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: Sep 12, 5:03 AM EST
Polymarket
This market refers to the doubles tennis match between Biryukov/Binda and Delaney/Delaney in the Shanghai, originally scheduled for September 12, 2026 at 3:00AM ET. This market will resolve to 'Biryukov/Binda' if the team of Biryukov/Binda advances against Delaney/Delaney. This market will resolve to 'Delaney/Delaney' if the team of Delaney/Delaney advances against Biryukov/Binda. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 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 Biryukov/Binda and Delaney/Delaney in the Shanghai, originally scheduled for September 12, 2026 at 3:00AM ET. This market will resolve to 'Biryukov/Binda' if the team of Biryukov/Binda advances against Delaney/Delaney. This market will resolve to 'Delaney/Delaney' if the team of Delaney/Delaney advances against Biryukov/Binda. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 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 reflect the wisdom of the crowd, potentially diverging from sportsbook odds due to differing information or biases. Sportsbooks may set initial lines based on statistical models and expert analysis, but this market allows anyone to trade on their beliefs. If a significant number of traders believe a sportsbook has mispriced the probability of a particular outcome, they can take the opposite position, driving the prediction market odds in a different direction. This dynamic can sometimes lead to prediction markets being more accurate than traditional sportsbooks.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market price fluctuates based on supply and demand; if more people buy shares representing Biryukov/Binda winning, the price will increase, and vice versa. This creates a dynamic pricing system that reflects the collective intelligence of the traders on the platform.
This market resolves around Sep 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Shanghai doubles match between Biryukov/Binda and Delaney/Delaney. The winning team as determined by the official tournament organizers will be used to determine the outcome of this market. Traders will be able to claim their winnings once the resolution is finalized and verified on Polymarket.
Several signals or events could significantly move this market. Any news regarding player injuries, changes in team strategy, or unexpected performance in preceding matches could influence trader sentiment. Updates on weather conditions in Shanghai, which could affect playing conditions, might also play a role. Furthermore, any public statements from analysts or experts offering predictions about the match could shift the odds. Overall, any information that alters the perceived probability of either team winning has the potential to impact the price of shares in this market.