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VMBS vs. BNDW
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between VMBS and BNDW is 0.07, 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.


Performance

VMBS vs. BNDW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Mortgage-Backed Securities ETF (VMBS) and Vanguard Total World Bond ETF (BNDW). The values are adjusted to include any dividend payments, if applicable.

2.00%4.00%6.00%8.00%10.00%12.00%December2025FebruaryMarchAprilMay
6.38%
10.96%
VMBS
BNDW

Key characteristics

Sharpe Ratio

VMBS:

1.01

BNDW:

1.24

Sortino Ratio

VMBS:

1.53

BNDW:

1.80

Omega Ratio

VMBS:

1.18

BNDW:

1.22

Calmar Ratio

VMBS:

0.56

BNDW:

0.50

Martin Ratio

VMBS:

3.12

BNDW:

4.49

Ulcer Index

VMBS:

1.98%

BNDW:

1.16%

Daily Std Dev

VMBS:

5.95%

BNDW:

4.26%

Max Drawdown

VMBS:

-17.52%

BNDW:

-17.22%

Current Drawdown

VMBS:

-4.82%

BNDW:

-4.77%

Returns By Period

In the year-to-date period, VMBS achieves a 2.38% return, which is significantly higher than BNDW's 1.71% return.


VMBS

YTD

2.38%

1M

0.36%

6M

1.78%

1Y

5.97%

5Y*

-0.95%

10Y*

1.01%

BNDW

YTD

1.71%

1M

0.66%

6M

1.44%

1Y

5.25%

5Y*

-0.34%

10Y*

N/A

*Annualized

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VMBS vs. BNDW - Expense Ratio Comparison

VMBS has a 0.04% expense ratio, which is lower than BNDW's 0.06% 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%.


Risk-Adjusted Performance

VMBS vs. BNDW — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VMBS
The Risk-Adjusted Performance Rank of VMBS is 7777
Overall Rank
The Sharpe Ratio Rank of VMBS is 8282
Sharpe Ratio Rank
The Sortino Ratio Rank of VMBS is 8383
Sortino Ratio Rank
The Omega Ratio Rank of VMBS is 7979
Omega Ratio Rank
The Calmar Ratio Rank of VMBS is 6666
Calmar Ratio Rank
The Martin Ratio Rank of VMBS is 7676
Martin Ratio Rank

BNDW
The Risk-Adjusted Performance Rank of BNDW is 8181
Overall Rank
The Sharpe Ratio Rank of BNDW is 8787
Sharpe Ratio Rank
The Sortino Ratio Rank of BNDW is 8888
Sortino Ratio Rank
The Omega Ratio Rank of BNDW is 8484
Omega Ratio Rank
The Calmar Ratio Rank of BNDW is 6262
Calmar Ratio Rank
The Martin Ratio Rank of BNDW is 8383
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

VMBS vs. BNDW - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Mortgage-Backed Securities ETF (VMBS) and Vanguard Total World Bond ETF (BNDW). 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.


The current VMBS Sharpe Ratio is 1.01, which is comparable to the BNDW Sharpe Ratio of 1.24. The chart below compares the historical Sharpe Ratios of VMBS and BNDW, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.000.501.001.50December2025FebruaryMarchAprilMay
1.01
1.24
VMBS
BNDW

Dividends

VMBS vs. BNDW - Dividend Comparison

VMBS's dividend yield for the trailing twelve months is around 4.12%, more than BNDW's 4.00% yield.


TTM20242023202220212020201920182017201620152014
VMBS
Vanguard Mortgage-Backed Securities ETF
4.12%3.94%3.31%2.35%1.02%1.81%2.77%2.72%2.16%2.10%2.12%1.90%
BNDW
Vanguard Total World Bond ETF
4.00%3.90%3.73%2.02%2.58%1.56%3.05%1.66%0.00%0.00%0.00%0.00%

Drawdowns

VMBS vs. BNDW - Drawdown Comparison

The maximum VMBS drawdown since its inception was -17.52%, roughly equal to the maximum BNDW drawdown of -17.22%. Use the drawdown chart below to compare losses from any high point for VMBS and BNDW. For additional features, visit the drawdowns tool.


-8.00%-7.00%-6.00%-5.00%-4.00%-3.00%December2025FebruaryMarchAprilMay
-4.82%
-4.77%
VMBS
BNDW

Volatility

VMBS vs. BNDW - Volatility Comparison

Vanguard Mortgage-Backed Securities ETF (VMBS) has a higher volatility of 2.26% compared to Vanguard Total World Bond ETF (BNDW) at 1.18%. This indicates that VMBS's price experiences larger fluctuations and is considered to be riskier than BNDW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


1.00%1.50%2.00%2.50%December2025FebruaryMarchAprilMay
2.26%
1.18%
VMBS
BNDW