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	param	t-stat
$ω$	1.0518	8.05
$α$	0.0820	6.44
$β$	0.8675	40.08
$γ_{1}$	0.0186	1.69
$γ_{2}$	-0.0508	-2.99
$γ_{3}$	0.0561	4.81
$γ_{4}$	-0.0239	-2.45
$γ_{5}$	-0.0046	-0.70

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Altria Group Inc Zero Slope Spline-GARCH Volatility Analysis

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