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MBB vs. EVMO
Performance
Return for Risk
Dividends
Drawdowns
Volatility

MBB vs. EVMO

Last updated Apr 1, 2026

Compare and contrast key facts about iShares MBS Bond ETF (MBB) and Eaton Vance Mortgage Opportunities ETF (EVMO).

MBB and EVMO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MBB is a passively managed fund by iShares that tracks the performance of the Barclays Capital U.S. MBS Index. It was launched on Mar 16, 2007. EVMO is an actively managed fund by Eaton Vance. It was launched on Aug 4, 2025.

Performance

MBB vs. EVMO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MBS Bond ETF (MBB) and Eaton Vance Mortgage Opportunities ETF (EVMO). The values are adjusted to include any dividend payments, if applicable.

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MBB vs. EVMO - Yearly Performance Comparison

2026 (YTD)2025
MBB
iShares MBS Bond ETF		0.41%3.38%
EVMO
Eaton Vance Mortgage Opportunities ETF		0.38%3.33%

Returns By Period

In the year-to-date period, MBB achieves a 0.41% return, which is significantly higher than EVMO's 0.38% return.

MBB

1D
0.24%
1M
-1.69%
YTD
0.41%
6M
1.92%
1Y
5.63%
3Y*
4.09%
5Y*
0.40%
10Y*
1.34%

EVMO

1D
0.26%
1M
-1.26%
YTD
0.38%
6M
1.98%
1Y
—
3Y*
—
5Y*
—
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

iShares MBS Bond ETF

Eaton Vance Mortgage Opportunities ETF

Often compared with MBB:
MBB vs. IEFMBB vs. MBSDMBB vs. USMVMBB vs. CMFMBB vs. FLIAMBB vs. AGGMBB vs. NUBD
Often compared with EVMO:
EVMO vs. CGDVEVMO vs. TLTEVMO vs. VCSHEVMO vs. VGSHEVMO vs. EVIMEVMO vs. EVSMEVMO vs. EVSB

MBB vs. EVMO - Expense Ratio Comparison

MBB has a 0.06% expense ratio, which is lower than EVMO's 0.45% expense ratio.

EVMO
Eaton Vance Mortgage Opportunities ETF
MBB
iShares MBS Bond ETF

Return for Risk

MBB vs. EVMO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
MBB
MBB Risk / Return Rank: 6767
Overall Rank
MBB Sharpe Ratio Rank: 6767
Sharpe Ratio Rank
MBB Sortino Ratio Rank: 6767
Sortino Ratio Rank
MBB Omega Ratio Rank: 5757
Omega Ratio Rank
MBB Calmar Ratio Rank: 8181
Calmar Ratio Rank
MBB Martin Ratio Rank: 6363
Martin Ratio Rank
EVMO
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.

MBB vs. EVMO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MBS Bond ETF (MBB) 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.

MBBEVMODifference

Sharpe ratio

Return per unit of total volatility

1.14

—

—

Sortino ratio

Return per unit of downside risk

1.63

—

—

Omega ratio

Gain probability vs. loss probability

1.20

—

—

Calmar ratio

Return relative to maximum drawdown

2.18

—

—

Martin ratio

Return relative to average drawdown

6.00

—

—

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MBB vs. EVMO - Sharpe Ratio Comparison

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Sharpe Ratios by Period

MBBEVMODifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.14

—

—

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.06

—

—

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.25

—

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.59

2.06

-1.47

Correlation

The correlation between MBB and EVMO is 0.49, 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

MBB vs. EVMO - Dividend Comparison

MBB's dividend yield for the trailing twelve months is around 4.22%, more than EVMO's 3.17% yield.

TTM20252024202320222021202020192018201720162015
MBB
iShares MBS Bond ETF		4.22%4.21%3.94%3.40%2.31%1.05%2.10%2.77%2.64%2.23%2.58%2.66%
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

MBB vs. EVMO - Drawdown Comparison

The maximum MBB drawdown since its inception was -17.64%, which is greater than EVMO's maximum drawdown of -1.89%. Use the drawdown chart below to compare losses from any high point for MBB and EVMO.

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Drawdown Indicators

MBBEVMODifference

Max Drawdown

Largest peak-to-trough decline

-17.64%

-1.89%

-15.75%

Max Drawdown (1Y)

Largest decline over 1 year

-2.64%

—

—

Max Drawdown (5Y)

Largest decline over 5 years

-17.19%

—

—

Max Drawdown (10Y)

Largest decline over 10 years

-17.64%

—

—

Current Drawdown

Current decline from peak

-1.69%

-1.26%

-0.43%

Average Drawdown

Average peak-to-trough decline

-2.36%

-0.25%

-2.11%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.96%

—

—

Volatility

MBB vs. EVMO - Volatility Comparison

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Volatility by Period

MBBEVMODifference

Volatility (1M)

Calculated over the trailing 1-month period

1.98%

—

—

Volatility (6M)

Calculated over the trailing 6-month period

3.00%

—

—

Volatility (1Y)

Calculated over the trailing 1-year period

4.97%

2.79%

+2.18%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

6.77%

2.79%

+3.98%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

5.27%

2.79%

+2.48%