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	param	t-stat
$ω$	1.7080	2.39
$α$	0.2953	2.46
$β$	0.0151	0.19
$γ_{1}$	-0.4100	-0.04
$γ_{2}$	-4.7934	-0.33
$γ_{3}$	16.5254	1.18
$γ_{4}$	-28.7349	-1.33
$γ_{5}$	29.8489	1.28
$γ_{6}$	-13.1004	-0.84
$γ_{7}$	8.5710	0.81
$γ_{8}$	-21.6866	-2.07
$γ_{9}$	19.1305	2.40

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Shengfeng Development Ltd Zero Slope Spline-GARCH Volatility Analysis

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