Historical Volatility (Parkinson) (30-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 30-Day Historical Volatility (Parkinson) of 0.3878 for 2022-05-23.

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

Figures for 2022-05-23

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5193
Historical Volatility (Parkinson)	0.3878
Implied Volatility (Calls)	0.3597
Implied Volatility (Puts)	0.3572
Implied Volatility (Mean)	0.3585
Put-Call Implied Volatility Ratio	0.9930
Implied Volatility Skew	0.1180
Option Statistics
Put-Call Ratio (Volume)	0.6453
Put-Call Ratio (Open Interest)	1.6372
Forward Price	143.60
Call Breakeven Price	157.14
Put Breakeven Price	130.15
Option Breakeven Price	140.78

Data from Quantcha