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	param	t-stat
$ω$	2.2006	4.85
$α$	0.1746	3.33
$β$	0.5405	5.90
$γ_{1}$	-0.0538	-0.52
$γ_{2}$	0.1737	1.13
$γ_{3}$	-0.2204	-1.88
$γ_{4}$	0.2839	2.24
$γ_{5}$	-0.3642	-2.79
$γ_{6}$	0.2775	2.38
$γ_{7}$	-0.1201	-1.65

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Ulta Beauty Inc Zero Slope Spline-GARCH Volatility Analysis

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