TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 15, 2:41 AM EST
Polymarket
This market refers to the tennis match between Sayaka Ishii and Cheuk Ying Shek in the W35 Kyoto, Main Draw, originally scheduled for September 14, 2026 at 11:00PM ET. This market will resolve to 'Sayaka Ishii' if Sayaka Ishii advances against Cheuk Ying Shek. This market will resolve to 'Cheuk Ying Shek' if Cheuk Ying Shek advances against Sayaka Ishii. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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 Sayaka Ishii and Cheuk Ying Shek in the W35 Kyoto, Main Draw, originally scheduled for September 14, 2026 at 11:00PM ET. This market will resolve to 'Sayaka Ishii' if Sayaka Ishii advances against Cheuk Ying Shek. This market will resolve to 'Cheuk Ying Shek' if Cheuk Ying Shek advances against Sayaka Ishii. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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 often reflect the wisdom of the crowd, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own analysis and aim to balance action on both sides, while this market allows anyone to trade based on their own information and beliefs. This can lead to discrepancies, especially when there's strong public sentiment or unique information available to traders. It’s common to see prediction markets incorporate information faster than sportsbooks, leading to potentially more accurate probabilities as the event approaches.
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. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders adjust these prices based on new information, analysis, and their own risk tolerance, creating a dynamic and evolving market. The current price reflects the collective assessment of all participants regarding the potential result of the Ishii vs Shek match.
This market resolves around Sep 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W35 Kyoto match between Sayaka Ishii and Cheuk Ying Shek. The platform will rely on publicly available and widely accepted sources to determine the winner, or if the match ends in a draw. Traders will then be able to claim their winnings based on the final outcome of the match as reported by these sources.
Several factors could influence the price of this market before Sep 22, 2026. News regarding player form, injuries, or changes in playing conditions could all shift trader sentiment. Unexpected announcements about the match schedule or venue could also have an impact. Furthermore, any significant analysis or predictions from tennis experts or analysts could sway the market. Ultimately, any information that alters perceptions of Sayaka Ishii's or Cheuk Ying Shek's chances of winning will likely cause movement in the market.