Live prediction market odds for Zeynep Sonmez vs. Jelena Ostapenko. Compare prices across Kalshi and Polymarket.
Kalshi / Polymarket
2026-06-25
Zeynep Sonmez vs. Jelena Ostapenko — WTA Tennis match scheduled for 2026-06-25. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Jelena Ostapenko leads the “Zeynep Sonmez vs. Jelena Ostapenko” event at 64.0% implied probability, followed by Zeynep Sonmez at 36.5%. Platforms are tightly aligned at a 1.0% spread.
Zeynep Sonmez vs. Jelena Ostapenko is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Jelena Ostapenko leads at 64% implied probability, making it the market favorite. Other contenders include Zeynep Sonmez at 37%.
Jelena Ostapenko currently leads at 64% implied probability. Behind Jelena Ostapenko, Zeynep Sonmez at 37% are the next closest contenders. Platforms were tightly aligned at a 1.0% spread, suggesting broad consensus on the odds.
Here are the latest odds across Kalshi, Polymarket: Jelena Ostapenko: 64¢ on Kalshi, 64¢ on Polymarket. Zeynep Sonmez: 37¢ on Kalshi, 36¢ on Polymarket. Platforms are tightly aligned at a 1.0% spread, leaving little room for cross-platform arbitrage.
A price of 64¢ means the market estimates a 64% probability that Jelena Ostapenko will be the outcome. Buying one share at 64¢ pays out $1.00 if correct — a 56% return — or $0 if wrong. This is the core mechanic of prediction markets: the price directly reflects the crowd's probability estimate.
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Jelena Ostapenko
64.0% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Jelena Ostapenko wins the Ostapenko vs Sonmez professional tennis match in the 2026 WTA Eastbourne Quarterfinal after a ball has been played, then the market resolves to Yes.
The following market refers to the Ostapenko vs Sonmez professional tennis match in the 2026 WTA Eastbourne Quarterfinal after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).
PolymarketThis market refers to the tennis match between Jelena Ostapenko and Zeynep Sonmez in the Lexus Eastbourne Open, originally scheduled for June 25, 2026 at 6:00AM ET. This market will resolve to 'Jelena Ostapenko' if Jelena Ostapenko advances against Zeynep Sonmez. This market will resolve to 'Zeynep Sonmez' if Zeynep Sonmez advances against Jelena Ostapenko. 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.
