TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 3, 6:50 PM EST
Polymarket
This market tracks whether Madison Keys will advance against Anna Bondar in their US Open WTA match, originally scheduled for September 2, 2026 at 11:00AM ET. Currently, Polymarket gives a 100.0% probability to the outcome of “US Open WTA: Completed Match: Madison Keys vs Anna Bondar”. The resolution source for this market is the official WTA Tennis scores page at https://www.wtatennis.com/scores. Keep an eye on the match progress, as this market will resolve based on the outcome of the match itself, with a resolution date estimate of September 9, 2026.
This market refers to the tennis match between Madison Keys and Anna Bondar in the US Open WTA, originally scheduled for September 2, 2026 at 11:00AM ET. This market will resolve to 'Madison Keys' if Madison Keys advances against Anna Bondar. This market will resolve to 'Anna Bondar' if Anna Bondar advances against Madison Keys. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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.
Typically, prediction market odds reflect the wisdom of the crowd, often differing from initial sportsbook offerings. Sportsbooks set lines to balance action, while this market aggregates the beliefs of informed traders. If a significant number of people believe a particular outcome is more likely than sportsbooks suggest, the prediction market odds will adjust accordingly. Discrepancies can arise due to differing levels of information, analytical approaches, or simply varying opinions on the players' form and potential performance in the Keys vs Bondar match. It's worth comparing both to gain a comprehensive view.
This market resolves around Sep 9, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the WTA match between Madison Keys and Anna Bondar, as declared by the tournament organizers. The market will determine which player ultimately won the match, and shares will pay out accordingly to those who correctly predicted the result. The final score and official confirmation will serve as the basis for settlement.
Several factors could influence the price of this market before Sep 9, 2026. 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 Keys vs Bondar match might also affect perceptions of their form and chances of success. Furthermore, significant betting activity or analysis from tennis experts could trigger price movements as traders react to new information and adjust their predictions regarding the match’s outcome.