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	param	t-stat
$ω$	2.8710	4.46
$α$	0.0703	33.14
$β$	0.9908	480.50
$ν$	5.7102	8.35

V-Lab

AT&T Inc GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:25.37% (-1.35%)

Date Range:

Parameter Estimates

Other AT&T Inc Analyses