Put-Call Ratio (Volume) (30-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Costco Wholesale Corporation (COST) had 30-Day Put-Call Ratio (Volume) of 0.3763 for 2026-02-19.

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Figures for 2026-02-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2251
Historical Volatility (Parkinson)	0.2169
Implied Volatility (Calls)	0.2653
Implied Volatility (Puts)	0.2776
Implied Volatility (Mean)	0.2714
Put-Call Implied Volatility Ratio	1.0466
Implied Volatility Skew	0.0090
Option Statistics
Put-Call Ratio (Volume)	0.3763
Put-Call Ratio (Open Interest)	0.7600