Open-source components for trading screens, charts, order entry, and price boards
Stage
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Free tier available with no card required. Premium: $15/month billed monthly or $150/year (17% off). Premium+: $30/month billed monthly. All paid plans include a 14-day free trial.
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Key features
Watchlist of up to 30 tickers (free) or 200 (premium) checked nightly for breakout patterns
Screener with 2,600+ stocks and crypto, 30 filters
Automatic support and resistance lines on charts
Edge Filter ranks breakouts by historical win rates and typical gains
Historical win rates and track record for each ticker
Daily Morning Brief setup recommendations
Breakout alerts for watchlist tickers
Suggested entry, stop and target for each pattern
API and MCP access for AI agents (Premium+)
See the company's own trading signals and account performance
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
What makes it different
Ranks breakouts by historical win rate and typical gains instead of just showing patterns
Backtested strategy traded live with company's own money using transparent, fixed rules
Designed for swing traders who check once a day, not day traders watching screens
API integration for AI agents and custom systems
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
TradingPal
TradeCanvas