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 28, 10:00 AM EST
Polymarket
This market refers to the tennis match between Roger Pascual and Masamichi Imamura in the Bloomfield Hills, originally scheduled for July 21, 2026 at 10:00AM ET. This market will resolve to 'Roger Pascual' if Roger Pascual advances against Masamichi Imamura. This market will resolve to 'Masamichi Imamura' if Masamichi Imamura advances against Roger Pascual. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 tennis match between Roger Pascual and Masamichi Imamura in the Bloomfield Hills, originally scheduled for July 21, 2026 at 10:00AM ET. This market will resolve to 'Roger Pascual' if Roger Pascual advances against Masamichi Imamura. This market will resolve to 'Masamichi Imamura' if Masamichi Imamura advances against Roger Pascual. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market aggregates trader conviction across the full time horizon until resolution, potentially capturing information that sportsbooks have not yet priced in. Comparing the two can reveal where the crowd sees value or where consensus differs from traditional oddsmaking.
On Polymarket, this market is priced through an automated market maker that converts trader buy and sell orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares representing each outcome, and the price of those shares adjusts continuously based on supply and demand. The current price of a winning outcome share reflects the market's collective estimate of that result's likelihood. As new information emerges or trader sentiment shifts, prices update instantly to equilibrate the order flow.
This market resolves around Jul 28, 2026, once the event concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official result of the matchup between the two fighters. Until that point, traders can continue to buy and sell shares as new information and analysis become available. Resolution typically occurs within hours of the event's completion, after which no further trading is permitted.
Several catalysts could shift trader positioning before Jul 28, 2026. Fighter injury reports, training camp updates, or official weigh-in results may trigger repricing as new information about physical condition or readiness emerges. Media analysis, expert commentary, and social media sentiment can also influence trader conviction. Betting action from sharp bettors or institutional players may signal confidence in a particular outcome. Any official announcement regarding the bout's status or rule changes would likewise move the market as traders reassess probabilities.