TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 26, 4:53 PM EST
Polymarket
This market refers to the doubles tennis match between Gannon/Mackinlay and Barry/Geerts in the Roehampton 2, originally scheduled for August 25, 2026 at 5:00AM ET. This market will resolve to 'Gannon/Mackinlay' if the team of Gannon/Mackinlay advances against Barry/Geerts. This market will resolve to 'Barry/Geerts' if the team of Barry/Geerts advances against Gannon/Mackinlay. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Gannon/Mackinlay and Barry/Geerts in the Roehampton 2, originally scheduled for August 25, 2026 at 5:00AM ET. This market will resolve to 'Gannon/Mackinlay' if the team of Gannon/Mackinlay advances against Barry/Geerts. This market will resolve to 'Barry/Geerts' if the team of Barry/Geerts advances against Gannon/Mackinlay. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 often differ from traditional sportsbook lines because they are driven by trader sentiment rather than set by oddsmakers. In this market, the probability implied by trader bets can be higher or lower than sportsbook favorites, depending on crowd insights and recent form. These differences may also shift based on trading volume and public interest before the match.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders actively set the price through their bets, which determines the implied probability for each outcome. The current top outcome’s chance reflects the collective wisdom of participants, adjusted for recent trading activity. Volume and liquidity also influence how prices move as the event nears, allowing rapid shifts based on new information or sentiment.
This market resolves around Sep 1, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will update the market accordingly based on confirmed scores and tournament results.