TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 11, 11:16 AM EST
Polymarket
This market refers to the doubles tennis match between Fuchs/Perez and Hands/Summers in the Cassis, originally scheduled for September 11, 2026 at 6:00AM ET. This market will resolve to 'Fuchs/Perez' if the team of Fuchs/Perez advances against Hands/Summers. This market will resolve to 'Hands/Summers' if the team of Hands/Summers advances against Fuchs/Perez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 25, 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 Fuchs/Perez and Hands/Summers in the Cassis, originally scheduled for September 11, 2026 at 6:00AM ET. This market will resolve to 'Fuchs/Perez' if the team of Fuchs/Perez advances against Hands/Summers. This market will resolve to 'Hands/Summers' if the team of Hands/Summers advances against Fuchs/Perez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 25, 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.
Often, prediction market odds reflect a wisdom-of-the-crowd effect, potentially diverging from traditional sportsbook odds. Sportsbooks may set initial lines based on statistical models and expert analysis, while this market incorporates the collective beliefs of many individual traders. If a significant number of traders believe a sportsbook has mispriced an outcome, they can create arbitrage opportunities by trading in this market. This can lead to prediction market odds being more accurate, or at least representing a different perspective than those found at sportsbooks.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their beliefs about the outcome of the Cassis doubles match. The price of a share directly corresponds to the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders who buy shares in a particular outcome, the higher its price will rise, and vice versa. This dynamic pricing reflects the evolving consensus of the crowd.
This market resolves around Sep 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Cassis doubles match between Fuchs/Perez and Hands/Summers. The platform will verify the result against publicly available sources to determine which outcome corresponds to the actual event result. Traders holding shares in the winning outcome will receive a payout of 1 USDC per share, while those holding shares in the losing outcome will receive nothing.
Several factors could influence trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updated match previews could shift trader sentiment. Unexpected upsets in other matches featuring these players could also impact predictions. Furthermore, large trades by influential market participants or significant media coverage of the match could create momentum and cause the odds to move. Monitoring these signals will be key to understanding how this market evolves leading up to Sep 18, 2026.