Add configurable trading hours setting

Dropdown on settings page with two options:
- Full CME (5:00 PM – 3:00 PM CT) with 5 min buffer
- Equity Hours (8:30 AM – 3:00 PM CT) with 5 min buffer
Setting is read live each tick, no restart needed.

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

app/api/settings/route.ts

@@ -1,7 +1,7 @@
 import { NextRequest, NextResponse } from 'next/server';
 import { getSetting, setSetting } from '@/lib/db';
 
-const VALID_KEYS = ['max_concurrent_accounts', 'tick_interval_seconds', 'master_dashboard_url', 'instance_name'] as const;
+const VALID_KEYS = ['max_concurrent_accounts', 'tick_interval_seconds', 'master_dashboard_url', 'instance_name', 'trading_hours'] as const;
 type SettingKey = typeof VALID_KEYS[number];
 
 export async function GET() {

app/settings/page.tsx

@@ -19,12 +19,14 @@ interface AppSettings {
     max_concurrent_accounts: string | null;
     master_dashboard_url: string | null;
     instance_name: string | null;
+    trading_hours: string | null;
 }
 
 export default function SettingsPage() {
     const [instruments, setInstruments] = useState<Instrument[]>([]);
     const [contracts, setContracts] = useState<Record<string, ResolvedContract | null>>({});
     const [maxConcurrent, setMaxConcurrent] = useState<string>('5');
+    const [tradingHours, setTradingHours] = useState<string>('full_cme');
     const [masterUrl, setMasterUrl] = useState<string>('');
     const [instanceName, setInstanceName] = useState<string>('');
     const [saving, setSaving] = useState(false);
@@ -41,6 +43,9 @@ export default function SettingsPage() {
                 if (s.max_concurrent_accounts != null) {
                     setMaxConcurrent(s.max_concurrent_accounts);
                 }
+                if (s.trading_hours != null) {
+                    setTradingHours(s.trading_hours);
+                }
                 if (s.master_dashboard_url != null) {
                     setMasterUrl(s.master_dashboard_url);
                 }
@@ -101,7 +106,7 @@ export default function SettingsPage() {
         await fetch('/api/settings', {
             method: 'PATCH',
             headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ max_concurrent_accounts: maxConcurrent, master_dashboard_url: masterUrl, instance_name: instanceName }),
+            body: JSON.stringify({ max_concurrent_accounts: maxConcurrent, trading_hours: tradingHours, master_dashboard_url: masterUrl, instance_name: instanceName }),
         });
         setSaving(false);
         setSaved(true);
@@ -127,7 +132,7 @@ export default function SettingsPage() {
                     Trading
                 </h2>
                 <div className="bg-white border border-slate-200 rounded-xl shadow-sm mb-8">
-                    <div className="flex items-center justify-between px-4 py-3">
+                    <div className="flex items-center justify-between px-4 py-3 border-b border-slate-100">
                         <div>
                             <p className="text-sm font-medium text-slate-800">Max concurrent accounts</p>
                             <p className="text-xs text-slate-400 mt-0.5">
@@ -156,6 +161,22 @@ export default function SettingsPage() {
                             </button>
                         </div>
                     </div>
+                    <div className="flex items-center justify-between px-4 py-3">
+                        <div>
+                            <p className="text-sm font-medium text-slate-800">Allowed trading hours</p>
+                            <p className="text-xs text-slate-400 mt-0.5">
+                                5 min buffer
+                            </p>
+                        </div>
+                        <select
+                            value={tradingHours}
+                            onChange={(e) => setTradingHours(e.target.value)}
+                            className="rounded-lg border border-slate-200 bg-slate-50 px-3 py-1.5 text-sm font-mono text-slate-800 focus:outline-none focus:ring-2 focus:ring-blue-500"
+                        >
+                            <option value="full_cme">Full CME (5:00 PM – 3:00 PM CT)</option>
+                            <option value="equity_hours">Equity Hours (8:30 AM – 3:00 PM CT)</option>
+                        </select>
+                    </div>
                 </div>
 
                 {/* ── Master Dashboard ── */}

lib/auto-trade.ts

@@ -51,39 +51,54 @@ function mapFirmConfig(firm: FirmWithAccounts): FirmConfig {
 // ── helpers ───────────────────────────────────────────────────────────────────
 
 /**
- * Returns true when CME futures markets are closed.
+ * Returns true when trading is not allowed based on the trading_hours setting.
- * CME hours: Sunday 5:00 PM – Friday 4:00 PM Central, with a daily halt 4:00–5:00 PM.
+ *
- * So we block trading when:
+ * "full_cme"     — Sun 5:05 PM – Fri 2:55 PM Central (5 min buffer on each side)
- *   - It's 3:00 PM – 4:59 PM Central (stop early + daily halt)
+ * "equity_hours" — 8:35 AM – 2:55 PM Central, Mon–Fri (5 min buffer on each side)
- *   - It's Saturday (all day)
- *   - It's Sunday before 5:00 PM Central
- *   - It's Friday after 3:00 PM Central
  */
 function isInNoTradeWindow(): boolean {
     const now = new Date();
-    const centralTime = new Intl.DateTimeFormat('en-US', {
+    const centralParts = new Intl.DateTimeFormat('en-US', {
         hour: 'numeric',
+        minute: 'numeric',
         hour12: false,
         timeZone: 'America/Chicago',
-    });
+    }).formatToParts(now);
-    const centralDay = new Intl.DateTimeFormat('en-US', {
+    const hour = parseInt(centralParts.find((p) => p.type === 'hour')!.value, 10);
+    const minute = parseInt(centralParts.find((p) => p.type === 'minute')!.value, 10);
+    const day = new Intl.DateTimeFormat('en-US', {
         weekday: 'short',
         timeZone: 'America/Chicago',
-    });
+    }).format(now); // "Sun", "Mon", ... "Sat"
-    const hour = parseInt(centralTime.format(now), 10);
+    const timeMinutes = hour * 60 + minute; // minutes since midnight
-    const day = centralDay.format(now); // "Sun", "Mon", ... "Sat"
+
+    const mode = getSetting('trading_hours') ?? 'full_cme';
+
+    if (mode === 'equity_hours') {
+        // Equity hours: 8:30 AM – 3:00 PM Central with 5 min buffer = 8:35 AM – 2:55 PM
+        // Weekdays only
+        if (day === 'Sat' || day === 'Sun') return true;
+        const open = 8 * 60 + 35;   // 8:35 AM
+        const close = 14 * 60 + 55;  // 2:55 PM
+        return timeMinutes < open || timeMinutes >= close;
+    }
+
+    // Full CME: Sun 5:00 PM – Fri 4:00 PM Central with 5 min buffer
+    // Open: 5:05 PM, Close: 2:55 PM (stop early), Daily halt: 2:55 PM – 5:05 PM
 
     // Saturday — market closed all day
     if (day === 'Sat') return true;
 
-    // Sunday — market opens at 5 PM Central
+    // Sunday — market opens at 5:05 PM Central
-    if (day === 'Sun' && hour < 17) return true;
+    const cmeOpen = 17 * 60 + 5;  // 5:05 PM
+    if (day === 'Sun') return timeMinutes < cmeOpen;
 
-    // Friday — stop trading after 3 PM Central
+    // Friday — stop trading at 2:55 PM Central
-    if (day === 'Fri' && hour >= 15) return true;
+    const cmeClose = 14 * 60 + 55; // 2:55 PM
+    if (day === 'Fri' && timeMinutes >= cmeClose) return true;
 
-    // Mon–Thu: stop trading after 3 PM Central (market halts at 4 PM, reopens 5 PM)
+    // Mon–Thu: block 2:55 PM – 5:05 PM Central (early stop + daily halt + buffer)
-    if (hour >= 15 && hour < 17) return true;
+    if (timeMinutes >= cmeClose && timeMinutes < cmeOpen) return true;
 
     return false;
 }

lib/db.ts

@@ -164,6 +164,7 @@ seedSetting.run('max_concurrent_accounts', '5');
 seedSetting.run('tick_interval_seconds', '60');
 seedSetting.run('master_dashboard_url', '');
 seedSetting.run('instance_name', '');
+seedSetting.run('trading_hours', 'full_cme');
 
 export function getSetting(key: string): string | null {
     const row = db.prepare('SELECT value FROM settings WHERE key = ?').get(key) as { value: string } | undefined;