FNDSX vs. VUBFX
Compare and contrast key facts about Fidelity Sustainability Bond Index Fund (FNDSX) and Vanguard Ultra-Short-Term Bond Fund Investor Shares (VUBFX).
FNDSX is managed by Fidelity. It was launched on Jun 19, 2018. VUBFX is managed by Vanguard. It was launched on Feb 24, 2015.
Performance
FNDSX vs. VUBFX - Performance Comparison
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FNDSX vs. VUBFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
FNDSX Fidelity Sustainability Bond Index Fund | -0.46% | 7.03% | 1.23% | 5.44% | -13.34% | -2.22% | 6.95% | 8.30% | 1.89% |
VUBFX Vanguard Ultra-Short-Term Bond Fund Investor Shares | 0.59% | 5.04% | 5.99% | 5.43% | -0.53% | 0.03% | 1.95% | 3.34% | 1.37% |
Returns By Period
In the year-to-date period, FNDSX achieves a -0.46% return, which is significantly lower than VUBFX's 0.59% return.
FNDSX
- 1D
- 0.43%
- 1M
- -2.31%
- YTD
- -0.46%
- 6M
- 0.49%
- 1Y
- 3.64%
- 3Y*
- 3.36%
- 5Y*
- 0.01%
- 10Y*
- —
VUBFX
- 1D
- 0.10%
- 1M
- -0.06%
- YTD
- 0.59%
- 6M
- 1.72%
- 1Y
- 4.31%
- 3Y*
- 5.24%
- 5Y*
- 3.26%
- 10Y*
- 2.56%
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FNDSX vs. VUBFX - Expense Ratio Comparison
FNDSX has a 0.10% expense ratio, which is lower than VUBFX's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
FNDSX vs. VUBFX — Risk / Return Rank
FNDSX
VUBFX
FNDSX vs. VUBFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Sustainability Bond Index Fund (FNDSX) and Vanguard Ultra-Short-Term Bond Fund Investor Shares (VUBFX). 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.
| FNDSX | VUBFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.96 | 5.20 | -4.24 |
Sortino ratioReturn per unit of downside risk | 1.37 | 10.21 | -8.84 |
Omega ratioGain probability vs. loss probability | 1.17 | 3.61 | -2.44 |
Calmar ratioReturn relative to maximum drawdown | 1.74 | 14.81 | -13.07 |
Martin ratioReturn relative to average drawdown | 4.98 | 67.09 | -62.11 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| FNDSX | VUBFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.96 | 5.20 | -4.24 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.00 | 3.34 | -3.34 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 3.07 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.31 | 3.06 | -2.74 |
Correlation
The correlation between FNDSX and VUBFX is 0.44, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
FNDSX vs. VUBFX - Dividend Comparison
FNDSX's dividend yield for the trailing twelve months is around 3.60%, less than VUBFX's 4.12% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
FNDSX Fidelity Sustainability Bond Index Fund | 3.60% | 3.84% | 3.53% | 2.84% | 1.55% | 1.17% | 1.79% | 3.17% | 1.56% | 0.00% | 0.00% |
VUBFX Vanguard Ultra-Short-Term Bond Fund Investor Shares | 4.12% | 4.62% | 5.42% | 4.06% | 1.28% | 0.43% | 1.52% | 2.58% | 2.13% | 1.43% | 0.98% |
Drawdowns
FNDSX vs. VUBFX - Drawdown Comparison
The maximum FNDSX drawdown since its inception was -19.72%, which is greater than VUBFX's maximum drawdown of -1.86%. Use the drawdown chart below to compare losses from any high point for FNDSX and VUBFX.
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Drawdown Indicators
| FNDSX | VUBFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.72% | -1.86% | -17.86% |
Max Drawdown (1Y)Largest decline over 1 year | -2.73% | -0.30% | -2.43% |
Max Drawdown (5Y)Largest decline over 5 years | -18.30% | -1.86% | -16.44% |
Max Drawdown (10Y)Largest decline over 10 years | — | -1.86% | — |
Current DrawdownCurrent decline from peak | -4.59% | -0.10% | -4.49% |
Average DrawdownAverage peak-to-trough decline | -6.55% | -0.17% | -6.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.96% | 0.07% | +0.89% |
Volatility
FNDSX vs. VUBFX - Volatility Comparison
Fidelity Sustainability Bond Index Fund (FNDSX) has a higher volatility of 1.62% compared to Vanguard Ultra-Short-Term Bond Fund Investor Shares (VUBFX) at 0.34%. This indicates that FNDSX's price experiences larger fluctuations and is considered to be riskier than VUBFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FNDSX | VUBFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.62% | 0.34% | +1.28% |
Volatility (6M)Calculated over the trailing 6-month period | 2.59% | 0.55% | +2.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.41% | 0.84% | +3.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.98% | 0.98% | +5.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.34% | 0.84% | +4.50% |