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	param	t-stat
$ω$	0.7465	3.40
$α$	0.0435	6.86
$β$	0.9361	105.96
$γ_{1}$	0.0223	0.52
$γ_{2}$	0.0004	0.01
$γ_{3}$	-0.0784	-2.42
$γ_{4}$	0.1152	3.87
$γ_{5}$	-0.1205	-3.94
$γ_{6}$	0.1329	3.99
$γ_{7}$	-0.1189	-4.03
$γ_{8}$	0.0532	2.68

V-Lab

Alcoa Corp Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:58.90% (+0.76%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Alcoa Corp Analyses