TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 2, 12:41 PM EST
Polymarket
This market refers to the tennis match between Felien Willemse and Joy De Zeeuw in the W15 Haren, Main Draw, originally scheduled for September 2, 2026 at 8:00AM ET. This market will resolve to 'Felien Willemse' if Felien Willemse advances against Joy De Zeeuw. This market will resolve to 'Joy De Zeeuw' if Joy De Zeeuw advances against Felien Willemse. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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 Felien Willemse and Joy De Zeeuw in the W15 Haren, Main Draw, originally scheduled for September 2, 2026 at 8:00AM ET. This market will resolve to 'Felien Willemse' if Felien Willemse advances against Joy De Zeeuw. This market will resolve to 'Joy De Zeeuw' if Joy De Zeeuw advances against Felien Willemse. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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 collective wisdom of a diverse group of bettors, potentially differing from those set by traditional sportsbooks. Sportsbooks establish initial lines based on statistical models and expert analysis, while this market's odds are driven by real-money trading. If a significant number of traders believe a sportsbook’s odds are inaccurate, they can express that view by trading on Polymarket, potentially causing the prediction market odds to diverge. This dynamic can sometimes lead to prediction markets being more accurate than sportsbook odds, particularly when information asymmetry exists.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the likelihood of each 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. As more traders buy shares in a particular outcome, the price increases, reflecting growing confidence. Conversely, selling pressure lowers the price, indicating decreasing confidence. This dynamic pricing ensures that the market odds continuously adapt to new information and trader sentiment surrounding the Felien Willemse vs Joy De Zeeuw match.
This market resolves around Sep 9, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will reflect the official result of the Felien Willemse vs Joy De Zeeuw match, as determined by the official tournament organizers. Traders will be able to claim their winnings based on the final, verified result. The platform will utilize publicly available and reliable sources to determine the winner of the match and finalize the market's settlement.
Several factors could influence trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updated match previews could shift trader sentiment. Unexpected announcements about either Felien Willemse or Joy De Zeeuw’s form or strategy could also cause significant price movements. Furthermore, large trading volume from informed bettors could signal new information entering the market, leading to adjustments in the implied probabilities. Monitoring these signals will be key to understanding how this market evolves leading up to Sep 9, 2026.