Trading Clock - Global Stock Market

About

Trading Clock is a lightweight Chrome extension that shows the real-time trading status of 20 major stock exchanges across 14 countries — right from your toolbar.

WHAT IT DOES
• Displays live open, closed, pre-market, after-hours, lunch break, and night session status for each exchange
• Shows a precise local time and countdown for every market
• Groups 20 global exchanges: SSE, SZSE, NYSE, NASDAQ, HKEX, TSE, KRX, SGX, NSE, ASX, TWSE, SET, TSX, B3, LSE, XETRA, Euronext, SIX, MOEX, JPX
• Accounts for local trading holidays and half-days

KEY FEATURES
• Toolbar badge — green number shows how many markets are currently open; an amber dot means markets are in active phases (pre-market, after-hours, etc.)
• Customizable notifications — get browser alerts minutes before any market opens or closes, configurable per event type
• Drag & drop reorder — arrange markets in the order that matters to you
• Dark / Light theme — automatic or manual toggle
• Bilingual interface — Chinese and English, switch instantly inside the extension
• Holiday-aware — holidays and special trading days are baked in so you never see a false "open" on a market holiday
• Lightweight — pure client-side, no background network requests, no data collection

PERMISSIONS USED
• alarms — to wake the background service worker every minute for badge and notification checks
• notifications — to show optional desktop alerts when a market is about to open or close
• storage — to persist your preferences (hidden markets, language, theme, notification settings)

This extension does not collect, transmit, or sell any user data. All calculations run locally in your browser.