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: Sep 5, 1:50 PM EST
Polymarket
This market refers to the doubles tennis match between Demoliner/Ho and Lammons/Withrow in the US Open ATP, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Demoliner/Ho' if the team of Demoliner/Ho advances against Lammons/Withrow. This market will resolve to 'Lammons/Withrow' if the team of Lammons/Withrow advances against Demoliner/Ho. 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 Demoliner/Ho and Lammons/Withrow in the US Open ATP, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Demoliner/Ho' if the team of Demoliner/Ho advances against Lammons/Withrow. This market will resolve to 'Lammons/Withrow' if the team of Lammons/Withrow advances against Demoliner/Ho. 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from sportsbook odds due to varying factors such as differing levels of information, biases, and market participants. Sportsbooks often set initial lines to balance action, while this market allows traders to freely adjust probabilities based on their own analysis. It's common to see discrepancies, especially as new information emerges or public sentiment shifts regarding the US Open doubles match. Examining these differences can reveal insights into where the crowd and bookmakers disagree on the likely outcome.
This market resolves around Sep 11, 2026, with the outcome confirmed once the result of the US Open doubles match is verifiable from credible public reporting. Resolution will be based on the official results published by the tournament organizers. The winning pair in the Demoliner/Ho versus Lammons/Withrow match will determine the outcome of this market. Traders who correctly predicted the winner will receive a payout based on the final share price at the time of resolution, while those who predicted incorrectly will forfeit their stake.
Several factors could influence the price of this market before the US Open doubles match concludes. Any news regarding player injuries, changes in playing conditions, or unexpected performance in earlier rounds could shift trader sentiment. Strong performances by either team in other matches leading up to their encounter will likely impact the odds. Additionally, significant betting activity or analysis from tennis experts could also cause the market to move. Monitoring these signals will be key to understanding potential shifts in the perceived probability of each team winning.