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	param	t-stat
$ω$	1.0027	4.63
$α$	0.1209	8.53
$β$	0.8263	44.15
$γ_{1}$	-0.0741	-2.08
$γ_{2}$	0.1416	2.90
$γ_{3}$	-0.1366	-4.97
$γ_{4}$	0.1049	4.23
$γ_{5}$	-0.0307	-1.42
$γ_{6}$	-0.0109	-0.73

V-Lab

MFS Investment Grade Muni TR Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:7.53% (+0.59%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other MFS Investment Grade Muni TR Analyses