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	param	t-stat
$m$	66
$α$	0.0081	5.53
$β$	0.8855	295.36
$γ$	0.1376	38.72
$λ_{1}$	0.0109	7.81
$λ_{2}$	0.0272	6.69
$λ_{3}$	0.9702	216.57

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American Express Co MF2-GARCH Volatility Analysis

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