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	param	t-stat
$ω$	2.8487	4.42
$α$	0.0698	32.73
$β$	0.9909	482.67
$ν$	5.7368	8.23

V-Lab

AT&T Inc GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Friday, December 26th, 2025:17.69% (-0.05%)

Date Range:

Parameter Estimates

Other AT&T Inc Analyses