TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 11, 7:24 PM EST
Polymarket
This market refers to the tennis match between Jamie Mackenzie and Jan Kumstat in the Hamburg, originally scheduled for August 11, 2026 at 4:00AM ET. This market will resolve to 'Jamie Mackenzie' if Jamie Mackenzie advances against Jan Kumstat. This market will resolve to 'Jan Kumstat' if Jan Kumstat advances against Jamie Mackenzie. 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 Jamie Mackenzie and Jan Kumstat in the Hamburg, originally scheduled for August 11, 2026 at 4:00AM ET. This market will resolve to 'Jamie Mackenzie' if Jamie Mackenzie advances against Jan Kumstat. This market will resolve to 'Jan Kumstat' if Jan Kumstat advances against Jamie Mackenzie. 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 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official contest outcome — the winner by decision, knockout, or other recognized methods — as reported through authoritative sports news sources and the event's official record. After the fight concludes, the market updates to reflect the confirmed result based on these public records.
Key signals that could shift this market include pre-fight media appearances, training updates, injury reports, and changes in betting volumes on Polymarket. Significant developments — such as a fighter’s performance in a press conference, a training camp setback, or a surge in public betting — may cause rapid price adjustments. Traders will also watch for any last-minute changes in fight odds from major sportsbooks, as these can influence sentiment and trigger further movement on Polymarket before the event.