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	param	t-stat
$ω$	4.9564	4.87
$α$	0.0686	55.74
$β$	0.9946	884.88
$ν$	5.5485	14.51

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American Express Co GAS-GARCH Student T Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

Other American Express Co Analyses