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 0.2080 for 2023-03-27.

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

Figures for 2023-03-27

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2170
Historical Volatility (Parkinson)	0.2080
Implied Volatility (Calls)	0.2778
Implied Volatility (Puts)	0.2591
Implied Volatility (Mean)	0.2685
Put-Call Implied Volatility Ratio	0.9328
Implied Volatility Skew	0.1204
Option Statistics
Put-Call Ratio (Volume)	0.9952
Put-Call Ratio (Open Interest)	1.1278
Forward Price	159.02
Call Breakeven Price	168.49
Put Breakeven Price	139.69
Option Breakeven Price	153.23