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 19, 11:41 AM EST
Polymarket
This market refers to the tennis match between Sandro Kopp and Benjamin Hassan in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET. This market will resolve to 'Sandro Kopp' if Sandro Kopp advances against Benjamin Hassan. This market will resolve to 'Benjamin Hassan' if Benjamin Hassan advances against Sandro Kopp. 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 Sandro Kopp and Benjamin Hassan in the Sion, originally scheduled for August 19, 2026 at 4:00AM ET. This market will resolve to 'Sandro Kopp' if Sandro Kopp advances against Benjamin Hassan. This market will resolve to 'Benjamin Hassan' if Benjamin Hassan advances against Sandro Kopp. 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 collectively set the odds through buying and selling shares of possible outcomes. The current top outcome reflects the percentage of shares held by users, showing what the community believes is most likely. Market depth and recent trades influence price movements, allowing participants to speculate or hedge positions as new information emerges about the fighters.
This market resolves around Aug 26, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official declaration of the fight’s conclusion, and the market updates automatically to reflect the confirmed winner or final status of the contest. No further trading will occur after this point.
Key signals such as fight announcements, training updates, injury reports, or changes in betting momentum can shift this market. Media coverage, expert analysis, and public sentiment leading up to the event also play a role. Any development affecting the perceived likelihood of each fighter winning may cause rapid price changes as traders adjust their positions on Polymarket.