MMIIX
MFS Municipal High Income Fund
MFS Series Trust III

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
3.50%
3 year
5.60%
5 year
1.30%
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 April 30, 2026
Volatility (ann.)
6.59%
Sharpe
0.79
Sortino
1.54
Max drawdown
-18.41%
Best month
7.00%
Worst month
-8.79%

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

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