KalshiSports
Who will win a ATP Grand Slam in 2026?
In 2026
Ends Jul 12, 2026
Bet NowDisclosure
18+ only. Event contracts carry significant risk and are not suitable for everyone, you can lose the entire amount you commit. Not available in all jurisdictions; restrictions and eligibility requirements apply.
- Jannik Sinner84.2K VOL.Yes 99%No 1%99¢
- Novak Djokovic86.6K VOL.Yes 1%No 99%1¢
- Felix Auger-Aliassime12.6K VOL.Yes 1%No 99%1¢
- Taylor Fritz22K VOL.Yes 1%No 99%1¢
- Alex de Minaur6.9K VOL.Yes 1%No 99%1¢
Rules Summary
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.
Timeline and Payout
- Opened
- Dec 20, 2025, 3:00 PM
- Closes
- Jul 12, 2026, 7:01 PM
- Pays out
- 0.5 hours after close
Series KXATPGRANDSLAM · Event KXATPGRANDSLAM-26 · Market KXATPGRANDSLAM-26-JSIN

