TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 11, 9:00 AM EST
Polymarket
This market refers to the doubles tennis match between Doumbia/Reboul and Kopriva/Pieczonka in the Wimbledon ATP, originally scheduled for July 4, 2026 at 9:00AM ET. This market will resolve to 'Doumbia/Reboul' if the team of Doumbia/Reboul advances against Kopriva/Pieczonka. This market will resolve to 'Kopriva/Pieczonka' if the team of Kopriva/Pieczonka 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 Kopriva/Pieczonka in the Wimbledon ATP, originally scheduled for July 4, 2026 at 9:00AM ET. This market will resolve to 'Doumbia/Reboul' if the team of Doumbia/Reboul advances against Kopriva/Pieczonka. This market will resolve to 'Kopriva/Pieczonka' if the team of Kopriva/Pieczonka 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate distributed beliefs from many independent traders. This market may show higher or lower implied probabilities than major sportsbooks, depending on which side attracts more capital. Comparing the two can reveal where consensus differs and highlight potential value.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current implied probability reflects the balance of capital deployed on each side. As new information emerges or sentiment shifts, traders adjust their positions, moving the price up or down. Liquidity and trading volume influence how quickly prices respond to new signals.
This market resolves around Jul 11, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by which team wins the doubles contest at Wimbledon. Resolution typically occurs within hours of the final point, after official confirmation from the tournament. Traders holding shares in the winning outcome receive their payout automatically.
Player form, recent head-to-head records, and court conditions at the All England Club can all shift trader sentiment. Injuries or lineup changes announced before the match may trigger sharp repricing. During play, momentum swings—such as a break of serve or a tight set—often prompt live trading activity. Media coverage and expert commentary can also influence how traders reassess the probabilities as the event approaches.