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	param	t-stat
$ω$	4.9814	4.89
$α$	0.0689	55.48
$β$	0.9946	893.65
$ν$	5.5952	14.36

V-Lab

American Express Co GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:23.14% (-0.27%)

Date Range:

Parameter Estimates

Other American Express Co Analyses