Put-Call Ratio (Volume) (60-Day)

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

Penumbra, Inc. (PEN) had 60-Day Put-Call Ratio (Volume) of 0.1715 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4163
Historical Volatility (Parkinson)	0.3172
Implied Volatility (Calls)	0.1495
Implied Volatility (Puts)	0.1537
Implied Volatility (Mean)	0.1516
Put-Call Implied Volatility Ratio	1.0281
Implied Volatility Skew	-0.0026
Option Statistics
Put-Call Ratio (Volume)	0.1715
Put-Call Ratio (Open Interest)	3.7159