Web-based manual backtesting platform for testing trading strategies
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 plan: $0/month with 1 year of historical data, 20 symbols, 2 charts, limited trades and tools. Pro plan: $7/month with up to 20 years of historical data, 800+ symbols, unlimited charts, unlimited trades, and AI analysis.
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Key features
Tick-by-tick replay with bid and ask data
AI agent writes and runs strategies
36+ built-in indicators plus custom indicators
Multi-chart replay across symbols and timeframes
Export to Pine Script, Python, and MQL5
Drawing tools and candlestick patterns
Full trade statistics and performance reports
Upload custom OHLCV or tick CSV data
Over 800 tradable symbols across 7 asset classes
Historical data from tick to monthly timeframes
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
No registration or credit card required to start backtesting
AI agent that writes strategies based on plain language descriptions
Hybrid approach: let AI run the backtest, then take over trading manually
Tick-accurate data with L1 bid/ask pricing
Export strategies as executable code for external platforms
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
Tradebreath
TradeCanvas