A comprehensive technical stock analysis web application.

blink/
├── dev/                   # Web application
│   ├── server.js          # Express server
│   ├── index.html         # Web interface
│   ├── app.js             # Main application logic
│   └── package.json       # JavaScript dependencies
├── historical_data/       # Stock data (CSV files)
│   ├── AAPL.csv           # Apple Inc.
│   ├── GOOG.csv           # Alphabet Inc.
│   ├── NVDA.csv           # NVIDIA Corporation
│   └── TSLA.csv           # Tesla Inc.
└── README.md              # This file

cd dev
npm install
npm start
# Open http://localhost:3000 in your browser

• 📈 Interactive Candlestick Charts: Real-time OHLC price visualization
• 📊 Volume Analysis: Color-coded volume bars
• 🔢 Technical Indicators:
  • Simple Moving Averages (SMA 10, 20, 50)
  • Bollinger Bands (20-period, 2 standard deviations)
• ⏱️ Multiple Time Windows: 6 months, 1 year, 5 years
• 🎯 Real-time Crosshairs: Mouse tracking with data point selection
• 📋 Status Bar: Live OHLC, volume, date, and daily % changes
• 🎨 Dark Theme: Professional financial application styling
• ⌨️ Keyboard Shortcuts: F11 (fullscreen), 1-3 (time windows), Ctrl+Q/W (exit)

• AAPL - Apple Inc.
• GOOG - Alphabet Inc.
• NVDA - NVIDIA Corporation
• TSLA - Tesla Inc.

Historical data is stored in CSV format with columns:

• Date (ISO format with timezone)
• Open, High, Low, Close (price values)
• Volume (trading volume)

• SMA: Simple moving averages calculated over specified periods
• Bollinger Bands: Standard deviation bands around 20-period SMA
• Daily % Change: Percentage change from previous day's close

• Hover over charts to display crosshairs
• Status bar updates with current data point information
• Smooth real-time tracking with optimized redraw performance

The application is built with Node.js/Express on the backend and vanilla JavaScript with Chart.js on the frontend, providing easy deployment and cross-platform compatibility.