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 24, 10:00 AM EST
Polymarket
This market refers to the tennis match between August Holmgren and Justin Boulais in the Granby, originally scheduled for July 17, 2026 at 10:00AM ET. This market will resolve to 'August Holmgren' if August Holmgren advances against Justin Boulais. This market will resolve to 'Justin Boulais' if Justin Boulais advances against August Holmgren. 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 August Holmgren and Justin Boulais in the Granby, originally scheduled for July 17, 2026 at 10:00AM ET. This market will resolve to 'August Holmgren' if August Holmgren advances against Justin Boulais. This market will resolve to 'Justin Boulais' if Justin Boulais advances against August Holmgren. 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 lock in profit margins, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market may show higher or lower probabilities than traditional sportsbooks depending on whether traders here believe the consensus underestimates or overestimates each fighter's chances. Comparing the two can reveal where smart money sees value.
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. Each outcome share trades between 0 and 1 dollar, and the current price reflects the collective estimate of all active traders. As new information emerges—training footage, injury reports, or expert commentary—traders adjust their positions, shifting the price and the implied probability of each fighter winning the bout.
This market resolves around Jul 24, 2026, once the boxing match concludes and the result is verifiable from credible public sources. The outcome is determined by the official fight result: whether Holmgren or Boulais wins by decision, knockout, or technical decision. Any draw or no-contest ruling would be reflected in the resolution. Traders holding shares in the winning outcome receive their payout once the result is confirmed and the market settles.
Several catalysts could shift trader sentiment before the bout. Injury announcements or fighter withdrawals would trigger sharp repricing. Weigh-in results, recent sparring footage, or statements from trainers and analysts often prompt significant trading activity. Odds on related events—such as round betting or method-of-victory markets—can also influence this outcome market if they reveal new information about fighter conditioning or strategy. Media coverage and betting patterns at traditional sportsbooks may likewise prompt traders to adjust their positions.