
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 33.3%
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Book received (not venue quote time): —
Related Markets
Related questions for context, not a comparison of equivalent contracts.
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OpenAI market share this week
Will ANOTHER millennium prize problem be solved in 2026?
Rules
If the Anthropic Vercel share of AI Gateway spend across the top labs for Oct 12, 2026 is above 43.3%, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxanthvspend-12oct26AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+6 more outcomes
+14 more outcomes
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