TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 15, 3:07 PM EST
Polymarket
This market refers to the tennis match between Shuai Zhang and Kayla Day in the Cincinnati Open, originally scheduled for August 15, 2026 at 10:00AM ET. This market will resolve to 'Shuai Zhang' if Shuai Zhang advances against Kayla Day. This market will resolve to 'Kayla Day' if Kayla Day advances against Shuai Zhang. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 tennis match between Shuai Zhang and Kayla Day in the Cincinnati Open, originally scheduled for August 15, 2026 at 10:00AM ET. This market will resolve to 'Shuai Zhang' if Shuai Zhang advances against Kayla Day. This market will resolve to 'Kayla Day' if Kayla Day advances against Shuai Zhang. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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.
Prediction market odds in this market often reflect a different outlook than traditional sportsbook lines. While sportsbooks may incorporate broader factors and set fixed odds, traders on Polymarket price in their own expectations, news, and momentum shifts in real time. This can lead to tighter or wider spreads depending on recent performance, injuries, or weather conditions affecting the players. Comparing the two can reveal where public sentiment diverges from institutional lines.
This market resolves around Aug 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is based on the official match outcome, and the platform will update the market accordingly shortly after the conclusion of the Cincinnati Open contest. No additional interpretation or external data sources are required beyond widely reported match results.
Several signals could shift this market before it settles. Key updates include player injuries, weather delays, recent form in lead-up tournaments, and any last-minute changes to the lineup or scheduling. Media interviews, betting trends on Polymarket, and analyst commentary may also influence trader sentiment. As the match nears, any surprise developments — even minor ones — can cause rapid repricing as participants adjust their expectations.