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 17, 5:32 PM EST
Polymarket
This market refers to the tennis match between Harold Mayot and Gustavo Heide in the Kingston, originally scheduled for August 17, 2026 at 11:00AM ET. This market will resolve to 'Harold Mayot' if Harold Mayot advances against Gustavo Heide. This market will resolve to 'Gustavo Heide' if Gustavo Heide advances against Harold Mayot. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Harold Mayot and Gustavo Heide in the Kingston, originally scheduled for August 17, 2026 at 11:00AM ET. This market will resolve to 'Harold Mayot' if Harold Mayot advances against Gustavo Heide. This market will resolve to 'Gustavo Heide' if Gustavo Heide advances against Harold Mayot. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 ATP Tour. A consensus of credible reporting may also be used.
This market resolves around Aug 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official contest outcome, matching the market’s defined conditions. Traders can track news and updates leading up to the date, as these will influence the final verification process.
Injuries, training updates, or changes in fighter rankings could shift this market as they affect perceived chances of victory. Media appearances, betting trends, and analyst predictions may also sway trader sentiment. Any major development close to Aug 24, 2026—especially news impacting either fighter’s readiness—will likely cause noticeable price movement on Polymarket before resolution.