TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 1, 1:19 AM EST
Polymarket
This market refers to the tennis match between Yuto Oki and Shintaro Imai in the M25 Urayasu, Main Draw, originally scheduled for August 31, 2026 at 10:00PM ET. This market will resolve to 'Yuto Oki' if Yuto Oki advances against Shintaro Imai. This market will resolve to 'Shintaro Imai' if Shintaro Imai advances against Yuto Oki. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Yuto Oki and Shintaro Imai in the M25 Urayasu, Main Draw, originally scheduled for August 31, 2026 at 10:00PM ET. This market will resolve to 'Yuto Oki' if Yuto Oki advances against Shintaro Imai. This market will resolve to 'Shintaro Imai' if Shintaro Imai advances against Yuto Oki. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds from this market often differ from traditional sportsbook lines due to trader dynamics and unique positioning. While sportsbooks may reflect broader public betting trends, this market captures more nuanced, speculative insights from participants directly engaged with the event. The gap can vary based on recent performance news, injury updates, or shifting fighter momentum.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through trader activity, where participants place bets that directly set the odds. The current implied probability reflects the balance of buy and sell orders for each outcome. As new data on fighter performance, injury updates, or betting trends surface, these orders shift, adjusting the market price in real time. The top outcome's chance displayed is derived from this continuous trading flow, capturing the community's evolving expectations.
This market resolves around Sep 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match result — win by knockout, submission, judges’ scorecards, or any declared winner — and will be reflected automatically based on publicly confirmed sources.
Several signals could shift this market before Sep 8, 2026. Key updates on fighter health, training progress reports, or changes to the match venue may influence odds. Media coverage highlighting one competitor’s strengths or weaknesses can also sway trader sentiment. Additionally, broader trends in the sport—such as rule changes or judging controversies—might affect pricing. Any last-minute substitutions or schedule adjustments would prompt rapid market reactions as participants reassess probabilities.