Put-Call Ratio (Volume) (90-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 90-Day Put-Call Ratio (Volume) of 1.2966 for 2026-02-20.

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Figures for 2026-02-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2087
Historical Volatility (Parkinson)	0.1904
Implied Volatility (Calls)	0.2408
Implied Volatility (Puts)	0.2462
Implied Volatility (Mean)	0.2435
Put-Call Implied Volatility Ratio	1.0227
Implied Volatility Skew	0.0235
Option Statistics
Put-Call Ratio (Volume)	1.2966
Put-Call Ratio (Open Interest)	1.1492