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 20, 4:00 AM EST
Polymarket
This market refers to the tennis match between Juan Martin and Harold Mayot in the Cordenons, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Juan Martin' if Juan Martin advances against Harold Mayot. This market will resolve to 'Harold Mayot' if Harold Mayot advances against Juan Martin. 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 Juan Martin and Harold Mayot in the Cordenons, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Juan Martin' if Juan Martin advances against Harold Mayot. This market will resolve to 'Harold Mayot' if Harold Mayot advances against Juan Martin. 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 may show higher or lower implied probabilities than traditional sports betting sites, depending on whether informed traders see value the books have missed. Comparing the two can reveal where consensus is strongest and where outlier views persist.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders buy shares predicting one outcome, the price rises; selling pressure lowers it. The mechanism ensures continuous pricing without a traditional order book, allowing you to enter or exit positions instantly at the current implied probability. Spreads tighten as volume increases, rewarding active participation.
This market resolves around Jul 20, 2026, once the boxing event concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result—whether the bout ends in a decision, knockout, or other recognized conclusion. Traders holding shares in the winning outcome will receive their payout once resolution is finalized, while losing positions expire worthless.
Key catalysts include fighter injury reports, training camp updates, and official weigh-in results, all of which can shift trader confidence in either competitor. Media coverage, expert analysis, and betting syndicate activity on external sportsbooks often ripple into prediction markets within hours. Changes in fighter odds across multiple venues, social media momentum, or surprise announcements about venue or rule changes can also trigger sharp repricing. Close to the event date, late-breaking news tends to drive the most volatile swings.