diff --git a/lib/auto-trade.ts b/lib/auto-trade.ts
index 0ccd214..2180007 100644
--- a/lib/auto-trade.ts
+++ b/lib/auto-trade.ts
@@ -112,6 +112,20 @@ export async function runTrade(action: 'Buy' | 'Sell' | 'Auto', symbol: string)
         console.log('[auto-trade] CME market closed — skipping');
         return [];
     }
+
+    // Block if any account still has an open position (same gate as the scheduler tick)
+    const allClients = getClients();
+    const allFirms = getFirms();
+    const openPositions = allFirms.reduce((count, firm) => {
+        const c = allClients.get(firm.id);
+        if (!c) return count;
+        return count + c.accountList.filter(acc => !!c.positions[acc.id]).length;
+    }, 0);
+    if (openPositions > 0) {
+        console.log(`[auto-trade] ${openPositions} position(s) still open — skipping`);
+        return [];
+    }
+
     // Resolve 'Auto' symbol once per batch so all accounts trade the same symbol
     let resolvedSymbol = symbol;
     if (symbol === 'Auto') {