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	param	t-stat
$ω$	0.9217	7.44
$α$	0.0744	8.91
$β$	0.8782	65.65
$γ_{1}$	0.0271	1.16
$γ_{2}$	-0.0044	-0.13
$γ_{3}$	-0.1063	-4.31
$γ_{4}$	0.1499	6.83
$γ_{5}$	-0.0990	-4.90
$γ_{6}$	0.0765	3.16
$γ_{7}$	-0.0683	-2.48
$γ_{8}$	0.0228	1.00

V-Lab

AT&T Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, March 2nd, 2026:27.19% (+0.43%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other AT&T Inc Analyses