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 1, 1:10 PM EST
Polymarket
This market refers to the tennis match between Aaron James Williams and Mikhail Tsapenko in the M25 Meerbusch, Main Draw, originally scheduled for September 1, 2026 at 11:20AM ET. This market will resolve to 'Aaron James Williams' if Aaron James Williams advances against Mikhail Tsapenko. This market will resolve to 'Mikhail Tsapenko' if Mikhail Tsapenko advances against Aaron James Williams. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 15, 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 Aaron James Williams and Mikhail Tsapenko in the M25 Meerbusch, Main Draw, originally scheduled for September 1, 2026 at 11:20AM ET. This market will resolve to 'Aaron James Williams' if Aaron James Williams advances against Mikhail Tsapenko. This market will resolve to 'Mikhail Tsapenko' if Mikhail Tsapenko advances against Aaron James Williams. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 15, 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 in this market often differ from traditional sportsbook lines due to the decentralized nature of trader-driven pricing. While sportsbooks may set their lines based on analytical models and historical data, prediction markets reflect the collective wisdom of participants, which can lead to sharper or more volatile pricing depending on recent performance, injuries, or other factors influencing player form.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders set the odds through their bets, creating a dynamic price that adjusts with each transaction. The current top outcome reflects the aggregate expectations of participants, with volume and recent activity shaping the market’s direction. This decentralized pricing mechanism allows for rapid adjustments based on new information or shifts in sentiment leading up to the match.
This market resolves around Sep 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will update the market accordingly based on confirmed scores from reliable sports news and tournament organizers.
Injuries, weather delays, or recent form updates for either player can significantly shift this market. Key signals include practice session reports, rankings changes, or any last-minute tournament announcements. As the match date approaches, any shift in betting volume or media coverage highlighting performance metrics may also cause price movements, reflecting updated expectations among traders on Polymarket.