Pair #8280

Antecedent (if this happens)

KXPGATOUR-MAST26-MBRE

Will Michael Brennan win the Masters Tournament?

Series: KXPGATOUR
Entity: Michael Brennan
Expiration: 2026-04-12T23:00:00Z
Volume: 1076064

YES ask: 0.0010
NO ask: 1.0000
Last: 0.0010

View on Kalshi

Rules If Michael Brennan wins the Masters Tournament, then the market resolves to Yes.
Consequent (then it means this happened or will happen)

KXPGATOP20-MAST26-MIB

The Masters: Will Michael Brennan finish top 20?

Series: KXPGATOP20
Entity: Michael Brennan
Expiration: 2026-04-13T02:00:00Z
Volume: 22775

YES ask: 0.3700
NO ask: 0.6600
Last: 0.3200

View on Kalshi

Rules If Michael Brennan finishes in the top 20 (including ties) in the 2026 The Masters, then the market resolves to Yes.
LLM Screening

Confidence: high
Model: claude-sonnet-4-6
Screened: 2026-04-07T08:29:59Z

Reasoning: Winning the Masters means finishing 1st, which is necessarily in the top 20. The reverse does not hold — finishing top 20 does not mean winning.

Strategy: Buy NO on antecedent + YES on consequent
Yield: N/A
Cost: $1.3700
Days to maturity: N/A
Hurdle yield: N/A
Excess yield: N/A

Human Review

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