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: Jul 23, 4:00 AM EST
Polymarket
This market refers to the tennis match between Tasnim Ismail and Aya El Sayed in the ITF Women Monastir, originally scheduled for July 16, 2026 at 4:00AM ET. This market will resolve to 'Tasnim Ismail' if Tasnim Ismail advances against Aya El Sayed. This market will resolve to 'Aya El Sayed' if Aya El Sayed advances against Tasnim Ismail. 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 Tasnim Ismail and Aya El Sayed in the ITF Women Monastir, originally scheduled for July 16, 2026 at 4:00AM ET. This market will resolve to 'Tasnim Ismail' if Tasnim Ismail advances against Aya El Sayed. This market will resolve to 'Aya El Sayed' if Aya El Sayed advances against Tasnim Ismail. 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 lines to balance action and lock in profit margins, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. For this market, comparing the implied probability on Polymarket to published sportsbook lines can reveal whether one venue perceives a higher or lower chance than the other, though prediction markets tend to be more efficient at incorporating late-breaking information.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through an automated market maker that adjusts odds continuously as traders buy and sell outcome shares. The price of each outcome reflects its implied probability, and larger trades move the price more sharply than small ones. Traders profit by buying underpriced outcomes and selling overpriced ones, which drives prices toward fair value. You can enter or exit positions at any time before the market closes, and your entry price depends on the current order book depth and recent trading activity.
This market resolves around Jul 23, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result, determining which player prevailed. Until that point, traders can continue to adjust their positions as new information—such as player form, injury reports, or head-to-head records—becomes available. Early resolution is possible if circumstances prevent the match from taking place as scheduled.
Several factors could shift odds for this matchup before Jul 23, 2026. Player injuries, recent tournament performance, or changes in ranking or seeding could trigger repricing. Withdrawal announcements or schedule changes would have immediate impact. Weather conditions at the venue, court surface details, or head-to-head history becoming more widely known may also influence trader sentiment. Social media buzz, expert commentary, or betting syndicates entering the market with large positions can accelerate price swings. Traders monitor all these signals to adjust their exposure and capitalize on mispricings.