TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 3, 3:00 PM EST
Polymarket
This market refers to the tennis match between Alyssa Ahn and Salma Ewing in the ITF Women Claremont, originally scheduled for June 26, 2026 at 3:00PM ET. This market will resolve to 'Alyssa Ahn' if Alyssa Ahn advances against Salma Ewing. This market will resolve to 'Salma Ewing' if Salma Ewing advances against Alyssa Ahn. 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 Alyssa Ahn and Salma Ewing in the ITF Women Claremont, originally scheduled for June 26, 2026 at 3:00PM ET. This market will resolve to 'Alyssa Ahn' if Alyssa Ahn advances against Salma Ewing. This market will resolve to 'Salma Ewing' if Salma Ewing advances against Alyssa Ahn. 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 like this one are driven by traders risking real capital on their beliefs. Prediction markets can sometimes price outcomes more efficiently than traditional sportsbooks because participants have direct financial exposure and no house edge to maintain. Comparing the two can reveal where informed traders see value relative to conventional betting lines.
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 collective confidence of all active traders at any given moment. As new information emerges or sentiment shifts, traders adjust their positions, moving the odds up or down. This continuous price discovery mechanism means the market adapts in real time to new developments surrounding the match.
This market resolves around Jul 3, 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, with the winning prediction confirmed through established sports data sources. Until that point, traders can continue to buy and sell shares as new information and match conditions emerge.
Key catalysts include player injury reports, recent performance trends, head-to-head history, court surface conditions, and any roster or coaching changes. Weather forecasts closer to the event date can also influence expectations. Media coverage, expert commentary, and betting action on traditional sportsbooks may signal shifting sentiment that traders incorporate into their positions. Tournament seeding updates and draw announcements can reshape perceptions of difficulty and likelihood, driving meaningful price swings in this market.