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: Sep 27, 11:51 AM EST
Polymarket
This market refers to the tennis match between Ryan Colby and Shunsuke Mitsui in the Columbus, USA, Qualifying, originally scheduled for September 27, 2026 at 10:00AM ET. This market will resolve to 'Ryan Colby' if Ryan Colby advances against Shunsuke Mitsui. This market will resolve to 'Shunsuke Mitsui' if Shunsuke Mitsui advances against Ryan Colby. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 11, 2026, 11:59 PM ET (14 days after the scheduled start), 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 Ryan Colby and Shunsuke Mitsui in the Columbus, USA, Qualifying, originally scheduled for September 27, 2026 at 10:00AM ET. This market will resolve to 'Ryan Colby' if Ryan Colby advances against Shunsuke Mitsui. This market will resolve to 'Shunsuke Mitsui' if Shunsuke Mitsui advances against Ryan Colby. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 11, 2026, 11:59 PM ET (14 days after the scheduled start), 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.
Generally, prediction market odds tend to reflect a broader range of information and expert opinion than traditional sportsbook odds. Sportsbooks often set lines to balance action and ensure profit, while this market aggregates the wisdom of the crowd. If sportsbook odds significantly differ from those found here, it could indicate disagreement about the likely outcome or differing assessments of the fighters’ capabilities. However, it’s important to remember that both represent probabilities, and neither guarantees the actual result of the Colby vs Mitsui fight.
This market resolves around Oct 4, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Colby vs Mitsui fight as declared by the relevant sporting authority. The platform will verify the result against trusted sources to ensure accuracy and finalize the market settlement. Traders holding shares in the winning outcome will receive a payout based on the final market price at resolution.
Several factors could influence the price of this market before Oct 4, 2026. Any news regarding injuries to either fighter, changes in their training regimens, or updates on their physical condition would likely cause significant movement. Public statements from the fighters or their teams, analysis from MMA experts, and even betting trends in traditional sportsbooks could all impact trader sentiment. Unexpected developments leading up to the Colby vs Mitsui fight, such as a late change in venue or rules, could also introduce volatility into the market.