TOTAL VOLUME:
$134.2b
24H VOL:
$129,159,707
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,442,132,418
404,744
Markets across
30,489
events
MATCHED EVENTS:
2,691
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 16, 4:54 PM EST
Polymarket
This market refers to the tennis match between Garrett Johns and Guillaume Dalmasso in the Kingston, Jamaica, Qualifying, originally scheduled for August 16, 2026 at 1:20PM ET. This market will resolve to 'Garrett Johns' if Garrett Johns advances against Guillaume Dalmasso. This market will resolve to 'Guillaume Dalmasso' if Guillaume Dalmasso 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 Guillaume Dalmasso in the Kingston, Jamaica, Qualifying, originally scheduled for August 16, 2026 at 1:20PM ET. This market will resolve to 'Garrett Johns' if Garrett Johns advances against Guillaume Dalmasso. This market will resolve to 'Guillaume Dalmasso' if Guillaume Dalmasso 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, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders determine the price through their buying and selling activity. The current top outcome’s implied chance reflects the collective assessment of all participants, updated continuously as bets are placed. Volume of $2,840 and recent 24-hour volume of $2,840 show how actively the market is trading, with price shifts often following notable news or analysis surrounding the fighters.
This market resolves around Aug 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official declaration of the winner, which may come from the bout’s governing body or widely accepted sports news outlets immediately following the fight.
Several signals could shift this market before it settles. Key events include pre-fight media appearances, injury updates, changes in training camp momentum, and betting trends as the event draws nearer. Any surprise developments — such as a last-minute fighter change or shifting public sentiment — may cause rapid repricing as traders adjust their expectations on Polymarket.