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	param	t-stat
$ω$	0.7448	3.41
$α$	0.0607	7.98
$β$	0.9038	77.82
$γ_{1}$	-0.0006	-0.01
$γ_{2}$	0.0350	0.34
$γ_{3}$	-0.0546	-0.97
$γ_{4}$	-0.0238	-0.52
$γ_{5}$	0.1396	3.25
$γ_{6}$	-0.2238	-5.01
$γ_{7}$	0.2630	4.80
$γ_{8}$	-0.2413	-3.78
$γ_{9}$	0.1595	2.76
$γ_{10}$	-0.0645	-1.58

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Howmet Aerospace Inc Zero Slope Spline-GARCH Volatility Analysis

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Volatility Forecast

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