diff --git a/crates/fidc-core/src/platform_strategy_spec.rs b/crates/fidc-core/src/platform_strategy_spec.rs
index a255472..bbdf381 100644
--- a/crates/fidc-core/src/platform_strategy_spec.rs
+++ b/crates/fidc-core/src/platform_strategy_spec.rs
@@ -1001,6 +1001,22 @@ fn normalize_model_name(value: &str) -> String {
     value.trim().to_ascii_lowercase().replace('-', "_")
 }
 
+fn normalize_slippage_model_name(value: &str) -> String {
+    match normalize_model_name(value).as_str() {
+        "percent"
+        | "percentage"
+        | "rate"
+        | "ratio"
+        | "price_percent"
+        | "price_percentage"
+        | "price_rate"
+        | "price_ratio_slippage"
+        | "priceratioslippage" => "price_ratio".to_string(),
+        "dynamic_volume_volatility" => "dynamic".to_string(),
+        other => other.to_string(),
+    }
+}
+
 fn parse_matching_type(value: Option<&str>) -> Result<Option<MatchingType>, String> {
     let Some(raw) = value.map(str::trim).filter(|item| !item.is_empty()) else {
         return Ok(None);
@@ -1047,7 +1063,7 @@ fn parse_slippage_model(
     let volatility_coefficient = valid_non_negative(volatility_coefficient);
     let max_value = valid_non_negative(max_value);
     let model = model
-        .map(normalize_model_name)
+        .map(normalize_slippage_model_name)
         .filter(|item| !item.is_empty())
         .unwrap_or_else(|| {
             if value.is_some_and(|item| item > 0.0) {
@@ -1062,13 +1078,11 @@ fn parse_slippage_model(
         "price_ratio" => Some(SlippageModel::PriceRatio(value.unwrap_or(0.0))),
         "tick_size" => Some(SlippageModel::TickSize(value.unwrap_or(0.0))),
         "limit_price" => Some(SlippageModel::LimitPrice),
-        "dynamic" | "dynamic_volume_volatility" => {
-            Some(SlippageModel::Dynamic(DynamicSlippageConfig::new(
-                impact_coefficient.unwrap_or(0.5),
-                volatility_coefficient.unwrap_or(0.3),
-                max_value.or(value).unwrap_or(0.01),
-            )))
-        }
+        "dynamic" => Some(SlippageModel::Dynamic(DynamicSlippageConfig::new(
+            impact_coefficient.unwrap_or(0.5),
+            volatility_coefficient.unwrap_or(0.3),
+            max_value.or(value).unwrap_or(0.01),
+        ))),
         _ => None,
     }
 }
@@ -2718,6 +2732,20 @@ mod tests {
         assert!(cfg.strict_value_budget);
     }
 
+    #[test]
+    fn parses_percent_slippage_alias_into_platform_config() {
+        let spec = serde_json::json!({
+            "execution": {
+                "slippageModel": "percent",
+                "slippageValue": 0.001
+            }
+        });
+
+        let cfg = platform_expr_config_from_value("", "", &spec).expect("config");
+
+        assert_eq!(cfg.slippage_model, SlippageModel::PriceRatio(0.001));
+    }
+
     #[test]
     fn parses_rebalance_cash_mode_and_forces_minute_to_actual_sequence() {
         let spec = serde_json::json!({