Put-Call Ratio (Volume) (10-Day)

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

Pfizer Inc. (PFE) had 10-Day Put-Call Ratio (Volume) of 1.8885 for 2026-03-20.

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Figures for 2026-03-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2442
Historical Volatility (Parkinson)	0.2155
Implied Volatility (Calls)	0.2754
Implied Volatility (Puts)	0.2655
Implied Volatility (Mean)	0.2705
Put-Call Implied Volatility Ratio	0.9643
Implied Volatility Skew	0.0855
Option Statistics
Put-Call Ratio (Volume)	1.8885
Put-Call Ratio (Open Interest)	1.0803