1st Round Head-to-Head: Day vs Spieth
Price history — Jason Day beats Jordan Spieth in the 1st Round
Last 7 days of market YES price (blue) with the fair-price range (orange).
━ market YES▬ fair range
Market price
58¢
39¢
Kalshi • Volume: 27.9K contracts • Updated 1h agoCloses: 2026-06-18 (14d)
Kalshi · Sports
OU's Pick
YES · Jason Day beats Jordan Spieth in the 1st Round
at 39¢
Price gap
Kalshi39¢
→OU's fair52¢
+13¢ underpriced · pays 2.6×
Confidence
Moderate
Jason Day and Jordan Spieth are paired together for the first round of the 2026 Memorial Tournament starting at 8:05 AM EDT.
Wide edge+13¢
High volume27k contracts
Not financial advice. For informational purposes only. Prediction markets involve risk of loss. AI may contain errors.