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 18, 1:28 AM EST
Polymarket
This market refers to the tennis match between Tommy Paul and Adolfo Vallejo in the Cincinnati Open, originally scheduled for August 17, 2026 at 10:00AM ET. This market will resolve to 'Tommy Paul' if Tommy Paul advances against Adolfo Vallejo. This market will resolve to 'Adolfo Vallejo' if Adolfo Vallejo advances against Tommy Paul. 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.
This market refers to the tennis match between Tommy Paul and Adolfo Vallejo in the Cincinnati Open, originally scheduled for August 17, 2026 at 10:00AM ET. This market will resolve to 'Tommy Paul' if Tommy Paul advances against Adolfo Vallejo. This market will resolve to 'Adolfo Vallejo' if Adolfo Vallejo advances against Tommy Paul. 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 reflect the collective wisdom of traders betting on the outcome, often showing different implied probabilities than traditional sportsbook lines. While sportsbooks set their odds based on analytics and risk management, this market lets participants bet directly on their beliefs, which can lead to divergence depending on recent news, form, or betting patterns.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders manually set the odds for this market through buying and selling contracts, which determines the current implied probability. The price reflects the collective belief of participants about who will win, influenced by recent performance, injuries, and other relevant factors affecting the players' form and strategies.
This market resolves around Aug 24, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The winner is determined by the official tournament result, and this market will close immediately after the final point is concluded and reported.