FNBGX
Fidelity Long-Term Treasury Bond Index Fund
Fidelity Salem Street Trust
Index fund

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
5.27%
3 year
0.63%
5 year
-7.31%
10 year
-0.05%

Standardized average annual total returns (before tax), from calendar-year returns; recent years derived from N-PORT monthly data.

Calendar-year returns

2025 onward derived from N-PORT monthly returns

Risk statistics

78 months through Feb. 28, 2026
Volatility (ann.)
12.88%
Sharpe
0.10
Sortino
0.16
Max drawdown
-45.41%
Best month
9.12%
Worst month
-8.92%
Beta vs VBTLX
2.26
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.