TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 11, 10:00 AM EST
Polymarket
This market refers to the doubles tennis match between Bianchi/Harper and Isaro/Poonacha in the Cary, originally scheduled for July 4, 2026 at 10:00AM ET. This market will resolve to 'Bianchi/Harper' if the team of Bianchi/Harper advances against Isaro/Poonacha. This market will resolve to 'Isaro/Poonacha' if the team of Isaro/Poonacha advances against Bianchi/Harper. 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/Harper and Isaro/Poonacha in the Cary, originally scheduled for July 4, 2026 at 10:00AM ET. This market will resolve to 'Bianchi/Harper' if the team of Bianchi/Harper advances against Isaro/Poonacha. This market will resolve to 'Isaro/Poonacha' if the team of Isaro/Poonacha advances against Bianchi/Harper. 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 pricing mechanisms. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are priced by traders who profit from accurate forecasts. This market aggregates the collective belief of many participants rather than relying on a single operator's model. Over time, prediction markets tend to incorporate new information quickly, sometimes moving ahead of traditional sportsbooks, though both can offer valuable perspectives on likely outcomes.
On Polymarket, traders set prices by buying and selling shares representing each possible outcome of this match. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price of a share reflects the market's aggregate belief in that outcome's probability. As new information emerges—such as player form, injuries, or head-to-head records—traders adjust their positions, moving the price up or down. This continuous price discovery process means the odds you see represent real-time consensus among active participants.
This market resolves around Jul 11, 2026, once the doubles match concludes and the result is verified against credible public sources. The outcome is determined by which team wins the match according to official tournament records. Until that point, traders can continue to buy and sell shares as odds fluctuate. Resolution is automatic once the event is confirmed, and payouts are distributed to holders of the winning outcome.
Several factors could shift odds before Jul 11, 2026. Recent performance data, head-to-head records, and player rankings may influence trader sentiment. Injury announcements or lineup changes involving any of the four competitors could trigger sharp price moves. Court conditions, weather (if outdoors), and momentum from earlier rounds in the tournament may also matter. As the match date approaches, increased trading activity and refined forecasts from analysts often cause volatility, so monitor news and betting trends closely.