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: Sep 11, 7:57 AM EST
Polymarket
This market refers to the doubles tennis match between Delaney/Delaney and Nam/Park in the Shanghai, originally scheduled for September 11, 2026 at 6:30AM ET. This market will resolve to 'Delaney/Delaney' if the team of Delaney/Delaney advances against Nam/Park. This market will resolve to 'Nam/Park' if the team of Nam/Park advances against Delaney/Delaney. 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 Delaney/Delaney and Nam/Park in the Shanghai, originally scheduled for September 11, 2026 at 6:30AM ET. This market will resolve to 'Delaney/Delaney' if the team of Delaney/Delaney advances against Nam/Park. This market will resolve to 'Nam/Park' if the team of Nam/Park advances against Delaney/Delaney. 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines based on expert analysis and incorporate a profit margin, while this market allows anyone to trade on their beliefs. If a significant discrepancy exists, arbitrage opportunities may arise, where traders can profit by simultaneously betting on both platforms. However, it’s important to note that prediction market odds are dynamic and change rapidly based on trading activity, potentially converging with sportsbook odds as the event approaches.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of each 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 price fluctuates based on supply and demand; increased buying pressure drives the price up, indicating growing confidence in that outcome, while selling pressure lowers the price. This dynamic pricing ensures that the market reflects the collective intelligence of all participants.
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 Shanghai doubles match between Delaney/Delaney and Nam/Park. The platform will verify the result against established sports data sources to determine the winning outcome. Traders who hold shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment.
Several signals could influence trading activity in this market. Any news regarding player injuries, changes in team strategy, or even weather conditions affecting the match could shift trader sentiment. Unexpected results in other matches involving these players could also impact predictions. Furthermore, large trades by influential market participants could create momentum and drive price movements. Monitoring these factors and analyzing the evolving trading volume will be key to understanding how this market behaves leading up to Sep 18, 2026.