Add Random direction option — picks Buy or Sell once per batch

All accounts in the same batch trade the same resolved direction.
Each new batch (after positions are flat) picks a fresh random direction.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/api/trade/route.ts

@@ -4,7 +4,7 @@ import { POINT_VALUES } from '@/lib/trading-logic';
 
 export async function POST(req: NextRequest) {
     try {
-        const body = await req.json() as { action: 'Buy' | 'Sell'; symbol: string };
+        const body = await req.json() as { action: 'Buy' | 'Sell' | 'Random'; symbol: string };
         const { action, symbol } = body;
 
         if (!action || !symbol) {

app/page.tsx

@@ -247,7 +247,7 @@ function FirmRows({ state, firm, deleteMode, selected, onToggle, hideDead, priva
 
 interface SchedulerStatus {
     running: boolean;
-    action: 'Buy' | 'Sell';
+    action: 'Buy' | 'Sell' | 'Random';
     symbol: string;
     lastRun: string | null;
 }
@@ -267,7 +267,7 @@ export default function Home() {
     const [scheduler, setScheduler] = useState<SchedulerStatus>({ running: false, action: 'Buy', symbol: 'NQ', lastRun: null });
     const [enabledSymbols, setEnabledSymbols] = useState<string[]>([]);
     const [tradeSymbol, setTradeSymbol] = useState('');
-    const [tradeAction, setTradeAction] = useState<'Buy' | 'Sell'>('Buy');
+    const [tradeAction, setTradeAction] = useState<'Buy' | 'Sell' | 'Random'>('Buy');
     const [tradeLoading, setTradeLoading] = useState(false);
 
     const handleSort = (col: SortKey) => {
@@ -487,6 +487,12 @@ export default function Home() {
                                     >
                                         Sell
                                     </button>
+                                    <button
+                                        onClick={() => setTradeAction('Random')}
+                                        className={`px-3 py-1.5 transition-colors border-l border-slate-200 ${tradeAction === 'Random' ? 'bg-purple-500 text-white' : 'text-slate-500 hover:bg-slate-50'}`}
+                                    >
+                                        Random
+                                    </button>
                                 </div>
                             </div>
                             <button

lib/auto-trade.ts

@@ -65,11 +65,15 @@ function isInNoTradeWindow(): boolean {
 
 // ── core trade logic ──────────────────────────────────────────────────────────
 
-export async function runTrade(action: 'Buy' | 'Sell', symbol: string) {
+export async function runTrade(action: 'Buy' | 'Sell' | 'Random', symbol: string) {
     if (isInNoTradeWindow()) {
         console.log('[auto-trade] no-trade window active (3–5 PM Central) — skipping');
         return [];
     }
+    // Resolve Random once per batch so all accounts trade the same direction
+    const resolvedAction: 'Buy' | 'Sell' = action === 'Random'
+        ? (Math.random() < 0.5 ? 'Buy' : 'Sell')
+        : action;
     const pointValue = POINT_VALUES[symbol];
     if (!pointValue) throw new Error(`Unknown symbol: ${symbol}`);
 
@@ -159,8 +163,8 @@ export async function runTrade(action: 'Buy' | 'Sell', symbol: string) {
             const mnqContract = await client.findFrontMonthContract('MNQ');
             if (!mnqContract) throw new Error('MNQ contract not found for extra-day trade');
 
-            const fill = await client.sendOrder(acc.id, mnqContract.name, 1, action, 'Market');
+            const fill = await client.sendOrder(acc.id, mnqContract.name, 1, resolvedAction, 'Market');
-            const exitAction: 'Buy' | 'Sell' = action === 'Buy' ? 'Sell' : 'Buy';
+            const exitAction: 'Buy' | 'Sell' = resolvedAction === 'Buy' ? 'Sell' : 'Buy';
             const exitFill = await client.sendOrder(acc.id, mnqContract.name, 1, exitAction, 'Market');
 
             // Refresh daily P&L immediately after the extra-day round-trip completes
@@ -168,7 +172,7 @@ export async function runTrade(action: 'Buy' | 'Sell', symbol: string) {
                 console.error('[auto-trade] post-fill fetchDaysTraded error:', err)
             );
 
-            console.log(`[auto-trade] ${acc.name} (${item.firmName}) extra-day: ${action} 1xMNQ @ ${fill.price} | exited @ ${exitFill.price} (market)`);
+            console.log(`[auto-trade] ${acc.name} (${item.firmName}) extra-day: ${resolvedAction} 1xMNQ @ ${fill.price} | exited @ ${exitFill.price} (market)`);
 
             return {
                 account: acc.name,
@@ -189,7 +193,7 @@ export async function runTrade(action: 'Buy' | 'Sell', symbol: string) {
 
         const rawContracts = Math.max(1, Math.ceil(target.amount / 1000));
         const contracts = cfg.maxPositionSize > 0 ? Math.min(rawContracts, cfg.maxPositionSize) : rawContracts;
-        const fill = await client.sendOrder(acc.id, contract.name, contracts, action, 'Market');
+        const fill = await client.sendOrder(acc.id, contract.name, contracts, resolvedAction, 'Market');
 
         // Wait briefly for the cash balance WebSocket update to reflect entry commission
         await new Promise(r => setTimeout(r, 1000));
@@ -202,11 +206,11 @@ export async function runTrade(action: 'Buy' | 'Sell', symbol: string) {
 
         const targetPoints = grossTarget / (pointValue * contracts);
         const ticks = Math.ceil(targetPoints / contract.tickSize);
-        const exitPrice = action === 'Buy'
+        const exitPrice = resolvedAction === 'Buy'
             ? fill.price + (ticks * contract.tickSize)
             : fill.price - (ticks * contract.tickSize);
 
-        const exitAction: 'Buy' | 'Sell' = action === 'Buy' ? 'Sell' : 'Buy';
+        const exitAction: 'Buy' | 'Sell' = resolvedAction === 'Buy' ? 'Sell' : 'Buy';
         const exitOrder = await client.placeOrderNoWait(acc.id, contract.name, contracts, exitAction, 'Limit', exitPrice);
 
         // Refresh daily P&L as soon as the exit limit order fills
@@ -218,7 +222,7 @@ export async function runTrade(action: 'Buy' | 'Sell', symbol: string) {
             });
         }
 
-        console.log(`[auto-trade] ${acc.name} (${item.firmName}) ${action} ${contracts}x${symbol} @ ${fill.price} | target $${target.amount} [${target.path}] (+$${totalCommission.toFixed(2)} comm) | exit @ ${exitPrice} (orderId=${exitOrder.orderId})`);
+        console.log(`[auto-trade] ${acc.name} (${item.firmName}) ${resolvedAction} ${contracts}x${symbol} @ ${fill.price} | target $${target.amount} [${target.path}] (+$${totalCommission.toFixed(2)} comm) | exit @ ${exitPrice} (orderId=${exitOrder.orderId})`);
 
         return {
             account: acc.name,
@@ -254,7 +258,7 @@ export async function runTrade(action: 'Buy' | 'Sell', symbol: string) {
 // ── scheduler ─────────────────────────────────────────────────────────────────
 
 interface SchedulerState {
-    action: 'Buy' | 'Sell';
+    action: 'Buy' | 'Sell' | 'Random';
     symbol: string;
     intervalId: ReturnType<typeof setInterval> | null;
     lastRun: Date | null;
@@ -271,7 +275,7 @@ function getState(): SchedulerState {
     return _global.__autoTrader;
 }
 
-export function startScheduler(action: 'Buy' | 'Sell', symbol: string) {
+export function startScheduler(action: 'Buy' | 'Sell' | 'Random', symbol: string) {
     const state = getState();
 
     // Clear any existing interval