All charts and data below are with dividends reinvested. (Inflation adjustment is OFF !)

Total Real Returns

FNBGX: Total Return Chart (with Dividends Reinvested)

FNBGX total return snapshot: FNBGX returned +2.81% over the past year and +0.27% YTD, with dividends reinvested. Since Oct. 10, 2017, FNBGX is down −6.66% in nominal total return, or −0.79%/yr, and is currently −36.41% below its total-return high on Aug. 4, 2020.

Data ending Thu Jul. 2, 2026

Tue 2017-10-10💬 to Thu 2026-07-02 YTD
Return
1 Year
Return
FNBGX
×
+0.27%
2026-07-02
+2.81%
2026-07-02
Fidelity Long-Term Treasury Bond Index Fund Institutional Premium Class Mutual Fund

Returns

Tue 2017-10-10💬 to Thu 2026-07-02 Overall
Return
Exponential
Trendline
FNBGX
×
−6.66%
−0.79%/yr
−2.87%/yr
(R2=0.234)
Fidelity Long-Term Treasury Bond Index Fund Institutional Premium Class Mutual Fund

Growth of $10,000

Tue 2017-10-10💬 to Thu 2026-07-02 Start
Value
End
Value
FNBGX
×
$10,000.00
2017-10-10
$9,334.33
2026-07-02
Fidelity Long-Term Treasury Bond Index Fund Institutional Premium Class Mutual Fund

Annual Returns

Year FNBGX
2026 (YTD) +0.27%
2025 +5.32%
2024 −5.90%
2023 +3.19%
2022 −29.59%
2021 −4.85%
2020 +17.78%
2019 +14.25%
2018 −1.61%
2017 +2.63%

Drawdowns

Tue 2017-10-10💬 to Thu 2026-07-02 Current
Drawdown
Worst
Drawdown
FNBGX
×
−36.41%
from 2020-08-04 peak
−46.32%
2023-10-19
from 2020-08-04 peak
Fidelity Long-Term Treasury Bond Index Fund Institutional Premium Class Mutual Fund

Rolling Returns

Period ending Thu 2026-07-02 1
Year
2
Years
3
Years
5
Years
10
Years
FNBGX
×
+2.81% +4.90%
+2.42%/yr
−1.97%
−0.66%/yr
−25.88%
−5.81%/yr
Fidelity Long-Term Treasury Bond Index Fund Institutional Premium Class Mutual Fund