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	param	t-stat
$m$	66
$α$	0.0079	5.40
$β$	0.8867	296.24
$γ$	0.1369	38.60
$λ_{1}$	0.0109	7.84
$λ_{2}$	0.0272	6.64
$λ_{3}$	0.9702	214.79

V-Lab

American Express Co MF2-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 25th, 2026:50.48% (-2.71%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other American Express Co Analyses