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 · Alibaba
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Second-Best Chinese AI Company end of November?
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Third-Best Chinese AI Company end of October?
Best Chinese AI Company end of October?
Top Chinese AI Company week of October 19th
Top Chinese AI Company week of October 12th
Rules
This market will resolve according to the second-highest ranked primarily Chinese company based on the arena.ai Text Arena (Overall) when the table under the "Leaderboard" tab filtered for "Labs" is checked on October 31, 2026, 12:00 PM ET.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/second-best-chinese-ai-company-end-of-octoberAI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+17 more outcomes
+8 more outcomes