MFBBX
MFS Corporate Bond Fund
MFS Series Trust IX

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
6.63%
3 year
5.53%
5 year
-1.01%
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.)
6.23%
Sharpe
0.62
Sortino
1.12
Max drawdown
-22.36%
Best month
5.79%
Worst month
-6.90%
Beta vs VBTLX
1.10
Correlation
0.98

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

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