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	param	t-stat
$ω$	0.0250	9.24
$α$	0.1352	45.61
$β$	0.9861	1,128.27
$γ$	-0.0823	-25.90

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American Express Co EGARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:33.81% (+1.06%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other American Express Co Analyses