TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 17, 1:02 AM EST
Polymarket
This market refers to the doubles tennis match between Reyes/Stalder and Delaney/Delaney in the Guangzhou, originally scheduled for September 13, 2026 at 10:00PM ET. This market will resolve to 'Reyes/Stalder' if the team of Reyes/Stalder advances against Delaney/Delaney. This market will resolve to 'Delaney/Delaney' if the team of Delaney/Delaney advances against Reyes/Stalder. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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 Reyes/Stalder and Delaney/Delaney in the Guangzhou, originally scheduled for September 13, 2026 at 10:00PM ET. This market will resolve to 'Reyes/Stalder' if the team of Reyes/Stalder advances against Delaney/Delaney. This market will resolve to 'Delaney/Delaney' if the team of Delaney/Delaney advances against Reyes/Stalder. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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 collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and risk management, while this market is driven by individual predictions and the willingness to take opposing positions. Discrepancies can arise due to differing information, biases, or simply variations in how each entity assesses the probabilities of the players winning. It's common to see prediction markets incorporate information and react to news faster than sportsbooks, especially in dynamic situations.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Guangzhou doubles match. 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. As more traders buy shares, the price increases, indicating a higher perceived probability, and vice versa. This dynamic pricing ensures that the market reflects the aggregated views of all participants. The current price reflects the collective assessment of the Reyes/Stalder versus Delaney/Delaney match’s potential results.
This market resolves around Sep 21, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official results of the Guangzhou doubles match between Reyes/Stalder and Delaney/Delaney, as reported by established sports authorities. The winning team, as determined by the official score, will dictate the outcome of this market. Traders will then be able to claim their winnings or adjust their strategies based on the verified result. The resolution process ensures a transparent and reliable outcome for all participants.
Several signals could influence the trading activity in this market before Sep 21, 2026. Any news regarding player injuries, changes in team strategy, or unexpected performance in preceding matches could shift trader sentiment. Publicly available analysis from sports commentators and experts could also impact the perceived probabilities. Furthermore, significant trading volume from informed participants could indicate emerging insights or shifts in expectations. Unexpected weather conditions or other external factors that might affect player performance could also contribute to market movement.