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: Jul 8, 6:00 AM EST
Polymarket
This market refers to the doubles tennis match between Doumbia/Reboul and Kirkov/Stevens in the Wimbledon ATP, originally scheduled for July 1, 2026 at 6:00AM ET. This market will resolve to 'Doumbia/Reboul' if the team of Doumbia/Reboul advances against Kirkov/Stevens. This market will resolve to 'Kirkov/Stevens' if the team of Kirkov/Stevens advances against Doumbia/Reboul. 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 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 Doumbia/Reboul and Kirkov/Stevens in the Wimbledon ATP, originally scheduled for July 1, 2026 at 6:00AM ET. This market will resolve to 'Doumbia/Reboul' if the team of Doumbia/Reboul advances against Kirkov/Stevens. This market will resolve to 'Kirkov/Stevens' if the team of Kirkov/Stevens advances against Doumbia/Reboul. 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 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.
Prediction market odds and sportsbook odds often diverge because they operate under different incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven purely by trader conviction and information flow. Sportsbooks may adjust lines based on betting volume and liability management, whereas this market reprices continuously as new evidence emerges. Over time, prediction markets tend to reflect ground truth more accurately because traders with superior information can profit by correcting mispriced outcomes.
On Polymarket, traders set the odds by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on the event outcome, and the price of each share reflects the probability assigned by the market at any given moment. As more traders accumulate shares in one outcome, the price adjusts upward, and the competing outcome becomes cheaper. This continuous repricing mechanism ensures the market remains responsive to breaking news, expert analysis, and other signals that influence the likely winner.
This market resolves around Jul 8, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by which team wins the doubles contest at Wimbledon. Resolution occurs after the final point is played and the official result is confirmed through tournament records and major sports reporting outlets. Until that time, prices will fluctuate as traders update their expectations based on player performance, injuries, and other match-day developments.
Several catalysts could shift prices significantly before resolution. Player injuries or withdrawals announced before the match would trigger sharp repricing, as would unexpected lineup changes or coaching decisions. During play, momentum swings, set outcomes, and performance by key players will drive continuous trading. Pre-match news—such as recent tournament results, head-to-head records, or court surface suitability—can also move the market. Weather delays or other logistical factors affecting match timing may prompt traders to reassess their positions based on fatigue and preparation.