US stock screener and research workspace for self-directed investors
Data and simulation layer for prediction markets on Kalshi and Polymarket
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free plan includes one complete introductory AI Mode run with six one-time credits. Premium includes two hundred credits per calendar month. Final subscription prices and billing terms are shown before payment.
Free ($0/month) with 60-second delay on live data, 60 API requests/minute, 1 concurrent stream, 5 subscriptions, 20 sim runs/month; Builder ($49/month) with 10-second delay, 600 requests/minute, 5 streams, 25 subscriptions, 100 sim runs/month; Standard ($199/month) with 2-second delay, 3,000 request
Key features
Stock screening with customizable filters
Inspect financial statements and company filings
Valuation analysis with explicit assumptions
AI-assisted analysis and research support
Portfolio tools and saved workspaces
Dated price history and market data
Ownership records and fund holdings
Alerts and export functionality
Thesis workspace for documenting investment cases
Stock Sense MCP connector integration
Order-book history with outcomes and rules for every market on Kalshi and Polymarket
Live context synchronized on one clock: speech, official text and data releases
Simulator with venue's real fees and timing for backtesting
Full REST, WebSocket and SSE access with signed webhooks
Python and TypeScript SDKs and CLI for programmatic access
MCP server with phrase and market subscription tools
Fair-value and live probability models for markets
Signed receipts and provenance reports for evidence
Paper trading mode on live record before switching to real exchange keys
Timestamped facts for resolved market outcomes with speaker attribution
What makes it different
Combines dated public filings with current market prices and transparent calculations in one workspace
Emphasizes maintaining transparency about data freshness and source attribution
Designed specifically to help test investment theses with evidence-based research
Supports challenging investment assumptions with AI assistance checked against underlying sources
Public company research is open and accessible without requiring an account
Synchronized context on the same clock: order books, market rules, and every speech or data release that moves prices
Speaker attribution and verdict for each phrase: whether it counts under market rules
Live recording of order books for every open market rolling out
No trading signals: users control all decisions and trades with their own exchange keys
US Stock Sense
Langbot