Live prediction market odds for Alastair Gray vs. Matteo Arnaldi. Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-06-20
Alastair Gray vs. Matteo Arnaldi — ATP Tennis match scheduled for 2026-06-20. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Matteo Arnaldi leads the “Alastair Gray vs. Matteo Arnaldi” event at 67.5% implied probability, followed by Alastair Gray at 33.5%. Platforms are tightly aligned at a 1.0% spread.
Alastair Gray vs. Matteo Arnaldi is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Matteo Arnaldi leads at 68% implied probability, making it the market favorite. Other contenders include Alastair Gray at 34%.
Matteo Arnaldi currently leads at 68% implied probability. Behind Matteo Arnaldi, Alastair Gray at 34% 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: Matteo Arnaldi: 68¢ on Kalshi, 67¢ on Polymarket. Alastair Gray: 34¢ on Kalshi, 33¢ on Polymarket. Platforms are tightly aligned at a 1.0% spread, leaving little room for cross-platform arbitrage.
A price of 68¢ means the market estimates a 68% probability that Matteo Arnaldi will be the outcome. Buying one share at 68¢ pays out $1.00 if correct — a 47% 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 Matteo Arnaldi wins the Arnaldi vs Gray professional tennis match in the 2026 ATP Eastbourne Qualification Round 1 after a ball has been played, then the market resolves to Yes.
The following market refers to the Arnaldi vs Gray professional tennis match in the 2026 ATP Eastbourne Qualification Round 1 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 Matteo Arnaldi and Alastair Gray in the Lexus Eastbourne Open, Qualification, originally scheduled for June 20, 2026 at 6:00AM ET. This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Alastair Gray. This market will resolve to 'Alastair Gray' if Alastair Gray advances against Matteo Arnaldi. 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
67.5% avg
