TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 11, 5:01 AM EST
Polymarket
This market refers to the tennis match between Takuya Kumasaka and Colin Sinclair in the Astana, originally scheduled for August 11, 2026 at 2:30AM ET. This market will resolve to 'Takuya Kumasaka' if Takuya Kumasaka advances against Colin Sinclair. This market will resolve to 'Colin Sinclair' if Colin Sinclair advances against Takuya Kumasaka. 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 Takuya Kumasaka and Colin Sinclair in the Astana, originally scheduled for August 11, 2026 at 2:30AM ET. This market will resolve to 'Takuya Kumasaka' if Takuya Kumasaka advances against Colin Sinclair. This market will resolve to 'Colin Sinclair' if Colin Sinclair advances against Takuya Kumasaka. 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 in this market often differ from traditional sportsbook lines due to trader sentiment and real-time information flow. While sportsbooks may set their lines based on broader analytics and risk management, prediction markets let participants bet directly on their beliefs, which can create sharper or more volatile pricing depending on recent news, fighter performance, or shifting public opinion.
This market resolves around Aug 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official contest outcome — reflecting who wins by knockout, submission, decision, or any other official result recognized by the governing body and reported widely.
Key signals that could shift this market include injury updates, training performance leaks, changes in fighter rankings, pre-fight media events, and betting trends. Any development affecting perceived fighter advantage — such as strategy reveals, physical setbacks, or psychological momentum — may cause rapid price changes as traders reassess probabilities ahead of the contest.