MRIBX
MFS Research International Fund
MFS SERIES TRUST I

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
21.48%
3 year
11.64%
5 year
4.76%
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

78 months through Feb. 28, 2026
Volatility (ann.)
11.23%
Sharpe
1.25
Sortino
2.26
Max drawdown
-29.58%
Best month
12.91%
Worst month
-12.30%
Beta vs VTIAX
0.96
Correlation
0.95

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

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