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	param	t-stat
$ω$	1.2148	8.31
$α$	0.0541	5.60
$β$	0.9108	53.99
$γ_{1}$	0.0253	0.85
$γ_{2}$	0.0073	0.15
$γ_{3}$	-0.1269	-3.43
$γ_{4}$	0.1743	5.03
$γ_{5}$	-0.1366	-3.45
$γ_{6}$	0.1268	2.70
$γ_{7}$	-0.1131	-2.11
$γ_{8}$	0.0593	1.17
$γ_{9}$	-0.0247	-0.68

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Wal-Mart Stores Inc Zero Slope Spline-GARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

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