Pair #6

Antecedent (if this happens)

KXFOWOMEN-26-SAB

Will Aryna Sabalenka win the French Open?

Series: KXFOWOMEN
Entity: Aryna Sabalenka
Expiration: 2026-06-10T17:00:00Z
Volume: 620408

YES ask: 0.5700
NO ask: 0.4500
Last: 0.5700

View on Kalshi

Rules If Aryna Sabalenka wins the 2026 Women's French Open professional tennis tournament, then the market resolves to Yes.
Consequent (then it means this happened or will happen)

KXWTAGRANDSLAM-26-ASAB

Will Aryna Sabalenka win a Tennis Grand Slam in 2026?

Series: KXWTAGRANDSLAM
Entity: Aryna Sabalenka
Expiration: 2026-12-31T15:00:00Z
Volume: 13063

YES ask: 0.5200
NO ask: 0.5300
Last: 0.5600

View on Kalshi

Rules If Aryna Sabalenka 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: 2026-03-16T22:50:30Z

Reasoning: If Sabalenka wins the French Open, she has won a Grand Slam. The reverse does not hold — she could win a different major.

Strategy: Buy NO on antecedent + YES on consequent
Yield: N/A
Cost: $0.9700
Days to maturity: N/A
Hurdle yield: N/A
Excess yield: N/A

Human Review

Decision: confirmed
Reviewed at: 2026-03-16T23:07:36Z

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