Pair #11505

Antecedent (if this happens)

KXPGATOUR-THOC26-HMAT

Will Hideki Matsuyama win the The Open Championship?

Series: KXPGATOUR
Entity: Hideki Matsuyama
Expiration: 2026-07-19T04:00:00Z
Volume: 403887

YES ask: 0.0090
NO ask: 0.9920
Last: 0.0090

View on Kalshi

Rules

If Hideki Matsuyama wins the The Open Championship, then the market resolves to Yes.

Consequent (then it means this happened or will happen)

KXPGATOP5-THOC26-HMAT

The Open Championship: Will Hideki Matsuyama finish top 5?

Series: KXPGATOP5
Entity: Hideki Matsuyama
Expiration: 2026-08-02T04:00:00Z
Volume: 608

YES ask: 0.0500
NO ask: 0.9600
Last: 0.0500

View on Kalshi

Rules

If Hideki Matsuyama finishes in the top 5 (including ties) in the 2026 The Open Championship, then the market resolves to Yes.

LLM Screening

Confidence: high
Model: rule-screener-v1
Screened: 2026-07-14T07:45:35Z
Code version: ecbe685

Reasoning: rule: KXPGATOUR is a strict subset of KXPGATOP5 for the same player and tournament

Strategy: Buy NO on antecedent + YES on consequent
Est. yield (after fees): -99.57% (negative yield)
Cost: $1.0420 + ~$0.0039 est. fees
Days to maturity: 3
Hurdle yield: 4.23%
Excess yield: -103.80% BELOW HURDLE

Human Review

Decision: confirmed
Reviewed at: 2026-07-14T07:45:35Z

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