TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 16, 10:00 AM EST
Polymarket
This market refers to the doubles tennis match between Agamenone/Ribecai and Jans/Whitehouse in the Trieste, originally scheduled for July 9, 2026 at 10:00AM ET. This market will resolve to 'Agamenone/Ribecai' if the team of Agamenone/Ribecai advances against Jans/Whitehouse. This market will resolve to 'Jans/Whitehouse' if the team of Jans/Whitehouse advances against Agamenone/Ribecai. 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 Agamenone/Ribecai and Jans/Whitehouse in the Trieste, originally scheduled for July 9, 2026 at 10:00AM ET. This market will resolve to 'Agamenone/Ribecai' if the team of Agamenone/Ribecai advances against Jans/Whitehouse. This market will resolve to 'Jans/Whitehouse' if the team of Jans/Whitehouse advances against Agamenone/Ribecai. 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 incentive structures and participant bases. Sportsbooks set odds to balance liability and extract a margin, while prediction markets aggregate trader beliefs through continuous price discovery. This market's odds may lead or lag sportsbook lines depending on information flow, liquidity depth, and the sophistication of participants. Comparing the two can reveal arbitrage opportunities or signal where professional and retail traders disagree on the likely outcome.
On Polymarket, traders set prices through an automated market maker and order book mechanism, with each outcome represented as a tradable contract. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the aggregate belief of all participants buying and selling shares. As new information emerges—such as player form, injury reports, or head-to-head records—traders adjust their positions, moving prices to equilibrate supply and demand. Higher trading volume typically narrows spreads and improves price accuracy.
This market resolves around Jul 16, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by which doubles team wins the match at the Trieste tournament. Resolution occurs after the final set is completed and the winner is officially confirmed through tournament records or established sports data providers. Early resolution is possible if the match is cancelled or abandoned under tournament rules.
Key catalysts include player injury announcements, recent tournament performance, head-to-head records, and court surface conditions at Trieste. Withdrawal or substitution of any player would significantly shift odds. Pre-match betting activity and line movement at major sportsbooks can also influence trader positioning. Weather forecasts, player fatigue from prior rounds, and any official tournament updates may trigger repricing. Media coverage highlighting form or matchup dynamics can accelerate sentiment shifts as the event date approaches.