FZOLX vs. VBIRX
Compare and contrast key facts about Fidelity SAI Low Duration Income Fund (FZOLX) and Vanguard Short-Term Bond Index Fund Admiral Shares (VBIRX).
FZOLX is managed by Fidelity. It was launched on Oct 13, 2020. VBIRX is managed by Vanguard. It was launched on Nov 12, 2001.
Performance
FZOLX vs. VBIRX - Performance Comparison
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FZOLX vs. VBIRX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
FZOLX Fidelity SAI Low Duration Income Fund | 0.40% | 4.85% | 5.59% | 5.72% | 0.34% | -0.04% | 0.11% |
VBIRX Vanguard Short-Term Bond Index Fund Admiral Shares | -0.33% | 6.09% | 3.75% | 4.87% | -5.63% | -1.20% | 0.31% |
Returns By Period
In the year-to-date period, FZOLX achieves a 0.40% return, which is significantly higher than VBIRX's -0.33% return.
FZOLX
- 1D
- 0.00%
- 1M
- -0.20%
- YTD
- 0.40%
- 6M
- 1.58%
- 1Y
- 3.97%
- 3Y*
- 5.09%
- 5Y*
- 3.36%
- 10Y*
- —
VBIRX
- 1D
- 0.20%
- 1M
- -1.25%
- YTD
- -0.33%
- 6M
- 0.87%
- 1Y
- 3.65%
- 3Y*
- 4.12%
- 5Y*
- 1.58%
- 10Y*
- 1.89%
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FZOLX vs. VBIRX - Expense Ratio Comparison
FZOLX has a 0.22% expense ratio, which is higher than VBIRX's 0.07% 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%.
Return for Risk
FZOLX vs. VBIRX — Risk / Return Rank
FZOLX
VBIRX
FZOLX vs. VBIRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI Low Duration Income Fund (FZOLX) and Vanguard Short-Term Bond Index Fund Admiral Shares (VBIRX). 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.
| FZOLX | VBIRX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 3.35 | 1.70 | +1.65 |
Sortino ratioReturn per unit of downside risk | 10.47 | 2.80 | +7.66 |
Omega ratioGain probability vs. loss probability | 3.53 | 1.34 | +2.19 |
Calmar ratioReturn relative to maximum drawdown | 14.91 | 2.78 | +12.14 |
Martin ratioReturn relative to average drawdown | 69.67 | 10.26 | +59.40 |
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
| FZOLX | VBIRX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.35 | 1.70 | +1.65 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 2.84 | 0.54 | +2.30 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.80 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 2.67 | 0.97 | +1.70 |
Correlation
The correlation between FZOLX and VBIRX is 0.43, 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
FZOLX vs. VBIRX - Dividend Comparison
FZOLX's dividend yield for the trailing twelve months is around 4.82%, more than VBIRX's 3.60% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FZOLX Fidelity SAI Low Duration Income Fund | 4.82% | 5.26% | 5.15% | 4.03% | 1.14% | 0.16% | 0.01% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VBIRX Vanguard Short-Term Bond Index Fund Admiral Shares | 3.60% | 3.83% | 3.37% | 2.41% | 1.46% | 1.22% | 1.77% | 2.24% | 2.03% | 1.66% | 1.50% | 1.41% |
Drawdowns
FZOLX vs. VBIRX - Drawdown Comparison
The maximum FZOLX drawdown since its inception was -1.10%, smaller than the maximum VBIRX drawdown of -8.69%. Use the drawdown chart below to compare losses from any high point for FZOLX and VBIRX.
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Drawdown Indicators
| FZOLX | VBIRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -1.10% | -8.69% | +7.59% |
Max Drawdown (1Y)Largest decline over 1 year | -0.30% | -1.54% | +1.24% |
Max Drawdown (5Y)Largest decline over 5 years | -1.10% | -8.64% | +7.54% |
Max Drawdown (10Y)Largest decline over 10 years | — | -8.69% | — |
Current DrawdownCurrent decline from peak | -0.20% | -1.25% | +1.05% |
Average DrawdownAverage peak-to-trough decline | -0.14% | -0.99% | +0.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.06% | 0.42% | -0.36% |
Volatility
FZOLX vs. VBIRX - Volatility Comparison
The current volatility for Fidelity SAI Low Duration Income Fund (FZOLX) is 0.25%, while Vanguard Short-Term Bond Index Fund Admiral Shares (VBIRX) has a volatility of 0.74%. This indicates that FZOLX experiences smaller price fluctuations and is considered to be less risky than VBIRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FZOLX | VBIRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.25% | 0.74% | -0.49% |
Volatility (6M)Calculated over the trailing 6-month period | 0.88% | 1.50% | -0.62% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.31% | 2.42% | -1.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.19% | 2.93% | -1.74% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.14% | 2.39% | -1.25% |