Pair #4

Antecedent (if this happens)

KXFOWOMEN-26-SWI

Will Iga Swiatek win the French Open?

Series: KXFOWOMEN
Entity: Iga Swiatek
Expiration: 2026-06-10T17:00:00Z
Volume: 193270

YES ask: 0.2600
NO ask: 0.7500
Last: 0.2700

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Rules

If Iga Swiatek 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-ISWI

Will Iga Swiatek win a Tennis Grand Slam in 2026?

Series: KXWTAGRANDSLAM
Entity: Iga Swiatek
Expiration: 2026-12-31T15:00:00Z
Volume: 7227

YES ask: 0.1500
NO ask: 0.8900
Last: 0.1100

View on Kalshi

Rules

If Iga Swiatek 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
Code version: N/A

Reasoning: If Swiatek 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
Est. yield (after fees): N/A
Cost: $0.9000 + ~$0.0221 est. fees
Days to maturity: N/A
Hurdle yield: N/A
Excess yield: N/A

Human Review

Decision: confirmed
Reviewed at: 2026-03-16T23:07:31Z

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