
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
Market depth · Above 18.7%
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Book received (not venue quote time): —
Rules
If the OpenAI Vercel share of AI Gateway spend across the top labs for Oct 12, 2026 is above 18.7%, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxopenvspend-12oct26AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+6 more outcomes
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