From c911e79d88106ab18b1690e703ef910363580708 Mon Sep 17 00:00:00 2001
From: boris <shuaibo.zhang@hotmail.com>
Date: Sat, 4 Jul 2026 05:51:35 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E9=BD=90=E5=BB=B6=E8=BF=9F=E6=92=AE?=
 =?UTF-8?q?=E5=90=88=E9=80=89=E8=82=A1=E9=A3=8E=E6=8E=A7=E6=B5=8B=E8=AF=95?=
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---
 crates/fidc-core/src/universe.rs | 48 ++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/crates/fidc-core/src/universe.rs b/crates/fidc-core/src/universe.rs
index af57370..8dbc2e0 100644
--- a/crates/fidc-core/src/universe.rs
+++ b/crates/fidc-core/src/universe.rs
@@ -431,4 +431,52 @@ mod tests {
                 .starts_with("risk_decision=")
         );
     }
+
+    #[test]
+    fn selector_defers_static_execution_risk_for_lagged_execution() {
+        let data = DataSet::from_components(
+            vec![
+                instrument("000001.SZ"),
+                instrument("688001.SH"),
+                instrument("000002.SZ"),
+            ],
+            vec![
+                market("000001.SZ", 10.0),
+                market("688001.SH", 10.0),
+                market("000002.SZ", 10.0),
+            ],
+            vec![
+                factor("000001.SZ", 8.0),
+                factor("688001.SH", 9.0),
+                factor("000002.SZ", 10.0),
+            ],
+            vec![
+                candidate("000001.SZ", true, false),
+                candidate("688001.SH", false, true),
+                candidate("000002.SZ", false, false),
+            ],
+            vec![benchmark()],
+        )
+        .unwrap();
+        let selector = DynamicMarketCapBandSelector::new(2000.0, 7.0, 10.0, 0.0, 10, 0.0, 0.0, 0.0);
+        let (selected, diagnostics) = selector.select_with_diagnostics(&SelectionContext {
+            decision_date: d(),
+            benchmark: &benchmark(),
+            reference_level: 2000.0,
+            data: &data,
+            dynamic_universe: None,
+            risk_config: Some(&FidcRiskControlConfig::default()),
+            defer_selection_risk: true,
+        });
+
+        let selected_symbols = selected
+            .iter()
+            .map(|candidate| candidate.symbol.as_str())
+            .collect::<BTreeSet<_>>();
+        assert!(selected_symbols.contains("000001.SZ"));
+        assert!(selected_symbols.contains("688001.SH"));
+        assert!(selected_symbols.contains("000002.SZ"));
+        assert_eq!(diagnostics.not_eligible_count, 0);
+        assert!(diagnostics.risk_decisions.is_empty());
+    }
 }