TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 9, 4:00 AM EST
Polymarket
This market refers to the doubles tennis match between Bass/Mackinlay and Hsu/Zhu in the Troyes, originally scheduled for July 2, 2026 at 4:00AM ET. This market will resolve to 'Bass/Mackinlay' if the team of Bass/Mackinlay advances against Hsu/Zhu. This market will resolve to 'Hsu/Zhu' if the team of Hsu/Zhu advances against Bass/Mackinlay. 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 Bass/Mackinlay and Hsu/Zhu in the Troyes, originally scheduled for July 2, 2026 at 4:00AM ET. This market will resolve to 'Bass/Mackinlay' if the team of Bass/Mackinlay advances against Hsu/Zhu. This market will resolve to 'Hsu/Zhu' if the team of Hsu/Zhu advances against Bass/Mackinlay. 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 pools and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate decentralized trader beliefs through continuous price discovery. This market's odds may lead or lag traditional sportsbook pricing depending on information flow and trader conviction. Comparing the two can reveal where the crowd sees edge or where consensus is weakest, though prediction markets typically converge toward consensus as resolution approaches and new information surfaces.
On Polymarket, traders set the odds by buying and selling shares representing each possible outcome, with the share price reflecting the implied probability at any moment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price reflects the collective assessment of all active traders on the platform. As new information emerges—such as player form, injury reports, or head-to-head records—traders adjust their positions, moving the price up or down. This continuous auction mechanism ensures the market price incorporates available knowledge and trader confidence in real time.
This market resolves around Jul 9, 2026, once the 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 continue to buy and sell shares as odds fluctuate. Resolution is final once the event is confirmed, and all positions settle according to the winning outcome.
Several factors may shift odds before resolution. Injury announcements or player withdrawals involving Bass, Mackinlay, Hsu, or Zhu could significantly alter expectations. Recent tournament performance, head-to-head records, and court surface suitability may influence trader positioning. Media coverage highlighting form or momentum swings can trigger repricing. Betting action on external sportsbooks or social sentiment spikes may also prompt traders to adjust. As the match date approaches, final warm-up results and official lineups typically drive late-stage volatility.