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: Jun 30, 2:35 PM EST
Kalshi
Ajla Tomljanovic faces Mariam Bolkvadze in the first round of the 2026 Wimbledon Women's Singles tournament on June 30. The winner of this professional tennis match will advance in the competition.
Resolution requires that a ball be played in the match, establishing that competition has commenced. The market resolves to the winner of the completed match. If the match fails to occur before play begins due to injury, walkover, forfeiture, or other cancellation, the market resolves to a fair price. Postponements or delays do not close the market; it remains open until the rescheduled match concludes, provided the rescheduling occurs within two weeks.
Prediction markets and sportsbooks price events differently because they operate under distinct incentive structures. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets like this one reflect real-time consensus from traders risking their own capital. Prediction market prices often incorporate information faster and can diverge meaningfully from sportsbook lines, especially as new match data emerges. Comparing the two can reveal where professional traders and casual bettors disagree, signaling potential value or hidden risk.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the collective belief in that outcome's likelihood, ranging from near-zero to near-100. As new information surfaces—injury reports, recent form, head-to-head records—traders adjust their positions, moving the price up or down. This dynamic process ensures the market price stays responsive to real-world developments leading up to the match.
This market resolves around Jun 30, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result, confirmed through established tennis governing bodies and sports data providers. Until that point, prices will fluctuate as traders weigh player form, court conditions, head-to-head history, and other factors. Resolution is automatic once the event is finalized and reported.
Several catalysts can shift prices significantly before the match begins. Injury announcements or withdrawal news will trigger sharp repricing, as will recent tournament results or changes in player ranking. Court surface conditions, weather forecasts, and draw positioning can also influence trader sentiment. Media coverage highlighting form trends or head-to-head advantages may prompt position adjustments. Even minor updates—coaching changes, practice reports, or odds movement at major sportsbooks—can prompt traders to reassess and adjust their bids and offers on this market.