Who will win a ATP Grand Slam this year?
Who will win a ATP Grand Slam this year?
Chance
Jannik Sinner
76%
Jannik Sinner
76%
Novak Djokovic
17%
▲ 5
Novak Djokovic
17%
▲ 5
Daniil Medvedev
4%
▼ 6
Daniil Medvedev
4%
▼ 6
12 more
Market Rules
Jannik Sinner
If Jannik Sinner wins a tennis major (the Australian Open, the U.S. Open, the French Open, or Wimbledon) before Dec 31, 2026, then the market resolves to Yes. Sources from ESPN, The New York Times, the Associated Press, and Reuters.
Timeline and payout
Market openDec 20, 2025 · 10:00am EST
Market closesAfter the outcome occurs
Projected payout30 minutes after closing
SeriesKXATPGRANDSLAM
EventKXATPGRANDSLAM-26
MarketKXATPGRANDSLAM-26-JSIN
Insider trading is prohibited
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