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MMIBX Chart NMFQS:MMIBX

Muni National Long | MFS
$7.70
↓ $-0.35 (-4.35%)
Last Updated: Oct 16, 2026

MMIBX Price Chart

3M 6M YTD 1Y 5Y 10Y Max
This chart displays NAV data for MFS Municipal Income Fund Class B (MMIBX). For complete fund information and metrics, visit the Mfs Municipal Income Fund Class B (MMIBX) fund's overview page.


Performance Summary

YTD Return -%
1-Year Return -2.36%
3-Year Return 2.75%
5-Year Return -1.10%
NAV $7.70
Previous Close $8.05

Fund Metrics

Net Assets $7.10 Billion
Expense Ratio 1.54%
Dividend Yield 0.00%
Morning Star Rating -
Inception Date 1986-12-29
Update Date 2026-09-30