Put-Call Ratio (Volume) (150-Day)

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

Penumbra, Inc. (PEN) 150-Day Put-Call Ratio (Volume) data is not available for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2804
Historical Volatility (Parkinson)	0.2047
Implied Volatility (Calls)	0.1253
Implied Volatility (Puts)	0.3564
Implied Volatility (Mean)	0.2409
Put-Call Implied Volatility Ratio	2.8433
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.4371