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	param	t-stat
$ω$	4.9893	4.87
$α$	0.0686	55.77
$β$	0.9946	885.66
$ν$	5.5427	14.54

V-Lab

American Express Co GAS-GARCH Student T Volatility Analysis

Date Range:

News Impact Curve

Volatility Forecast

Parameter Estimates

Other American Express Co Analyses