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 10, 12:44 AM EST
Polymarket
This market refers to the tennis match between Seo Yun Choi and Yuka Matsumoto in the W15 Yeongwol, Main Draw, originally scheduled for September 9, 2026 at 10:00PM ET. This market will resolve to 'Seo Yun Choi' if Seo Yun Choi advances against Yuka Matsumoto. This market will resolve to 'Yuka Matsumoto' if Yuka Matsumoto advances against Seo Yun Choi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 Seo Yun Choi and Yuka Matsumoto in the W15 Yeongwol, Main Draw, originally scheduled for September 9, 2026 at 10:00PM ET. This market will resolve to 'Seo Yun Choi' if Seo Yun Choi advances against Yuka Matsumoto. This market will resolve to 'Yuka Matsumoto' if Yuka Matsumoto advances against Seo Yun Choi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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.
Often, prediction market odds reflect a different perspective than traditional sportsbooks. While sportsbooks set lines based on statistical models and public perception, this market aggregates the wisdom of the crowd. This can lead to discrepancies, especially when there's asymmetric information or strong opinions not fully captured by conventional analysis. It's common to see prediction markets move independently of sportsbook lines, reacting to news and information in real-time as traders update their beliefs about the likely outcome of the Choi vs Matsumoto match.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly reflects the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Price fluctuations are driven by supply and demand; increased buying pressure raises the price, while increased selling pressure lowers it. This dynamic pricing allows the market to quickly incorporate new information and adjust expectations regarding the Choi vs Matsumoto match.
This market resolves around Sep 17, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W15 Yeongwol tennis match between Seo Yun Choi and Yuka Matsumoto. The platform will verify the result against official tournament data to determine which outcome corresponds to the actual event result. This ensures a transparent and objective determination of the market's outcome.
Several factors could influence the price of this market before Sep 17, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected weather forecasts impacting the match schedule or court surface could also play a role. Furthermore, major upsets in other related tournaments or shifts in expert analysis could influence perceptions of the players' chances, leading to adjustments in the market price for the Choi vs Matsumoto match.