TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 24, 5:00 AM EST
Polymarket
This market refers to the tennis match between Jeline Vandromme and Valentina Ryser in the Figueira Da Foz, originally scheduled for June 17, 2026 at 5:00AM ET. This market will resolve to 'Jeline Vandromme' if Jeline Vandromme advances against Valentina Ryser. This market will resolve to 'Valentina Ryser' if Valentina Ryser advances against Jeline Vandromme. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Jeline Vandromme and Valentina Ryser in the Figueira Da Foz, originally scheduled for June 17, 2026 at 5:00AM ET. This market will resolve to 'Jeline Vandromme' if Jeline Vandromme advances against Valentina Ryser. This market will resolve to 'Valentina Ryser' if Valentina Ryser advances against Jeline Vandromme. 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 WTA Tour. 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 protect their margin, while prediction markets aggregate beliefs from traders risking real capital. This market's odds may lead or lag sportsbook lines depending on information flow and trader conviction. Comparing the two can reveal where the crowd sees value that bookmakers have priced differently, though both should be monitored as the event approaches.
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 price of each outcome reflects the aggregate probability assigned by all active traders at any given moment. Higher trading volume typically narrows spreads and increases price accuracy. Shares are purchased at the current ask price and sold at the bid, with the difference representing the liquidity cost. As new information emerges, traders adjust positions, moving prices to reflect updated expectations.
This market resolves around Jun 24, 2026, once the tennis 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 share paying out according to the platform's standard resolution process. Traders should monitor official tournament announcements and reliable sports news sources in the days leading up to the deadline to stay informed of any scheduling changes or other developments.
Several factors may shift odds before resolution. Recent player performance, head-to-head records, and injury reports can trigger significant repricing as new information surfaces. Court conditions, weather, and tournament seeding announcements may also influence trader sentiment. Media coverage and expert commentary often spark buying or selling waves. As the match date approaches, any changes to player status or unexpected developments in the lead-up will likely drive volatility. Traders monitoring these signals can identify opportunities to adjust positions ahead of broader market moves.