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	param	t-stat
$ω$	1.0663	2.96
$α$	0.1968	2.93
$β$	0.5203	2.56
$γ_{1}$	-3.4174	-1.07
$γ_{2}$	9.5620	1.73

V-Lab

Amentum Holdings Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:80.26% (-7.20%)

Date Range:

Parameter Estimates

News Impact Curve

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