MFSSX
MFS Massachusetts Municipal Bond Fund
MFS Municipal Series Trust

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
2.96%
3 year
3.75%
5 year
0.45%
10 year
1.90%

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

Calendar-year returns

2025 onward derived from N-PORT monthly returns

Risk statistics

81 months through March 31, 2026
Volatility (ann.)
5.87%
Sharpe
0.48
Sortino
0.95
Max drawdown
-15.18%
Best month
6.85%
Worst month
-5.91%

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

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