Will Jack Draper win a Tennis Grand Slam in 2026?

Prediction markets currently give a 5% probability that Will Jack Draper win a Tennis Grand Slam in 2026?. This contract trades at 5¢ on Kalshi, closing December 31, 2026. The 3393% implied yield on the Yes side reflects an extremely low 5¢ price for a long-duration bet (258 days to expiry), but the thin $100 daily volume and modest $2,016 open interest suggest this pricing may not reflect genuine conviction—liquidity constraints could be inflating the yield figure.

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5¢
Bid/Ask 4/5¢·Spread 1¢·Vol $0·OI $2,016·Closes Dec 31, 2026·253d remaining
KXATPGRANDSLAM-26-JDRA

Analysis

4d ago

The 3393% implied yield on the Yes side reflects an extremely low 5¢ price for a long-duration bet (258 days to expiry), but the thin $100 daily volume and modest $2,016 open interest suggest this pricing may not reflect genuine conviction—liquidity constraints could be inflating the yield figure. Jack Draper would need to achieve a career-defining breakthrough within two years to hit this outcome, which the market prices as a 1-in-20 shot, though his recent ATP progress warrants monitoring for potential repricing. The neutral regime score and moderate 24 Cliff Risk Index indicate no immediate catalysts are driving unusual market behavior.

Resolution rules

If Jack Draper 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.

Indicators

IY (Yes) 3458.3%
IY (No) 6.0%
Adj IY 1729%
CRI 24
Overround 0.2%
▶ Full indicator table (5)
IndicatorValue
IY (Yes)3458.3%
IY (No)6.0%
Adj IY1729%
CRI24
Overround0.2%

Regime

Label
neutral
Score
0.5
Spread
1¢
Computed
4/21/2026, 9:41:44 PM
Indicators computed 4/21/2026, 9:38:17 PM

Trade

View on kalshisf trade KXATPGRANDSLAM-26-JDRA yes 100

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