diff --git a/.gitea/workflows/snapshot_admin.yml b/.gitea/workflows/snapshot_admin.yml
new file mode 100644
index 00000000..bca8fff5
--- /dev/null
+++ b/.gitea/workflows/snapshot_admin.yml
@@ -0,0 +1,22 @@
+name: Snapshot Admin Validation
+
+on:
+  push:
+    paths:
+      - "src/quant_engine/snapshot_admin_*.py"
+      - "tools/validate_snapshot_admin_*.py"
+      - "tests/unit/test_snapshot_admin_*.py"
+      - ".gitea/workflows/snapshot_admin.yml"
+  workflow_dispatch:
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Python dependencies
+        run: python3 -m pip install --disable-pip-version-check --quiet pyyaml pytest
+      - name: Validate snapshot admin workflow
+        run: python3 tools/validate_snapshot_admin_workflow_v1.py
+      - name: Run snapshot admin tests
+        run: python3 -m pytest tests/unit/test_snapshot_admin_store_v1.py tests/unit/test_snapshot_admin_web_v1.py -q
diff --git a/src/quant_engine/snapshot_admin_store_v1.py b/src/quant_engine/snapshot_admin_store_v1.py
index 780b19aa..2dddc3a6 100644
--- a/src/quant_engine/snapshot_admin_store_v1.py
+++ b/src/quant_engine/snapshot_admin_store_v1.py
@@ -908,6 +908,8 @@ def validate_account_snapshot_rows(rows: list[dict[str, Any]]) -> list[str]:
             errors.append(f"account_snapshot row {idx}: invalid account_type {account_type!r}")
         if not ticker and name != "예수금/D+2현금":
             errors.append(f"account_snapshot row {idx}: ticker required")
+        if ticker and not re.fullmatch(r"(?:\d{6}|[A-Z0-9]{6}|[A-Z]{1,5})", ticker):
+            errors.append(f"account_snapshot row {idx}: ticker must be 6 digits or an uppercase symbol")
         if not name:
             errors.append(f"account_snapshot row {idx}: name required")
         if parse_status not in ALLOWED_PARSE_STATUS:
@@ -936,7 +938,7 @@ def validate_account_snapshot_rows(rows: list[dict[str, Any]]) -> list[str]:
             errors.append(f"account_snapshot row {idx}: CAPTURE_READ_OK rows require user_confirmed=Y")
         if entry_stage and canonical.get("entry_stage", {}).get("allowed") and entry_stage not in canonical["entry_stage"]["allowed"]:
             errors.append(f"account_snapshot row {idx}: invalid entry_stage {entry_stage!r}")
-        if position_type and canonical.get("position_type", {}).get("allowed") and position_type not in canonical["position_type"]["allowed"]:
+        if position_type and name != "예수금/D+2현금" and canonical.get("position_type", {}).get("allowed") and position_type not in canonical["position_type"]["allowed"]:
             errors.append(f"account_snapshot row {idx}: invalid position_type {position_type!r}")
     return errors
 
diff --git a/tests/unit/test_snapshot_admin_store_v1.py b/tests/unit/test_snapshot_admin_store_v1.py
index 0f8d78ce..53a11af5 100644
--- a/tests/unit/test_snapshot_admin_store_v1.py
+++ b/tests/unit/test_snapshot_admin_store_v1.py
@@ -223,7 +223,7 @@ def test_validation_helpers_detect_invalid_rows():
     assert "account_snapshot row 1: ticker required" in validate_account_snapshot_rows(
         [{"captured_at": "2026-06-21", "account": "real", "name": "삼성전자", "parse_status": "BAD"}]
     )
-    assert "account_snapshot row 1: ticker must be 6 digits" in validate_account_snapshot_rows(
+    assert "account_snapshot row 1: ticker must be 6 digits or an uppercase symbol" in validate_account_snapshot_rows(
         [{"captured_at": "2026-06-21", "account": "real", "account_type": "일반계좌", "ticker": "5930", "name": "삼성전자", "parse_status": "NOT_PROVIDED"}]
     )
     assert "account_snapshot row 1: holding_quantity must be >= 0" in validate_account_snapshot_rows(