VMBS vs. MBBB
Compare and contrast key facts about Vanguard Mortgage-Backed Securities ETF (VMBS) and VanEck Moody's Analytics BBB Corporate Bond ETF (MBBB).
VMBS and MBBB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. VMBS is a passively managed fund by Vanguard that tracks the performance of the Barclays Capital U.S. MBS Index. It was launched on Nov 19, 2009. MBBB is a passively managed fund by VanEck that tracks the performance of the MVIS Moody's Analytics US BBB Corporate Bond Index. It was launched on Dec 1, 2020. Both VMBS and MBBB are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
VMBS vs. MBBB - Performance Comparison
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VMBS vs. MBBB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
VMBS Vanguard Mortgage-Backed Securities ETF | 0.41% | 8.36% | 1.70% | 5.34% | -11.90% | -1.28% | 0.25% |
MBBB VanEck Moody's Analytics BBB Corporate Bond ETF | -0.48% | 7.64% | 3.68% | 9.75% | -15.04% | 0.30% | 1.51% |
Returns By Period
In the year-to-date period, VMBS achieves a 0.41% return, which is significantly higher than MBBB's -0.48% return.
VMBS
- 1D
- 0.21%
- 1M
- -1.57%
- YTD
- 0.41%
- 6M
- 2.06%
- 1Y
- 5.79%
- 3Y*
- 4.29%
- 5Y*
- 0.49%
- 10Y*
- 1.41%
MBBB
- 1D
- 0.65%
- 1M
- -1.86%
- YTD
- -0.48%
- 6M
- 0.00%
- 1Y
- 4.78%
- 3Y*
- 5.48%
- 5Y*
- 1.22%
- 10Y*
- —
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VMBS vs. MBBB - Expense Ratio Comparison
VMBS has a 0.04% expense ratio, which is lower than MBBB's 0.25% 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
VMBS vs. MBBB — Risk / Return Rank
VMBS
MBBB
VMBS vs. MBBB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Mortgage-Backed Securities ETF (VMBS) and VanEck Moody's Analytics BBB Corporate Bond ETF (MBBB). 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.
| VMBS | MBBB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.16 | 0.96 | +0.21 |
Sortino ratioReturn per unit of downside risk | 1.67 | 1.34 | +0.33 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.18 | +0.03 |
Calmar ratioReturn relative to maximum drawdown | 1.95 | 1.65 | +0.30 |
Martin ratioReturn relative to average drawdown | 6.10 | 5.38 | +0.72 |
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
| VMBS | MBBB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.16 | 0.96 | +0.21 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.07 | 0.19 | -0.12 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.26 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.46 | 0.16 | +0.30 |
Correlation
The correlation between VMBS and MBBB is 0.84, 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
VMBS vs. MBBB - Dividend Comparison
VMBS's dividend yield for the trailing twelve months is around 4.23%, less than MBBB's 4.99% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VMBS Vanguard Mortgage-Backed Securities ETF | 4.23% | 4.20% | 3.94% | 3.31% | 2.35% | 1.02% | 2.01% | 2.77% | 2.72% | 2.16% | 2.10% | 2.12% |
MBBB VanEck Moody's Analytics BBB Corporate Bond ETF | 4.99% | 4.99% | 4.93% | 4.51% | 3.22% | 2.29% | 0.19% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
VMBS vs. MBBB - Drawdown Comparison
The maximum VMBS drawdown since its inception was -17.47%, smaller than the maximum MBBB drawdown of -21.73%. Use the drawdown chart below to compare losses from any high point for VMBS and MBBB.
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Drawdown Indicators
| VMBS | MBBB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.47% | -21.73% | +4.26% |
Max Drawdown (1Y)Largest decline over 1 year | -3.00% | -2.98% | -0.02% |
Max Drawdown (5Y)Largest decline over 5 years | -17.12% | -21.73% | +4.61% |
Max Drawdown (10Y)Largest decline over 10 years | -17.47% | — | — |
Current DrawdownCurrent decline from peak | -1.57% | -1.86% | +0.29% |
Average DrawdownAverage peak-to-trough decline | -2.51% | -7.02% | +4.51% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.96% | 0.92% | +0.04% |
Volatility
VMBS vs. MBBB - Volatility Comparison
The current volatility for Vanguard Mortgage-Backed Securities ETF (VMBS) is 1.90%, while VanEck Moody's Analytics BBB Corporate Bond ETF (MBBB) has a volatility of 2.11%. This indicates that VMBS experiences smaller price fluctuations and is considered to be less risky than MBBB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VMBS | MBBB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.90% | 2.11% | -0.21% |
Volatility (6M)Calculated over the trailing 6-month period | 2.89% | 2.86% | +0.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.00% | 5.01% | -0.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.71% | 6.35% | +0.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.37% | 6.28% | -0.91% |