Put-Call Ratio (Volume) (180-Day)

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

Pfizer Inc. (PFE) had 180-Day Put-Call Ratio (Volume) of 0.0758 for 2026-11-04.

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Figures for 2026-11-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2023
Historical Volatility (Parkinson)	0.1893
Implied Volatility (Calls)	0.2649
Implied Volatility (Puts)	0.2611
Implied Volatility (Mean)	0.2630
Put-Call Implied Volatility Ratio	0.9860
Implied Volatility Skew	0.0020
Option Statistics
Put-Call Ratio (Volume)	0.0758
Put-Call Ratio (Open Interest)	0.9173