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	param	t-stat
$m$	61
$α$	0.0553	20.28
$β$	0.8205	94.61
$γ$	0.0569	13.22
$λ_{1}$	0.0104	2.51
$λ_{2}$	0.0378	3.49
$λ_{3}$	0.9581	76.41

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AT&T Inc MF2-GARCH Volatility Analysis

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