Historical Volatility (Close-to-Close) (10-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.

AT&T Inc. (T) had 10-Day Historical Volatility (Close-to-Close) of 0.3173 for 2020-07-02.

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

Figures for 2020-07-02

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3173
Historical Volatility (Parkinson)	0.2091
Implied Volatility (Calls)	0.1828
Implied Volatility (Puts)	0.3931
Implied Volatility (Mean)	0.2880
Put-Call Implied Volatility Ratio	2.1504
Implied Volatility Skew	-0.1624
Option Statistics
Put-Call Ratio (Volume)	0.4770
Put-Call Ratio (Open Interest)	1.1573
Forward Price	29.72
Call Breakeven Price	31.69
Put Breakeven Price	28.46
Option Breakeven Price	29.86

Data from Quantcha