Put-Call Ratio (Open Interest) (20-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Biogen Inc. (BIIB) had 20-Day Put-Call Ratio (Open Interest) of 1.0255 for 2022-11-25.

10-Day 20-Day 30-Day 60-Day
90-Day 120-Day 150-Day 180-Day

Figures for 2022-11-25

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2114
Historical Volatility (Parkinson)	0.2069
Implied Volatility (Calls)	0.3863
Implied Volatility (Puts)	0.3804
Implied Volatility (Mean)	0.3833
Put-Call Implied Volatility Ratio	0.9847
Implied Volatility Skew	0.0552
Option Statistics
Put-Call Ratio (Volume)	0.5204
Put-Call Ratio (Open Interest)	1.0255
Forward Price	310.04
Call Breakeven Price	314.57
Put Breakeven Price	273.49
Option Breakeven Price	298.54

Data from Quantcha