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	param	t-stat
$ω$	0.7488	6.50
$α$	0.0873	7.88
$β$	0.8403	40.80
$γ_{1}$	-0.0311	-1.13
$γ_{2}$	0.0484	1.23
$γ_{3}$	-0.0859	-3.30
$γ_{4}$	0.1394	5.15
$γ_{5}$	-0.0989	-3.77
$γ_{6}$	0.0467	1.62
$γ_{7}$	-0.0218	-0.66
$γ_{8}$	-0.0043	-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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