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	param	t-stat
$ω$	0.8863	8.02
$α$	0.0453	6.58
$β$	0.9309	96.08
$γ_{1}$	-0.0039	-2.67
$γ_{2}$	0.0089	3.35

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Caterpillar Inc Spline-GARCH Volatility Analysis

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