VGLT vs. BIL
VGLT (Vanguard Long-Term Treasury ETF) and BIL (SPDR Bloomberg 1-3 Month T-Bill ETF) are both Government Bonds funds - VGLT tracks the Bloomberg U.S. Long Treasury Index while BIL tracks the Bloomberg 1-3 Month U.S. Treasury Bill Index. Both are passively managed. Over the past 10 years, VGLT returned -1.10%/yr vs 2.18%/yr for BIL. At a 0.01 correlation, their price movements are largely independent. VGLT charges 0.03%/yr vs 0.14%/yr for BIL.
Performance
VGLT vs. BIL - Performance Comparison
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Returns By Period
In the year-to-date period, VGLT achieves a -0.41% return, which is significantly lower than BIL's 1.49% return. Over the past 10 years, VGLT has underperformed BIL with an annualized return of -1.10%, while BIL has yielded a comparatively higher 2.18% annualized return.
VGLT
- 1D
- -0.40%
- 1M
- 0.71%
- YTD
- -0.41%
- 6M
- -1.68%
- 1Y
- 5.25%
- 3Y*
- -0.72%
- 5Y*
- -5.30%
- 10Y*
- -1.10%
BIL
- 1D
- 0.02%
- 1M
- 0.28%
- YTD
- 1.49%
- 6M
- 1.77%
- 1Y
- 3.87%
- 3Y*
- 4.64%
- 5Y*
- 3.41%
- 10Y*
- 2.18%
VGLT vs. BIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VGLT Vanguard Long-Term Treasury ETF | -0.41% | 5.35% | -6.28% | 3.27% | -29.34% | -4.98% | 17.57% | 14.30% | -1.54% | 8.64% |
BIL SPDR Bloomberg 1-3 Month T-Bill ETF | 1.49% | 4.15% | 5.19% | 4.94% | 1.40% | -0.10% | 0.40% | 2.03% | 1.74% | 0.69% |
Correlation
The correlation between VGLT and BIL is -0.21, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.21 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.08 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.01 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.00 |
Correlation (All Time) Calculated using the full available price history since Nov 25, 2009 | 0.01 |
The correlation between VGLT and BIL shifts across timeframes, from -0.21 (1 year) to 0.01 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
VGLT vs. BIL — Risk / Return Rank
VGLT
BIL
VGLT vs. BIL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Long-Term Treasury ETF (VGLT) and SPDR Bloomberg 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.
| VGLT | BIL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -19.11 | ||
| Sortino ratioReturn per unit of downside risk | -173.24 | ||
| Omega ratioGain probability vs. loss probability | 1.10 | 87.91 | -86.80 |
| Calmar ratioReturn relative to maximum drawdown | 0.75 | 355.35 | -354.60 |
| Martin ratioReturn relative to average drawdown | 1.96 | 2,817.77 | -2,815.81 |
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
| VGLT | BIL | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.59 | 19.71 | -19.11 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.37 | 13.16 | -13.52 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.08 | 8.52 | -8.60 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.19 | 2.78 | -2.59 |
Drawdowns
VGLT vs. BIL - Drawdown Comparison
The maximum VGLT drawdown since its inception was -46.18%, which is greater than BIL's maximum drawdown of -0.78%. Use the drawdown chart below to compare losses from any high point for VGLT and BIL.
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Drawdown Indicators
| VGLT | BIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.18% | -0.78% | -45.40% |
Max Drawdown (1Y)Largest decline over 1 year | -7.01% | -0.01% | -7.00% |
Max Drawdown (3Y)Largest decline over 3 years | -17.68% | -0.01% | -17.67% |
Max Drawdown (5Y)Largest decline over 5 years | -40.98% | -0.10% | -40.88% |
Max Drawdown (10Y)Largest decline over 10 years | -46.18% | -0.21% | -45.97% |
Current DrawdownCurrent decline from peak | -36.83% | 0.00% | -36.83% |
Average DrawdownAverage peak-to-trough decline | -15.06% | -0.26% | -14.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.68% | 0.00% | +2.68% |
Volatility
VGLT vs. BIL - Volatility Comparison
Vanguard Long-Term Treasury ETF (VGLT) has a higher volatility of 2.59% compared to SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) at 0.05%. This indicates that VGLT'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
| VGLT | BIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.59% | 0.05% | +2.54% |
Volatility (6M)Calculated over the trailing 6-month period | 5.94% | 0.13% | +5.81% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.88% | 0.20% | +8.68% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.58% | 0.26% | +14.32% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.81% | 0.26% | +13.55% |
VGLT vs. BIL - Expense Ratio Comparison
VGLT 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%.
Dividends
VGLT vs. BIL - Dividend Comparison
VGLT's dividend yield for the trailing twelve months is around 4.61%, more than BIL's 3.86% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BIL SPDR Bloomberg 1-3 Month T-Bill ETF | 3.86% | 4.13% | 5.03% | 4.92% | 1.35% | 0.00% | 0.30% | 2.05% | 1.66% | 0.68% | 0.07% | 0.00% |
VGLT Vanguard Long-Term Treasury ETF | 4.61% | 4.44% | 4.33% | 3.33% | 2.84% | 1.82% | 2.15% | 2.46% | 2.71% | 2.55% | 2.69% | 3.21% |
Frequently Asked Questions
VGLT and BIL have a correlation of -0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VGLT has higher volatility (2.59%) compared to BIL (0.05%). In terms of maximum drawdown, VGLT dropped -46.18% vs BIL's -0.78%.
On 10-year performance, BIL leads with 2.18% vs -1.10% for VGLT. On fees, VGLT is cheaper at 0.03% per year. On volatility, BIL has been the lower-risk option at 0.05%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, BIL has performed better with a 2.18% return vs -1.10%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VGLT is cheaper with a 0.03% expense ratio, compared with 0.14% for BIL.
VGLT has the higher dividend yield at 4.61%, compared with 3.86% for BIL.
VGLT tracks Bloomberg U.S. Long Treasury Index, while BIL tracks Bloomberg 1-3 Month U.S. Treasury Bill Index. They also come from different issuers: Vanguard and State Street. Their fees differ too: 0.03% for VGLT and 0.14% for BIL.
BIL currently has the higher Sharpe Ratio (19.71 vs 0.59), 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.
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