Who will win a ATP Grand Slam in 2026?
Price history — Jannik Sinner
Last 7 days of market YES price (blue) with the fair-price range (orange).
━ market YES▬ fair range
Market price
93¢
13¢
9¢
6¢
4¢
4¢
4¢
4¢
3¢
2¢
0¢
0¢
0¢
0¢
Kalshi • Volume: 178.8K contracts • Updated 2h agoCloses: 2026-12-31
Kalshi · Sports
OU's Pick
YES · Jannik Sinner
at 93¢
Price gap
Kalshi93¢
→OU's fair82¢
−11¢ overpriced · pays 1.1×
Confidence
Moderate
Jannik Sinner is the world number one and has already won five consecutive ATP Masters 1000 titles in the 2026 season according to recent reports.
Not financial advice. For informational purposes only. Prediction markets involve risk of loss. AI may contain errors.