TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 9, 10:36 AM EST
Polymarket
This market refers to the tennis match between Stefan Seifert and Antoine Walch in the M25 Plaisir + H, Main Draw, originally scheduled for September 9, 2026 at 6:00AM ET. This market will resolve to 'Stefan Seifert' if Stefan Seifert advances against Antoine Walch. This market will resolve to 'Antoine Walch' if Antoine Walch advances against Stefan Seifert. 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 Stefan Seifert and Antoine Walch in the M25 Plaisir + H, Main Draw, originally scheduled for September 9, 2026 at 6:00AM ET. This market will resolve to 'Stefan Seifert' if Stefan Seifert advances against Antoine Walch. This market will resolve to 'Antoine Walch' if Antoine Walch advances against Stefan Seifert. 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.
Comparing prediction market odds to sportsbook odds reveals how the wisdom of the crowd stacks up against professional oddsmakers. Often, prediction markets can offer different insights, especially as new information emerges. Sportsbooks initially set lines based on statistical models and expert analysis, but this market allows for dynamic adjustments based on a broader range of perspectives and potentially unique data. Discrepancies can arise due to differing opinions on player form, potential injuries, or even weather conditions impacting the Stefan Seifert vs Antoine Walch match.
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 each share reflects the current consensus probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the price adjusts accordingly, providing a real-time assessment of the expected result of the Stefan Seifert vs Antoine Walch match. This creates a dynamic pricing system driven by supply and demand, offering a unique perspective compared to traditional betting options.
This market resolves around Sep 16, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Stefan Seifert vs Antoine Walch match, as reported by the governing sports body. The platform will verify the result against reliable sources to ensure accuracy and transparency. Traders who correctly predicted the outcome will be eligible to receive their winnings based on the final market prices at resolution.
Several signals or events could significantly move this market before it resolves. Any news regarding player injuries to either Stefan Seifert or Antoine Walch would likely have a substantial impact. Changes in weather conditions, particularly if they affect the playing surface, could also shift the odds. Unexpected announcements about coaching strategies or team lineups could also influence trader sentiment. Furthermore, any public statements from analysts or experts offering strong opinions on the likely outcome of the Stefan Seifert vs Antoine Walch match could contribute to price fluctuations.