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	param	t-stat
$ω$	0.7528	6.38
$α$	0.0851	7.90
$β$	0.8490	42.70
$γ_{1}$	-0.0285	-1.01
$γ_{2}$	0.0437	1.09
$γ_{3}$	-0.0812	-3.04
$γ_{4}$	0.1345	4.82
$γ_{5}$	-0.0937	-3.44
$γ_{6}$	0.0398	1.35
$γ_{7}$	-0.0126	-0.37
$γ_{8}$	-0.0128	-0.45

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International Business Machines Corp Zero Slope Spline-GARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

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