Live prediction market odds for Matteo Arnaldi vs. Vit Kopriva. Compare prices across Kalshi and Polymarket.
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MARKET RESOLVEDKalshi / Polymarket
Resolved 2026-04-04
This market resolved on 2026-04-04. Matteo Arnaldi was the officially declared outcome. Prior to resolution, the market peaked at 68%.
Matteo Arnaldi vs. Vit Kopriva — ATP Tennis match held on 2026-04-04. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |
|---|---|---|
Matteo ArnaldiWINNER | 99% | 37% |
Vit Kopriva | 1% | 63% |
Matteo Arnaldi vs. Vit Kopriva was a prediction market event tracked across 2 platforms (Kalshi, Polymarket). Matteo Arnaldi led the market at 68% implied probability before resolution. Other contenders include Vit Kopriva at 32%.
Matteo Arnaldi held the lead at 68% implied probability heading into resolution. Behind Matteo Arnaldi, Vit Kopriva at 32% were the next closest contenders. The 62.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket: Matteo Arnaldi: 99¢ on Kalshi, 37¢ on Polymarket. Vit Kopriva: 1¢ on Kalshi, 63¢ on Polymarket. The 62.0% 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 68¢ meant the market estimated a 68% chance that Matteo Arnaldi would be the outcome. Traders who bought at 68¢ and held through resolution received $1.00 per share — a 47% 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 Vit Kopriva wins the Kopriva vs Arnaldi professional tennis match in the 2026 ATP Monte Carlo Qualification after a ball has been played, then the market resolves to Yes.
The following market refers to the Kopriva vs Arnaldi professional tennis match in the 2026 ATP Monte Carlo Qualification 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 Vit Kopriva and Matteo Arnaldi in the Rolex Monte Carlo Masters, Qualification, scheduled for April 4 at 8:00AM ET. This market will resolve to 'Vit Kopriva' if Vit Kopriva advances against Matteo Arnaldi. This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Vit Kopriva. 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.
Matteo Arnaldi
68.0% avg
