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	param	t-stat
$ω$	0.7470	6.50
$α$	0.0870	7.85
$β$	0.8402	40.64
$γ_{1}$	-0.0316	-1.14
$γ_{2}$	0.0494	1.26
$γ_{3}$	-0.0869	-3.34
$γ_{4}$	0.1403	5.18
$γ_{5}$	-0.0994	-3.79
$γ_{6}$	0.0469	1.63
$γ_{7}$	-0.0218	-0.66
$γ_{8}$	-0.0044	-0.16

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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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