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	param	t-stat
$m$	66
$α$	0.0082	5.59
$β$	0.8862	296.98
$γ$	0.1363	38.53
$λ_{1}$	0.0108	7.82
$λ_{2}$	0.0270	6.68
$λ_{3}$	0.9704	217.68

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American Express Co MF2-GARCH Volatility Analysis

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