TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 18, 3:58 PM EST
Polymarket
This market refers to the tennis match between Garrett Johns and Paulo Dos Santos in the Kingston, originally scheduled for August 18, 2026 at 11:00AM ET. This market will resolve to 'Garrett Johns' if Garrett Johns advances against Paulo Dos Santos. This market will resolve to 'Paulo Dos Santos' if Paulo Dos Santos advances against Garrett Johns. 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 Garrett Johns and Paulo Dos Santos in the Kingston, originally scheduled for August 18, 2026 at 11:00AM ET. This market will resolve to 'Garrett Johns' if Garrett Johns advances against Paulo Dos Santos. This market will resolve to 'Paulo Dos Santos' if Paulo Dos Santos advances against Garrett Johns. 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.
On Polymarket, the current implied probability shows strong confidence in one fighter, differing noticeably from typical sportsbook lines. Prediction markets often reflect sharper insights or early action compared to traditional sportsbooks, which may incorporate broader public betting patterns or different risk models. Traders in this market have priced in a near-certain outcome, whereas sportsbooks could present a more balanced or conservative spread to manage liability. The gap highlights how decentralized betting communities can diverge from established sports betting platforms.
This market resolves around Aug 25, 2026, with the outcome confirmed once the fight’s result is verifiable from credible public reporting. The winner is determined by official match results, and the market settles accordingly. No additional interpretation is needed beyond confirming the publicly recorded outcome, ensuring a clear and transparent resolution process for all participants.
Key updates such as fighter injuries, training camp performance, or changes in betting momentum could shift probabilities before Aug 25, 2026. Media coverage highlighting either competitor’s advantages may also influence trader sentiment. As the fight approaches, any last-minute announcements — even minor ones — might cause rapid price adjustments, especially given the current lopsided positioning in this market.