Historical Volatility (Close-to-Close) (30-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

Apple Inc. (AAPL) had 30-Day Historical Volatility (Close-to-Close) of 0.2207 for 2021-09-20.

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

Figures for 2021-09-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2207
Historical Volatility (Parkinson)	0.1915
Implied Volatility (Calls)	0.2876
Implied Volatility (Puts)	0.2826
Implied Volatility (Mean)	0.2851
Put-Call Implied Volatility Ratio	0.9826
Implied Volatility Skew	0.1197
Option Statistics
Put-Call Ratio (Volume)	0.7186
Put-Call Ratio (Open Interest)	0.3511
Forward Price	142.30
Call Breakeven Price	155.66
Put Breakeven Price	133.16
Option Breakeven Price	149.97

Data from Quantcha