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 · Darderi/Etcheverry vs. Cash/Glasspool: Match O/U 21.5 — Over
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Book received (not venue quote time): —
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
This market refers to the doubles tennis match between Darderi/Etcheverry and Cash/Glasspool in the Shanghai Rolex Masters, originally scheduled for October 9, 2026 at 10:00PM ET.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/atp-doubles-dardetc-cashgla-2026-10-09AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+31 more outcomes
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