Langbot vs StockYears

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Langbot compared with StockYears
Detail	Langbot	StockYears
What it does	Data and simulation layer for prediction markets on Kalshi and Polymarket	US company financials, year by year
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
Pricing model	Freemium	Freemium
Pricing	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	Free: latest 5 years of financials and prices, key ratios, recent insider trades, first line of risk-factor changes, watchlist up to 5 companies, 1 full-history export per month. Pro: $69/year or $8.99/month. Unlimited: $149/year or $17.99/month. Lifetime: $199 once. 30-day money-back guarantee appl
Key features	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	Annual financial statements and ratios from FY2007 Share price data since 2000 Export data to Excel or CSV Covers 505 US public companies Quarterly financial data on Pro plan Hourly email alerts for new reports and trades Linked access to 10-K reports at sec.gov
What makes it different	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	Figures verified against official SEC 10-K filings Full history from FY2007 in one table with one-click export Covers data most sites do not show: risk-factor changes, quarterly data Direct links to original 10-K filings at sec.gov
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

5 details filled in for both companies.

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