Put-Call Ratio (Volume) (120-Day)

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

Biogen Inc. (BIIB) had 120-Day Put-Call Ratio (Volume) of 1.6442 for 2025-06-27.

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Figures for 2025-06-27

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3481
Historical Volatility (Parkinson)	0.3229
Implied Volatility (Calls)	0.3617
Implied Volatility (Puts)	0.3516
Implied Volatility (Mean)	0.3566
Put-Call Implied Volatility Ratio	0.9722
Implied Volatility Skew	0.0042
Option Statistics
Put-Call Ratio (Volume)	1.6442
Put-Call Ratio (Open Interest)	0.6810