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 20, 10:00 AM EST
Polymarket
This market refers to the tennis match between Yuta Shimizu and Jay Dylan Friend in the Granby, originally scheduled for July 13, 2026 at 10:00AM ET. This market will resolve to 'Yuta Shimizu' if Yuta Shimizu advances against Jay Dylan Friend. This market will resolve to 'Jay Dylan Friend' if Jay Dylan Friend advances against Yuta Shimizu. 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 Yuta Shimizu and Jay Dylan Friend in the Granby, originally scheduled for July 13, 2026 at 10:00AM ET. This market will resolve to 'Yuta Shimizu' if Yuta Shimizu advances against Jay Dylan Friend. This market will resolve to 'Jay Dylan Friend' if Jay Dylan Friend advances against Yuta Shimizu. 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 traditional 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 let traders directly stake capital on outcomes they believe will occur. This market aggregates the views of many independent traders rather than a single operator, sometimes surfacing information or consensus that sportsbooks have not yet fully priced in. Comparing the two can reveal where public opinion and professional oddsmakers disagree.
On Polymarket, this market is priced through an automated market maker that converts trader activity 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 cumulative bets placed by all participants. As more capital flows toward one outcome, its price rises and the competing outcome's price falls, creating a dynamic equilibrium that updates throughout the trading window.
This market resolves around Jul 20, 2026, once the grappling match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—whether Shimizu or Friend prevails—as documented by event organizers or established sports media. Until that point, traders can continue to buy and sell shares as new information emerges.
Market prices may shift in response to fighter training updates, injury reports, recent performance footage, or expert analysis from grappling commentators. Weigh-in results, head-to-head record discussions, and any changes to match conditions or ruleset could also influence trader sentiment. Social media momentum, betting patterns on other platforms, and statements from either competitor may prompt repricing as the event date approaches. Real-time trading activity itself can amplify or dampen these moves.