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	param	t-stat
$ω$	0.0308	31.11
$α$	0.0678	39.83
$β$	0.9322	640.28
$γ$	0.6475	23.70
$δ$	1.1865	38.57

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American Express Co APARCH Volatility Analysis

Volatility Prediction for Monday, January 26th, 2026:32.45% (+1.37%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other American Express Co Analyses