TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 26, 5:22 PM EST
Polymarket
This market refers to the tennis match between Tyra Caterina Grant and Himeno Sakatsume in the US Open, Qualification WTA, originally scheduled for August 26, 2026 at 11:00AM ET. This market will resolve to 'Tyra Caterina Grant' if Tyra Caterina Grant advances against Himeno Sakatsume. This market will resolve to 'Himeno Sakatsume' if Himeno Sakatsume advances against Tyra Caterina Grant. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 9, 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Tyra Caterina Grant and Himeno Sakatsume in the US Open, Qualification WTA, originally scheduled for August 26, 2026 at 11:00AM ET. This market will resolve to 'Tyra Caterina Grant' if Tyra Caterina Grant advances against Himeno Sakatsume. This market will resolve to 'Himeno Sakatsume' if Himeno Sakatsume advances against Tyra Caterina Grant. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 9, 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 WTA Tour. A consensus of credible reporting may also be used.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through a continuous order book where traders submit bids and asks to set odds. The current top outcome chance reflects the aggregated positions of all participants, updating instantly with each trade. Market depth and liquidity, represented by a 24-hour volume of $84,080, influence how smoothly prices adjust. Traders can also place bets on both possible outcomes, which helps balance the market and determines the final implied probability.
This market resolves around Sep 2, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be based on the official match conclusion, and once the winner is announced by tournament organizers and reported widely, the market will close and payouts will be processed accordingly.
Injuries, recent match performances, or changes in player rankings could shift this market as the event approaches. Media coverage highlighting key strengths or weaknesses may also influence trader sentiment. Any last-minute updates from the tournament, such as seeding changes or weather conditions affecting play, can cause rapid movements in odds on Polymarket as participants reassess their positions based on new information.