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	param	t-stat
$ω$	0.0242	19.98
$α$	0.0533	33.82
$β$	0.9373	554.27

V-Lab

AT&T Inc GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:28.65% (-0.80%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other AT&T Inc Analyses