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	param	t-stat
$ω$	0.2112	10.36
$α$	0.1457	18.47
$β$	0.8099	78.39
$γ$	0.0780	3.44
$δ$	1.9751	24.41

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Grupo Aval Acciones y Valores SA APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:41.45% (-3.36%)

Date Range:

Parameter Estimates

News Impact Curve

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