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.

Pfizer Inc. (PFE) had 90-Day Put-Call Ratio (Volume) of 0.5190 for 2026-08-04.

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Figures for 2026-08-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1958
Historical Volatility (Parkinson)	0.1906
Implied Volatility (Calls)	0.2491
Implied Volatility (Puts)	0.2393
Implied Volatility (Mean)	0.2442
Put-Call Implied Volatility Ratio	0.9604
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.5190
Put-Call Ratio (Open Interest)	0.6193