Pair #11551

Antecedent (if this happens)

KXPGATOP10-THOC26-JDAY

The Open Championship: Will Jason Day finish top 10?

Series: KXPGATOP10
Entity: Jason Day
Expiration: 2026-08-02T04:00:00Z
Volume: 2031

YES ask: 0.0700
NO ask: 0.9400
Last: 0.0700

View on Kalshi

Rules If Jason Day finishes in the top 10 (including ties) in the 2026 The Open Championship, then the market resolves to Yes.
Consequent (then it means this happened or will happen)

KXPGATOP20-THOC26-JDAY

The Open Championship: Will Jason Day finish top 20?

Series: KXPGATOP20
Entity: Jason Day
Expiration: 2026-08-02T04:00:00Z
Volume: 7526

YES ask: 0.1800
NO ask: 0.8300
Last: 0.1800

View on Kalshi

Rules If Jason Day 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: 2026-07-14T07:45:35Z
Code version: ecbe685

Reasoning: rule: KXPGATOP10 is a strict subset of KXPGATOP20 for the same player and tournament

Strategy: Buy NO on antecedent + YES on consequent
Est. yield (after fees): -92.23% (negative yield)
Cost: $1.1200 + ~$0.0143 est. fees
Days to maturity: 18
Hurdle yield: 4.23%
Excess yield: -96.46% BELOW HURDLE

Human Review

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

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