TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 4, 3:30 AM EST
Polymarket
This market refers to the tennis match between Alana Subasic and Kateryna Lazarenko in the ITF Women Kayseri, originally scheduled for June 27, 2026 at 3:30AM ET. This market will resolve to 'Alana Subasic' if Alana Subasic advances against Kateryna Lazarenko. This market will resolve to 'Kateryna Lazarenko' if Kateryna Lazarenko advances against Alana Subasic. 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 Alana Subasic and Kateryna Lazarenko in the ITF Women Kayseri, originally scheduled for June 27, 2026 at 3:30AM ET. This market will resolve to 'Alana Subasic' if Alana Subasic advances against Kateryna Lazarenko. This market will resolve to 'Kateryna Lazarenko' if Kateryna Lazarenko advances against Alana Subasic. 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance liability and generate profit margins, while prediction markets like this one are driven purely by trader supply and demand. Comparing this market's implied probabilities to major sportsbook lines can reveal where professional bettors and casual traders disagree on the likely outcome, sometimes highlighting value or consensus shifts in real time.
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. Each share represents a claim on one player winning, and the current price reflects the aggregate belief of all active traders. As new information emerges or trading interest shifts, prices adjust continuously. The spread between bid and ask prices depends on liquidity and recent volume, so periods of high activity typically tighten the spread and improve execution quality.
This market resolves around Jul 4, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by which player wins the ITF Kayseri event, confirmed through official tournament records and reputable sports reporting. Until that point, traders can continue to buy and sell shares as new developments—such as player form, injuries, or head-to-head history—influence expectations.
Several factors can shift trader sentiment before resolution. Recent performance by either player on the ITF circuit, injury announcements, or changes in court conditions may prompt repricing. Head-to-head history and surface preference (clay, hard court, grass) often influence expectations. Media coverage, betting action from professional traders, and shifts in player ranking or form can all trigger buying or selling waves. Even minor updates—such as lineup confirmations or weather forecasts—may move this market as traders adjust their probability estimates.