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	param	t-stat
$ω$	0.9305	4.14
$α$	0.1974	7.60
$β$	0.7540	26.04
$γ_{1}$	0.0209	0.71
$γ_{2}$	-0.0528	-1.36
$γ_{3}$	0.0616	3.94
$γ_{4}$	-0.0410	-4.35

V-Lab

Alliancebernstein National MUN Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:7.40% (+0.22%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Alliancebernstein National MUN Analyses