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	param	t-stat
$ω$	0.7453	3.39
$α$	0.0604	8.01
$β$	0.9046	78.92
$γ_{1}$	-0.0015	-0.02
$γ_{2}$	0.0366	0.36
$γ_{3}$	-0.0569	-1.01
$γ_{4}$	-0.0197	-0.43
$γ_{5}$	0.1340	3.11
$γ_{6}$	-0.2180	-4.89
$γ_{7}$	0.2586	4.73
$γ_{8}$	-0.2405	-3.74
$γ_{9}$	0.1624	2.79
$γ_{10}$	-0.0679	-1.68

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Howmet Aerospace Inc Zero Slope Spline-GARCH Volatility Analysis

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Volatility Forecast

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