VMBS vs. EVMO

Last updated Apr 2, 2026

Compare and contrast key facts about Vanguard Mortgage-Backed Securities ETF (VMBS) and Eaton Vance Mortgage Opportunities ETF (EVMO).

VMBS and EVMO 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. EVMO is an actively managed fund by Eaton Vance. It was launched on Aug 4, 2025.

Performance

VMBS vs. EVMO - Performance Comparison

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

VMBS vs. EVMO - Yearly Performance Comparison

	2026 (YTD)	2025
VMBS Vanguard Mortgage-Backed Securities ETF	0.50%	3.37%
EVMO Eaton Vance Mortgage Opportunities ETF	0.38%	3.33%

Returns By Period

In the year-to-date period, VMBS achieves a 0.50% return, which is significantly higher than EVMO's 0.38% return.

VMBS

• 1D: 0.09%
• 1M: -0.94%
• YTD: 0.50%
• 6M: 1.82%
• 1Y: 5.44%
• 3Y*: 4.32%
• 5Y*: 0.51%
• 10Y*: 1.41%

EVMO

• 1D: 0.00%
• 1M: -1.11%
• YTD: 0.38%
• 6M: 2.08%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

VMBS vs. EVMO - Expense Ratio Comparison

VMBS has a 0.04% expense ratio, which is lower than EVMO's 0.45% expense ratio.

EVMO

Eaton Vance Mortgage Opportunities ETF

VMBS

Vanguard Mortgage-Backed Securities ETF

Return for Risk

VMBS vs. EVMO — Risk / Return Rank

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

VMBS

VMBS Risk / Return Rank: 60
VMBS Sharpe Ratio Rank: 60
VMBS Sortino Ratio Rank: 59
VMBS Omega Ratio Rank: 51
VMBS Calmar Ratio Rank: 73
VMBS Martin Ratio Rank: 59

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

VMBS vs. EVMO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Mortgage-Backed Securities ETF (VMBS) and Eaton Vance Mortgage Opportunities ETF (EVMO). 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	EVMO	Difference
Sharpe ratio Return per unit of total volatility	1.10	—	—
Sortino ratio Return per unit of downside risk	1.57	—	—
Omega ratio Gain probability vs. loss probability	1.20	—	—
Calmar ratio Return relative to maximum drawdown	1.96	—	—
Martin ratio Return relative to average drawdown	6.10	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	VMBS	EVMO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.10	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.08	—	—
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	2.06	-1.59

Correlation

The correlation between VMBS and EVMO is 0.44, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

VMBS vs. EVMO - Dividend Comparison

VMBS's dividend yield for the trailing twelve months is around 4.24%, more than EVMO's 3.17% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VMBS Vanguard Mortgage-Backed Securities ETF	4.24%	4.20%	3.94%	3.31%	2.35%	1.02%	2.01%	2.77%	2.72%	2.16%	2.10%	2.12%
EVMO Eaton Vance Mortgage Opportunities ETF	3.17%	1.95%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

VMBS vs. EVMO - Drawdown Comparison

The maximum VMBS drawdown since its inception was -17.47%, which is greater than EVMO's maximum drawdown of -1.89%. Use the drawdown chart below to compare losses from any high point for VMBS and EVMO.

Drawdown Indicators

	VMBS	EVMO	Difference
Max Drawdown Largest peak-to-trough decline	-17.47%	-1.89%	-15.58%
Max Drawdown (1Y) Largest decline over 1 year	-3.00%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-17.12%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-17.47%	—	—
Current Drawdown Current decline from peak	-1.48%	-1.26%	-0.22%
Average Drawdown Average peak-to-trough decline	-2.51%	-0.25%	-2.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.96%	—	—

Volatility

Volatility by Period

	VMBS	EVMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.90%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.89%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	5.00%	2.78%	+2.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.71%	2.78%	+3.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.37%	2.78%	+2.59%