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 · Laura Samson
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
WTA Finals, Group B: Elina Svitolina vs Karolina Muchova
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Sopo: Irene Burillo Escorihuela vs Julia Grabher
Rules
This market refers to the tennis match between the named outcome and Sofia Costoulas in the Sopo, originally scheduled for November 11, 2026 at 11:30AM ET.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/wta-samson-costoul-2026-11-11AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+29 more outcomes
+97 more outcomes
+30 more outcomes