Historical Volatility (Parkinson) (120-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 120-Day Historical Volatility (Parkinson) of 0.1676 for 2024-04-18.

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

Figures for 2024-04-18

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2089
Historical Volatility (Parkinson)	0.1676
Implied Volatility (Calls)	0.2503
Implied Volatility (Puts)	0.2635
Implied Volatility (Mean)	0.2569
Put-Call Implied Volatility Ratio	1.0529
Implied Volatility Skew	0.0246
Option Statistics
Put-Call Ratio (Volume)	0.1507
Put-Call Ratio (Open Interest)	0.4488
Forward Price	169.49
Call Breakeven Price	211.11
Put Breakeven Price	154.13
Option Breakeven Price	193.46