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 15, 6:05 PM EST
Polymarket
This market refers to the tennis match between Garrett Johns and Patrick Maloney in the Newport, originally scheduled for July 8, 2026 at 6:05PM ET. This market will resolve to 'Garrett Johns' if Garrett Johns advances against Patrick Maloney. This market will resolve to 'Patrick Maloney' if Patrick Maloney 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 Patrick Maloney in the Newport, originally scheduled for July 8, 2026 at 6:05PM ET. This market will resolve to 'Garrett Johns' if Garrett Johns advances against Patrick Maloney. This market will resolve to 'Patrick Maloney' if Patrick Maloney 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.
Prediction market odds and sportsbook odds often diverge because they serve different purposes and attract different participants. Sportsbooks set odds to balance their book and manage risk, while prediction markets aggregate the collective beliefs of traders who profit or lose based on accuracy. This market may reflect information faster or differently than traditional sportsbooks, especially as new training footage, injury reports, or analyst commentary emerges. Comparing the two can reveal where the crowd sees value that bookmakers have priced differently.
On Polymarket, traders set prices through an automated market maker that adjusts odds based on buy and sell pressure. 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, with the price reflecting the implied probability that outcome occurs. As more traders back one fighter, that share price rises and the opposing fighter's price falls. This continuous repricing mechanism ensures the market remains liquid and responsive to new information throughout the lead-up to the event.
This market resolves around Jul 15, 2026, once the fight concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official fight result—whether Johns or Maloney wins by decision, knockout, or technical decision. Resolution typically occurs within hours or a few days after the event, depending on how quickly official scorecards and results are published and verified by the platform.
Several catalysts could shift odds significantly before Jul 15, 2026. Training footage or sparring reports revealing either fighter's form may trigger sharp moves. Injury announcements, weight-cut concerns, or last-minute withdrawals would cause dramatic repricing. Weigh-in results, official fighter statements, and expert commentary closer to fight day often drive volume spikes. Media coverage highlighting a particular strength or weakness, plus any changes to the card or venue, can also influence trader sentiment and push this market's odds in either direction.