MMIBX
MFS Municipal Income Fund
MFS Municipal Series Trust

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
2.59%
3 year
3.70%
5 year
0.12%
10 year

Standardized average annual total returns (before tax), from calendar-year returns; recent years derived from N-PORT monthly data.

Calendar-year returns

2020 onward derived from N-PORT monthly returns

Risk statistics

81 months through March 31, 2026
Volatility (ann.)
6.33%
Sharpe
0.43
Sortino
0.79
Max drawdown
-16.30%
Best month
7.16%
Worst month
-6.49%

Derived from N-PORT monthly total returns; distinct from the prospectus returns above.

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.