TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 5, 10:28 AM EST
Polymarket
This market refers to the tennis match between Joy De Zeeuw and Mia Horvit in the W15 Haren, Main Draw, originally scheduled for September 4, 2026 at 9:00AM ET. This market will resolve to 'Joy De Zeeuw' if Joy De Zeeuw advances against Mia Horvit. This market will resolve to 'Mia Horvit' if Mia Horvit advances against Joy De Zeeuw. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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 Joy De Zeeuw and Mia Horvit in the W15 Haren, Main Draw, originally scheduled for September 4, 2026 at 9:00AM ET. This market will resolve to 'Joy De Zeeuw' if Joy De Zeeuw advances against Mia Horvit. This market will resolve to 'Mia Horvit' if Mia Horvit advances against Joy De Zeeuw. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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 offering a different perspective than traditional sportsbooks. Sportsbooks set initial lines based on their own analysis, while this market’s prices are driven by traders who are incentivized to accurately forecast the outcome. Discrepancies can arise due to differing information, biases, or simply the dynamics of each market. It's common to see prediction markets incorporate information and adjust prices faster than sportsbooks, especially as new information becomes available leading up to the event.
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 corresponds to the probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective expectation. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined solely by supply and demand within Polymarket, and reflects the aggregated predictions of all participants trading on the platform.
This market resolves around Sep 11, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result of the De Zeeuw vs Horvit match will be used to determine the winning outcome in this market. The resolution will be based on the official result declared by the tournament organizers, ensuring a transparent and verifiable outcome. Traders will then be able to claim their winnings or adjust their strategies for future events.
Several factors could influence the price of this market before Sep 11, 2026. Any news regarding player form, injuries, or changes to playing conditions could significantly impact trader sentiment. Unexpected upsets in other matches within the tournament could also shift expectations. Furthermore, large trades on Polymarket by informed traders could cause noticeable price movements. Monitoring tennis news and analyzing trading activity on the platform are key to understanding potential catalysts that could shift the odds.