Live prediction market odds for Casper Ruud vs. Alexei Popyrin. Compare prices across Kalshi and Polymarket.
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MARKET RESOLVEDKalshi / Polymarket
Resolved 2026-04-05
This market resolved on 2026-04-05. Casper Ruud was the officially declared outcome. Prior to resolution, the market peaked at 86%.
Casper Ruud vs. Alexei Popyrin — ATP Tennis match held on 2026-04-05. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |
|---|---|---|
Casper RuudWINNER | 99% | 73% |
Alexei Popyrin | 1% | 28% |
Casper Ruud vs. Alexei Popyrin was a prediction market event tracked across 2 platforms (Kalshi, Polymarket). Casper Ruud led the market at 86% implied probability before resolution. Other contenders include Alexei Popyrin at 14%.
Casper Ruud held the lead at 86% implied probability heading into resolution. Behind Casper Ruud, Alexei Popyrin at 14% were the next closest contenders. The 26.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket: Casper Ruud: 99¢ on Kalshi, 73¢ on Polymarket. Alexei Popyrin: 1¢ on Kalshi, 28¢ on Polymarket. The 26.5% spread across platforms highlights where markets disagreed — a gap traders can exploit by buying low on one platform and selling high on another.
A price of 86¢ meant the market estimated a 86% chance that Casper Ruud would be the outcome. Traders who bought at 86¢ and held through resolution received $1.00 per share — a 16% return on their position. Those on the wrong side received $0.
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Casper Ruud wins the Popyrin vs Ruud professional tennis match in the 2026 ATP Monte Carlo Round Of 64 after a ball has been played, then the market resolves to Yes.
The following market refers to the Popyrin vs Ruud professional tennis match in the 2026 ATP Monte Carlo 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 on the tennis match between Alexei Popyrin and Casper Ruud in the Rolex Monte Carlo Masters, scheduled for April 6 at 5:00AM ET. This market will resolve to 'Alexei Popyrin' if Alexei Popyrin advances against Casper Ruud. This market will resolve to 'Casper Ruud' if Casper Ruud advances against Alexei Popyrin. 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 ATP Tour. A consensus of credible reporting may also be used.
Casper Ruud
85.8% avg
