diff --git a/application/paper_liquidation_service.py b/application/paper_liquidation_service.py
index 347fd75..86651ae 100644
--- a/application/paper_liquidation_service.py
+++ b/application/paper_liquidation_service.py
@@ -6,6 +6,18 @@
 from typing import Any
 
 
+ACCEPTED_ORDER_STATUSES = {
+    "PendingSubmit",
+    "ApiPending",
+    "ApiPendingSubmit",
+    "Submitted",
+    "PreSubmitted",
+    "Filled",
+    "PartiallyFilled",
+    "Partial",
+}
+
+
 def _position_symbol(position: Any, *, fallback: str | None = None) -> str:
     if isinstance(position, dict):
         return str(position.get("symbol") or fallback or "").strip().upper()
@@ -88,7 +100,7 @@ def execute_paper_liquidation(
         report = submit_order_intent(ib, intent)
         payload = _report_to_dict(report)
         status = str(payload.get("status") or "")
-        if status in {"Submitted", "PreSubmitted", "Filled", "PartiallyFilled", "Partial"}:
+        if status in ACCEPTED_ORDER_STATUSES:
             summary["orders_submitted"].append(payload)
         else:
             summary["orders_skipped"].append({**payload, "reason": status or "submit_failed"})
diff --git a/tests/test_paper_liquidation_service.py b/tests/test_paper_liquidation_service.py
index 8ce8939..b0c17da 100644
--- a/tests/test_paper_liquidation_service.py
+++ b/tests/test_paper_liquidation_service.py
@@ -90,3 +90,26 @@ def submit(_ib, intent):
     assert [(intent.symbol, intent.side, intent.quantity) for intent in submitted] == [("AAPL", "sell", 3)]
     assert summary["execution_status"] == "submitted"
     assert summary["orders_submitted"][0]["symbol"] == "AAPL"
+
+
+def test_execute_paper_liquidation_treats_pending_submit_as_submitted():
+    def submit(_ib, intent):
+        return SimpleNamespace(
+            symbol=intent.symbol,
+            side=intent.side,
+            quantity=intent.quantity,
+            status="PendingSubmit",
+            broker_order_id="1",
+        )
+
+    summary = execute_paper_liquidation(
+        object(),
+        {"AAPL": {"symbol": "AAPL", "quantity": 3}},
+        submit_order_intent=submit,
+        order_intent_cls=OrderIntent,
+        dry_run_only=False,
+    )
+
+    assert summary["execution_status"] == "submitted"
+    assert summary["orders_submitted"][0]["status"] == "PendingSubmit"
+    assert summary["orders_skipped"] == []