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.

Biogen Inc. (BIIB) had 150-Day Put-Call Ratio (Volume) of 0.0000 for 2026-03-19.

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Figures for 2026-03-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3185
Historical Volatility (Parkinson)	0.3202
Implied Volatility (Calls)	0.3911
Implied Volatility (Puts)	0.3731
Implied Volatility (Mean)	0.3821
Put-Call Implied Volatility Ratio	0.9538
Implied Volatility Skew	0.0443
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	1.1519