From 4132793219540d67a7de8182e88fd0ca4f284c45 Mon Sep 17 00:00:00 2001
From: boris <shuaibo.zhang@hotmail.com>
Date: Sun, 19 Jul 2026 08:44:11 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E9=80=80=E5=B8=82=E6=95=B4?=
 =?UTF-8?q?=E7=90=86=E6=9C=9F=E4=BA=A4=E6=98=93=E7=8A=B6=E6=80=81=E5=88=A4?=
 =?UTF-8?q?=E5=AE=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 crates/fidc-core/src/risk_control.rs | 41 +++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/crates/fidc-core/src/risk_control.rs b/crates/fidc-core/src/risk_control.rs
index b5cbc2e..99c26d5 100644
--- a/crates/fidc-core/src/risk_control.rs
+++ b/crates/fidc-core/src/risk_control.rs
@@ -199,7 +199,7 @@ impl ChinaAShareRiskControl {
         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");
         }
@@ -765,6 +765,45 @@ mod tests {
         NaiveDate::from_ymd_opt(year, month, day).expect("valid date")
     }
 
+    fn instrument(status: &str, delisted_at: Option<NaiveDate>) -> Instrument {
+        Instrument {
+            symbol: "002898.SZ".to_string(),
+            name: "赛隆退".to_string(),
+            board: "SZ".to_string(),
+            round_lot: 100,
+            listed_at: Some(d(2017, 9, 12)),
+            delisted_at,
+            status: status.to_string(),
+        }
+    }
+
+    #[test]
+    fn delisting_period_status_is_not_terminal_without_delisted_date() {
+        let date = d(2025, 3, 20);
+
+        assert_eq!(
+            ChinaAShareRiskControl::instrument_rejection_reason(
+                Some(&instrument("delisting", None)),
+                date,
+            ),
+            None
+        );
+        assert_eq!(
+            ChinaAShareRiskControl::instrument_rejection_reason(
+                Some(&instrument("delisted", None)),
+                date,
+            ),
+            Some("inactive_or_delisted")
+        );
+        assert_eq!(
+            ChinaAShareRiskControl::instrument_rejection_reason(
+                Some(&instrument("delisting", Some(d(2026, 7, 20)))),
+                d(2026, 7, 20),
+            ),
+            Some("inactive_or_delisted")
+        );
+    }
+
     fn candidate(date: NaiveDate) -> CandidateEligibility {
         CandidateEligibility {
             date,