TOTAL VOLUME:
$134.2b
24H VOL:
$129,159,707
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,442,132,418
404,744
Markets across
30,489
events
MATCHED EVENTS:
2,691
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 7, 3:24 AM EST
Polymarket
This market refers to the tennis match between Kaede Katayama and Kentaro Otsuka in the M25 Sapporo, Qualifying, originally scheduled for September 6, 2026 at 11:00PM ET. This market will resolve to 'Kaede Katayama' if Kaede Katayama advances against Kentaro Otsuka. This market will resolve to 'Kentaro Otsuka' if Kentaro Otsuka advances against Kaede Katayama. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 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 Kaede Katayama and Kentaro Otsuka in the M25 Sapporo, Qualifying, originally scheduled for September 6, 2026 at 11:00PM ET. This market will resolve to 'Kaede Katayama' if Kaede Katayama advances against Kentaro Otsuka. This market will resolve to 'Kentaro Otsuka' if Kentaro Otsuka advances against Kaede Katayama. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 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.
Generally, prediction market odds often reflect a wisdom-of-the-crowd effect, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market is driven purely by traders expressing their beliefs about the likelihood of each outcome. Discrepancies can arise due to differing information, biases, or simply the dynamics of each venue. It's important to compare odds from various sources to form your own informed opinion about the potential result.
This market resolves around Sep 14, 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 Sapporo match between Kaede Katayama and Kentaro Otsuka, as declared by the event organizers. The market will determine which competitor emerged victorious, and shares will pay out accordingly based on the final, official result. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence the price of this market before the Sep 14, 2026 resolution date. Any news regarding the condition of either Kaede Katayama or Kentaro Otsuka, such as injuries or changes in their training regimen, could significantly shift expectations. Public announcements about strategy or team dynamics could also play a role. Unexpected developments in the broader competitive landscape, or even shifts in public sentiment, might also cause the market to react and adjust the perceived probabilities of each outcome.