Pair #12365

Antecedent (if this happens)

KXPGATOUR-THOC26-KNAK

Will Keita Nakajima win the The Open Championship?

Series: KXPGATOUR
Entity: Keita Nakajima
Expiration: 2026-07-19T04:00:00Z
Volume: 428798

YES ask: 0.0030
NO ask: 0.9980
Last: 0.0030

View on Kalshi

Rules

If Keita Nakajima wins the The Open Championship, then the market resolves to Yes.

Consequent (then it means this happened or will happen)

KXPGATOP5-THOC26-KNAK

The Open Championship: Will Keita Nakajima finish top 5?

Series: KXPGATOP5
Entity: Keita Nakajima
Expiration: 2026-08-02T04:00:00Z
Volume: 474

YES ask: 0.0200
NO ask: 0.9900
Last: 0.0200

View on Kalshi

Rules

If Keita Nakajima 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: 2026-07-15T07:45:37Z
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): -90.47% (negative yield)
Cost: $1.0180 + ~$0.0015 est. fees
Days to maturity: 3
Hurdle yield: 4.23%
Excess yield: -94.70% BELOW HURDLE

Human Review

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

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