1 {
+            return Ok(StrategyDecision {
+                order_intents: vec![OrderIntent::Value {
+                    symbol: "000001.SZ".to_string(),
+                    value: 5_000.0,
+                    reason: "seed_position".to_string(),
+                }],
+                ..StrategyDecision::default()
+            });
+        }
+
+        assert!(
+            ctx.portfolio.position("000001.SZ").is_some(),
+            "second day should carry the first day position"
+        );
+        let quote_loaded_before_decision = ctx
+            .data
+            .execution_quotes_on(ctx.execution_date, "000001.SZ")
+            .iter()
+            .any(|quote| quote.timestamp.time() == t(10, 39, 59) && quote.last_price == 11.0);
+        assert!(
+            quote_loaded_before_decision,
+            "engine must load declared decision quote before strategy.on_day"
+        );
+        Ok(StrategyDecision::default())
+    }
+}
+
+#[test]
+fn engine_preloads_declared_decision_quotes_for_current_positions() {
+    let first = d(2026, 1, 5);
+    let second = d(2026, 1, 6);
+    let data = DataSet::from_components(
+        Vec::new(),
+        vec![
+            DailyMarketSnapshot {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                timestamp: Some("2026-01-05 15:00:00".to_string()),
+                day_open: 10.0,
+                open: 10.0,
+                high: 10.2,
+                low: 9.9,
+                close: 10.0,
+                last_price: 10.0,
+                bid1: 10.0,
+                ask1: 10.0,
+                prev_close: 9.8,
+                volume: 10_000,
+                tick_volume: 1_000,
+                bid1_volume: 10_000,
+                ask1_volume: 10_000,
+                trading_phase: Some("continuous".to_string()),
+                paused: false,
+                upper_limit: 10.78,
+                lower_limit: 8.82,
+                price_tick: 0.01,
+            },
+            DailyMarketSnapshot {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                timestamp: Some("2026-01-06 15:00:00".to_string()),
+                day_open: 10.5,
+                open: 10.5,
+                high: 11.2,
+                low: 10.4,
+                close: 10.6,
+                last_price: 10.6,
+                bid1: 10.6,
+                ask1: 10.6,
+                prev_close: 10.0,
+                volume: 10_000,
+                tick_volume: 1_000,
+                bid1_volume: 10_000,
+                ask1_volume: 10_000,
+                trading_phase: Some("continuous".to_string()),
+                paused: false,
+                upper_limit: 11.0,
+                lower_limit: 9.0,
+                price_tick: 0.01,
+            },
+        ],
+        vec![
+            DailyFactorSnapshot {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                market_cap_bn: 10.0,
+                free_float_cap_bn: 10.0,
+                pe_ttm: 10.0,
+                turnover_ratio: None,
+                effective_turnover_ratio: None,
+                extra_factors: Default::default(),
+            },
+            DailyFactorSnapshot {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                market_cap_bn: 10.0,
+                free_float_cap_bn: 10.0,
+                pe_ttm: 10.0,
+                turnover_ratio: None,
+                effective_turnover_ratio: None,
+                extra_factors: Default::default(),
+            },
+        ],
+        vec![
+            CandidateEligibility {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                is_st: false,
+                is_new_listing: false,
+                is_paused: false,
+                allow_buy: true,
+                allow_sell: true,
+                is_kcb: false,
+                is_one_yuan: false,
+                risk_level_code: None,
+            },
+            CandidateEligibility {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                is_st: false,
+                is_new_listing: false,
+                is_paused: false,
+                allow_buy: true,
+                allow_sell: true,
+                is_kcb: false,
+                is_one_yuan: false,
+                risk_level_code: None,
+            },
+        ],
+        vec![
+            BenchmarkSnapshot {
+                date: first,
+                benchmark: "000852.SH".to_string(),
+                open: 1000.0,
+                close: 1000.0,
+                prev_close: 990.0,
+                volume: 1_000_000,
+            },
+            BenchmarkSnapshot {
+                date: second,
+                benchmark: "000852.SH".to_string(),
+                open: 1000.0,
+                close: 1001.0,
+                prev_close: 1000.0,
+                volume: 1_000_000,
+            },
+        ],
+    )
+    .expect("dataset");
+
+    let broker = BrokerSimulator::new_with_execution_price(
+        ChinaAShareCostModel::default(),
+        ChinaEquityRuleHooks,
+        PriceField::Last,
+    )
+    .with_matching_type(MatchingType::NextTickLast)
+    .with_intraday_execution_start_time(t(10, 40, 0));
+    let config = BacktestConfig {
+        initial_cash: 10_000.0,
+        benchmark_code: "000852.SH".to_string(),
+        start_date: Some(first),
+        end_date: Some(second),
+        decision_lag_trading_days: 0,
+        execution_price_field: PriceField::Last,
+    };
+    let mut engine = BacktestEngine::new(data, DecisionQuoteReader::default(), broker, config)
+        .with_execution_quote_loader(move |request| {
+            assert_eq!(
+                request.end_time, None,
+                "decision quote preload must request latest quote at or before start_time"
+            );
+            Ok(request
+                .symbols
+                .into_iter()
+                .map(|symbol| IntradayExecutionQuote {
+                    date: request.date,
+                    symbol,
+                    timestamp: request.date.and_time(t(10, 39, 59)),
+                    last_price: if request.date == second { 11.0 } else { 10.0 },
+                    bid1: if request.date == second { 11.0 } else { 10.0 },
+                    ask1: if request.date == second { 11.0 } else { 10.0 },
+                    bid1_volume: 10_000,
+                    ask1_volume: 10_000,
+                    volume_delta: 10_000,
+                    amount_delta: 100_000.0,
+                    trading_phase: Some("continuous".to_string()),
+                })
+                .collect())
+        });
+
+    engine.run().expect("backtest should run");
+}
+
+#[test]
+fn engine_reuses_preloaded_decision_quotes_without_loader_call() {
+    let first = d(2026, 1, 5);
+    let second = d(2026, 1, 6);
+    let data = DataSet::from_components_with_actions_and_quotes(
+        Vec::new(),
+        vec![
+            DailyMarketSnapshot {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                timestamp: Some("2026-01-05 15:00:00".to_string()),
+                day_open: 10.0,
+                open: 10.0,
+                high: 10.2,
+                low: 9.9,
+                close: 10.0,
+                last_price: 10.0,
+                bid1: 10.0,
+                ask1: 10.0,
+                prev_close: 9.8,
+                volume: 10_000,
+                tick_volume: 1_000,
+                bid1_volume: 10_000,
+                ask1_volume: 10_000,
+                trading_phase: Some("continuous".to_string()),
+                paused: false,
+                upper_limit: 10.78,
+                lower_limit: 8.82,
+                price_tick: 0.01,
+            },
+            DailyMarketSnapshot {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                timestamp: Some("2026-01-06 15:00:00".to_string()),
+                day_open: 10.5,
+                open: 10.5,
+                high: 11.2,
+                low: 10.4,
+                close: 10.6,
+                last_price: 10.6,
+                bid1: 10.6,
+                ask1: 10.6,
+                prev_close: 10.0,
+                volume: 10_000,
+                tick_volume: 1_000,
+                bid1_volume: 10_000,
+                ask1_volume: 10_000,
+                trading_phase: Some("continuous".to_string()),
+                paused: false,
+                upper_limit: 11.0,
+                lower_limit: 9.0,
+                price_tick: 0.01,
+            },
+        ],
+        vec![
+            DailyFactorSnapshot {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                market_cap_bn: 10.0,
+                free_float_cap_bn: 10.0,
+                pe_ttm: 10.0,
+                turnover_ratio: None,
+                effective_turnover_ratio: None,
+                extra_factors: Default::default(),
+            },
+            DailyFactorSnapshot {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                market_cap_bn: 10.0,
+                free_float_cap_bn: 10.0,
+                pe_ttm: 10.0,
+                turnover_ratio: None,
+                effective_turnover_ratio: None,
+                extra_factors: Default::default(),
+            },
+        ],
+        vec![
+            CandidateEligibility {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                is_st: false,
+                is_new_listing: false,
+                is_paused: false,
+                allow_buy: true,
+                allow_sell: true,
+                is_kcb: false,
+                is_one_yuan: false,
+                risk_level_code: None,
+            },
+            CandidateEligibility {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                is_st: false,
+                is_new_listing: false,
+                is_paused: false,
+                allow_buy: true,
+                allow_sell: true,
+                is_kcb: false,
+                is_one_yuan: false,
+                risk_level_code: None,
+            },
+        ],
+        vec![
+            BenchmarkSnapshot {
+                date: first,
+                benchmark: "000852.SH".to_string(),
+                open: 1000.0,
+                close: 1000.0,
+                prev_close: 990.0,
+                volume: 1_000_000,
+            },
+            BenchmarkSnapshot {
+                date: second,
+                benchmark: "000852.SH".to_string(),
+                open: 1000.0,
+                close: 1001.0,
+                prev_close: 1000.0,
+                volume: 1_000_000,
+            },
+        ],
+        Vec::new(),
+        vec![
+            IntradayExecutionQuote {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                timestamp: first.and_time(t(10, 39, 59)),
+                last_price: 10.0,
+                bid1: 10.0,
+                ask1: 10.0,
+                bid1_volume: 10_000,
+                ask1_volume: 10_000,
+                volume_delta: 10_000,
+                amount_delta: 100_000.0,
+                trading_phase: Some("continuous".to_string()),
+            },
+            IntradayExecutionQuote {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                timestamp: second.and_time(t(10, 39, 59)),
+                last_price: 11.0,
+                bid1: 11.0,
+                ask1: 11.0,
+                bid1_volume: 10_000,
+                ask1_volume: 10_000,
+                volume_delta: 10_000,
+                amount_delta: 100_000.0,
+                trading_phase: Some("continuous".to_string()),
+            },
+        ],
+    )
+    .expect("dataset");
+
+    let broker = BrokerSimulator::new_with_execution_price(
+        ChinaAShareCostModel::default(),
+        ChinaEquityRuleHooks,
+        PriceField::Last,
+    )
+    .with_matching_type(MatchingType::NextTickLast)
+    .with_intraday_execution_start_time(t(10, 40, 0));
+    let config = BacktestConfig {
+        initial_cash: 10_000.0,
+        benchmark_code: "000852.SH".to_string(),
+        start_date: Some(first),
+        end_date: Some(second),
+        decision_lag_trading_days: 0,
+        execution_price_field: PriceField::Last,
+    };
+    let loader_calls = Arc::new(Mutex::new(0usize));
+    let captured_loader_calls = Arc::clone(&loader_calls);
+    let mut engine = BacktestEngine::new(data, DecisionQuoteReader::default(), broker, config)
+        .with_execution_quote_loader(move |_| {
+            *captured_loader_calls.lock().expect("loader mutex") += 1;
+            Ok(Vec::new())
+        });
+
+    engine.run().expect("backtest should run");
+    assert_eq!(
+        *loader_calls.lock().expect("loader mutex"),
+        0,
+        "preloaded execution quotes should satisfy decision-time quote requests"
+    );
+}
+
+#[derive(Default)]
+struct MultiTimeDecisionQuoteReader {
+    day_count: usize,
+}
+
+impl Strategy for MultiTimeDecisionQuoteReader {
+    fn name(&self) -> &str {
+        "multi_time_decision_quote_reader"
+    }
+
+    fn decision_quote_times(&self) -> Vec<NaiveTime> {
+        vec![t(10, 31, 0), t(10, 40, 0)]
+    }
+
+    fn on_day(
+        &mut self,
+        ctx: &StrategyContext<'_>,
+    ) -> Result<StrategyDecision, fidc_core::BacktestError> {
+        self.day_count += 1;
+        if self.day_count == 1 {
+            return Ok(StrategyDecision {
+                order_intents: vec![OrderIntent::Value {
+                    symbol: "000001.SZ".to_string(),
+                    value: 5_000.0,
+                    reason: "seed_position".to_string(),
+                }],
+                ..StrategyDecision::default()
+            });
+        }
+
+        let quote_times = ctx
+            .data
+            .execution_quotes_on(ctx.execution_date, "000001.SZ")
+            .iter()
+            .map(|quote| quote.timestamp.time())
+            .collect::<Vec<_>>();
+        assert!(
+            quote_times.contains(&t(10, 30, 59)),
+            "10:31 decision quote must be loaded"
+        );
+        assert!(
+            quote_times.contains(&t(10, 39, 59)),
+            "10:40 decision quote must not be skipped because 10:31 was loaded"
+        );
+        Ok(StrategyDecision::default())
+    }
+}
+
+#[test]
+fn engine_loads_distinct_decision_quote_times_on_same_day() {
+    let first = d(2026, 1, 5);
+    let second = d(2026, 1, 6);
+    let data = DataSet::from_components(
+        Vec::new(),
+        vec![
+            DailyMarketSnapshot {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                timestamp: Some("2026-01-05 15:00:00".to_string()),
+                day_open: 10.0,
+                open: 10.0,
+                high: 10.2,
+                low: 9.9,
+                close: 10.0,
+                last_price: 10.0,
+                bid1: 10.0,
+                ask1: 10.0,
+                prev_close: 9.8,
+                volume: 10_000,
+                tick_volume: 1_000,
+                bid1_volume: 10_000,
+                ask1_volume: 10_000,
+                trading_phase: Some("continuous".to_string()),
+                paused: false,
+                upper_limit: 10.78,
+                lower_limit: 8.82,
+                price_tick: 0.01,
+            },
+            DailyMarketSnapshot {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                timestamp: Some("2026-01-06 15:00:00".to_string()),
+                day_open: 10.5,
+                open: 10.5,
+                high: 11.2,
+                low: 10.4,
+                close: 10.6,
+                last_price: 10.6,
+                bid1: 10.6,
+                ask1: 10.6,
+                prev_close: 10.0,
+                volume: 10_000,
+                tick_volume: 1_000,
+                bid1_volume: 10_000,
+                ask1_volume: 10_000,
+                trading_phase: Some("continuous".to_string()),
+                paused: false,
+                upper_limit: 11.0,
+                lower_limit: 9.0,
+                price_tick: 0.01,
+            },
+        ],
+        vec![
+            DailyFactorSnapshot {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                market_cap_bn: 10.0,
+                free_float_cap_bn: 10.0,
+                pe_ttm: 10.0,
+                turnover_ratio: None,
+                effective_turnover_ratio: None,
+                extra_factors: Default::default(),
+            },
+            DailyFactorSnapshot {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                market_cap_bn: 10.0,
+                free_float_cap_bn: 10.0,
+                pe_ttm: 10.0,
+                turnover_ratio: None,
+                effective_turnover_ratio: None,
+                extra_factors: Default::default(),
+            },
+        ],
+        vec![
+            CandidateEligibility {
+                date: first,
+                symbol: "000001.SZ".to_string(),
+                is_st: false,
+                is_new_listing: false,
+                is_paused: false,
+                allow_buy: true,
+                allow_sell: true,
+                is_kcb: false,
+                is_one_yuan: false,
+                risk_level_code: None,
+            },
+            CandidateEligibility {
+                date: second,
+                symbol: "000001.SZ".to_string(),
+                is_st: false,
+                is_new_listing: false,
+                is_paused: false,
+                allow_buy: true,
+                allow_sell: true,
+                is_kcb: false,
+                is_one_yuan: false,
+                risk_level_code: None,
+            },
+        ],
+        vec![
+            BenchmarkSnapshot {
+                date: first,
+                benchmark: "000852.SH".to_string(),
+                open: 1000.0,
+                close: 1000.0,
+                prev_close: 990.0,
+                volume: 1_000_000,
+            },
+            BenchmarkSnapshot {
+                date: second,
+                benchmark: "000852.SH".to_string(),
+                open: 1000.0,
+                close: 1001.0,
+                prev_close: 1000.0,
+                volume: 1_000_000,
+            },
+        ],
+    )
+    .expect("dataset");
+
+    let broker = BrokerSimulator::new_with_execution_price(
+        ChinaAShareCostModel::default(),
+        ChinaEquityRuleHooks,
+        PriceField::Last,
+    )
+    .with_matching_type(MatchingType::NextTickLast)
+    .with_intraday_execution_start_time(t(10, 40, 0));
+    let config = BacktestConfig {
+        initial_cash: 10_000.0,
+        benchmark_code: "000852.SH".to_string(),
+        start_date: Some(first),
+        end_date: Some(second),
+        decision_lag_trading_days: 0,
+        execution_price_field: PriceField::Last,
+    };
+    let requests = Arc::new(Mutex::new(Vec::<(NaiveDate, NaiveTime)>::new()));
+    let captured_requests = Arc::clone(&requests);
+    let mut engine = BacktestEngine::new(
+        data,
+        MultiTimeDecisionQuoteReader::default(),
+        broker,
+        config,
+    )
+    .with_execution_quote_loader(move |request| {
+        let start_time = request
+            .start_time
+            .expect("decision quote loader request must include start_time");
+        captured_requests
+            .lock()
+            .expect("request mutex")
+            .push((request.date, start_time));
+        Ok(request
+            .symbols
+            .into_iter()
+            .map(|symbol| IntradayExecutionQuote {
+                date: request.date,
+                symbol,
+                timestamp: request.date.and_time(start_time) - Duration::seconds(1),
+                last_price: 10.0,
+                bid1: 10.0,
+                ask1: 10.0,
+                bid1_volume: 10_000,
+                ask1_volume: 10_000,
+                volume_delta: 10_000,
+                amount_delta: 100_000.0,
+                trading_phase: Some("continuous".to_string()),
+            })
+            .collect())
+    });
+
+    engine.run().expect("backtest should run");
+
+    let requests = requests.lock().expect("request mutex").clone();
+    assert!(
+        requests.contains(&(second, t(10, 31, 0))),
+        "second-day 10:31 quote request is required"
+    );
+    assert!(
+        requests.contains(&(second, t(10, 40, 0))),
+        "second-day 10:40 quote request must not be skipped by earlier quote"
+    );
+}

crates/fidc-core/tests/delisting.rs

@@ -43,7 +43,8 @@ impl Strategy for BuyThenHoldStrategy {
 #[test]
 fn engine_settles_delisted_position_before_missing_market_snapshot_breaks_run() {
     let date1 = d(2025, 1, 2);
-    let date2 = d(2025, 1, 3);
+    let delist_date = d(2025, 1, 3);
+    let date2 = d(2025, 1, 6);
     let data = DataSet::from_components(
         vec![
             Instrument {
@@ -52,8 +53,8 @@ fn engine_settles_delisted_position_before_missing_market_snapshot_breaks_run()
                 board: "SZ".to_string(),
                 round_lot: 100,
                 listed_at: Some(d(2020, 1, 1)),
-                delisted_at: Some(date1),
-                status: "delisted".to_string(),
+                delisted_at: Some(delist_date),
+                status: "active".to_string(),
             },
             Instrument {
                 symbol: "000002.SZ".to_string(),
@@ -115,7 +116,7 @@ fn engine_settles_delisted_position_before_missing_market_snapshot_breaks_run()
             DailyMarketSnapshot {
                 date: date2,
                 symbol: "000002.SZ".to_string(),
-                timestamp: Some("2025-01-03 10:18:00".to_string()),
+                timestamp: Some("2025-01-06 10:18:00".to_string()),
                 day_open: 5.1,
                 open: 5.1,
                 high: 5.2,
@@ -179,6 +180,7 @@ fn engine_settles_delisted_position_before_missing_market_snapshot_breaks_run()
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date1,
@@ -190,6 +192,7 @@ fn engine_settles_delisted_position_before_missing_market_snapshot_breaks_run()
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date2,
@@ -201,6 +204,7 @@ fn engine_settles_delisted_position_before_missing_market_snapshot_breaks_run()
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![
@@ -273,7 +277,7 @@ fn engine_applies_successor_conversion_before_delisted_cash_settlement() {
                 round_lot: 100,
                 listed_at: Some(d(2020, 1, 1)),
                 delisted_at: Some(date2),
-                status: "delisted".to_string(),
+                status: "active".to_string(),
             },
             Instrument {
                 symbol: "000002.SZ".to_string(),
@@ -399,6 +403,7 @@ fn engine_applies_successor_conversion_before_delisted_cash_settlement() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date1,
@@ -410,6 +415,7 @@ fn engine_applies_successor_conversion_before_delisted_cash_settlement() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date2,
@@ -421,6 +427,7 @@ fn engine_applies_successor_conversion_before_delisted_cash_settlement() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![
@@ -492,7 +499,7 @@ fn engine_applies_successor_conversion_before_delisted_cash_settlement() {
         .iter()
         .find(|holding| holding.symbol == "000002.SZ")
         .expect("successor holding exists");
-    assert_eq!(successor_holding.quantity, 500);
+    assert_eq!(successor_holding.quantity, 450);
     assert!(
         result
             .holdings_summary
@@ -503,6 +510,6 @@ fn engine_applies_successor_conversion_before_delisted_cash_settlement() {
         event
             .note
             .contains("successor_conversion 000001.SZ->000002.SZ")
-            && event.note.contains("cash=1000.00")
+            && event.note.contains("cash=900.00")
     }));
 }

crates/fidc-core/tests/engine_hooks.rs

@@ -87,6 +87,7 @@ fn single_day_anchor_data(date: NaiveDate) -> DataSet {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -154,6 +155,7 @@ fn candidate_row(date: NaiveDate, symbol: &str) -> CandidateEligibility {
         allow_sell: true,
         is_kcb: false,
         is_one_yuan: false,
+        risk_level_code: None,
     }
 }
 
@@ -329,7 +331,7 @@ impl Strategy for AuctionOrderStrategy {
             exit_symbols: BTreeSet::new(),
             order_intents: vec![fidc_core::OrderIntent::Value {
                 symbol: "000001.SZ".to_string(),
-                value: 1_000.0,
+                value: 1_010.0,
                 reason: "auction_buy".to_string(),
             }],
             notes: Vec::new(),
@@ -1116,6 +1118,7 @@ fn engine_runs_strategy_hooks_in_daily_order() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date2,
@@ -1127,6 +1130,7 @@ fn engine_runs_strategy_hooks_in_daily_order() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![
@@ -1273,6 +1277,7 @@ fn engine_executes_open_auction_decisions_before_on_day() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1371,6 +1376,7 @@ fn engine_executes_futures_order_intents_against_future_account() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1960,6 +1966,7 @@ fn engine_runs_subscribed_tick_hooks_and_executes_tick_orders() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -2143,6 +2150,7 @@ fn strategy_context_exposes_engine_native_data_helpers() {
         allow_sell: true,
         is_kcb: false,
         is_one_yuan: false,
+        risk_level_code: None,
     })
     .collect::<Vec<_>>();
     let benchmarks = [
@@ -2302,6 +2310,7 @@ fn strategy_context_exposes_final_order_runtime_view() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -2555,6 +2564,7 @@ fn engine_applies_account_cash_flow_and_financing_intents() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date2,
@@ -2566,6 +2576,7 @@ fn engine_applies_account_cash_flow_and_financing_intents() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![
@@ -2737,6 +2748,7 @@ fn engine_rejects_pending_limit_orders_at_market_close() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date2,
@@ -2748,6 +2760,7 @@ fn engine_rejects_pending_limit_orders_at_market_close() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![
@@ -2938,6 +2951,7 @@ fn engine_runs_scheduled_rules_for_daily_weekly_and_monthly_triggers() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date2,
@@ -2949,6 +2963,7 @@ fn engine_runs_scheduled_rules_for_daily_weekly_and_monthly_triggers() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date3,
@@ -2960,6 +2975,7 @@ fn engine_runs_scheduled_rules_for_daily_weekly_and_monthly_triggers() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![
@@ -3184,6 +3200,7 @@ fn engine_dispatches_process_events_to_external_bus_listeners() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date2,
@@ -3195,6 +3212,7 @@ fn engine_dispatches_process_events_to_external_bus_listeners() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: date3,
@@ -3206,6 +3224,7 @@ fn engine_dispatches_process_events_to_external_bus_listeners() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![
@@ -3538,6 +3557,7 @@ fn engine_applies_dynamic_universe_and_subscription_directives() {
                     allow_sell: true,
                     is_kcb: false,
                     is_one_yuan: false,
+                    risk_level_code: None,
                 },
                 CandidateEligibility {
                     date: *date,
@@ -3549,6 +3569,7 @@ fn engine_applies_dynamic_universe_and_subscription_directives() {
                     allow_sell: true,
                     is_kcb: false,
                     is_one_yuan: false,
+                    risk_level_code: None,
                 },
             ]
         })
@@ -3671,6 +3692,7 @@ fn engine_exposes_current_process_context_to_strategies() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -3734,7 +3756,7 @@ impl Strategy for BuyMissingRowThenHoldStrategy {
                 exit_symbols: BTreeSet::new(),
                 order_intents: vec![OrderIntent::Value {
                     symbol: "601028.SH".to_string(),
-                    value: 1_000.0,
+                    value: 1_010.0,
                     reason: "seed_position".to_string(),
                 }],
                 notes: Vec::new(),

crates/fidc-core/tests/explicit_order_flow.rs

@@ -1,12 +1,115 @@
 use chrono::{NaiveDate, NaiveTime};
 use fidc_core::{
     AlgoOrderStyle, BenchmarkSnapshot, BrokerSimulator, CandidateEligibility, ChinaAShareCostModel,
-    ChinaEquityRuleHooks, DailyFactorSnapshot, DailyMarketSnapshot, DataSet, Instrument,
-    IntradayExecutionQuote, MatchingType, OrderIntent, OrderStatus, PortfolioState, PriceField,
-    ProcessEventKind, SlippageModel, StrategyDecision, TargetPortfolioOrderPricing,
+    ChinaEquityRuleHooks, DailyFactorSnapshot, DailyMarketSnapshot, DataSet, DynamicSlippageConfig,
+    Instrument, IntradayExecutionQuote, MatchingType, OrderIntent, OrderStatus, PortfolioState,
+    PriceField, ProcessEventKind, SlippageModel, StrategyDecision, TargetPortfolioOrderPricing,
 };
 use std::collections::{BTreeMap, BTreeSet};
 
+fn order_value_rounding_data(date: NaiveDate, symbol: &str, price: f64) -> DataSet {
+    DataSet::from_components(
+        vec![Instrument {
+            symbol: symbol.to_string(),
+            name: "Test".to_string(),
+            board: "SZ".to_string(),
+            round_lot: 100,
+            listed_at: None,
+            delisted_at: None,
+            status: "active".to_string(),
+        }],
+        vec![DailyMarketSnapshot {
+            date,
+            symbol: symbol.to_string(),
+            timestamp: Some(format!("{date} 09:33:00")),
+            day_open: price,
+            open: price,
+            high: price,
+            low: price,
+            close: price,
+            last_price: price,
+            bid1: price,
+            ask1: price,
+            prev_close: price,
+            volume: 100_000,
+            tick_volume: 100_000,
+            bid1_volume: 80_000,
+            ask1_volume: 80_000,
+            trading_phase: Some("continuous".to_string()),
+            paused: false,
+            upper_limit: price * 1.1,
+            lower_limit: price * 0.9,
+            price_tick: 0.01,
+        }],
+        vec![DailyFactorSnapshot {
+            date,
+            symbol: symbol.to_string(),
+            market_cap_bn: 50.0,
+            free_float_cap_bn: 45.0,
+            pe_ttm: 15.0,
+            turnover_ratio: Some(2.0),
+            effective_turnover_ratio: Some(1.8),
+            extra_factors: BTreeMap::new(),
+        }],
+        vec![CandidateEligibility {
+            date,
+            symbol: symbol.to_string(),
+            is_st: false,
+            is_new_listing: false,
+            is_paused: false,
+            allow_buy: true,
+            allow_sell: true,
+            is_kcb: false,
+            is_one_yuan: false,
+            risk_level_code: None,
+        }],
+        vec![BenchmarkSnapshot {
+            date,
+            benchmark: "000300.SH".to_string(),
+            open: 100.0,
+            close: 100.0,
+            prev_close: 99.0,
+            volume: 1_000_000,
+        }],
+    )
+    .expect("dataset")
+}
+
+fn execute_single_value_order(
+    date: NaiveDate,
+    data: &DataSet,
+    symbol: &str,
+    value: f64,
+) -> (PortfolioState, fidc_core::BrokerExecutionReport) {
+    let mut portfolio = PortfolioState::new(20_000.0);
+    let broker = BrokerSimulator::new_with_execution_price(
+        ChinaAShareCostModel::default(),
+        ChinaEquityRuleHooks::default(),
+        PriceField::Open,
+    )
+    .with_strict_value_budget(true);
+    let report = broker
+        .execute(
+            date,
+            &mut portfolio,
+            data,
+            &StrategyDecision {
+                rebalance: false,
+                target_weights: BTreeMap::new(),
+                exit_symbols: BTreeSet::new(),
+                order_intents: vec![OrderIntent::Value {
+                    symbol: symbol.to_string(),
+                    value,
+                    reason: "test_order_value_rounding".to_string(),
+                }],
+                notes: Vec::new(),
+                diagnostics: Vec::new(),
+            },
+        )
+        .expect("broker execution");
+    (portfolio, report)
+}
+
 #[test]
 fn broker_executes_explicit_order_value_buy() {
     let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
@@ -63,6 +166,7 @@ fn broker_executes_explicit_order_value_buy() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -122,6 +226,172 @@ fn broker_executes_explicit_order_value_buy() {
     assert!(portfolio.cash() < 1_000_000.0);
 }
 
+#[test]
+fn broker_order_value_rounds_to_nearest_lot_when_min_lot_is_affordable() {
+    let date = NaiveDate::from_ymd_opt(2025, 1, 24).unwrap();
+    let symbol = "003017.SZ";
+    let data = order_value_rounding_data(date, symbol, 19.97);
+
+    let (portfolio, report) = execute_single_value_order(date, &data, symbol, 3_938.13);
+
+    assert_eq!(report.fill_events.len(), 1);
+    assert_eq!(report.fill_events[0].quantity, 100);
+    assert_eq!(portfolio.position(symbol).expect("position").quantity, 100);
+}
+
+#[test]
+fn broker_order_value_budget_includes_buy_commission() {
+    let date = NaiveDate::from_ymd_opt(2025, 6, 23).unwrap();
+    let symbol = "605303.SH";
+    let data = order_value_rounding_data(date, symbol, 11.93);
+
+    let (portfolio, report) = execute_single_value_order(date, &data, symbol, 4_776.0);
+
+    assert_eq!(report.fill_events.len(), 1);
+    assert_eq!(report.fill_events[0].quantity, 300);
+    assert_eq!(portfolio.position(symbol).expect("position").quantity, 300);
+
+    let (portfolio, report) = execute_single_value_order(date, &data, symbol, 4_848.0);
+
+    assert_eq!(report.fill_events.len(), 1);
+    assert_eq!(report.fill_events[0].quantity, 400);
+    assert_eq!(portfolio.position(symbol).expect("position").quantity, 400);
+}
+
+#[test]
+fn broker_delayed_limit_open_sell_uses_tick_price() {
+    let date = NaiveDate::from_ymd_opt(2025, 6, 27).unwrap();
+    let prev_date = NaiveDate::from_ymd_opt(2025, 6, 26).unwrap();
+    let symbol = "300635.SZ";
+    let data = DataSet::from_components_with_actions_and_quotes(
+        vec![Instrument {
+            symbol: symbol.to_string(),
+            name: "Test".to_string(),
+            board: "SZ".to_string(),
+            round_lot: 100,
+            listed_at: None,
+            delisted_at: None,
+            status: "active".to_string(),
+        }],
+        vec![DailyMarketSnapshot {
+            date,
+            symbol: symbol.to_string(),
+            timestamp: Some("2025-06-27 09:31:00".to_string()),
+            day_open: 12.55,
+            open: 12.55,
+            high: 13.16,
+            low: 12.26,
+            close: 12.36,
+            last_price: 12.39,
+            bid1: 12.39,
+            ask1: 12.40,
+            prev_close: 13.24,
+            volume: 329_575,
+            tick_volume: 10_000,
+            bid1_volume: 10_000,
+            ask1_volume: 10_000,
+            trading_phase: Some("continuous".to_string()),
+            paused: false,
+            upper_limit: 14.56,
+            lower_limit: 11.92,
+            price_tick: 0.01,
+        }],
+        vec![DailyFactorSnapshot {
+            date,
+            symbol: symbol.to_string(),
+            market_cap_bn: 50.0,
+            free_float_cap_bn: 45.0,
+            pe_ttm: 15.0,
+            turnover_ratio: Some(2.0),
+            effective_turnover_ratio: Some(1.8),
+            extra_factors: BTreeMap::new(),
+        }],
+        vec![CandidateEligibility {
+            date,
+            symbol: symbol.to_string(),
+            is_st: false,
+            is_new_listing: false,
+            is_paused: false,
+            allow_buy: true,
+            allow_sell: true,
+            is_kcb: false,
+            is_one_yuan: false,
+            risk_level_code: None,
+        }],
+        vec![BenchmarkSnapshot {
+            date,
+            benchmark: "000300.SH".to_string(),
+            open: 100.0,
+            close: 100.0,
+            prev_close: 99.0,
+            volume: 1_000_000,
+        }],
+        Vec::new(),
+        vec![IntradayExecutionQuote {
+            date,
+            symbol: symbol.to_string(),
+            timestamp: date.and_hms_opt(9, 31, 0).unwrap(),
+            last_price: 12.39,
+            bid1: 12.39,
+            ask1: 12.40,
+            bid1_volume: 10_000,
+            ask1_volume: 10_000,
+            volume_delta: 10_000,
+            amount_delta: 123_900.0,
+            trading_phase: Some("continuous".to_string()),
+        }],
+    )
+    .expect("dataset");
+    let mut portfolio = PortfolioState::new(1_000.0);
+    portfolio.position_mut(symbol).buy(prev_date, 800, 10.92);
+    let broker = BrokerSimulator::new_with_execution_price(
+        ChinaAShareCostModel::default(),
+        ChinaEquityRuleHooks::default(),
+        PriceField::Last,
+    )
+    .with_matching_type(MatchingType::NextTickLast)
+    .with_intraday_execution_start_time(NaiveTime::from_hms_opt(9, 31, 0).unwrap())
+    .with_volume_limit(false)
+    .with_liquidity_limit(false);
+
+    let report = broker
+        .execute(
+            date,
+            &mut portfolio,
+            &data,
+            &StrategyDecision {
+                rebalance: false,
+                target_weights: BTreeMap::new(),
+                exit_symbols: BTreeSet::new(),
+                order_intents: vec![OrderIntent::TargetValue {
+                    symbol: symbol.to_string(),
+                    target_value: 0.0,
+                    reason: "delayed_limit_open_sell".to_string(),
+                }],
+                notes: Vec::new(),
+                diagnostics: Vec::new(),
+            },
+        )
+        .expect("broker execution");
+
+    assert_eq!(report.fill_events.len(), 1);
+    assert_eq!(report.fill_events[0].quantity, 800);
+    assert_eq!(report.fill_events[0].price, 12.39);
+    assert!(portfolio.position(symbol).is_none());
+}
+
+#[test]
+fn broker_order_value_skips_when_one_lot_exceeds_budget() {
+    let date = NaiveDate::from_ymd_opt(2025, 1, 2).unwrap();
+    let symbol = "300321.SZ";
+    let data = order_value_rounding_data(date, symbol, 20.38);
+
+    let (portfolio, report) = execute_single_value_order(date, &data, symbol, 2_000.0);
+
+    assert!(report.fill_events.is_empty());
+    assert!(portfolio.position(symbol).is_none());
+}
+
 #[test]
 fn broker_executes_order_shares_and_order_lots() {
     let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
@@ -178,6 +448,7 @@ fn broker_executes_order_shares_and_order_lots() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -303,6 +574,7 @@ fn broker_executes_target_shares_like_order_to() {
             allow_buy: true,
             allow_sell: true,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -459,6 +731,7 @@ fn broker_executes_target_portfolio_smart_with_custom_prices() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date,
@@ -470,6 +743,7 @@ fn broker_executes_target_portfolio_smart_with_custom_prices() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![BenchmarkSnapshot {
@@ -600,6 +874,7 @@ fn broker_executes_target_portfolio_smart_with_algo_order_style() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -740,6 +1015,7 @@ fn broker_executes_order_percent_and_target_percent() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -778,7 +1054,7 @@ fn broker_executes_order_percent_and_target_percent() {
         )
         .expect("percent execution");
     assert_eq!(percent_report.fill_events.len(), 1);
-    assert_eq!(percent_report.fill_events[0].quantity, 10_000);
+    assert_eq!(percent_report.fill_events[0].quantity, 9_900);
 
     let mut target_percent_portfolio = PortfolioState::new(1_000_000.0);
     let target_percent_report = broker
@@ -860,6 +1136,7 @@ fn broker_uses_day_open_price_for_open_auction_matching() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -963,6 +1240,7 @@ fn broker_open_auction_uses_auction_volume_without_quote_liquidity() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1063,6 +1341,7 @@ fn broker_cancels_buy_when_open_hits_upper_limit() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1175,6 +1454,7 @@ fn broker_applies_price_ratio_slippage_on_snapshot_fills() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1218,6 +1498,111 @@ fn broker_applies_price_ratio_slippage_on_snapshot_fills() {
     assert!((report.fill_events[0].price - 10.1).abs() < 1e-9);
 }
 
+#[test]
+fn broker_applies_dynamic_slippage_on_snapshot_fills() {
+    let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
+    let data = DataSet::from_components(
+        vec![Instrument {
+            symbol: "000002.SZ".to_string(),
+            name: "Test".to_string(),
+            board: "SZ".to_string(),
+            round_lot: 100,
+            listed_at: None,
+            delisted_at: None,
+            status: "active".to_string(),
+        }],
+        vec![DailyMarketSnapshot {
+            date,
+            symbol: "000002.SZ".to_string(),
+            timestamp: Some("2024-01-10 10:18:00".to_string()),
+            day_open: 10.0,
+            open: 10.0,
+            high: 10.1,
+            low: 9.9,
+            close: 10.0,
+            last_price: 10.0,
+            bid1: 9.99,
+            ask1: 10.01,
+            prev_close: 10.0,
+            volume: 100_000,
+            tick_volume: 100_000,
+            bid1_volume: 80_000,
+            ask1_volume: 80_000,
+            trading_phase: Some("continuous".to_string()),
+            paused: false,
+            upper_limit: 11.0,
+            lower_limit: 9.0,
+            price_tick: 0.01,
+        }],
+        vec![DailyFactorSnapshot {
+            date,
+            symbol: "000002.SZ".to_string(),
+            market_cap_bn: 50.0,
+            free_float_cap_bn: 45.0,
+            pe_ttm: 15.0,
+            turnover_ratio: Some(2.0),
+            effective_turnover_ratio: Some(1.8),
+            extra_factors: BTreeMap::new(),
+        }],
+        vec![CandidateEligibility {
+            date,
+            symbol: "000002.SZ".to_string(),
+            is_st: false,
+            is_new_listing: false,
+            is_paused: false,
+            allow_buy: true,
+            allow_sell: true,
+            is_kcb: false,
+            is_one_yuan: false,
+            risk_level_code: None,
+        }],
+        vec![BenchmarkSnapshot {
+            date,
+            benchmark: "000300.SH".to_string(),
+            open: 100.0,
+            close: 100.0,
+            prev_close: 99.0,
+            volume: 1_000_000,
+        }],
+    )
+    .expect("dataset");
+    let mut portfolio = PortfolioState::new(1_000_000.0);
+    let broker = BrokerSimulator::new_with_execution_price(
+        ChinaAShareCostModel::default(),
+        ChinaEquityRuleHooks::default(),
+        PriceField::Open,
+    )
+    .with_slippage_model(SlippageModel::Dynamic(DynamicSlippageConfig::new(
+        0.5, 0.3, 0.1,
+    )));
+
+    let report = broker
+        .execute(
+            date,
+            &mut portfolio,
+            &data,
+            &StrategyDecision {
+                rebalance: false,
+                target_weights: BTreeMap::new(),
+                exit_symbols: BTreeSet::new(),
+                order_intents: vec![OrderIntent::Value {
+                    symbol: "000002.SZ".to_string(),
+                    value: 100_000.0,
+                    reason: "dynamic_slippage".to_string(),
+                }],
+                notes: Vec::new(),
+                diagnostics: Vec::new(),
+            },
+        )
+        .expect("broker execution");
+
+    assert_eq!(report.fill_events.len(), 1);
+    let expected_ratio = ((10.0 * report.fill_events[0].quantity as f64) / (100_000.0 * 10.0))
+        * 0.5
+        + ((10.1 - 9.9) / 10.0) * 0.3;
+    assert!((report.fill_events[0].price - 10.0 * (1.0 + expected_ratio)).abs() < 1e-9);
+}
+
 #[test]
 fn broker_applies_tick_size_slippage_on_intraday_last_fills() {
     let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
@@ -1274,6 +1659,7 @@ fn broker_applies_tick_size_slippage_on_intraday_last_fills() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1287,7 +1673,7 @@ fn broker_applies_tick_size_slippage_on_intraday_last_fills() {
         vec![IntradayExecutionQuote {
             date,
             symbol: "000002.SZ".to_string(),
-            timestamp: date.and_hms_opt(10, 18, 3).unwrap(),
+            timestamp: date.and_hms_opt(10, 18, 0).unwrap(),
             last_price: 10.0,
             bid1: 9.99,
             ask1: 10.01,
@@ -1330,6 +1716,9 @@ fn broker_applies_tick_size_slippage_on_intraday_last_fills() {
 
     assert_eq!(report.fill_events.len(), 1);
     assert!((report.fill_events[0].price - 10.02).abs() < 1e-9);
+    let position = portfolio.position("000002.SZ").expect("position");
+    assert!((position.last_price - 10.0).abs() < 1e-9);
+    assert!((position.market_value() - position.quantity as f64 * 10.0).abs() < 1e-6);
 }
 
 #[test]
@@ -1388,6 +1777,7 @@ fn broker_rejects_intraday_last_order_without_execution_quotes() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1433,11 +1823,127 @@ fn broker_rejects_intraday_last_order_without_execution_quotes() {
     assert!(
         report.order_events[0]
             .reason
-            .contains("no execution quotes after start")
+            .contains("no execution quotes at or before start")
     );
     assert!(portfolio.position("000002.SZ").is_none());
 }
 
+#[test]
+fn broker_executes_intraday_last_on_start_quote_without_trade_delta() {
+    let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
+    let data = DataSet::from_components_with_actions_and_quotes(
+        vec![Instrument {
+            symbol: "000002.SZ".to_string(),
+            name: "Test".to_string(),
+            board: "SZ".to_string(),
+            round_lot: 100,
+            listed_at: None,
+            delisted_at: None,
+            status: "active".to_string(),
+        }],
+        vec![DailyMarketSnapshot {
+            date,
+            symbol: "000002.SZ".to_string(),
+            timestamp: Some("2024-01-10 09:33:00".to_string()),
+            day_open: 15.0,
+            open: 15.0,
+            high: 15.5,
+            low: 14.8,
+            close: 15.2,
+            last_price: 15.2,
+            bid1: 15.19,
+            ask1: 15.21,
+            prev_close: 15.0,
+            volume: 100_000,
+            tick_volume: 100_000,
+            bid1_volume: 80_000,
+            ask1_volume: 80_000,
+            trading_phase: Some("continuous".to_string()),
+            paused: false,
+            upper_limit: 16.5,
+            lower_limit: 13.5,
+            price_tick: 0.01,
+        }],
+        vec![DailyFactorSnapshot {
+            date,
+            symbol: "000002.SZ".to_string(),
+            market_cap_bn: 50.0,
+            free_float_cap_bn: 45.0,
+            pe_ttm: 15.0,
+            turnover_ratio: Some(2.0),
+            effective_turnover_ratio: Some(1.8),
+            extra_factors: BTreeMap::new(),
+        }],
+        vec![CandidateEligibility {
+            date,
+            symbol: "000002.SZ".to_string(),
+            is_st: false,
+            is_new_listing: false,
+            is_paused: false,
+            allow_buy: true,
+            allow_sell: true,
+            is_kcb: false,
+            is_one_yuan: false,
+            risk_level_code: None,
+        }],
+        vec![BenchmarkSnapshot {
+            date,
+            benchmark: "000300.SH".to_string(),
+            open: 100.0,
+            close: 100.0,
+            prev_close: 99.0,
+            volume: 1_000_000,
+        }],
+        Vec::new(),
+        vec![IntradayExecutionQuote {
+            date,
+            symbol: "000002.SZ".to_string(),
+            timestamp: date.and_hms_opt(9, 33, 0).unwrap(),
+            last_price: 15.2,
+            bid1: 15.19,
+            ask1: 15.21,
+            bid1_volume: 8,
+            ask1_volume: 8,
+            volume_delta: 0,
+            amount_delta: 0.0,
+            trading_phase: Some("continuous".to_string()),
+        }],
+    )
+    .expect("dataset");
+    let mut portfolio = PortfolioState::new(1_000_000.0);
+    let broker = BrokerSimulator::new_with_execution_price(
+        ChinaAShareCostModel::default(),
+        ChinaEquityRuleHooks::default(),
+        PriceField::Last,
+    )
+    .with_intraday_execution_start_time(chrono::NaiveTime::from_hms_opt(9, 33, 0).unwrap());
+
+    let report = broker
+        .execute(
+            date,
+            &mut portfolio,
+            &data,
+            &StrategyDecision {
+                rebalance: false,
+                target_weights: BTreeMap::new(),
+                exit_symbols: BTreeSet::new(),
+                order_intents: vec![OrderIntent::Value {
+                    symbol: "000002.SZ".to_string(),
+                    value: 4_000.0,
+                    reason: "start_quote".to_string(),
+                }],
+                notes: Vec::new(),
+                diagnostics: Vec::new(),
+            },
+        )
+        .expect("broker execution");
+
+    assert_eq!(report.fill_events.len(), 1);
+    assert_eq!(report.fill_events[0].quantity, 200);
+    assert!((report.fill_events[0].price - 15.2).abs() < 1e-9);
+    assert_eq!(report.order_events[0].status, OrderStatus::Filled);
+}
+
 #[test]
 fn broker_cancels_market_order_remainder_when_intraday_quote_liquidity_exhausted() {
     let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
@@ -1494,6 +2000,7 @@ fn broker_cancels_market_order_remainder_when_intraday_quote_liquidity_exhausted
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1507,7 +2014,7 @@ fn broker_cancels_market_order_remainder_when_intraday_quote_liquidity_exhausted
         vec![IntradayExecutionQuote {
             date,
             symbol: "000002.SZ".to_string(),
-            timestamp: date.and_hms_opt(10, 18, 3).unwrap(),
+            timestamp: date.and_hms_opt(10, 18, 0).unwrap(),
             last_price: 10.02,
             bid1: 10.01,
             ask1: 10.03,
@@ -1621,6 +2128,7 @@ fn broker_cancels_market_buy_when_tick_has_no_volume() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1724,6 +2232,7 @@ fn broker_splits_intraday_quote_fills_and_tracks_commission_by_order() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -1884,6 +2393,7 @@ fn broker_aggregates_intraday_quote_fills_into_vwap_leg() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -2028,6 +2538,7 @@ fn broker_executes_algo_vwap_value_with_time_window() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -2185,6 +2696,7 @@ fn broker_executes_algo_twap_percent_across_window_quotes() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -2256,7 +2768,7 @@ fn broker_executes_algo_twap_percent_across_window_quotes() {
                 exit_symbols: BTreeSet::new(),
                 order_intents: vec![OrderIntent::AlgoPercent {
                     symbol: "000002.SZ".to_string(),
-                    percent: 0.0036,
+                    percent: 0.0037,
                     style: AlgoOrderStyle::Twap,
                     start_time: Some(NaiveTime::from_hms_opt(10, 0, 0).unwrap()),
                     end_time: Some(NaiveTime::from_hms_opt(10, 30, 0).unwrap()),
@@ -2344,6 +2856,7 @@ fn broker_uses_best_own_price_for_intraday_matching() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -2458,6 +2971,7 @@ fn broker_uses_best_counterparty_price_for_intraday_matching() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -2622,6 +3136,7 @@ fn rebalance_optimizer_skips_unfunded_buy_when_existing_position_cannot_sell() {
                 allow_sell: false,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date,
@@ -2633,6 +3148,7 @@ fn rebalance_optimizer_skips_unfunded_buy_when_existing_position_cannot_sell() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![BenchmarkSnapshot {
@@ -2809,6 +3325,7 @@ fn rebalance_uses_prev_close_for_open_auction_valuation() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date,
@@ -2820,6 +3337,7 @@ fn rebalance_uses_prev_close_for_open_auction_valuation() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![BenchmarkSnapshot {
@@ -2990,6 +3508,7 @@ fn rebalance_optimizer_prioritizes_higher_target_weight_when_cash_is_tight() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date,
@@ -3001,6 +3520,7 @@ fn rebalance_optimizer_prioritizes_higher_target_weight_when_cash_is_tight() {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![BenchmarkSnapshot {
@@ -3126,6 +3646,7 @@ fn broker_uses_board_specific_min_quantity_and_step_size_for_buy_sizing() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -3224,6 +3745,7 @@ fn broker_allows_bjse_quantities_above_minimum_without_round_lot_step() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -3324,6 +3846,7 @@ fn broker_allows_full_odd_lot_sell_when_liquidating_position() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,
@@ -3438,6 +3961,7 @@ fn same_day_sell_then_rebuy_reinserts_position_at_end() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         })
         .collect::<Vec<_>>();
     let data = DataSet::from_components(
@@ -3605,6 +4129,7 @@ fn two_day_limit_order_data(day1_open: f64, day2_open: f64) -> DataSet {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
             CandidateEligibility {
                 date: day2,
@@ -3616,6 +4141,7 @@ fn two_day_limit_order_data(day1_open: f64, day2_open: f64) -> DataSet {
                 allow_sell: true,
                 is_kcb: false,
                 is_one_yuan: false,
+                risk_level_code: None,
             },
         ],
         vec![
@@ -3748,6 +4274,50 @@ fn broker_uses_limit_price_slippage_for_limit_orders() {
     assert!((report.fill_events[0].price - 10.1).abs() < 1e-9);
 }
 
+#[test]
+fn broker_rejects_limit_buy_when_final_execution_price_reaches_upper_limit() {
+    let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
+    let data = two_day_limit_order_data(10.0, 10.2);
+    let broker = BrokerSimulator::new_with_execution_price(
+        ChinaAShareCostModel::default(),
+        ChinaEquityRuleHooks::default(),
+        PriceField::Open,
+    )
+    .with_slippage_model(SlippageModel::LimitPrice);
+    let mut portfolio = PortfolioState::new(1_000_000.0);
+
+    let report = broker
+        .execute(
+            date,
+            &mut portfolio,
+            &data,
+            &StrategyDecision {
+                rebalance: false,
+                target_weights: BTreeMap::new(),
+                exit_symbols: BTreeSet::new(),
+                order_intents: vec![OrderIntent::LimitShares {
+                    symbol: "000002.SZ".to_string(),
+                    quantity: 200,
+                    limit_price: 11.0,
+                    reason: "limit_entry_at_upper_limit".to_string(),
+                }],
+                notes: Vec::new(),
+                diagnostics: Vec::new(),
+            },
+        )
+        .expect("broker execution");
+
+    assert!(report.fill_events.is_empty());
+    assert_eq!(report.order_events.len(), 1);
+    assert_eq!(report.order_events[0].status, OrderStatus::Canceled);
+    assert!(
+        report.order_events[0]
+            .reason
+            .contains("open at or above upper limit")
+    );
+    assert!(portfolio.position("000002.SZ").is_none());
+}
+
 #[test]
 fn broker_executes_limit_value_and_limit_percent_intents() {
     let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
@@ -3969,6 +4539,7 @@ fn broker_reserves_sellable_quantity_for_open_limit_sells() {
             allow_sell: true,
             is_kcb: false,
             is_one_yuan: false,
+            risk_level_code: None,
         }],
         vec![BenchmarkSnapshot {
             date,