Put-Call Ratio (Volume) (10-Day)

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

Biogen Inc. (BIIB) had 10-Day Put-Call Ratio (Volume) of 0.3728 for 2025-07-02.

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Figures for 2025-07-02

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2765
Historical Volatility (Parkinson)	0.3451
Implied Volatility (Calls)	0.3462
Implied Volatility (Puts)	0.3249
Implied Volatility (Mean)	0.3356
Put-Call Implied Volatility Ratio	0.9386
Implied Volatility Skew	0.0597
Option Statistics
Put-Call Ratio (Volume)	0.3728
Put-Call Ratio (Open Interest)	0.5638