TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 25, 5:09 PM EST
Polymarket
This market refers to the tennis match between Hugo Gaston and Guido Justo in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Hugo Gaston' if Hugo Gaston advances against Guido Justo. This market will resolve to 'Guido Justo' if Guido Justo advances against Hugo Gaston. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Hugo Gaston and Guido Justo in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Hugo Gaston' if Hugo Gaston advances against Guido Justo. This market will resolve to 'Guido Justo' if Guido Justo advances against Hugo Gaston. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 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 ATP Tour. A consensus of credible reporting may also be used.
This market resolves around Sep 1, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is based on the official match conclusion, and the platform will update the market accordingly shortly after the final point is played.
Key signals that could shift this market include player injuries, changes in form or confidence revealed in lead-up matches, weather conditions affecting play, and any last-minute tournament updates. As these factors develop, traders will adjust their positions, potentially creating noticeable swings in the odds on Polymarket before the match concludes.