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 −11.50% over the past year and −11.14% YTD, with dividends reinvested. Since Oct. 10, 2017, FNBGX is down −37.00% in real purchasing-power return, or −5.01%/yr, and is currently −54.95% below its real total-return high on Apr. 21, 2020.

Data ending Mon Oct. 5, 2026

Growth of $10,000

Tue 2017-10-10💬 to Mon 2026-10-05 Overall
Return 		Exponential
Trendline
FNBGX × 		−37.00%
−5.01%/yr 		−6.56%/yr
R2=0.591
Fidelity Long-Term Treasury Bond Index Fund Institutional Premium Class Mutual Fund

Growth of $10,000 Summary

Tue 2017-10-10💬 to Mon 2026-10-05 Start
Value 		End
Value
FNBGX × 		$10,000.00
2017-10-10 		$6,299.84
2026-10-05

This Year’s Performance

through 2026-10-05

  YTD YoY
FNBGX × 		−11.14% −11.50%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
FNBGX × 		−54.95%
on 2026-10-05
from 2020-04-21 peak 		−54.95%
on 2026-10-05
from 2020-04-21 peak

Rolling Returns

Period ending Mon 2026-10-05 1 yr 2 yr 3 yr 5 yr 10 yr
FNBGX × 		−11.50% −15.02%
−7.82%/yr 		−3.78%
−1.28%/yr 		−44.11%
−10.98%/yr 		—

Annual Returns

Year FNBGX
2026 (YTD) −11.14%
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%