📊 Crypto Market Screener: Top 100 Pairs by 24H Volume

A highly responsive, ultra-reliable cryptocurrency trading viewer with real-time price updates, fear & greed index monitoring, and advanced visualization features.

✨ Features

• Real-time Price Updates: Stream live price data from Binance Futures
• Fear & Greed Index: Monitor market sentiment with color-coded classifications
• Customizable Visual Feedback: Adjust animation colors and durations
• TradingView Integration: Quick access to TradingView charts
• Smart Highlighting: Track price movements with timers and change indicators
• Pinning System: Pin important pairs for quick reference
• Cross-Platform Links: One-click access to Binance, Bybit, Gate.io and TradingView
• Keyboard Shortcuts: Full keyboard control for efficient navigation

🚀 Quick Start

1. Clone or download the repository
2. Open index.html in your browser
3. Use ? key to toggle Fear & Greed Index popup
4. Use Space to pause/resume updates

⌨️ Keyboard Shortcuts

Key	Action
?	Toggle Fear & Greed Index
Space	Pause/Resume updates
M	Show more pairs
L	Show fewer pairs
T	Toggle TradingView widget
/	Open search
ESC	Close any open modal

🎨 Customization

Access visual settings via the gear icon (⚙️) to:

• Toggle price update animations
• Adjust animation duration (500-3000ms)
• Change up/down colors
• Configure display preferences

🌐 Fear & Greed Index Features

• Current index value with color-coded classification
• Historical comparisons (Today/Yesterday/Week/Month)
• Yearly high/low tracking
• Automatic updates every 5 minutes
• Color-coded status indicators:
  • Extreme Greed (40-100) - Green
  • Greed (25-39) - Light Green
  • Neutral (21-24) - White
  • Fear (10-20) - Yellow
  • Extreme Fear (0-9) - Red

🔍 Search Functionality

• Search any USDT pair (Spot or Futures)
• Quick platform links for each result
• Keyboard navigation (↑/↓ arrows, Enter to select)

⚡ Performance Optimizations

• WebSocket connection with automatic reconnection
• Smart data caching
• Efficient DOM updates
• Background data refresh for stale pairs
• Memory-efficient design

🛠️ Technical Stack

• Vanilla JavaScript (no frameworks)
• Chart.js for Fear & Greed visualization
• TradingView widget integration
• WebSocket API for real-time data
• LocalStorage for user preferences

📦 File Structure