diff --git a/crates/fidc-core/src/platform_expr_strategy.rs b/crates/fidc-core/src/platform_expr_strategy.rs
index 74ac5ce..030b3b1 100644
--- a/crates/fidc-core/src/platform_expr_strategy.rs
+++ b/crates/fidc-core/src/platform_expr_strategy.rs
@@ -3041,7 +3041,9 @@ impl PlatformExprStrategy {
 
         let market = ctx.data.require_market(date, symbol)?;
         let feature_market = ctx.data.market(factor_date, symbol).unwrap_or(market);
-        let intraday_same_day_factor = self.config.aiquant_transaction_cost && factor_date == date;
+        let intraday_same_day_factor = self.config.aiquant_transaction_cost
+            && factor_date == date
+            && !ctx.is_lagged_execution();
         let decision_quote = if use_intraday_quote {
             self.aiquant_scheduled_quote_at_time(ctx, date, symbol, execution_time)
         } else {
@@ -18234,7 +18236,7 @@ mod tests {
                     pe_ttm: 8.0,
                     turnover_ratio: Some(1.0),
                     effective_turnover_ratio: Some(1.0),
-                    extra_factors: BTreeMap::new(),
+                    extra_factors: BTreeMap::from([("amount".to_string(), 30_000_000.0)]),
                 },
                 DailyFactorSnapshot {
                     date: decision_date,
@@ -18368,6 +18370,11 @@ mod tests {
         cfg.exposure_expr = "1.0".to_string();
         let mut strategy = PlatformExprStrategy::new(cfg);
 
+        let decision_day_state = strategy
+            .stock_state_with_factor_date(&ctx, decision_date, decision_date, limit_symbol)
+            .expect("next-open decision state");
+        assert_eq!(decision_day_state.amount, 30_000_000.0);
+
         let decision = strategy.on_day(&ctx).expect("platform decision");
 
         assert!(