Pair #1029

Antecedent (if this happens)

KXPGATOUR-MAST26-JSPI

Will Jordan Spieth win the Masters Tournament?

Series: KXPGATOUR
Entity: Jordan Spieth
Expiration: 2026-04-12T23:00:00Z
Volume: 7621720

YES ask: 0.0010
NO ask: 1.0000
Last: 0.0010

View on Kalshi

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

KXPGAMAJORWIN-26-JSPI

Who will win a PGA Tour Major in 2026?

Series: KXPGAMAJORWIN
Entity: Jordan Spieth
Expiration: 2026-12-31T15:00:00Z
Volume: 20432

YES ask: 0.0600
NO ask: 0.9700
Last: 0.0600

View on Kalshi

Rules If Jordan Spieth wins any of the four golf major tournaments (The Masters, the PGA Championship, the U.S. Open, and The Open Championship) in 2026, then the market resolves to Yes.
LLM Screening

Confidence: high
Model: claude-sonnet-4-6
Screened: 2026-03-19T08:15:29Z

Reasoning: The Masters is one of the four major tournaments. Winning the Masters necessarily means Spieth has won a PGA Tour major in 2026, so Event A implies Event B. The reverse does not hold as he could win a different major.

Strategy: Buy NO on antecedent + YES on consequent
Yield: N/A
Cost: $1.0600
Days to maturity: N/A
Hurdle yield: N/A
Excess yield: N/A

Human Review

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