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: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
Market depth · OpenAI
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Related questions for context, not a comparison of equivalent contracts.
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Rules
This market will resolve to the AI lab with the second highest market share on OpenRouter for the week of October 26 to November 1, 2026.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/2nd-ai-lab-by-openrouter-market-share-week-of-october-26AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+5 more outcomes
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