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	param	t-stat
$ω$	2.2087	4.93
$α$	0.1698	3.30
$β$	0.5466	5.92
$γ_{1}$	-0.0468	-0.46
$γ_{2}$	0.1611	1.07
$γ_{3}$	-0.2093	-1.83
$γ_{4}$	0.2739	2.22
$γ_{5}$	-0.3607	-2.84
$γ_{6}$	0.2849	2.47
$γ_{7}$	-0.1304	-1.80

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Ulta Beauty Inc Zero Slope Spline-GARCH Volatility Analysis

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