Historical Volatility (Parkinson) (90-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 90-Day Historical Volatility (Parkinson) of 0.1746 for 2024-04-24.

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

Figures for 2024-04-24

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2063
Historical Volatility (Parkinson)	0.1746
Implied Volatility (Calls)	0.2386
Implied Volatility (Puts)	0.2480
Implied Volatility (Mean)	0.2433
Put-Call Implied Volatility Ratio	1.0390
Implied Volatility Skew	0.0245
Option Statistics
Put-Call Ratio (Volume)	0.4549
Put-Call Ratio (Open Interest)	0.6078
Forward Price	170.95
Call Breakeven Price	206.97
Put Breakeven Price	151.84
Option Breakeven Price	186.20