Pair #26

Antecedent (if this happens)

KXFOMEN-26-SIN

Will Jannik Sinner win the French Open?

Series: KXFOMEN
Entity: Jannik Sinner
Expiration: 2026-06-10T17:00:00Z
Volume: 1165209

YES ask: 0.7500
NO ask: 0.2600
Last: 0.7500

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Rules

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

Consequent (then it means this happened or will happen)

KXATPGRANDSLAM-26-JSIN

Will Jannik Sinner win a Tennis Grand Slam in 2026?

Series: KXATPGRANDSLAM
Entity: Jannik Sinner
Expiration: 2026-12-31T15:00:00Z
Volume: 63442

YES ask: 0.7800
NO ask: 0.2400
Last: 0.7600

View on Kalshi

Rules

If Jannik Sinner 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 — Sinner could win a different major.

Strategy: Buy NO on antecedent + YES on consequent
Yield: N/A
Cost: $1.0400
Days to maturity: N/A
Hurdle yield: N/A
Excess yield: N/A

Human Review

Decision: confirmed
Reviewed at: 2026-03-16T23:07:38Z

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