TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 16, 1:08 PM EST
Polymarket
This market tracks whether Christopher O'Connell will win the match against Casper Ruud at the Cincinnati Open on Polymarket, using ATP Tour official results as the resolution source. The current probability for this outcome stands at 19.0%. The match was originally scheduled for August 16, 2026 at 10:00AM ET, and the market will resolve based on the official match result published by ATP Tour on or around August 23, 2026, so keep an eye on the official match start and any potential rescheduling announcements.
This market refers to the tennis match between Christopher O'Connell and Casper Ruud in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will resolve to 'Christopher O'Connell' if Christopher O'Connell advances against Casper Ruud. This market will resolve to 'Casper Ruud' if Casper Ruud advances against Christopher O'Connell. 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds on Polymarket often differ from traditional sportsbook lines due to trader dynamics and available information. While sportsbooks set their lines based on analysis and risk management, this market lets participants bet directly on their beliefs, which can create unique pricing. Traders may react faster to new data, such as player injuries or weather updates, causing shifts that sportsbooks might not reflect immediately. Comparing the two can reveal where public sentiment diverges from institutional forecasts, offering a different perspective on expected outcomes.
This market resolves around Aug 23, 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 market will close shortly after the final point is confirmed through trusted sports news and tournament records.
Injuries, weather conditions, or recent match performances can significantly affect this market. If either player faces an unexpected health issue or a sudden drop in form, odds could swing quickly. Media interviews, coaching strategies, and even practice session reports may shift trader sentiment. As Aug 23, 2026 approaches, any last-minute news or changes in tournament conditions will be closely watched, potentially driving rapid movements in pricing as participants adjust their bets based on new information.