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	param	t-stat
$ω$	0.8837	7.92
$α$	0.0438	6.52
$β$	0.9338	99.47
$γ_{1}$	-0.0040	-2.69
$γ_{2}$	0.0092	3.45

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Caterpillar Inc Spline-GARCH Volatility Analysis

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