ISTBX
Invesco Short Term Bond Fund
AIM Investment Securities Funds (Invesco Investment Securities Funds)

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
5.64%
3 year
5.67%
5 year
2.43%
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.)
1.59%
Sharpe
3.58
Sortino
13.08
Max drawdown
-7.05%
Best month
2.19%
Worst month
-4.74%
Beta vs VBTLX
0.23
Correlation
0.82

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

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