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 · Hidalgo/Kestelboim
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Swiss Indoors Basel (Doubles): Bernet/Stricker vs Doumbia/Pel
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Brest (Doubles): Kittay/Yuzuki vs Damm/Vrbensky
Seoul (Doubles): Reynolds/Watt vs Banthia/Rai
Guayaquil (Doubles): Aguilar/Roncadelli vs Drzewiecki/Matuszewski
Seoul (Doubles): Isaro/Nam vs Matsui/Ramanathan
Rules
This market refers to the doubles tennis match between Hidalgo/Kestelboim and Pino/Merino in the Guayaquil, originally scheduled for October 27, 2026 at 11:00AM ET.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/atp-doubles-hidakes-pinomer-2026-10-27AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+40 more outcomes
+22 more outcomes