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 8, 4:48 PM EST
Polymarket
This market refers to the doubles tennis match between Siniakova/Townsend and Bucsa/Melichar in the US Open WTA, originally scheduled for September 8, 2026 at 11:00AM ET. This market will resolve to 'Siniakova/Townsend' if the team of Siniakova/Townsend advances against Bucsa/Melichar. This market will resolve to 'Bucsa/Melichar' if the team of Bucsa/Melichar advances against Siniakova/Townsend. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 Siniakova/Townsend and Bucsa/Melichar in the US Open WTA, originally scheduled for September 8, 2026 at 11:00AM ET. This market will resolve to 'Siniakova/Townsend' if the team of Siniakova/Townsend advances against Bucsa/Melichar. This market will resolve to 'Bucsa/Melichar' if the team of Bucsa/Melichar advances against Siniakova/Townsend. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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.
Generally, prediction market odds often reflect the wisdom of the crowd, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on internal models and risk management, while this market aggregates the views of many individual traders. Discrepancies can arise due to differing information, biases, or simply variations in opinion. It’s common to see prediction market probabilities shift more dynamically in response to news and information than sportsbook odds, which can be slower to adjust. Comparing the two can be a valuable exercise for informed decision-making.
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 probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders who believe Siniakova/Townsend will win, the higher the price of shares representing that outcome will climb, and vice versa for Bucsa/Melichar. This dynamic pricing ensures that the market reflects the collective intelligence of those trading on the platform.
This market resolves around Sep 15, 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 Siniakova/Townsend and Bucsa/Melichar, as declared by the tournament organizers. The winning pair will determine the outcome of this market. Traders will then be able to claim their winnings or adjust their positions based on the final result. It's important to monitor official sources for the confirmed match results.
Several factors could influence the trading activity in this market. Any news regarding player injuries, changes in form, or even weather conditions affecting the match could cause shifts in probabilities. Unexpected upsets in other matches within the tournament might also impact confidence in the players' overall performance. Furthermore, significant betting activity or large trades on Polymarket itself can create momentum and move the market. Keep an eye on tennis news and analysis leading up to the match for potential catalysts.