Pair #35

Antecedent (implies)

KXFOMEN-26-SHE

Will Ben Shelton win the French Open?

Series: KXFOMEN
Entity: Ben Shelton
Expiration: 2026-06-10T17:00:00Z
Volume: 11908

YES ask: 0.0100
NO ask: 1.0000
Last: 0.0100

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Rules

If Ben Shelton wins the 2026 Men's French Open professional tennis tournament, then the market resolves to Yes.

Consequent (implied)

KXATPGRANDSLAM-26-BSHE

Will Ben Shelton win a Tennis Grand Slam in 2026?

Series: KXATPGRANDSLAM
Entity: Ben Shelton
Expiration: 2026-12-31T15:00:00Z
Volume: 3672

YES ask: 0.0500
NO ask: 0.9600
Last: 0.0500

View on Kalshi

Rules

If Ben Shelton wins a tennis major (the Australian Open, the U.S. Open, the French Open, or Wimbledon) before Dec 31, 2026, then the market resolves to Yes.

LLM Screening

Confidence: high
Model: claude-sonnet-4-6
Screened: 2026-03-16T22:51:04Z

Reasoning: Winning the French Open is a Grand Slam victory, so it necessarily implies winning a Grand Slam in 2026. The reverse does not hold — Shelton could win a different major.

Strategy: Buy NO on antecedent + YES on consequent
Yield: -18.90% (negative yield)
Cost: $1.0500
Days to maturity: 85
Hurdle yield: 4.22%
Excess yield: -23.12% BELOW HURDLE

Human Review

Decision: confirmed
Reviewed at: 2026-03-16T23:07:10Z

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