diff --git a/crates/fidc-core/src/broker.rs b/crates/fidc-core/src/broker.rs
index a58f622..c6870f7 100644
--- a/crates/fidc-core/src/broker.rs
+++ b/crates/fidc-core/src/broker.rs
@@ -10758,14 +10758,16 @@ mod tests {
             Vec::new(), Vec::new(),
         ).unwrap();
         let mut portfolio = PortfolioState::new(20_000.0);
-        portfolio.position_mut("000001.SZ").buy(date.pred_opt().unwrap(), 1_000, 10.0);
-        portfolio.apply_cash_delta(-10_000.0).unwrap();
-        // Isolated broker fixture: these shares are an asset, but not delivered stock.
-        portfolio.position_mut("000001.SZ").share_receivables.push(crate::portfolio::ShareReceivable {
-            ex_date: date, record_date: date.pred_opt().unwrap(),
-            effective_date: date.succ_opt().unwrap(), quantity: 500,
-            holding_origin_date: date.pred_opt().unwrap(),
-        });
+        portfolio.position_mut("000001.SZ").buy(date.pred_opt().unwrap(), 1_000, 15.0);
+        portfolio.apply_cash_delta(-15_000.0).unwrap();
+        portfolio.record_closing_holdings(date.pred_opt().unwrap()).unwrap();
+        portfolio.register_share_entitlement(&crate::CorporateAction {
+            date, symbol: "000001.SZ".into(), record_date: date.pred_opt(),
+            share_effective_date: date.succ_opt(), share_rounding_rule: None,
+            payable_date: None, share_cash: 0.0, share_bonus: 0.5, share_gift: 0.0,
+            issue_quantity: 0.0, issue_price: 0.0, reform: false, adjust_factor: None,
+            successor_symbol: None, successor_ratio: None, successor_cash: None,
+        }, Some(10.0)).unwrap();
         let mut report = BrokerExecutionReport::default();
         broker.process_target_value(date, &mut portfolio, &data, "000001.SZ", 15_000.0,
             "registered shares already meet target value", &mut BTreeMap::new(),
@@ -10779,7 +10781,7 @@ mod tests {
             &mut IntradayExecutionLedger::default(), &mut None, &mut BTreeMap::new(), &mut report).unwrap();
         assert!(report.order_events.is_empty());
         assert!(report.fill_events.is_empty());
-        assert_eq!(portfolio.cash(), 10_000.0);
+        assert_eq!(portfolio.cash(), 5_000.0);
         let position = portfolio.position("000001.SZ").unwrap();
         assert_eq!(position.quantity, 1_000);
         assert_eq!(position.share_receivable_quantity(), 500);