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Fidelity Long-Term Treasury Bond Index Fund (FNBGX) Stock Analysis

$8.89 +$0.13 (+1.48%) |CouncilSplit View · 45 · C
Fidelity Long-Term Treasury Bond Index Fund (FNBGX) bottom line: Split View — our Council read (45/100) and AI Score (44/100) broadly agree. Strongest signal: Izzy Englander bullish · Biggest watch-out: Moon AI bearish.
MCap: $5.06B|
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) trades at $8.89 with AI Score 44/100 (Grade C). Fidelity Long-Term Treasury Bond Index Fund (FNBGX) aims to replicate the performance of the Bloomberg U. S. Market cap: $5.06B, Sector: Financial services.

Price as of Aug 20, 2026 · Last analyzed: Mar 18, 2026
Fidelity Long-Term Treasury Bond Index Fund (FNBGX) aims to replicate the performance of the Bloomberg U.S. Long Treasury Bond Index. The fund invests primarily in long-term U.S. Treasury securities, maintaining a dollar-weighted average maturity of 10 years or more.

Analyst Coverage for FNBGX: FNBGX does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates FNBGX against Financial Services peers across nine fundamental dimensions and assigns an underweight signal based on the underlying data.

Watch the FNBGX film Every key number, told as a short cinematic story — just press play. ~2 min
Council Score · Weighted Average of 3 Disciplines
Split View 45/100 · C

FNBGX: the 3 scored disciplines are evenly split. Dominant signal: Izzy Englander bullish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI
Ray Dalio
Bullish
Jim Simons
Neutral
Izzy Englander
Bullish
Seth Klarman
Neutral
Moon AI
Bearish
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Neutral
Margin of Safety
Fairly Valued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →

Why this analysis is different

  • A 9-signal quantitative MoonshotScore built from filings, insider activity, and market data — computed from the numbers, not from opinion.
  • An AI Council read across up to eight perspectives — value, macro, quantitative, and momentum lenses — that shows where they disagree instead of averaging the tension away.
  • Figures come straight from FMP and Yahoo Finance filings data. The AI writes the narrative around the numbers — it never edits the numbers.

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) Financial Services Profile

Fidelity Long-Term Treasury Bond Index (FNBGX) seeks to mirror the Bloomberg U.S. Long Treasury Bond Index, focusing on long-term U.S. Treasury securities. The fund employs statistical sampling to replicate index returns, offering investors exposure to the long-end of the Treasury yield curve with a target maturity of 10 years or greater.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 18, 2026

What Is the Investment Thesis for FNBGX?

As of Mar 18, 2026 — figures reflect the data available on that date.

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) presents a straightforward investment thesis centered on providing exposure to long-term U.S. Treasury bonds. The fund's primary value driver is its ability to closely track the Bloomberg U.S. Long Treasury Bond Index, offering investors a cost-effective way to participate in the long-term Treasury market. With a beta of 1.00, FNBGX's performance is expected to closely mirror the index. A potential catalyst for FNBGX is a decline in interest rates, which would likely lead to an increase in the fund's value. Conversely, rising interest rates represent a key risk, potentially leading to a decrease in the fund's value. The fund's success hinges on its ability to maintain a close tracking error relative to its benchmark index.

Based on FMP financials and quantitative analysis

FNBGX Key Highlights

FNBGX aims to replicate the Bloomberg U.S. Long Treasury Bond Index, providing exposure to long-term U.S. Treasury securities.

  • The fund maintains a dollar-weighted average maturity generally expected to be 10 years or more, consistent with the index.
  • Statistical sampling techniques are used to replicate the index returns with a smaller number of securities.
  • FNBGX has a beta of 1.00, indicating its price tends to move in line with the broader market.
  • The fund does not distribute dividends, focusing instead on capital appreciation.

Who Are FNBGX's Competitors?

FNBGX is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
VGLT Vanguard Long-Term Treasury ETF $52.94 -0.69% $15.2B 44
TLT iShares 20+ Year Treasury Bond ETF $82.34 -0.82% $41.6B 44
PRWBX T. Rowe Price Short Term Bond Fund $4.60 +0.00% $5.35B 46
VSGDX Vanguard Short-Term Federal Fund Admiral Shares $10.21 -0.10% $4.48B 46
SHYG iShares 0-5 Year High Yield Corporate Bond ETF $42.20 -0.12% $7.63B 44
UCON First Trust Smith Unconstrained Bond ETF $24.63 -0.36% $3.30B 44
FLCB Franklin U.S. Core Bond ETF $21.06 -0.40% $3.06B 44
SIIDX Bernstein Intermediate Duration Institutional Portfolio $30.02 -0.17% $1.95B 55

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are FNBGX's Key Strengths?

Low expense ratio

  • Close tracking of the Bloomberg U.S. Long Treasury Bond Index
  • Exposure to the safe-haven asset class of U.S. Treasury bonds
  • Managed by a reputable investment firm (Fidelity)

What Are FNBGX's Weaknesses?

Sensitivity to interest rate changes

  • Limited potential for capital appreciation in a rising rate environment
  • No dividend payments
  • Performance tied to a single asset class (long-term Treasury bonds)

What Could Drive FNBGX Stock Higher?

FNBGX catalyst: Potential interest rate cuts by the Federal Reserve, which could lead to capital appreciation for long-term Treasury bonds.

  • Increased demand for safe-haven assets during periods of economic uncertainty or market volatility.
  • Continued growth in fixed income investing, particularly among retirement savers and institutional investors.

What Are the Key Risks for FNBGX?

Rising interest rates, which could lead to a decrease in the value of long-term Treasury bonds.

  • Inflation, which can erode the real return on fixed income investments.
  • Changes in monetary policy, which can impact interest rates and bond yields.
  • Increased competition from other fixed income funds and ETFs.

What Are the Growth Opportunities for FNBGX?

  • Increased Demand for Safe-Haven Assets: In times of economic uncertainty or market volatility, investors often seek safe-haven assets like U.S. Treasury bonds. This increased demand can drive up the price of long-term Treasury bonds, benefiting FNBGX. The market size for safe-haven assets is substantial, with trillions of dollars flowing into U.S. Treasury securities during periods of crisis. This is an ongoing opportunity.
  • Declining Interest Rate Environment: A declining interest rate environment can lead to capital appreciation for long-term Treasury bonds. As interest rates fall, the value of existing bonds with higher coupon rates increases, boosting the fund's performance. The potential for further interest rate cuts by the Federal Reserve could serve as a catalyst for FNBGX. This is an upcoming opportunity.
  • Expansion of Fixed Income Investing: The growing popularity of fixed income investing, particularly among retirement savers and institutional investors, presents a growth opportunity for FNBGX. As more investors allocate capital to fixed income, demand for low-cost, index-tracking Treasury bond funds like FNBGX is likely to increase. This is an ongoing opportunity.
  • Increased Adoption of Passive Investing: The trend towards passive investing, where investors seek to replicate the performance of a specific index rather than actively manage their portfolios, benefits FNBGX. As passive investing gains further traction, more investors are likely to allocate capital to index funds like FNBGX. This is an ongoing opportunity.
  • Strategic Asset Allocation: Investors may use long-term Treasury bonds as part of a strategic asset allocation strategy to balance risk and return in their portfolios. FNBGX provides a convenient and cost-effective way for investors to gain exposure to this asset class. The fund can be used to offset the risk of other asset classes, such as stocks or corporate bonds. This is an ongoing opportunity.

What Are FNBGX's Competitive Advantages?

  • Low Expense Ratio: FNBGX offers a competitive expense ratio, making it a noteworthy option for cost-conscious investors.
  • Index Tracking: The fund's ability to closely track the Bloomberg U.S. Long Treasury Bond Index provides investors with predictable and reliable returns.
  • Brand Recognition: Fidelity is a well-known and respected investment management firm, which enhances investor confidence in FNBGX.

What Does FNBGX Do?

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) is designed to provide investment results that correspond to the performance of the Bloomberg U.S. Long Treasury Bond Index. The fund was created to offer investors a low-cost way to access the long-term U.S. Treasury market. FNBGX invests primarily in U.S. Treasury securities with maturities of ten years or more, aiming to replicate the index's composition and performance. The fund utilizes statistical sampling techniques, which involves investing in a representative sample of securities included in the index, rather than holding all of the securities. This approach helps to manage costs while still closely tracking the index's returns. The fund is managed by Fidelity Management & Research Company, a well-established investment management firm with extensive experience in managing fixed income portfolios. FNBGX provides investors with exposure to the long-end of the Treasury yield curve, which can be used for diversification or to express a view on interest rate movements.

What Products and Services Does FNBGX Offer?

  • Invests primarily in securities included in the Bloomberg U.S. Long Treasury Bond Index.
  • Seeks to replicate the performance of the Bloomberg U.S. Long Treasury Bond Index.
  • Maintains a dollar-weighted average maturity of 10 years or more.
  • Uses statistical sampling techniques to replicate index returns.
  • Provides investors with exposure to the long-end of the Treasury yield curve.
  • Offers a low-cost way to access the long-term U.S. Treasury market.

How Does FNBGX Make Money?

  • The fund generates revenue by charging a small expense ratio to investors.
  • The expense ratio covers the costs of managing the fund, including investment management fees and administrative expenses.
  • The fund's performance is directly tied to the performance of the Bloomberg U.S. Long Treasury Bond Index.

What Industry Does FNBGX Operate In?

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) operates within the fixed income market, specifically targeting long-term U.S. Treasury bonds. The fixed income market is influenced by macroeconomic factors such as interest rates, inflation, and economic growth. The competitive landscape includes other index funds and ETFs that track similar Treasury bond indices. FNBGX's success depends on its ability to closely replicate its target index and maintain a low expense ratio compared to its peers. The fund's performance is directly tied to the performance of long-term Treasury bonds, making it sensitive to changes in interest rates and investor sentiment towards government debt.

Who Are FNBGX's Key Customers?

  • Individual investors seeking exposure to long-term U.S. Treasury bonds.
  • Retirement savers looking for a low-risk fixed income investment.
  • Institutional investors seeking to match liabilities or diversify their portfolios.
AI Confidence: 73% Updated: Mar 18, 2026

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) Valuation Context

Relative to its peer group, FNBGX's quantitative score of 44/100 is roughly in line with the peer average of 45/100.

FNBGX Financials

Bull Case vs Bear Case

Bull Case

  • Low expense ratio
  • Close tracking of the Bloomberg U.S. Long Treasury Bond Index
  • Exposure to the safe-haven asset class of U.S. Treasury bonds
  • Managed by a reputable investment firm (Fidelity)

Bear Case

  • Sensitivity to interest rate changes
  • Limited potential for capital appreciation in a rising rate environment
  • No dividend payments
  • Performance tied to a single asset class (long-term Treasury bonds)

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · August 2026

FNBGX Latest News

No recent news available for FNBGX.

FNBGX Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for FNBGX.

Price Targets

Wall Street price target analysis for FNBGX.

FNBGX MoonshotScore

44/100

What does this score mean?

The MoonshotScore rates FNBGX 0-100 on quantitative fundamentals — growth, financial health, valuation, momentum, and risk.

Fidelity Long-Term Treasury Bond Index Fund Financial Services Stock: Key Questions Answered

What does the AI Score mean for FNBGX?

FNBGX holds an AI Score of 44/100 (Grade: C). This is an educational research signal, not a buy or sell recommendation. Fidelity Long-Term Treasury Bond Index Fund (FNBGX) aims to replicate the performance of the Bloomberg U.S. Long Treasury Bond Index. The fund invests primarily in long-term U.S. Treasury …

What does Fidelity Long-Term Trs Bd Index do?

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) is designed to mirror the performance of the Bloomberg U.S. Long Treasury Bond Index. It achieves this by investing at least 80% of its assets in securities included in the index, focusing on U.S. Treasury bonds with maturities of 10 years or more.

What do analysts say about FNBGX stock?

As an index fund, FNBGX's performance is primarily evaluated based on its ability to track the Bloomberg U.S. Long Treasury Bond Index. Key metrics include tracking error, expense ratio, and yield. Analysts typically focus on the fund's efficiency in replicating the index's returns and its cost-effectiveness compared to similar funds.

What are the main risks for FNBGX?

The primary risk for FNBGX is interest rate risk. As interest rates rise, the value of long-term Treasury bonds tends to decline, which could negatively impact the fund's performance. Inflation also poses a risk, as it can erode the real return on fixed income investments.

What are the key factors to evaluate for FNBGX?

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) holds an AI score of 44/100 (low). Fidelity Long-Term Treasury Bond Index Fund (FNBGX) presents a straightforward investment thesis centered on providing exposure to long-term U.S. Not financial advice.

How frequently does FNBGX data refresh on this page?

FNBGX's price was last updated on Aug 20, 2026 and refreshes on page view during U.S. market hours — it is not a real-time exchange feed. Fundamentals update after quarterly filings; the MoonshotScore recalculates nightly; news aggregates continuously.

What has driven FNBGX's recent stock price performance?

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Low expense ratio. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider FNBGX overvalued or undervalued right now?

Fidelity Long-Term Treasury Bond Index Fund (FNBGX) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

How do I research FNBGX before investing?

Before investing in Fidelity Long-Term Treasury Bond Index Fund (FNBGX), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) analyst consensus ratings and price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated AI Score refreshed daily
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • The information provided is based on publicly available data and is intended for informational purposes only. It does not constitute investment advice.
Data Sources

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