TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 24, 5:00 AM EST
Polymarket
This market refers to the tennis match between Julia Adams and Allison Nicole Isaacs in the ITF Women Kayseri, originally scheduled for June 17, 2026 at 5:00AM ET. This market will resolve to 'Julia Adams' if Julia Adams advances against Allison Nicole Isaacs. This market will resolve to 'Allison Nicole Isaacs' if Allison Nicole Isaacs advances against Julia Adams. 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 Julia Adams and Allison Nicole Isaacs in the ITF Women Kayseri, originally scheduled for June 17, 2026 at 5:00AM ET. This market will resolve to 'Julia Adams' if Julia Adams advances against Allison Nicole Isaacs. This market will resolve to 'Allison Nicole Isaacs' if Allison Nicole Isaacs advances against Julia Adams. 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 mechanisms. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets let traders freely price outcomes based on collective belief. This market aggregates real-time trader conviction without the intermediary markup, potentially offering sharper odds. However, sportsbooks may incorporate additional proprietary data or sharp action that prediction markets haven't yet priced in. Comparing the two can reveal where consensus differs and highlight potential value.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current implied probability reflects the aggregate of all trades placed so far. As more traders participate, the price adjusts to balance supply and demand. You can enter at any time by accepting the current ask price or placing a limit order to wait for your target price. The spread between bid and ask represents the current liquidity and trader uncertainty around the match result.
This market resolves around Jun 24, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—specifically, which player wins the ITF Kayseri event. Until that point, traders can continue to buy and sell shares as odds shift with new developments, player news, or betting action. Resolution happens automatically once the event is finalized and reported by recognized tennis authorities.
Several factors could shift odds before the match takes place. Player injury reports or withdrawal announcements would trigger sharp repricing. Recent tournament results, head-to-head records, and surface performance data often influence trader positioning. Court conditions, weather forecasts, and player form leading into the event can all spark trading activity. News about either competitor's training, coaching changes, or confidence statements may also move the market. Additionally, if one player advances through earlier rounds while the other struggles, relative probability will adjust accordingly.