Antecedent (if this happens)
KXATPGRANDSLAM-26-JSIN
Will Jannik Sinner win a Tennis Grand Slam in 2026?
Series: KXATPGRANDSLAM
Entity: Jannik Sinner
Expiration: 2026-12-31T15:00:00Z
Volume: 60556
YES ask: 0.8200
NO ask: 0.1900
Last: 0.8000
View on Kalshi
Rules
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.
Consequent (then it means this happened or will happen)
KXATPSETWINNER-26APR07HUMSIN-1-SIN
Will Jannik Sinner win set 1 in the Ugo Humbert vs Jannik Sinner match
Series: KXATPSETWINNER
Entity: Jannik Sinner
Expiration: 2026-04-07T12:00:00Z
Volume: 1595
YES ask: 0.9100
NO ask: 0.1000
Last: 0.9100
View on Kalshi
Rules
If Jannik Sinner wins set 1 in the Ugo Humbert vs Jannik Sinner professional tennis match in the 2026 ATP Monte Carlo Round Of 32, then the market resolves to Yes.
Confidence: none
Model: claude-sonnet-4-6
Screened: 2026-04-07T08:02:27Z
Reasoning: Winning a Grand Slam in 2026 has no logical connection to winning set 1 of a Monte Carlo Round of 32 match. Monte Carlo is not a Grand Slam. No implication in either direction.
Strategy: Buy NO on antecedent + YES on consequent
Yield:
-15.07%
(negative yield)
Cost:
$1.1000
Days to maturity:
213
Hurdle yield:
4.28%
Excess yield:
-19.35%
BELOW HURDLE