See the entire market. In one glance.
Real-time heatmap, AI-powered indicators, and an intelligent trading assistant — all in one dashboard.
Free forever. No credit card required.
Powered by Polygon.io real-time market data
Everything you need. Nothing you don’t.
Three core capabilities that replace a dozen browser tabs.
Market Heatmap
93 stocks across 11 sectors, updated every 10 seconds. Three visualization modes — change, market cap, equal weight. Click any ticker for instant deep analysis.
- Real-time heatmap with sub-10s refresh
- Size by absolute change, market cap, or equal weight
- Click-through to pressure gauge, news, and fundamentals
- Macro strip: treasury yields, inflation, labor data
AI Trading Intelligence
Chat with an AI that understands live market context. Ask for analysis, control charts with natural language, and create composite alerts conversationally.
- Context-aware: knows your active ticker, timeframe, indicators
- Natural language chart control — "Add RSI and switch to TSLA 4H"
- Create multi-condition alerts via conversation
- 446+ open-source indicators + 5 proprietary AI indicators
Smart Alerts
Price, volume, and multi-condition composite alerts with email notifications. Evaluated every 10 seconds during market hours. Set it and forget it.
- Simple price/volume alerts or complex multi-condition rules
- AND/OR logic with cross-ticker conditions
- Email notifications via Postmark — instant delivery
- AI Max users can create alerts via natural language
Up and running in 30 seconds
Open ChartBrain
See the entire market in a real-time heatmap. 93 stocks, 11 sectors, one view.
Click any ticker
Get deep analysis: pressure gauge, AI insights, news, and technical indicators.
Set alerts & trade
Create price or composite alerts. Get email notifications when conditions align.
5 Proprietary AI Indicators
Built from multi-factor statistical models. Not available anywhere else.
CB Momentum Score
Multi-factor momentum: RSI divergence, volume confirmation, multi-timeframe ROC, stochastic extremes. Range −100 to +100.
CB Trend Strength
4-component trend assessment: MA alignment, ADX, volume trend, price structure. Scale 0–100.
CB Anomaly Detector
Statistical outlier detection: price z-score, volume spikes, gap detection, Bollinger breach. ~12 signals/year on liquid stocks.
CB Support/Resistance AI
AI-identified price levels: pivot detection, agglomerative clustering, volume profile, multi-factor scoring. 3 support + 3 resistance.
CB Forecast Cone
10-bar price projection with 95% confidence interval. Historical volatility + momentum drift + mean reversion.
Professional tools. Fraction of the price.
Competitors charge $39–$150/mo for less. Start free, upgrade when you’re ready.
- Universe Monitor heatmap
- 446+ open-source indicators
- CB Momentum Score
- 1 custom dashboard
- 1 watchlist (20 tickers)
- Everything in Free
- CB Trend + Anomaly indicators
- 5 dashboards, 10 watchlists
- 50 alerts + email notifications
- Real-time streaming + AI Chat