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, 10:51 AM EST
Polymarket
This market refers to the doubles tennis match between Reyes/Stalder and Santillan/Sun in the Guangzhou, originally scheduled for September 17, 2026 at 6:30AM ET. This market will resolve to 'Reyes/Stalder' if the team of Reyes/Stalder advances against Santillan/Sun. This market will resolve to 'Santillan/Sun' if the team of Santillan/Sun 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 October 1, 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 Santillan/Sun in the Guangzhou, originally scheduled for September 17, 2026 at 6:30AM ET. This market will resolve to 'Reyes/Stalder' if the team of Reyes/Stalder advances against Santillan/Sun. This market will resolve to 'Santillan/Sun' if the team of Santillan/Sun 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 October 1, 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 offer a distinct perspective compared to traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, while prediction markets, like this one, allow traders to directly assess probabilities. If the sportsbook odds heavily favor one team, this market might show a more nuanced view if traders believe the contest is closer than implied. Discrepancies can arise due to differing information sources, analytical approaches, or simply varying levels of public sentiment. It's common to see prediction markets aggregate information more efficiently than traditional sources.
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 reflects the probability of that outcome occurring, as determined by the collective actions of all traders. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders buy shares in a particular outcome, its price increases, indicating growing confidence. Conversely, selling pressure drives the price down. This dynamic pricing ensures that the market odds always reflect the latest information and expectations of the crowd.
This market resolves around Sep 24, 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 Guangzhou doubles match between Reyes/Stalder and Santillan/Sun. The winning team, as declared by the tournament organizers, will determine the winning outcome in this market. Any disputes or official revisions to the match result will be considered in determining the final resolution.
Several factors could influence the trading activity and price movement in this market. Any news regarding player injuries, changes in team strategy, or even weather conditions impacting the match could shift trader sentiment. Unexpected results in other matches involving these players, or broader shifts in tournament rankings, might also play a role. Publicly available analysis from tennis experts and commentators could also sway opinions, leading to increased trading volume and price adjustments as the Sep 24, 2026 approaches.