All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

FNBGX: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

FNBGX real return snapshot: after CPI-U inflation, FNBGX returned −10.84% over the past year and −8.63% YTD, with dividends reinvested. Since Oct. 10, 2017, FNBGX is down −35.23% in real purchasing-power return, or −4.70%/yr, and is currently −53.68% below its real total-return high on Apr. 21, 2020.

Data ending Fri Oct. 16, 2026

Growth of $10,000

Tue 2017-10-10💬 to Fri 2026-10-16 Overall
Return 		Exponential
Trendline
FNBGX × 		−35.23%
−4.70%/yr 		−6.57%/yr
R2=0.595
Fidelity Long-Term Treasury Bond Index Fund Institutional Premium Class Mutual Fund

Growth of $10,000 Summary

Tue 2017-10-10💬 to Fri 2026-10-16 Start
Value 		End
Value
FNBGX × 		$10,000.00
2017-10-10 		$6,477.39
2026-10-16

This Year’s Performance

through 2026-10-16

  YTD YoY
FNBGX × 		−8.63% −10.84%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
FNBGX × 		−53.68%
on 2026-10-16
from 2020-04-21 peak 		−55.09%
on 2026-10-05
from 2020-04-21 peak

Rolling Returns

Period ending Fri 2026-10-16 1 yr 2 yr 3 yr 5 yr 10 yr
FNBGX × 		−10.84% −12.32%
−6.36%/yr 		−1.42%
−0.47%/yr 		−42.81%
−10.58%/yr 		—

Annual Returns

Year FNBGX
2026 (YTD) −8.63%
2025 +2.58%
2024 −8.54%
2023 −0.16%
2022 −33.87%
2021 −11.11%
2020 +16.20%
2019 +11.70%
2018 −3.45%
2017 +2.74%