TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 20, 11:00 AM EST
Polymarket
This market refers to the tennis match between Masamichi Imamura and James McCabe in the Lincoln, originally scheduled for July 13, 2026 at 11:00AM ET. This market will resolve to 'Masamichi Imamura' if Masamichi Imamura advances against James McCabe. This market will resolve to 'James McCabe' if James McCabe advances against Masamichi Imamura. 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 Masamichi Imamura and James McCabe in the Lincoln, originally scheduled for July 13, 2026 at 11:00AM ET. This market will resolve to 'Masamichi Imamura' if Masamichi Imamura advances against James McCabe. This market will resolve to 'James McCabe' if James McCabe advances against Masamichi Imamura. 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 markets and sportsbooks price events differently because they operate under distinct incentive structures. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets rely on traders wagering real money on outcomes they believe will occur. This market reflects the aggregated conviction of thousands of independent participants rather than a single operator's margin. Many traders use sportsbook lines as a reference point, but prediction market prices often diverge when traders spot value or possess superior information about the fighters involved.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price you see reflects the ratio of yes to no volume at any moment. As more traders buy one side, the price moves to rebalance supply and demand. This mechanism ensures transparent, friction-free pricing without a central operator setting odds, allowing the market to respond instantly to breaking news or shifting expectations about the matchup.
This market resolves around Jul 20, 2026, once the fight concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result, ensuring clarity and finality for all traders. Until that point, prices may fluctuate as bettors reassess probabilities based on fighter news, training updates, or other relevant developments. Resolution happens automatically once the event is complete and the data is confirmed.
Several catalysts could shift prices significantly before the bout. Fighter injuries, training camp reports, or unexpected withdrawals would trigger sharp repricing. Weigh-in results, official announcements about rule changes, or venue updates may also influence trader sentiment. Media coverage highlighting one fighter's recent form or head-to-head history could sway the crowd. Additionally, if either competitor faces controversy or legal issues, the market would react swiftly. Close to the event date, late-breaking news—such as corner changes or last-minute adjustments—often drives final price movements as traders lock in their final positions.