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 0.7051 for 2022-08-16.

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

Figures for 2022-08-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2093
Historical Volatility (Parkinson)	0.2315
Implied Volatility (Calls)	0.2739
Implied Volatility (Puts)	0.2987
Implied Volatility (Mean)	0.2863
Put-Call Implied Volatility Ratio	1.0905
Implied Volatility Skew	0.0791
Option Statistics
Put-Call Ratio (Volume)	0.4523
Put-Call Ratio (Open Interest)	0.7051
Forward Price	225.01
Call Breakeven Price	235.24
Put Breakeven Price	199.11
Option Breakeven Price	219.39

Data from Quantcha