TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 3, 4:12 PM EST
Polymarket
This market refers to the doubles tennis match between Piter/Siskova and Pridankina/Tang in the US Open WTA, originally scheduled for September 3, 2026 at 11:00AM ET. This market will resolve to 'Piter/Siskova' if the team of Piter/Siskova advances against Pridankina/Tang. This market will resolve to 'Pridankina/Tang' if the team of Pridankina/Tang advances against Piter/Siskova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 17, 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Piter/Siskova and Pridankina/Tang in the US Open WTA, originally scheduled for September 3, 2026 at 11:00AM ET. This market will resolve to 'Piter/Siskova' if the team of Piter/Siskova advances against Pridankina/Tang. This market will resolve to 'Pridankina/Tang' if the team of Pridankina/Tang advances against Piter/Siskova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 17, 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 WTA 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 statistical models and expert analysis, but may also incorporate a margin for profit. This market, however, is driven by individuals trading based on their own research and beliefs, potentially leading to odds that more accurately forecast the true probability of each outcome. Discrepancies can arise due to differing information sources, risk appetites, and the incentive structures of each venue.
On Polymarket, this market is priced through a continuous trading mechanism where participants buy and sell shares representing their belief in the likelihood of each outcome. As more shares are purchased for Piter/Siskova, for example, the price of those shares increases, indicating a growing expectation of their victory. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a share directly corresponds to the implied probability of that outcome, and traders adjust their positions based on new information and their own assessments of the match.
This market resolves around Sep 10, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the US Open women's doubles match between Piter/Siskova and Pridankina/Tang. The winning team as declared by the tournament organizers will determine the settlement of this market. Traders should monitor official sources for the final result to understand when and how this market will be settled.
Several factors could influence trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updated match analysis from tennis experts could shift probabilities. Unexpected performance in earlier rounds of the US Open for either team could also impact trading volume and prices. Furthermore, significant bets from informed traders or large volume spikes could indicate new information or a change in market sentiment, potentially leading to price movements before Sep 10, 2026.