Live prediction market odds for Naomi Osaka vs. Donna Vekic. Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-05-28
Naomi Osaka vs. Donna Vekic — WTA Tennis match scheduled for 2026-05-28. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Naomi Osaka leads the “Naomi Osaka vs. Donna Vekic” event at 73.0% implied probability, followed by Donna Vekic at 28.0%. A 2.0% cross-platform spread signals an active arbitrage window.
Naomi Osaka vs. Donna Vekic is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Naomi Osaka leads at 73% implied probability, making it the market favorite. Other contenders include Donna Vekic at 28%.
Naomi Osaka currently leads at 73% implied probability. Behind Naomi Osaka, Donna Vekic at 28% are the next closest contenders. A 2.0% spread across platforms indicated moderate disagreement on the latest developments.
Here are the latest odds across Kalshi, Polymarket: Naomi Osaka: 74¢ on Kalshi, 72¢ on Polymarket. Donna Vekic: 28¢ on Kalshi, 28¢ on Polymarket. The 2.0% spread shows moderate platform divergence worth monitoring for potential opportunities.
A price of 73¢ means the market estimates a 73% probability that Naomi Osaka will be the outcome. Buying one share at 73¢ pays out $1.00 if correct — a 37% 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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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Naomi Osaka wins the Vekic vs Osaka professional tennis match in the 2026 French Open Women Singles Round Of 64 after a ball has been played, then the market resolves to Yes.
The following market refers to the Vekic vs Osaka professional tennis match in the 2026 French Open Women Singles Round Of 64 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 Donna Vekic and Naomi Osaka in the Roland Garros WTA, originally scheduled for May 28, 2026 at 5:00AM ET. This market will resolve to 'Donna Vekic' if Donna Vekic advances against Naomi Osaka. This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Donna Vekic. 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.
Naomi Osaka
73.0% avg
