FNSOX vs. BIL
Compare and contrast key facts about Fidelity Short-Term Bond Index Fund (FNSOX) and SPDR Barclays 1-3 Month T-Bill ETF (BIL).
FNSOX is managed by Fidelity. It was launched on Oct 18, 2017. BIL is a passively managed fund by State Street that tracks the performance of the Barclays Capital U.S. 1-3 Month Treasury Bill Index. It was launched on May 25, 2007.
Performance
FNSOX vs. BIL - Performance Comparison
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FNSOX vs. BIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FNSOX Fidelity Short-Term Bond Index Fund | -0.12% | 6.01% | 3.90% | 4.90% | -5.76% | -1.25% | 4.28% | 4.95% | 1.14% | -0.22% |
BIL SPDR Barclays 1-3 Month T-Bill ETF | 0.88% | 4.15% | 5.19% | 4.94% | 1.40% | -0.10% | 0.40% | 2.03% | 1.74% | 0.13% |
Returns By Period
In the year-to-date period, FNSOX achieves a -0.12% return, which is significantly lower than BIL's 0.88% return.
FNSOX
- 1D
- 0.10%
- 1M
- -0.79%
- YTD
- -0.12%
- 6M
- 0.91%
- 1Y
- 3.80%
- 3Y*
- 4.25%
- 5Y*
- 1.58%
- 10Y*
- —
BIL
- 1D
- 0.03%
- 1M
- 0.30%
- YTD
- 0.88%
- 6M
- 1.84%
- 1Y
- 4.00%
- 3Y*
- 4.71%
- 5Y*
- 3.28%
- 10Y*
- 2.13%
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FNSOX vs. BIL - Expense Ratio Comparison
FNSOX has a 0.03% expense ratio, which is lower than BIL's 0.14% 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
FNSOX vs. BIL — Risk / Return Rank
FNSOX
BIL
FNSOX vs. BIL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Short-Term Bond Index Fund (FNSOX) and SPDR Barclays 1-3 Month T-Bill ETF (BIL). 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.
| FNSOX | BIL | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.74 | 19.52 | -17.78 |
Sortino ratioReturn per unit of downside risk | 2.68 | 254.20 | -251.52 |
Omega ratioGain probability vs. loss probability | 1.35 | 180.39 | -179.04 |
Calmar ratioReturn relative to maximum drawdown | 2.79 | 368.00 | -365.21 |
Martin ratioReturn relative to average drawdown | 10.34 | 4,131.71 | -4,121.38 |
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
| FNSOX | BIL | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.74 | 19.52 | -17.78 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.56 | 12.55 | -12.00 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 8.23 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.83 | 2.73 | -1.89 |
Correlation
The correlation between FNSOX and BIL is 0.05, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
FNSOX vs. BIL - Dividend Comparison
FNSOX's dividend yield for the trailing twelve months is around 3.14%, less than BIL's 3.96% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
FNSOX Fidelity Short-Term Bond Index Fund | 3.14% | 3.22% | 2.80% | 1.74% | 0.81% | 0.80% | 1.54% | 2.61% | 2.04% | 0.34% | 0.00% |
BIL SPDR Barclays 1-3 Month T-Bill ETF | 3.96% | 4.13% | 5.03% | 4.92% | 1.35% | 0.00% | 0.30% | 2.05% | 1.66% | 0.68% | 0.07% |
Drawdowns
FNSOX vs. BIL - Drawdown Comparison
The maximum FNSOX drawdown since its inception was -8.92%, which is greater than BIL's maximum drawdown of -0.78%. Use the drawdown chart below to compare losses from any high point for FNSOX and BIL.
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Drawdown Indicators
| FNSOX | BIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -8.92% | -0.78% | -8.14% |
Max Drawdown (1Y)Largest decline over 1 year | -1.47% | -0.01% | -1.46% |
Max Drawdown (5Y)Largest decline over 5 years | -8.77% | -0.12% | -8.65% |
Max Drawdown (10Y)Largest decline over 10 years | — | -0.21% | — |
Current DrawdownCurrent decline from peak | -1.08% | 0.00% | -1.08% |
Average DrawdownAverage peak-to-trough decline | -1.75% | -0.26% | -1.49% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.40% | 0.00% | +0.40% |
Volatility
FNSOX vs. BIL - Volatility Comparison
Fidelity Short-Term Bond Index Fund (FNSOX) has a higher volatility of 0.75% compared to SPDR Barclays 1-3 Month T-Bill ETF (BIL) at 0.06%. This indicates that FNSOX's price experiences larger fluctuations and is considered to be riskier than BIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FNSOX | BIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.75% | 0.06% | +0.69% |
Volatility (6M)Calculated over the trailing 6-month period | 1.37% | 0.14% | +1.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.21% | 0.21% | +2.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.86% | 0.26% | +2.60% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.48% | 0.26% | +2.22% |