Historical Volatility (Parkinson) (180-Day)

Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.

American Tower Corporation (AMT) had 180-Day Historical Volatility (Parkinson) of 0.2065 for 2024-06-14.

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

Figures for 2024-06-14

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2295
Historical Volatility (Parkinson)	0.2065
Implied Volatility (Calls)	0.2277
Implied Volatility (Puts)	0.2731
Implied Volatility (Mean)	0.2504
Put-Call Implied Volatility Ratio	1.1995
Implied Volatility Skew	0.0031
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	1.5868
Forward Price	199.63
Call Breakeven Price	230.02
Put Breakeven Price	151.01
Option Breakeven Price	181.54