MNDRX
MFS New Discovery Fund
MFS SERIES TRUST I

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
12.10%
3 year
10.47%
5 year
-0.94%
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.)
16.06%
Sharpe
0.57
Sortino
0.93
Max drawdown
-40.54%
Best month
17.15%
Worst month
-17.07%
Beta vs VTSAX
1.19
Correlation
0.89

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

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