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	param	t-stat
$ω$	1.1108	2.00
$α$	0.1804	2.56
$β$	0.4876	1.91
$γ_{1}$	2.2578	0.16
$γ_{2}$	-12.2584	-0.65
$γ_{3}$	25.2907	2.73
$γ_{4}$	-22.3360	-3.56

V-Lab

Amentum Holdings Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:68.54% (-6.47%)

Date Range:

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News Impact Curve

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