Antecedent (if this happens)
KXPGAMAJORTOP10-MAJORS26-RMCI
All 4 Golf Major Tournaments: Will Rory McIlroy finish top 10?
Series: KXPGAMAJORTOP10
Entity: Rory McIlroy
Expiration: 2026-07-26T22:00:00Z
Volume: 35114
YES ask: 0.2200
NO ask: 0.8400
Last: 0.2300
View on Kalshi
Rules
If Rory McIlroy finishes top 10 (including ties) in all 4 golf major tournaments in 2026, then the market resolves to Yes.
Consequent (then it means this happened or will happen)
KXPGATOP20-MAST26-RMCI
Masters Tournament: Will Rory McIlroy finish top 20?
Series: KXPGATOP20
Entity: Rory McIlroy
Expiration: 2026-04-13T02:00:00Z
Volume: 90935
YES ask: 0.9900
NO ask: 0.0400
Last: 0.9700
View on Kalshi
Rules
If Rory McIlroy finishes in the top 20 (including ties) in the 2026 Masters Tournament, then the market resolves to Yes.
Confidence: high
Model: claude-sonnet-4-6
Screened: 2026-04-04T08:01:14Z
Reasoning: If McIlroy finishes top 10 in ALL four majors, he necessarily finishes top 10 at the Masters, which implies top 20 at the Masters. The reverse does not hold — top 20 at the Masters alone does not mean top 10 in all four majors.
Strategy: Buy NO on antecedent + YES on consequent
Yield:
-98.19%
(negative yield)
Cost:
$1.8300
Days to maturity:
55
Hurdle yield:
4.21%
Excess yield:
-102.40%
BELOW HURDLE