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	param	t-stat
$ω$	0.7416	7.95
$α$	0.1726	7.91
$β$	0.7439	28.32
$γ_{1}$	-0.0777	-3.34
$γ_{2}$	0.1490	4.17
$γ_{3}$	-0.1285	-4.41
$γ_{4}$	0.0657	2.46
$γ_{5}$	0.0266	1.27
$γ_{6}$	-0.0583	-3.88

V-Lab

Invesco Quality Muni Income Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:11.45% (-0.66%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Invesco Quality Muni Income Analyses