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 0.2185 for 2022-01-25.

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

Figures for 2022-01-25

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2392
Historical Volatility (Parkinson)	0.2185
Implied Volatility (Calls)	--
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.0235
Forward Price	--
Call Breakeven Price	--
Put Breakeven Price	--
Option Breakeven Price	--

Data from Quantcha