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	param	t-stat
$ω$	0.8060	7.14
$α$	0.0582	7.38
$β$	0.8959	57.35
$γ_{1}$	-0.0265	-0.87
$γ_{2}$	0.1157	2.47
$γ_{3}$	-0.2054	-6.31
$γ_{4}$	0.1998	6.93
$γ_{5}$	-0.1521	-4.63
$γ_{6}$	0.1099	2.71
$γ_{7}$	-0.0474	-1.09
$γ_{8}$	0.0110	0.24
$γ_{9}$	-0.0269	-0.38

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Norfolk Southern Corp Spline-GARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

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