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	param	t-stat
$ω$	4.9950	4.90
$α$	0.0688	55.55
$β$	0.9947	899.33
$ν$	5.6012	14.36

V-Lab

American Express Co GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:27.51% (-0.61%)

Date Range:

Parameter Estimates

Other American Express Co Analyses