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 0.4790 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1963
Historical Volatility (Parkinson)	0.2035
Implied Volatility (Calls)	0.2494
Implied Volatility (Puts)	0.2253
Implied Volatility (Mean)	0.2373
Put-Call Implied Volatility Ratio	0.9033
Implied Volatility Skew	0.0422
Option Statistics
Put-Call Ratio (Volume)	0.4790
Put-Call Ratio (Open Interest)	0.4976