Live prediction market odds for Harriet Dart vs. Jelena Ostapenko. Compare prices across Kalshi and Polymarket.
Kalshi / Polymarket
2026-06-29
Harriet Dart vs. Jelena Ostapenko — WTA Tennis match scheduled for 2026-06-29. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Jelena Ostapenko leads the “Harriet Dart vs. Jelena Ostapenko” event at 75.5% implied probability, followed by Harriet Dart at 24.5%. Platforms are tightly aligned at a 1.0% spread.
Harriet Dart vs. Jelena Ostapenko is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Jelena Ostapenko leads at 76% implied probability, making it the market favorite. Other contenders include Harriet Dart at 25%.
Jelena Ostapenko currently leads at 76% implied probability. Behind Jelena Ostapenko, Harriet Dart at 25% 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: 76¢ on Kalshi, 75¢ on Polymarket. Harriet Dart: 24¢ on Kalshi, 25¢ on Polymarket. Platforms are tightly aligned at a 1.0% spread, leaving little room for cross-platform arbitrage.
A price of 76¢ means the market estimates a 76% probability that Jelena Ostapenko will be the outcome. Buying one share at 76¢ pays out $1.00 if correct — a 32% 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
75.5% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Harriet Dart wins the Ostapenko vs Dart professional tennis match in the 2026 Wimbledon Women Singles Round Of 128 after a ball has been played, then the market resolves to Yes.
The following market refers to the Ostapenko vs Dart professional tennis match in the 2026 Wimbledon Women Singles Round Of 128 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 Harriet Dart in the Wimbledon WTA, originally scheduled for June 29, 2026 at 6:00AM ET. This market will resolve to 'Jelena Ostapenko' if Jelena Ostapenko advances against Harriet Dart. This market will resolve to 'Harriet Dart' if Harriet Dart 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.
