TOTAL VOLUME:
$154.4b
24H VOL:
$235,918,089
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,884,820,873
413,109
Markets across
40,428
events
MATCHED EVENTS:
4,364
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 17, 2:44 AM EST
Polymarket
This market refers to the tennis match between Harriet Dart and Rina Saigo in the Japan Women's Open, Qualification, originally scheduled for October 17, 2026 at 12:00AM ET. This market will resolve to 'Harriet Dart' if Harriet Dart advances against Rina Saigo. This market will resolve to 'Rina Saigo' if Rina Saigo advances against Harriet Dart. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Harriet Dart and Rina Saigo in the Japan Women's Open, Qualification, originally scheduled for October 17, 2026 at 12:00AM ET. This market will resolve to 'Harriet Dart' if Harriet Dart advances against Rina Saigo. This market will resolve to 'Rina Saigo' if Rina Saigo advances against Harriet Dart. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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 WTA Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines to balance action, while this market’s probabilities are driven by actual trading volume and individual beliefs. If a significant number of traders believe a sportsbook is mispricing the likelihood of a particular outcome in the Dart vs Saigo match, they can express that view by trading on Polymarket. This can lead to differences in implied probabilities between the two, potentially offering opportunities for arbitrage or informed betting.
This market resolves around Oct 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Japan Women's Open, Qualification match between Harriet Dart and Rina Saigo. The platform will verify the winner against official tournament results to determine the winning share and fulfill payouts accordingly. The resolution process ensures a transparent and reliable outcome based on the actual event results.
Several factors could influence trading activity in this market before resolution. Any news regarding player form, injuries to either Harriet Dart or Rina Saigo, or changes in playing conditions could shift probabilities. Unexpected results in other matches involving these players leading up to the event might also impact trader sentiment. Furthermore, large trades by influential market participants could cause noticeable price movements. Monitoring tennis news and following trading volume on Polymarket will provide insight into potential catalysts that could move this market.