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 30, 12:03 PM EST
Kalshi
Oksana Selekhmeteva and Sinja Kraus compete in the first set of their 2026 Wimbledon Women's Singles Round of 128 match on June 30. The winner of set 1 will be determined by standard tennis scoring rules.
Resolution depends on which player wins set 1 in the professional tennis match. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. Postponements or delays keep the market open until the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are settled at Fair Market Price at the Exchange's discretion.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant pools 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. This market aggregates the collective forecast of participants who profit only if their prediction proves correct, creating a mechanism that can sometimes outperform conventional betting lines. Comparing the two can reveal where the crowd sees value or where consensus differs from professional oddsmakers.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares 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 share reflects the collective willingness of buyers and sellers to transact at that level, with the bid-ask spread showing the current consensus range. As new information emerges or match conditions change, traders adjust their orders, and the price updates in real time. This dynamic pricing ensures the market continuously incorporates fresh signals and trader conviction about who will win the first set.
This market resolves around Jun 30, 2026, once the first set of the Selekhmeteva vs Kraus match concludes and the result is verified against credible public sources. The outcome is determined by which player wins the set according to official match records. Until that point, traders can buy and sell shares as odds fluctuate with pre-match analysis, player form, and any breaking news. Resolution is final once the event is confirmed through reliable reporting.
Several factors may shift odds before the match begins. Player injury reports or withdrawal announcements would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific performance data often prompt trader repositioning. Court conditions, weather forecasts, and lineup confirmations closer to match day can spark volatility. Media coverage highlighting form or momentum swings may also influence sentiment. Additionally, if either player competes in a warm-up event beforehand, the outcome could reshape expectations and move this market significantly.