Get a free API key
Probability of profit, the Option Finder, quotes and option chains, from your own code or from AI assistants through MCP.
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How it works
- Create your account
- Add a card with Stripe (the Free plan is not charged)
- Confirm your email
- Your API key is active
Every plan includes
- Probability of profit and breakevens for any position, up to 8 legs
- P/L graph data: profit by stock price over time
- Option Finder (a search counts as 5 requests)
- Delayed quotes and option chains with implied volatility
- MCP server for Claude, Cursor and other AI assistants
Free: 3,000 requests a month. Paid plans from $5/month. See pricing