Open-source components for trading screens, charts, order entry, and price boards
Earnings-call intelligence for U.S. public companies with transparent sentiment scores and macro insights
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
Not given
Pricing model
Open source
Freemium
Pricing
Not given
Free tier includes all prior quarters' sentiment scores for 500+ companies, analyst tracker, and company lists. Tellvest Pro: $12/month includes the newest quarter's analysis, pre-earnings briefs, macro signal screener, and live trade signals. 30-day free trial with full Pro access, no credit card r
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
Transparent 1-10 sentiment score for 500+ U.S. public companies based on GAAP revenue, transcript tone, EPS trends, and guidance
Analyst question classification by tone and topic to identify where management deflects
Macro signal aggregation across hundreds of companies by theme and sector
Analyst and firm tracker grading challenge rates and questioning patterns
Cross-company mentions pulled verbatim from earnings calls
Economic Sentiment Index tracking macro conditions across 500+ companies
Sector and industry intelligence comparing sentiment and macro signals
Backtest of score consistency versus historical post-earnings returns
Pre-earnings briefs for companies reporting in the next 7 days (Pro)
Live trade signals with full signal history based on score consistency rules (Pro)
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
Bottom-up macro insights: aggregated CEO commentary from 500+ earnings calls, not top-down forecasts
All data sourced from SEC filings and public earnings transcripts, verified automatically with no paraphrase
Analyst grading: track which analysts challenge management most rigorously and which firms are highest-quality
Prior quarters always free to browse; Pro unlocks current quarter and forward-looking tools on day of analysis
TradeCanvas
Tellvest