Historical Volatility (Parkinson) (180-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 180-Day Historical Volatility (Parkinson) of 0.1564 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)	0.1964
Historical Volatility (Parkinson)	0.1564
Implied Volatility (Calls)	0.2311
Implied Volatility (Puts)	0.2460
Implied Volatility (Mean)	0.2385
Put-Call Implied Volatility Ratio	1.0646
Implied Volatility Skew	0.0211
Option Statistics
Put-Call Ratio (Volume)	0.4629
Put-Call Ratio (Open Interest)	1.0268
Forward Price	172.76
Call Breakeven Price	232.91
Put Breakeven Price	144.41
Option Breakeven Price	188.24