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	param	t-stat
$ω$	1.9075	6.06
$α$	0.1018	7.27
$β$	0.8741	59.77
$γ_{1}$	0.0121	4.95

V-Lab

Invesco S&P International Developed Quality ETF Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:18.90% (-0.15%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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