TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 25, 4:00 AM EST
Polymarket
This market refers to the tennis match between Astrid Olsen and Daria Yesypchuk in the ITF Women Bucharest, originally scheduled for June 18, 2026 at 4:00AM ET. This market will resolve to 'Astrid Olsen' if Astrid Olsen advances against Daria Yesypchuk. This market will resolve to 'Daria Yesypchuk' if Daria Yesypchuk advances against Astrid Olsen. 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 Astrid Olsen and Daria Yesypchuk in the ITF Women Bucharest, originally scheduled for June 18, 2026 at 4:00AM ET. This market will resolve to 'Astrid Olsen' if Astrid Olsen advances against Daria Yesypchuk. This market will resolve to 'Daria Yesypchuk' if Daria Yesypchuk advances against Astrid Olsen. 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 incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven by trader belief and real-money skin-in-the-game dynamics. This market aggregates the collective judgment of participants wagering on the outcome, which can differ from traditional oddsmakers' assessments. Comparing the two can reveal where professional bookmakers and decentralized traders disagree on the likely result.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability quotes. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price of each share reflects the implied likelihood of that result. As more traders buy or sell, the price adjusts to balance supply and demand. The current odds are always visible on the order book, allowing you to execute trades at transparent, market-determined rates.
This market resolves around Jun 25, 2026, once the match concludes and the result is confirmed. The outcome is verified against credible public sources reporting the final score and winner. At that point, shares representing the correct outcome become worth one unit of the settlement currency, while incorrect shares expire worthless. Traders holding the winning position receive their payout automatically.
Several factors may shift odds before resolution. Recent player form, head-to-head records, and injury updates can reshape expectations about either competitor's chances. Court conditions, draw announcements, and pre-match commentary from analysts may also influence trader positioning. Betting activity on external sportsbooks or social media momentum can signal shifting confidence. Any news affecting either player's fitness or mental readiness could trigger sharp repricing as traders react to new information.