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: Sep 4, 5:53 PM EST
Polymarket
This market refers to the doubles tennis match between Blockx/Prizmic and Gille/Verbeek in the US Open ATP, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Blockx/Prizmic' if the team of Blockx/Prizmic advances against Gille/Verbeek. This market will resolve to 'Gille/Verbeek' if the team of Gille/Verbeek advances against Blockx/Prizmic. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Blockx/Prizmic and Gille/Verbeek in the US Open ATP, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Blockx/Prizmic' if the team of Blockx/Prizmic advances against Gille/Verbeek. This market will resolve to 'Gille/Verbeek' if the team of Gille/Verbeek advances against Blockx/Prizmic. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.
Currently, prediction market odds often reflect a different perspective than traditional sportsbooks. Sportsbooks typically incorporate a 'vig' or commission into their odds, while Polymarket allows traders to directly assess the probability of an outcome. This can lead to discrepancies, as the 'wisdom of the crowd' on Polymarket may assign different probabilities than those set by sportsbook analysts. It's common to see differences in implied probabilities, particularly when there's significant public interest or disagreement about the likely result of this match.
This market resolves around Sep 11, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on the official results published by the US Open tournament organizers, determining which team—Blockx/Prizmic or Gille/Verbeek—wins the doubles match. The platform will then verify the result against these sources to finalize the market and distribute payouts to winning share holders. The outcome is based on the official tournament result.
Several factors could influence trading activity in this market. Any news regarding player injuries or changes in team strategy for either Blockx/Prizmic or Gille/Verbeek would likely cause price fluctuations. Unexpected performance in earlier rounds of the tournament, or even weather conditions affecting play, could also shift market sentiment. Additionally, large trading volume from influential traders on Polymarket could create momentum and drive price changes as the US Open progresses.