Pair #2533

Antecedent (if this happens)

KXMOWOMEN-26-KOS

Will Marta Kostyuk win the WTA Miami Open?

Series: KXMOWOMEN
Entity: Marta Kostyuk
Expiration: 2026-03-28T19:30:00Z
Volume: 1104

YES ask: 0.0100
NO ask: 1.0000
Last: 0.0200

View on Kalshi

Rules If Marta Kostyuk wins the 2026 WTA Miami Open professional tennis tournament, then the market resolves to Yes.
Consequent (then it means this happened or will happen)

KXWTAMATCH-26MAR22RYBKOS-KOS

Will Marta Kostyuk win the Rybakina vs Kostyuk : Round Of 32 match?

Series: KXWTAMATCH
Entity: Marta Kostyuk
Expiration: 2026-03-22T17:00:00Z
Volume: 1404

YES ask: 0.2100
NO ask: 0.8000
Last: 0.2000

View on Kalshi

Rules If Marta Kostyuk wins the Rybakina vs Kostyuk professional tennis match in the 2026 WTA Miami Round Of 32 after a ball has been played, then the market resolves to Yes.
LLM Screening

Confidence: high
Model: claude-sonnet-4-6
Screened: 2026-03-22T08:01:21Z

Reasoning: To win the WTA Miami Open, Kostyuk must win every match including the R32 match against Rybakina. So winning the tournament necessarily means she won this match. The reverse does not hold.

Strategy: Buy NO on antecedent + YES on consequent
Yield: N/A
Cost: $1.2100
Days to maturity: N/A
Hurdle yield: N/A
Excess yield: N/A

Human Review

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