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	param	t-stat
$m$	61
$α$	0.0553	20.24
$β$	0.8202	94.43
$γ$	0.0569	13.24
$λ_{1}$	0.0104	2.50
$λ_{2}$	0.0378	3.48
$λ_{3}$	0.9580	76.21

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AT&T Inc MF2-GARCH Volatility Analysis

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