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 18, 1:00 PM EST
Polymarket
This market refers to the doubles tennis match between Kobori/Plipuech and Brantmeier/Corley in the Newport, originally scheduled for July 11, 2026 at 1:00PM ET. This market will resolve to 'Kobori/Plipuech' if the team of Kobori/Plipuech advances against Brantmeier/Corley. This market will resolve to 'Brantmeier/Corley' if the team of Brantmeier/Corley advances against Kobori/Plipuech. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Kobori/Plipuech and Brantmeier/Corley in the Newport, originally scheduled for July 11, 2026 at 1:00PM ET. This market will resolve to 'Kobori/Plipuech' if the team of Kobori/Plipuech advances against Brantmeier/Corley. This market will resolve to 'Brantmeier/Corley' if the team of Brantmeier/Corley advances against Kobori/Plipuech. 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they serve different audiences and operate under different constraints. Sportsbooks set odds to balance liability and profit margins, while prediction markets allow traders to set prices freely based on their beliefs about the outcome. This market may offer sharper or more volatile pricing than traditional sportsbooks, especially as new information surfaces. Comparing the two can reveal where professional bettors and casual traders disagree on the doubles result.
On Polymarket, this market is priced through an automated market maker or order-book mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the cumulative bets placed by participants, with higher prices indicating stronger collective confidence. Traders can enter or exit positions at any time before the market closes, and the final price at resolution determines payouts. Real-time price discovery ensures the odds adapt continuously to new match information and trading volume.
This market resolves around Jul 18, 2026, once the Newport doubles match concludes and the result is verifiable from credible public sources. The outcome is determined by which pair wins the match according to official tournament records. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless. Resolution typically occurs within hours of the final point, ensuring swift settlement and accurate payoff distribution.
Several factors could shift odds before the match begins. Player injury announcements, recent form updates, or changes in court conditions may prompt traders to adjust their positions. Pre-match commentary from tennis analysts and betting syndicates can trigger volume spikes and price swings. Withdrawal or late substitution of either player would significantly alter expectations. Real-time match events—such as early set results or momentum shifts—will drive continuous repricing as traders react to unfolding play and update their win probability estimates.