Open-source components for trading screens, charts, order entry, and price boards
Options trading workspace for analyzing, automating, and managing trades across 15+ brokers
Stage
Not given
Startup
Founded
Not given
2025
Based in
Not given
Not given
Pricing model
Open source
Free trial
Pricing
Not given
Free trial: $1 for 7 days. After trial: GEX plan $29/month (billed $87 per 3 months), Wheel plan $49/month (billed $147 per 3 months), Quant plan $79/month (billed $237 per 3 months). Free with TradeStation for Quant plan. 14-day money-back guarantee on first full subscription charge.
Key features
18 chart types with Canvas 2D or WebGL rendering
134 technical indicators
69 drawing tools including trend lines and Fibonacci
Complete trading widget with watchlists and position tracking
Realtime price board supporting 1,000 symbols at 30,000 ticks per second
Order flow visualization with liquidity heatmap
Mobile-responsive design with touch gestures
Bar replay and paper trading
Support for TypeScript, React, Vue and Svelte
Works with any exchange
Real-time GEX and Vanna heatmaps by strike and expiration
Options screener with technical, fundamental and GEX filters
Wheel workflow with roll comparison and breakeven tracking
Direct broker integration with order placement from chart
AI assistant explaining market levels and suggesting strategies
Options trading journal with auto-synced trades and cost basis
Copy trading with verified trader alerts
Support for 15+ brokers with read-only and trade-enabled connections
Options flow data for major tickers with premium flow visualization
REST API and AI client integration via Model Context Protocol
What makes it different
No third-party runtime dependencies
Headless chart at 176 KB gzipped
Processes live ticks into indicators in microseconds
MIT licensed and free for any market
Performance tested: 1 million bars panned at 60 fps
All-in-one chart combining market analysis, position tracking, and trade execution without switching tools
Real-time GEX and dealer positioning data built into the trading interface
Automatic Wheel workflow tracking with premium collection effects on breakeven
Secure broker connections through provider authorization without sharing passwords