TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 10, 6:00 AM EST
Polymarket
This market refers to the doubles tennis match between Romboli/Smith and Andreozzi/Guinard in the Wimbledon ATP, originally scheduled for July 3, 2026 at 6:00AM ET. This market will resolve to 'Romboli/Smith' if the team of Romboli/Smith advances against Andreozzi/Guinard. This market will resolve to 'Andreozzi/Guinard' if the team of Andreozzi/Guinard advances against Romboli/Smith. 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 Romboli/Smith and Andreozzi/Guinard in the Wimbledon ATP, originally scheduled for July 3, 2026 at 6:00AM ET. This market will resolve to 'Romboli/Smith' if the team of Romboli/Smith advances against Andreozzi/Guinard. This market will resolve to 'Andreozzi/Guinard' if the team of Andreozzi/Guinard advances against Romboli/Smith. 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 lock in profit margins, while prediction markets aggregate the beliefs of traders risking real capital. This market may price the outcome differently than major sportsbooks, particularly if one venue attracts sharper or more specialized bettors. Comparing the two can reveal where consensus is strongest and where informed traders see value relative to conventional betting lines.
On Polymarket, traders set prices through an automated market maker that adjusts odds based on buy and sell pressure. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on one outcome, and the price you see reflects the current probability implied by recent trades. As more capital flows into one side, the price moves to rebalance supply and demand. This continuous repricing mechanism means the odds you observe are always responsive to new information and trader conviction.
This market resolves around Jul 10, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by which team wins the doubles final at Wimbledon. No ambiguity exists in the result—the winning pair is objectively established by the tournament organizers and widely reported. Your position settles based on the confirmed winner, with payouts distributed accordingly to those holding the correct outcome share.
Player injuries, fitness updates, and recent form on grass courts can significantly shift odds in this market. News about either team's preparation, coaching changes, or head-to-head records will influence trader positioning. Weather forecasts closer to the event date may also matter, as grass-court play is weather-sensitive. Major upsets in earlier rounds or unexpected withdrawals could reshape expectations. Real-time match developments during the tournament will drive price swings as traders react to emerging favorites and underdogs.