Will Alcaraz or Sinner win more Grand Slams in 2026?
Market price history
Rolling 7-day window of market NO price with the OU fair-price range overlay.
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Market price
YES25¢ (25%)
NO75¢ (75%)
Latest refresh · prices in cents
Polymarket • Volume: $5.8K • Updated 1h agoCloses: 2026-09-13
Polymarket · Sports
OU's Pick
YES at 25¢ · pays 4.0×
Price gap
Polymarket25¢
→OU's fair45¢
+20¢ underpriced · pays 4.0×
Confidence
Moderate
Carlos Alcaraz holds a one-slam lead over Jannik Sinner in 2026 after winning the Australian Open in February.
Wide edge+20¢
Off market consensus
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