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 0.4990 for 2026-07-06.

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Figures for 2026-07-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2231
Historical Volatility (Parkinson)	0.2022
Implied Volatility (Calls)	0.2386
Implied Volatility (Puts)	0.2369
Implied Volatility (Mean)	0.2377
Put-Call Implied Volatility Ratio	0.9928
Implied Volatility Skew	0.0018
Option Statistics
Put-Call Ratio (Volume)	0.4990
Put-Call Ratio (Open Interest)	1.1310