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 · Google
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
#2 AI lab by OpenRouter market share week of October 26?
#1 AI lab by OpenRouter market share week of October 26?
#3 AI Lab end of November? (Style Control On)
Third-best AI Lab end of November?
When will an AI lab solve another Millennium Prize Problem?
Will a frontier AI lab publish recurring governance metrics with capability benchmarks in one document by 2026-12-31?
Rules
This market will resolve to the AI lab with the third 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/3rd-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+9 more outcomes
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+6 more outcomes