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: Aug 25, 7:02 PM EST
Polymarket
This market refers to the tennis match between Katie Swan and Katrina Scott in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Katie Swan' if Katie Swan advances against Katrina Scott. This market will resolve to 'Katrina Scott' if Katrina Scott advances against Katie Swan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 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 Katie Swan and Katrina Scott in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Katie Swan' if Katie Swan advances against Katrina Scott. This market will resolve to 'Katrina Scott' if Katrina Scott advances against Katie Swan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 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.
On sportsbooks, you’ll typically see a spread or moneyline that reflects the perceived likelihood of each player winning, often with a small built-in house edge. In contrast, this market uses a probabilistic approach where the price directly mirrors trader sentiment. Because Polymarket operates as a peer-to-peer exchange, the odds adjust rapidly with new information and trader behavior, which can result in tighter spreads or more volatile pricing than traditional sportsbooks. This difference means traders can react to breaking news or shifting momentum faster than conventional betting lines.
This market resolves around Sep 1, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be based on the official match conclusion, ensuring alignment with real-world proceedings and eliminating ambiguity for all participants.
Key signals include any last-minute injuries, changes to the players’ rankings or seeding, weather conditions at the tournament venue, and performance in earlier rounds that affect confidence. Media reports, coach or player statements, and betting trends on Polymarket can also shift perceptions. As the tournament progresses toward Sep 1, 2026, each match outcome and any dramatic turns will be closely watched, since they can dramatically reshape expectations for the qualifier and push the odds in favor of one competitor over the other.