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MBB vs. SPY
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between MBB and SPY is -0.10. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.


-0.50.00.51.0-0.1

Performance

MBB vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MBS Bond ETF (MBB) and SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

-4.00%-2.00%0.00%2.00%4.00%6.00%8.00%10.00%SeptemberOctoberNovemberDecember2025February
-0.83%
7.41%
MBB
SPY

Key characteristics

Sharpe Ratio

MBB:

0.88

SPY:

1.75

Sortino Ratio

MBB:

1.29

SPY:

2.36

Omega Ratio

MBB:

1.15

SPY:

1.32

Calmar Ratio

MBB:

0.42

SPY:

2.66

Martin Ratio

MBB:

2.30

SPY:

11.01

Ulcer Index

MBB:

2.30%

SPY:

2.03%

Daily Std Dev

MBB:

6.00%

SPY:

12.77%

Max Drawdown

MBB:

-17.65%

SPY:

-55.19%

Current Drawdown

MBB:

-6.14%

SPY:

-2.12%

Returns By Period

In the year-to-date period, MBB achieves a 1.67% return, which is significantly lower than SPY's 2.36% return. Over the past 10 years, MBB has underperformed SPY with an annualized return of 0.89%, while SPY has yielded a comparatively higher 12.97% annualized return.


MBB

YTD

1.67%

1M

1.84%

6M

-0.83%

1Y

5.24%

5Y*

-0.66%

10Y*

0.89%

SPY

YTD

2.36%

1M

-1.61%

6M

7.41%

1Y

19.65%

5Y*

15.00%

10Y*

12.97%

*Annualized

Compare stocks, funds, or ETFs

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


MBB vs. SPY - Expense Ratio Comparison

MBB has a 0.06% expense ratio, which is lower than SPY's 0.09% 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%.


SPY
SPDR S&P 500 ETF
Expense ratio chart for SPY: current value at 0.09% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.09%
Expense ratio chart for MBB: current value at 0.06% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.06%

Risk-Adjusted Performance

MBB vs. SPY — Risk-Adjusted Performance Rank

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

MBB
The Risk-Adjusted Performance Rank of MBB is 3030
Overall Rank
The Sharpe Ratio Rank of MBB is 3535
Sharpe Ratio Rank
The Sortino Ratio Rank of MBB is 3434
Sortino Ratio Rank
The Omega Ratio Rank of MBB is 3232
Omega Ratio Rank
The Calmar Ratio Rank of MBB is 2222
Calmar Ratio Rank
The Martin Ratio Rank of MBB is 2727
Martin Ratio Rank

SPY
The Risk-Adjusted Performance Rank of SPY is 7777
Overall Rank
The Sharpe Ratio Rank of SPY is 7676
Sharpe Ratio Rank
The Sortino Ratio Rank of SPY is 7373
Sortino Ratio Rank
The Omega Ratio Rank of SPY is 7676
Omega Ratio Rank
The Calmar Ratio Rank of SPY is 7878
Calmar Ratio Rank
The Martin Ratio Rank of SPY is 8181
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.

MBB vs. SPY - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MBS Bond ETF (MBB) and SPDR S&P 500 ETF (SPY). 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.


Sharpe ratio
The chart of Sharpe ratio for MBB, currently valued at 0.88, compared to the broader market0.002.004.000.881.75
The chart of Sortino ratio for MBB, currently valued at 1.29, compared to the broader market0.005.0010.001.292.36
The chart of Omega ratio for MBB, currently valued at 1.15, compared to the broader market0.501.001.502.002.503.001.151.32
The chart of Calmar ratio for MBB, currently valued at 0.42, compared to the broader market0.005.0010.0015.0020.000.422.66
The chart of Martin ratio for MBB, currently valued at 2.30, compared to the broader market0.0020.0040.0060.0080.00100.002.3011.01
MBB
SPY

The current MBB Sharpe Ratio is 0.88, which is lower than the SPY Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of MBB and SPY, 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 Ratio0.001.002.003.004.00SeptemberOctoberNovemberDecember2025February
0.88
1.75
MBB
SPY

Dividends

MBB vs. SPY - Dividend Comparison

MBB's dividend yield for the trailing twelve months is around 3.93%, more than SPY's 1.18% yield.


TTM20242023202220212020201920182017201620152014
MBB
iShares MBS Bond ETF
3.93%3.94%3.40%2.31%1.05%2.10%2.77%2.63%2.23%2.58%2.66%1.72%
SPY
SPDR S&P 500 ETF
1.18%1.21%1.40%1.65%1.20%1.52%1.75%2.04%1.80%2.03%2.06%1.87%

Drawdowns

MBB vs. SPY - Drawdown Comparison

The maximum MBB drawdown since its inception was -17.65%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for MBB and SPY. For additional features, visit the drawdowns tool.


-8.00%-6.00%-4.00%-2.00%0.00%SeptemberOctoberNovemberDecember2025February
-6.14%
-2.12%
MBB
SPY

Volatility

MBB vs. SPY - Volatility Comparison

The current volatility for iShares MBS Bond ETF (MBB) is 1.57%, while SPDR S&P 500 ETF (SPY) has a volatility of 3.38%. This indicates that MBB experiences smaller price fluctuations and is considered to be less risky than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


1.00%2.00%3.00%4.00%5.00%6.00%SeptemberOctoberNovemberDecember2025February
1.57%
3.38%
MBB
SPY
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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