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 14, 11:00 AM EST
Polymarket
This market refers to the doubles tennis match between Bianchi/Milavsky and Isaro/Poonacha in the Newport, originally scheduled for July 7, 2026 at 11:00AM ET. This market will resolve to 'Bianchi/Milavsky' if the team of Bianchi/Milavsky advances against Isaro/Poonacha. This market will resolve to 'Isaro/Poonacha' if the team of Isaro/Poonacha advances against Bianchi/Milavsky. 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 Bianchi/Milavsky and Isaro/Poonacha in the Newport, originally scheduled for July 7, 2026 at 11:00AM ET. This market will resolve to 'Bianchi/Milavsky' if the team of Bianchi/Milavsky advances against Isaro/Poonacha. This market will resolve to 'Isaro/Poonacha' if the team of Isaro/Poonacha advances against Bianchi/Milavsky. 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 protect their margin, while prediction markets aggregate the beliefs of traders risking real capital. This market may show different implied probabilities than major sportsbooks, particularly if one venue has sharper or more active participation. Comparing the two can reveal where informed traders see value relative to conventional bookmakers.
On Polymarket, traders set the odds for this market through an automated market maker that adjusts prices based on order flow and liquidity. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome is represented as a contract with a price between 0 and 1, where the sum of all outcomes equals 1. As traders buy or sell contracts, the price moves to reflect the crowd's updated belief about which team will win. The current market price directly translates to an implied probability, making it transparent how the platform values each side.
This market resolves around Jul 14, 2026, once the Newport doubles match concludes and the result is verifiable from credible public sources. The outcome is determined by which team wins the match according to official tournament records. Until that point, traders can buy and sell positions based on their expectations. Resolution is automatic once the event is confirmed, and all positions are settled accordingly.
Several factors could shift odds in this market before the match begins. Player injuries, recent form, head-to-head records, and court surface conditions all influence trader expectations. News about player fitness or withdrawal would trigger sharp repricing. Tournament seeding, draw position, and momentum from earlier rounds may also sway sentiment. Weather forecasts closer to the event date could matter if conditions favor one team's style. Real-time match updates during play will drive the most dramatic price swings as traders react to live performance.