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	param	t-stat
$ω$	0.1255	11.18
$α$	0.0212	9.16
$β$	0.9105	257.94
$γ$	0.0848	11.49

V-Lab

Armstrong World Industries Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:27.04% (-0.38%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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