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: Aug 20, 2:47 PM EST
Polymarket
This market refers to the doubles tennis match between Basel/Ribero and Merino/Zhu in the Sion, originally scheduled for August 20, 2026 at 4:00AM ET. This market will resolve to 'Basel/Ribero' if the team of Basel/Ribero advances against Merino/Zhu. This market will resolve to 'Merino/Zhu' if the team of Merino/Zhu advances against Basel/Ribero. 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 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 Basel/Ribero and Merino/Zhu in the Sion, originally scheduled for August 20, 2026 at 4:00AM ET. This market will resolve to 'Basel/Ribero' if the team of Basel/Ribero advances against Merino/Zhu. This market will resolve to 'Merino/Zhu' if the team of Merino/Zhu advances against Basel/Ribero. 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 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.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders set the price through their bets, creating a dynamic market that reflects real-time sentiment about the match. The top outcome’s chance percentage shows what the majority of participants expect at any given moment. Volume of $117 indicates how much trading activity is behind those prices. As the event approaches, any new data — such as player form or draw changes — can cause rapid shifts in the odds on Polymarket.
This market resolves around Aug 27, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be based on the official match outcome, and the platform will update the market accordingly. No further interpretation or external judgment is needed — the resolution follows the match’s final, publicly recorded result.
Several signals could shift this market before it resolves. Key factors include player injuries, changes to the match venue or schedule, weather conditions on match day, and any last-minute team adjustments. As these developments arise, traders on Polymarket will react, potentially moving the odds quickly. Monitoring official tournament announcements and player health updates can help anticipate where this market might head in the days leading up to Aug 27, 2026.