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	param	t-stat
$ω$	1.0000	2.01
$α$	0.2400	12.61
$β$	0.6478	21.55
$γ$	0.3346	4.73
$δ$	1.4590	3.77

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Amentum Holdings Inc APARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:63.65% (+4.04%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Amentum Holdings Inc Analyses