MBBB vs. VMBS
MBBB (VanEck Moody's Analytics BBB Corporate Bond ETF) and VMBS (Vanguard Mortgage-Backed Securities ETF) are both exchange-traded funds - MBBB is a Corporate Bonds fund tracking the MVIS Moody's Analytics US BBB Corporate Bond Index, while VMBS is a Mortgage Backed Securities fund tracking the Bloomberg U.S. MBS Float Adjusted Index. Both are passively managed. Over the past 5 years, MBBB returned 0.52%/yr vs 0.40%/yr for VMBS. Their correlation of 0.84 means they have usually moved in the same direction. MBBB charges 0.25%/yr vs 0.04%/yr for VMBS.
Performance
MBBB vs. VMBS - Performance Comparison
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Returns By Period
In the year-to-date period, MBBB achieves a -0.03% return, which is significantly lower than VMBS's 0.66% return.
MBBB
- 1D
- 0.39%
- 1M
- -0.87%
- 6M
- -0.47%
- YTD
- -0.03%
- 1Y
- 2.19%
- 3Y*
- 5.82%
- 5Y*
- 0.52%
- 10Y*
- —
- ALL TIME*
- 1.05%
VMBS
- 1D
- 0.50%
- 1M
- -0.41%
- 6M
- 0.42%
- YTD
- 0.66%
- 1Y
- 4.06%
- 3Y*
- 4.89%
- 5Y*
- 0.40%
- 10Y*
- 1.30%
- ALL TIME*
- 2.08%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $61.36K | $38.28K | $34.57K | |
| $69.09M | $64.32M | $61.73M |
MBBB vs. VMBS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
MBBB VanEck Moody's Analytics BBB Corporate Bond ETF | -0.03% | 7.64% | 3.68% | 9.75% | -15.04% | 0.30% | 1.66% |
VMBS Vanguard Mortgage-Backed Securities ETF | 0.66% | 8.36% | 1.70% | 5.34% | -11.90% | -1.28% | 0.31% |
Correlation
The correlation between MBBB and VMBS is 0.85, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.85 |
Correlation (3Y) Balances recent behavior with more history. | 0.89 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.86 |
Correlation (All Time) Calculated using the full available price history since Dec 2, 2020 | 0.84 |
The correlation between MBBB and VMBS has been stable across timeframes, ranging from 0.84 to 0.89 - a consistent structural relationship.
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Return for Risk
MBBB vs. VMBS — Risk / Return Rank
MBBB
VMBS
MBBB vs. VMBS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for VanEck Moody's Analytics BBB Corporate Bond ETF (MBBB) and Vanguard Mortgage-Backed Securities ETF (VMBS). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| MBBB | VMBS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.43 | ||
| Sortino ratioReturn per unit of downside risk | -0.62 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.17 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 0.74 | 1.52 | -0.78 |
| Martin ratioReturn relative to average drawdown | 2.07 | 4.28 | -2.20 |
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Drawdowns
MBBB vs. VMBS - Drawdown Comparison
The maximum MBBB drawdown since its inception was -21.73%, which is greater than VMBS's maximum drawdown of -17.47%. Use the drawdown chart below to compare losses from any high point for MBBB and VMBS.
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Drawdown Indicators
| MBBB | VMBS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -21.73% | -17.47% | -4.26% |
Max Drawdown (1Y)Largest decline over 1 year | -2.98% | -2.68% | -0.30% |
Max Drawdown (3Y)Largest decline over 3 years | -4.68% | -6.41% | +1.73% |
Max Drawdown (5Y)Largest decline over 5 years | -21.73% | -16.99% | -4.74% |
Max Drawdown (10Y)Largest decline over 10 years | — | -17.47% | — |
Current DrawdownCurrent decline from peak | -1.42% | -1.32% | -0.10% |
Average DrawdownAverage peak-to-trough decline | -6.66% | -2.48% | -4.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.06% | 0.95% | +0.11% |
Volatility
MBBB vs. VMBS - Volatility Comparison
The current volatility for VanEck Moody's Analytics BBB Corporate Bond ETF (MBBB) is 1.23%, while Vanguard Mortgage-Backed Securities ETF (VMBS) has a volatility of 1.33%. This indicates that MBBB experiences smaller price fluctuations and is considered to be less risky than VMBS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MBBB | VMBS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.23% | 1.33% | -0.10% |
Volatility (6M)Calculated over the trailing 6-month period | 3.38% | 3.47% | -0.09% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.12% | 4.22% | -0.10% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.38% | 6.81% | -0.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.18% | 5.42% | +0.76% |
MBBB vs. VMBS - Expense Ratio Comparison
MBBB has a 0.25% expense ratio, which is higher than VMBS's 0.04% 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%.
Dividends
MBBB vs. VMBS - Dividend Comparison
MBBB's dividend yield for the trailing twelve months is around 5.15%, more than VMBS's 4.23% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MBBB VanEck Moody's Analytics BBB Corporate Bond ETF | 5.15% | 4.99% | 4.93% | 4.51% | 3.22% | 2.29% | 0.19% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
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% |
Frequently Asked Questions
MBBB and VMBS have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VMBS has higher volatility (1.33%) compared to MBBB (1.23%). In terms of maximum drawdown, MBBB dropped -21.73% vs VMBS's -17.47%.
On 5-year performance, MBBB leads with 0.52% vs 0.40% for VMBS. On fees, VMBS is cheaper at 0.04% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, MBBB has performed better with a 0.52% return vs 0.40%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VMBS is cheaper with a 0.04% expense ratio, compared with 0.25% for MBBB.
MBBB has the higher dividend yield at 5.15%, compared with 4.23% for VMBS.
MBBB is categorized as Corporate Bonds, while VMBS is Mortgage Backed Securities. MBBB tracks MVIS Moody's Analytics US BBB Corporate Bond Index, while VMBS tracks Bloomberg U.S. MBS Float Adjusted Index. They also come from different issuers: VanEck and Vanguard. Their fees differ too: 0.25% for MBBB and 0.04% for VMBS.
VMBS currently has the higher Sharpe Ratio (0.97 vs 0.53), 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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