Historical Volatility (Close-to-Close) (120-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 120-Day Historical Volatility (Close-to-Close) of 0.2012 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)	0.2012
Historical Volatility (Parkinson)	0.1769
Implied Volatility (Calls)	0.1802
Implied Volatility (Puts)	0.2397
Implied Volatility (Mean)	0.2099
Put-Call Implied Volatility Ratio	1.3306
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.2621
Put-Call Ratio (Open Interest)	0.6284
Forward Price	16.88
Call Breakeven Price	19.29
Put Breakeven Price	15.36
Option Breakeven Price	17.76