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	param	t-stat
$ω$	1.2476	7.22
$α$	0.1372	8.65
$β$	0.8231	45.09
$γ_{1}$	-0.0177	-1.54
$γ_{2}$	0.0487	2.46
$γ_{3}$	-0.0656	-2.88

V-Lab

Invesco S&P 500 Quality ETF Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:17.66% (-0.80%)

Date Range:

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