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	param	t-stat
$ω$	1.2536	11.47
$α$	0.0889	7.72
$β$	0.8545	48.61
$γ_{1}$	0.0097	1.47
$γ_{2}$	-0.0324	-3.08
$γ_{3}$	0.0461	5.34
$γ_{4}$	-0.0247	-3.07
$γ_{5}$	-0.0049	-0.35

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Johnson & Johnson Spline-GARCH Volatility Analysis

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