TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 8:50 AM EST
Polymarket
This market refers to the doubles tennis match between Fomin/Marrero and Heredia/Tobon in the Segovia, originally scheduled for July 21, 2026 at 5:00AM ET. This market will resolve to 'Fomin/Marrero' if the team of Fomin/Marrero advances against Heredia/Tobon. This market will resolve to 'Heredia/Tobon' if the team of Heredia/Tobon advances against Fomin/Marrero. 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 Fomin/Marrero and Heredia/Tobon in the Segovia, originally scheduled for July 21, 2026 at 5:00AM ET. This market will resolve to 'Fomin/Marrero' if the team of Fomin/Marrero advances against Heredia/Tobon. This market will resolve to 'Heredia/Tobon' if the team of Heredia/Tobon advances against Fomin/Marrero. 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 reflect different participant bases and incentive structures. Sportsbooks set odds to balance their book and manage risk, while prediction markets aggregate the beliefs of traders who have real money at stake on accuracy. This market allows you to compare how independent traders price the outcome relative to traditional sportsbook lines. Many traders monitor both venues to identify mispricings, though prediction markets tend to adjust quickly as new information surfaces.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability estimates. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the cumulative positions of all traders; as more capital flows toward one outcome, the price adjusts accordingly. This continuous repricing mechanism encourages traders to act on new information quickly, keeping the market efficient and responsive to developments in player news or match conditions.
This market resolves around Jul 28, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by which team wins the doubles match. Traders should monitor official tournament announcements and reliable sports news sources in the days leading up to resolution to stay informed about any scheduling changes or other developments that might affect the final result.
Several factors could shift market odds before resolution. Player injuries or withdrawal announcements would have an immediate impact, as would recent performance data from warm-up tournaments or practice sessions. Changes in player rankings or head-to-head records against opponents could also influence trader positioning. Media coverage highlighting form or tactical advantages may prompt repricing. Additionally, any official updates from the tournament organizers regarding court conditions, scheduling, or bracket changes could trigger significant movement in this market.