Pair #12569

Antecedent (if this happens)

KXPGATOUR-THOC26-MBRE

Will Michael Brennan win the The Open Championship?

Series: KXPGATOUR
Entity: Michael Brennan
Expiration: 2026-07-19T04:00:00Z
Volume: 530349

YES ask: 0.0020
NO ask: 0.9990
Last: 0.0020

View on Kalshi

Rules

If Michael Brennan wins the The Open Championship, then the market resolves to Yes.

Consequent (then it means this happened or will happen)

KXPGATOP20-THOC26-MBRE

The Open Championship: Will Michael Brennan finish top 20?

Series: KXPGATOP20
Entity: Michael Brennan
Expiration: 2026-08-02T04:00:00Z
Volume: 4095

YES ask: 0.1100
NO ask: 0.9100
Last: 0.1100

View on Kalshi

Rules

If Michael Brennan finishes in the top 20 (including ties) in the 2026 The Open Championship, then the market resolves to Yes.

LLM Screening

Confidence: high
Model: rule-screener-v1
Screened: 2026-07-15T07:45:37Z
Code version: ecbe685

Reasoning: rule: KXPGATOUR is a strict subset of KXPGATOP20 for the same player and tournament

Strategy: Buy NO on antecedent + YES on consequent
Est. yield (after fees): -100.00% (negative yield)
Cost: $1.1090 + ~$0.0069 est. fees
Days to maturity: 3
Hurdle yield: 4.23%
Excess yield: -104.23% BELOW HURDLE

Human Review

Decision: confirmed
Reviewed at: 2026-07-15T07:45:37Z

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