Stock ratings for US stocks based on published research signals
Open-source components for trading screens, charts, order entry, and price boards
Stage
Startup
Not given
Founded
2025
Not given
Based in
PL
Not given
Pricing model
Freemium
Open source
Pricing
Free plan with limited access to 200 largest stocks. Paid Tessera plan: $2 for first month, then $29/month, billed monthly. Cancel anytime. 30-day money-back guarantee.
Not given
Key features
Six published research signals averaged into stock ratings
Free access to ratings on the 200 largest US stocks
Company financial analysis and sector comparisons
Stock screening on valuation, profitability, growth and momentum
Rules-based paper portfolio tracking with simulated trading
Custom paper portfolios with historical backtesting
Analyst estimates and DCF valuation tools
CSV export for custom analysis
Rating changes tracked weekly by signal
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
Connects stock screening with company research and paper portfolio tracking in one workspace
Ratings based on six published academic research signals, not proprietary black boxes
Free access to research on largest 200 stocks, no credit card required
Educational research and ranking signals, explicitly not investment advice
Affordable paid plan at $2 first month then $29/month with backtesting and full universe access
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
Tessera Alpha
TradeCanvas