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, 5:18 PM EST
Polymarket
This market refers to the tennis match between Nikola Bartunkova and Tatjana Maria in the US Open WTA, originally scheduled for September 3, 2026 at 2:30PM ET. This market will resolve to 'Nikola Bartunkova' if Nikola Bartunkova advances against Tatjana Maria. This market will resolve to 'Tatjana Maria' if Tatjana Maria advances against Nikola Bartunkova. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 tennis match between Nikola Bartunkova and Tatjana Maria in the US Open WTA, originally scheduled for September 3, 2026 at 2:30PM ET. This market will resolve to 'Nikola Bartunkova' if Nikola Bartunkova advances against Tatjana Maria. This market will resolve to 'Tatjana Maria' if Tatjana Maria advances against Nikola Bartunkova. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 a wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks may incorporate factors like marketing and risk management into their pricing, while this market is driven purely by traders’ beliefs about the outcome. If sportsbook odds significantly diverge from those seen here, it could indicate differing opinions on the players’ chances of winning. It’s important to remember that both represent probabilities, but are derived through different mechanisms and may appeal to different types of bettors.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of a completed match between Bartunkova and Maria. The price of these shares fluctuates based on supply and demand, effectively creating a real-time probability assessment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This means the price reflects the collective intelligence of the traders on the platform, rather than a fixed oddsmaker’s assessment. As more traders participate, the price is expected to converge towards a more accurate prediction.
This market resolves around Sep 10, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on whether the match between Bartunkova and Maria is officially completed according to the tournament organizers. The platform will rely on publicly available information to determine the winner or if the match was not completed, and the outcome will be reflected in the market's final settlement. Traders should monitor official sources for updates as the event approaches.
Several factors could influence the probabilities in this market. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could shift trader sentiment. Unexpected results in other matches leading up to the event might also impact perceptions of each player's form and confidence. Furthermore, significant betting activity – a large influx of volume on one side of the market – could quickly move the odds. Monitoring these signals will be key to understanding how this market evolves before Sep 10, 2026.