Put-Call Ratio (Volume) (30-Day)

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

Penumbra, Inc. (PEN) had 30-Day Put-Call Ratio (Volume) of 0.1061 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6167
Historical Volatility (Parkinson)	0.3064
Implied Volatility (Calls)	0.3416
Implied Volatility (Puts)	0.3245
Implied Volatility (Mean)	0.3331
Put-Call Implied Volatility Ratio	0.9501
Implied Volatility Skew	0.0649
Option Statistics
Put-Call Ratio (Volume)	0.1061
Put-Call Ratio (Open Interest)	0.2937