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: Aug 31, 3:48 PM EST
Polymarket
This market refers to the tennis match between Martyna Sikora and Alis Geikhman in the W15 Grodzisk Mazowiecki, Qualifying, originally scheduled for August 31, 2026 at 1:12PM ET. This market will resolve to 'Martyna Sikora' if Martyna Sikora advances against Alis Geikhman. This market will resolve to 'Alis Geikhman' if Alis Geikhman advances against Martyna Sikora. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 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 Martyna Sikora and Alis Geikhman in the W15 Grodzisk Mazowiecki, Qualifying, originally scheduled for August 31, 2026 at 1:12PM ET. This market will resolve to 'Martyna Sikora' if Martyna Sikora advances against Alis Geikhman. This market will resolve to 'Alis Geikhman' if Alis Geikhman advances against Martyna Sikora. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 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 resolves around Sep 7, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match outcome — who wins between the two players — and this information is checked against reliable sports news sources and tournament records. No internal platform mechanisms or formulas are involved; it relies solely on publicly confirmed results.
Several signals could shift this market before it resolves. Key player injuries, changes in form or recent match performances, weather conditions affecting play, and any last-minute tournament updates can all influence trader sentiment. Media coverage highlighting strengths or weaknesses may also cause rapid price changes. As the match nears, any shift in betting volume or large trades can move the odds quickly, reflecting updated expectations among participants on Polymarket.