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	param	t-stat
$ω$	0.6944	5.49
$α$	0.0768	8.16
$β$	0.8936	80.87
$γ_{1}$	0.0458	1.60
$γ_{2}$	-0.0320	-0.71
$γ_{3}$	-0.0866	-1.94
$γ_{4}$	0.1238	2.91
$γ_{5}$	-0.0761	-2.27
$γ_{6}$	0.0761	2.14
$γ_{7}$	-0.1050	-2.19
$γ_{8}$	0.0711	1.51

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Edison International Zero Slope Spline-GARCH Volatility Analysis

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Volatility Forecast

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