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 · Set 2 Winner: Hunter/Siniakova vs Errani/Paolini — Hunter/Siniakova
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Related questions for context, not a comparison of equivalent contracts.
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2026 ATP Tour Men's Tennis Matches 🎾
2026 WTA Tour Women's Tennis Matches 🎾
Rules
This market refers to the doubles tennis match between Hunter/Siniakova and Errani/Paolini in the Wuhan Tennis Open, originally scheduled for October 17, 2026 at 8:00AM ET.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/wta-doubles-huntsin-errapao-2026-10-17AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+26 more outcomes