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	param	t-stat
$ω$	4.9908	4.90
$α$	0.0688	55.71
$β$	0.9947	899.33
$ν$	5.5869	14.45

V-Lab

American Express Co GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, January 20th, 2026:26.01% (+1.55%)

Date Range:

Parameter Estimates

Other American Express Co Analyses