Live prediction market odds for Madison Keys vs. Antonia Ruzic. Compare prices across Kalshi.
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MARKET RESOLVEDKalshi
Resolved 2026-05-28
This market resolved on 2026-05-28. Madison Keys was the officially declared outcome. Prior to resolution, the market peaked at 99%.
Madison Keys vs. Antonia Ruzic — WTA Tennis match held on 2026-05-28. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |
|---|---|
Madison KeysWINNER | 99% |
Antonia Ruzic | 1% |
Madison Keys vs. Antonia Ruzic was a prediction market event tracked across 1 platform (Kalshi). Madison Keys led the market at 99% implied probability before resolution. Other contenders include Antonia Ruzic at 1%.
Madison Keys held the lead at 99% implied probability heading into resolution. Behind Madison Keys, Antonia Ruzic at 1% were the next closest contenders. Platforms were tightly aligned at a 0.0% spread, suggesting broad consensus on the odds.
Here were the closing odds across Kalshi: Madison Keys: 99¢ on Kalshi. Antonia Ruzic: 1¢ on Kalshi. Platforms were tightly aligned at a 0.0% spread, leaving little room for cross-platform arbitrage.
A price of 99¢ meant the market estimated a 99% chance that Madison Keys would be the outcome. Traders who bought at 99¢ and held through resolution received $1.00 per share — a 1% return on their position. Those on the wrong side received $0.
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As seen on Financial Times, Guardian and Polymark.et
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Madison Keys wins the Ruzic vs Keys 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 Ruzic vs Keys 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 Antonia Ruzic and Madison Keys in the Roland Garros WTA, originally scheduled for May 28, 2026 at 5:00AM ET. This market will resolve to 'Antonia Ruzic' if Antonia Ruzic advances against Madison Keys. This market will resolve to 'Madison Keys' if Madison Keys advances against Antonia Ruzic. 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.
Madison Keys
99.0% avg
