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	param	t-stat
$ω$	0.9729	8.43
$α$	0.1100	8.95
$β$	0.8367	53.88
$γ_{1}$	-0.0305	-2.46
$γ_{2}$	0.0291	1.62
$γ_{3}$	0.0255	2.10
$γ_{4}$	-0.0522	-4.17
$γ_{5}$	0.0609	4.40
$γ_{6}$	-0.0853	-4.38

V-Lab

MFS High Income Municipal Trust Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:7.84% (-0.20%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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