Historical Volatility (Parkinson) (150-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.

Apple Inc. (AAPL) had 150-Day Historical Volatility (Parkinson) of 0.2910 for 2022-07-01.

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

Figures for 2022-07-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3643
Historical Volatility (Parkinson)	0.2910
Implied Volatility (Calls)	0.3516
Implied Volatility (Puts)	0.3526
Implied Volatility (Mean)	0.3521
Put-Call Implied Volatility Ratio	1.0028
Implied Volatility Skew	0.0530
Option Statistics
Put-Call Ratio (Volume)	1.1346
Put-Call Ratio (Open Interest)	1.1540
Forward Price	140.47
Call Breakeven Price	182.70
Put Breakeven Price	113.44
Option Breakeven Price	145.17

Data from Quantcha