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.

AT&T Inc. (T) had 30-Day Historical Volatility (Close-to-Close) of 0.1336 for 2024-05-16.

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

Figures for 2024-05-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1336
Historical Volatility (Parkinson)	0.1752
Implied Volatility (Calls)	0.1600
Implied Volatility (Puts)	0.1555
Implied Volatility (Mean)	0.1578
Put-Call Implied Volatility Ratio	0.9716
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.4056
Put-Call Ratio (Open Interest)	0.2538
Forward Price	17.38
Call Breakeven Price	18.07
Put Breakeven Price	15.84
Option Breakeven Price	17.57