TOTAL VOLUME:
$134.2b
24H VOL:
$143,246,370
24H TRANSACTIONS:
2,403,290,006
OPEN INTEREST:
$1,452,035,386
405,032
Markets across
30,543
events
MATCHED EVENTS:
2,690
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 23, 4:00 AM EST
Polymarket
This market refers to the tennis match between Petra Sedlackova and Urszula Radwanska in the ITF Women Klosters, originally scheduled for June 16, 2026 at 4:00AM ET. This market will resolve to 'Petra Sedlackova' if Petra Sedlackova advances against Urszula Radwanska. This market will resolve to 'Urszula Radwanska' if Urszula Radwanska advances against Petra Sedlackova. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Petra Sedlackova and Urszula Radwanska in the ITF Women Klosters, originally scheduled for June 16, 2026 at 4:00AM ET. This market will resolve to 'Petra Sedlackova' if Petra Sedlackova advances against Urszula Radwanska. This market will resolve to 'Urszula Radwanska' if Urszula Radwanska advances against Petra Sedlackova. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven by traders seeking to profit from accurate forecasts. This market aggregates the collective judgment of many independent participants, which can sometimes offer sharper or more efficient pricing than traditional betting venues. Comparing the two can reveal where one venue sees value the other may have missed.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the probability that traders assign to it; higher prices mean stronger consensus that an outcome will occur. As new information surfaces—such as player injuries or recent form—traders adjust their positions, moving prices in real time. This continuous repricing mechanism ensures the market stays responsive to changing conditions.
This market resolves around Jun 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the actual winner of the match as documented by official tennis records and reputable sports news sources. Until that point, traders can continue to buy and sell shares based on their expectations. Resolution happens automatically once the match concludes and the result is verified.
Several factors could shift prices before the match takes place. Player injuries, withdrawals, or recent tournament performance can significantly alter expectations. Changes in court conditions, weather forecasts, or head-to-head history may also influence trader sentiment. News about either player's form, confidence, or mental state can trigger repricing. Additionally, any official announcements regarding scheduling or venue details could prompt market adjustments as traders reassess probabilities based on the latest developments.