From 5cba4ef17544ffc442ad264bdc3c22b3a200e924 Mon Sep 17 00:00:00 2001
From: Senofy <63175905+Senofy@users.noreply.github.com>
Date: Mon, 9 Mar 2026 14:24:37 -0500
Subject: [PATCH] =?UTF-8?q?Block=20new=20trades=20during=203=E2=80=935=20P?=
 =?UTF-8?q?M=20Central=20no-trade=20window?=
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isInNoTradeWindow() checks the current hour in America/Chicago (handles
CST/CDT automatically) and returns true from 15:00–16:59. runTrade()
returns early if the window is active, blocking all entries regardless of
whether the scheduler is running or a manual trade is triggered.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 lib/auto-trade.ts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/lib/auto-trade.ts b/lib/auto-trade.ts
index d4e13bc..c963958 100644
--- a/lib/auto-trade.ts
+++ b/lib/auto-trade.ts
@@ -48,9 +48,28 @@ function mapFirmConfig(firm: FirmWithAccounts): FirmConfig {
 
 
 
+// ── helpers ───────────────────────────────────────────────────────────────────
+
+/** Returns true during the 3:00 PM – 4:59 PM Central no-trade window. */
+function isInNoTradeWindow(): boolean {
+    const hour = parseInt(
+        new Intl.DateTimeFormat('en-US', {
+            hour: 'numeric',
+            hour12: false,
+            timeZone: 'America/Chicago',
+        }).format(new Date()),
+        10
+    );
+    return hour >= 15 && hour < 17;
+}
+
 // ── core trade logic ──────────────────────────────────────────────────────────
 
 export async function runTrade(action: 'Buy' | 'Sell', symbol: string) {
+    if (isInNoTradeWindow()) {
+        console.log('[auto-trade] no-trade window active (3–5 PM Central) — skipping');
+        return [];
+    }
     const pointValue = POINT_VALUES[symbol];
     if (!pointValue) throw new Error(`Unknown symbol: ${symbol}`);