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	param	t-stat
$ω$	0.8721	8.30
$α$	0.1205	4.74
$β$	0.8273	28.90
$γ_{1}$	0.0279	2.08
$γ_{2}$	-0.0679	-2.52

V-Lab

Invesco International BuyBack Achievers ETF Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:20.15% (+1.01%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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