diff --git a/crates/fidc-core/src/platform_strategy_spec.rs b/crates/fidc-core/src/platform_strategy_spec.rs
index 2e026e1..e244c16 100644
--- a/crates/fidc-core/src/platform_strategy_spec.rs
+++ b/crates/fidc-core/src/platform_strategy_spec.rs
@@ -420,14 +420,9 @@ fn normalize_model_name(value: &str) -> String {
 
 fn parse_matching_type(value: Option<&str>) -> Option<MatchingType> {
     match normalize_model_name(value?).as_str() {
-        "open_auction" => Some(MatchingType::OpenAuction),
         "current_bar_close" => Some(MatchingType::CurrentBarClose),
         "next_bar_open" => Some(MatchingType::NextBarOpen),
         "minute_last" => Some(MatchingType::MinuteLast),
-        "minute_best_own" => Some(MatchingType::MinuteBestOwn),
-        "minute_best_counterparty" => Some(MatchingType::MinuteBestCounterparty),
-        "vwap" => Some(MatchingType::Vwap),
-        "twap" => Some(MatchingType::Twap),
         _ => None,
     }
 }
@@ -1675,6 +1670,48 @@ mod tests {
         assert!(cfg.strict_value_budget);
     }
 
+    #[test]
+    fn platform_spec_accepts_only_supported_matching_types() {
+        for (raw, expected) in [
+            ("current_bar_close", MatchingType::CurrentBarClose),
+            ("next_bar_open", MatchingType::NextBarOpen),
+            ("minute_last", MatchingType::MinuteLast),
+        ] {
+            let spec = serde_json::json!({
+                "execution": {
+                    "matchingType": raw
+                }
+            });
+
+            let cfg = platform_expr_config_from_value("", "", &spec).expect("config");
+
+            assert_eq!(cfg.matching_type, expected);
+        }
+
+        for raw in [
+            "open_auction",
+            "minute_best_own",
+            "minute_best_counterparty",
+            "vwap",
+            "twap",
+            "current_close",
+            "next_open",
+        ] {
+            let spec = serde_json::json!({
+                "execution": {
+                    "matchingType": raw
+                },
+                "engineConfig": {
+                    "matchingType": "current_bar_close"
+                }
+            });
+
+            let cfg = platform_expr_config_from_value("", "", &spec).expect("config");
+
+            assert_eq!(cfg.matching_type, MatchingType::CurrentBarClose);
+        }
+    }
+
     #[test]
     fn parses_dynamic_slippage_into_platform_config() {
         let spec = serde_json::json!({