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	param	t-stat
$ω$	4.9922	4.88
$α$	0.0687	55.91
$β$	0.9946	892.04
$ν$	5.5459	14.61

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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