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$134.1b
24H VOL:
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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: Sep 3, 12:50 AM EST
Polymarket
This market refers to the tennis match between Shunsuke Mitsui and Noritaka Koizumi in the M25 Urayasu, Main Draw, originally scheduled for September 2, 2026 at 10:00PM ET. This market will resolve to 'Shunsuke Mitsui' if Shunsuke Mitsui advances against Noritaka Koizumi. This market will resolve to 'Noritaka Koizumi' if Noritaka Koizumi advances against Shunsuke Mitsui. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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 Shunsuke Mitsui and Noritaka Koizumi in the M25 Urayasu, Main Draw, originally scheduled for September 2, 2026 at 10:00PM ET. This market will resolve to 'Shunsuke Mitsui' if Shunsuke Mitsui advances against Noritaka Koizumi. This market will resolve to 'Noritaka Koizumi' if Noritaka Koizumi advances against Shunsuke Mitsui. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of a particular outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares in a specific outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market's price reflects the aggregated sentiment of all participants, creating a real-time assessment of expectations for the Mitsui vs Koizumi match. This dynamic pricing ensures the market remains responsive to new information and evolving perspectives.
This market resolves around Sep 10, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the M25 Urayasu match between Shunsuke Mitsui and Noritaka Koizumi, as declared by the governing body of the competition. The platform will verify the result against publicly available and trusted sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official announcements to stay informed about the event's progress and the eventual resolution of this market.
Several factors could influence the price of this market before it resolves. Any news regarding the physical condition of either Shunsuke Mitsui or Noritaka Koizumi, such as injuries or illness, would likely cause significant price movement. Changes in their recent performance, strategic adjustments, or even weather conditions affecting the match could also impact trader sentiment. Unexpected announcements related to the event itself, such as venue changes or scheduling adjustments, could also contribute to volatility. Publicly released analysis from sports commentators or experts might also shift expectations and influence trading activity in this market.