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	param	t-stat
$ω$	0.0162	22.23
$α$	0.1208	42.14
$β$	0.8792	309.23
$γ$	0.1791	12.48
$δ$	1.4600	36.19

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MFS Investment Grade Muni TR APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:7.25% (+0.41%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other MFS Investment Grade Muni TR Analyses