TOTAL VOLUME:
$134b
24H VOL:
$87,176,691
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,391,958,194
394,660
Markets across
30,119
events
MATCHED EVENTS:
2,626
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
This market refers to the doubles tennis match between Hsieh/Ostapenko and Guo/Mladenovic in the Cincinnati Open, originally scheduled for August 20, 2026 at 3:00PM ET. This market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Guo/Mladenovic. This market will resolve to 'Guo/Mladenovic' if the team of Guo/Mladenovic advances against Hsieh/Ostapenko. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Hsieh/Ostapenko and Guo/Mladenovic in the Cincinnati Open, originally scheduled for August 20, 2026 at 3:00PM ET. This market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Guo/Mladenovic. This market will resolve to 'Guo/Mladenovic' if the team of Guo/Mladenovic advances against Hsieh/Ostapenko. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
This market resolves around Aug 27, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be based on the official match outcome as reported by tournament organizers and widely covered sports news outlets. No additional analysis or interpretation is needed beyond the match result itself.
Key signals that could shift this market include player injuries, changes to the lineup, weather forecasts affecting play conditions, and recent form or performance metrics from the teams in lead-up tournaments. Any announcement regarding player availability or tournament updates could cause rapid price adjustments. Traders will also watch for betting trends and volume spikes that indicate shifting sentiment ahead of the match.