Put-Call Implied Volatility Ratio (180-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

Biogen Inc. (BIIB) had 180-Day Put-Call Implied Volatility Ratio of 0.9909 for 2022-09-23.

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

Figures for 2022-09-23

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3331
Historical Volatility (Parkinson)	0.2864
Implied Volatility (Calls)	0.5581
Implied Volatility (Puts)	0.5530
Implied Volatility (Mean)	0.5556
Put-Call Implied Volatility Ratio	0.9909
Implied Volatility Skew	-0.0232
Option Statistics
Put-Call Ratio (Volume)	3.0416
Put-Call Ratio (Open Interest)	5.5327
Forward Price	204.47
Call Breakeven Price	257.37
Put Breakeven Price	148.07
Option Breakeven Price	166.14

Data from Quantcha