MIAKX
MFS Inflation-Adjusted Bond Fund
MFS Series Trust IX

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
6.37%
3 year
3.47%
5 year
0.44%
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 Jan. 31, 2026
Volatility (ann.)
4.84%
Sharpe
0.62
Sortino
1.06
Max drawdown
-14.75%
Best month
4.18%
Worst month
-6.30%
Beta vs VBTLX
0.79
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.