VUSUX vs. FNBGX
VUSUX (Vanguard Long-Term Treasury Fund Admiral Shares) and FNBGX (Fidelity Long-Term Treasury Bond Index Fund) are both Government Bonds funds. Over the past 5 years, VUSUX returned -7.22%/yr vs -7.42%/yr for FNBGX. Their 1.00 correlation means they have historically moved very closely together. VUSUX charges 0.10%/yr vs 0.03%/yr for FNBGX.
Performance
VUSUX vs. FNBGX - Performance Comparison
Loading charts...
Returns By Period
The year-to-date returns for both investments are quite close, with VUSUX having a -3.34% return and FNBGX slightly higher at -3.27%.
VUSUX
- 1D
- 0.40%
- 1M
- -3.33%
- 6M
- -2.97%
- YTD
- -3.34%
- 1Y
- -1.80%
- 3Y*
- -0.01%
- 5Y*
- -7.22%
- 10Y*
- -1.70%
- ALL TIME*
- 3.62%
FNBGX
- 1D
- 0.34%
- 1M
- -3.50%
- 6M
- -3.07%
- YTD
- -3.27%
- 1Y
- -1.90%
- 3Y*
- -0.16%
- 5Y*
- -7.42%
- 10Y*
- —
- ALL TIME*
- -1.41%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
VUSUX vs. FNBGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VUSUX Vanguard Long-Term Treasury Fund Admiral Shares | -3.34% | 5.66% | -6.30% | 3.43% | -29.51% | -4.71% | 18.10% | 14.26% | -1.80% | 2.10% |
FNBGX Fidelity Long-Term Treasury Bond Index Fund | -3.27% | 5.30% | -6.18% | 3.20% | -29.89% | -5.17% | 17.58% | 14.24% | -1.62% | 1.86% |
Correlation
The correlation between VUSUX and FNBGX is 0.99 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.99 |
Correlation (3Y) Balances recent behavior with more history. | 0.99 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 1.00 |
Correlation (All Time) Calculated using the full available price history since Oct 19, 2017 | 1.00 |
The correlation between VUSUX and FNBGX has been stable across timeframes, ranging from 0.99 to 1.00 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
VUSUX vs. FNBGX — Risk / Return Rank
VUSUX
FNBGX
VUSUX vs. FNBGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Long-Term Treasury Fund Admiral Shares (VUSUX) and Fidelity Long-Term Treasury Bond Index Fund (FNBGX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| VUSUX | FNBGX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.02 | ||
| Sortino ratioReturn per unit of downside risk | +0.03 | ||
| Omega ratioGain probability vs. loss probability | 0.98 | 0.97 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | -0.21 | -0.23 | +0.02 |
| Martin ratioReturn relative to average drawdown | -0.47 | -0.51 | +0.04 |
Loading charts...
Drawdowns
VUSUX vs. FNBGX - Drawdown Comparison
The maximum VUSUX drawdown since its inception was -46.12%, roughly equal to the maximum FNBGX drawdown of -46.86%. Use the drawdown chart below to compare losses from any high point for VUSUX and FNBGX.
Loading charts...
Drawdown Indicators
| VUSUX | FNBGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.12% | -46.86% | +0.74% |
Max Drawdown (1Y)Largest decline over 1 year | -7.42% | -7.38% | -0.04% |
Max Drawdown (3Y)Largest decline over 3 years | -13.56% | -13.48% | -0.08% |
Max Drawdown (5Y)Largest decline over 5 years | -41.34% | -41.54% | +0.20% |
Max Drawdown (10Y)Largest decline over 10 years | -46.12% | — | — |
Current DrawdownCurrent decline from peak | -38.12% | -39.30% | +1.18% |
Average DrawdownAverage peak-to-trough decline | -11.70% | -21.94% | +10.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.29% | 3.32% | -0.03% |
Volatility
VUSUX vs. FNBGX - Volatility Comparison
Vanguard Long-Term Treasury Fund Admiral Shares (VUSUX) and Fidelity Long-Term Treasury Bond Index Fund (FNBGX) have volatilities of 2.32% and 2.31%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| VUSUX | FNBGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.32% | 2.31% | +0.01% |
Volatility (6M)Calculated over the trailing 6-month period | 6.42% | 6.38% | +0.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.45% | 8.37% | +0.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.50% | 14.46% | +0.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.69% | 14.11% | -0.42% |
VUSUX vs. FNBGX - Expense Ratio Comparison
VUSUX has a 0.10% expense ratio, which is higher than FNBGX's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
VUSUX vs. FNBGX - Dividend Comparison
VUSUX's dividend yield for the trailing twelve months is around 4.35%, more than FNBGX's 3.81% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FNBGX Fidelity Long-Term Treasury Bond Index Fund | 3.81% | 3.88% | 3.75% | 3.20% | 2.26% | 2.47% | 3.96% | 2.63% | 2.93% | 0.70% | 0.00% | 0.00% |
VUSUX Vanguard Long-Term Treasury Fund Admiral Shares | 4.35% | 4.39% | 4.15% | 3.43% | 3.05% | 4.46% | 10.28% | 2.92% | 2.91% | 2.74% | 5.38% | 5.62% |
Frequently Asked Questions
With a correlation of 0.99, VUSUX and FNBGX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
VUSUX has higher volatility (2.32%) compared to FNBGX (2.31%). In terms of maximum drawdown, VUSUX dropped -46.12% vs FNBGX's -46.86%.
VUSUX currently has the higher Sharpe Ratio (-0.18 vs -0.20), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for VUSUX and FNBGX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer