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 0.1837 for 2026-09-18.

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Figures for 2026-09-18

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2015
Historical Volatility (Parkinson)	0.1933
Implied Volatility (Calls)	0.2430
Implied Volatility (Puts)	0.2484
Implied Volatility (Mean)	0.2457
Put-Call Implied Volatility Ratio	1.0221
Implied Volatility Skew	0.0043
Option Statistics
Put-Call Ratio (Volume)	0.1837
Put-Call Ratio (Open Interest)	1.3737