VMBSX vs. VGLT
Compare and contrast key facts about Vanguard Mortgage-Backed Securities Index Fund Admiral Shares (VMBSX) and Vanguard Long-Term Treasury ETF (VGLT).
VMBSX is managed by Vanguard. It was launched on Dec 3, 2009. VGLT is a passively managed fund by Vanguard that tracks the performance of the Bloomberg U.S. Long Treasury Index. It was launched on Nov 19, 2009.
Performance
VMBSX vs. VGLT - Performance Comparison
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VMBSX vs. VGLT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VMBSX Vanguard Mortgage-Backed Securities Index Fund Admiral Shares | 0.20% | 8.43% | 1.76% | 4.99% | -11.56% | -1.35% | 3.74% | 11.47% | 0.87% | 2.32% |
VGLT Vanguard Long-Term Treasury ETF | -0.09% | 5.35% | -6.28% | 3.27% | -29.34% | -4.98% | 17.57% | 14.30% | -1.54% | 8.64% |
Returns By Period
In the year-to-date period, VMBSX achieves a 0.20% return, which is significantly higher than VGLT's -0.09% return. Over the past 10 years, VMBSX has outperformed VGLT with an annualized return of 1.86%, while VGLT has yielded a comparatively lower -0.86% annualized return.
VMBSX
- 1D
- 0.48%
- 1M
- -1.81%
- YTD
- 0.20%
- 6M
- 1.79%
- 1Y
- 5.42%
- 3Y*
- 4.25%
- 5Y*
- 0.48%
- 10Y*
- 1.86%
VGLT
- 1D
- -0.03%
- 1M
- -3.99%
- YTD
- -0.09%
- 6M
- -0.50%
- 1Y
- 0.42%
- 3Y*
- -1.57%
- 5Y*
- -4.88%
- 10Y*
- -0.86%
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VMBSX vs. VGLT - Expense Ratio Comparison
VMBSX has a 0.07% expense ratio, which is higher than VGLT'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%.
Return for Risk
VMBSX vs. VGLT — Risk / Return Rank
VMBSX
VGLT
VMBSX vs. VGLT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Mortgage-Backed Securities Index Fund Admiral Shares (VMBSX) and Vanguard Long-Term Treasury ETF (VGLT). 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.
| VMBSX | VGLT | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.31 | 0.04 | +1.27 |
Sortino ratioReturn per unit of downside risk | 1.87 | 0.12 | +1.75 |
Omega ratioGain probability vs. loss probability | 1.24 | 1.02 | +0.22 |
Calmar ratioReturn relative to maximum drawdown | 2.39 | 0.14 | +2.25 |
Martin ratioReturn relative to average drawdown | 6.79 | 0.31 | +6.48 |
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
| VMBSX | VGLT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.31 | 0.04 | +1.27 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.08 | -0.34 | +0.41 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.39 | -0.06 | +0.45 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.19 | +0.39 |
Correlation
The correlation between VMBSX and VGLT is 0.74, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
VMBSX vs. VGLT - Dividend Comparison
VMBSX's dividend yield for the trailing twelve months is around 3.87%, less than VGLT's 4.49% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VMBSX Vanguard Mortgage-Backed Securities Index Fund Admiral Shares | 3.87% | 4.18% | 4.24% | 3.28% | 2.31% | 0.99% | 2.00% | 7.48% | 2.72% | 2.16% | 1.98% | 2.01% |
VGLT Vanguard Long-Term Treasury ETF | 4.49% | 4.44% | 4.33% | 3.33% | 2.84% | 1.82% | 2.15% | 2.46% | 2.71% | 2.55% | 2.69% | 3.21% |
Drawdowns
VMBSX vs. VGLT - Drawdown Comparison
The maximum VMBSX drawdown since its inception was -17.44%, smaller than the maximum VGLT drawdown of -46.18%. Use the drawdown chart below to compare losses from any high point for VMBSX and VGLT.
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Drawdown Indicators
| VMBSX | VGLT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.44% | -46.18% | +28.74% |
Max Drawdown (1Y)Largest decline over 1 year | -2.59% | -8.48% | +5.89% |
Max Drawdown (5Y)Largest decline over 5 years | -17.12% | -40.98% | +23.86% |
Max Drawdown (10Y)Largest decline over 10 years | -17.44% | -46.18% | +28.74% |
Current DrawdownCurrent decline from peak | -1.81% | -36.63% | +34.82% |
Average DrawdownAverage peak-to-trough decline | -2.49% | -14.83% | +12.34% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.91% | 3.85% | -2.94% |
Volatility
VMBSX vs. VGLT - Volatility Comparison
The current volatility for Vanguard Mortgage-Backed Securities Index Fund Admiral Shares (VMBSX) is 1.68%, while Vanguard Long-Term Treasury ETF (VGLT) has a volatility of 3.45%. This indicates that VMBSX experiences smaller price fluctuations and is considered to be less risky than VGLT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VMBSX | VGLT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.68% | 3.45% | -1.77% |
Volatility (6M)Calculated over the trailing 6-month period | 2.50% | 6.00% | -3.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.33% | 10.35% | -6.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.36% | 14.60% | -8.24% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.83% | 13.84% | -9.01% |