MBB vs. OWNS
MBB (iShares MBS Bond ETF) and OWNS (CCM Affordable Housing MBS ETF) are both Mortgage Backed Securities funds. MBB is passively managed, while OWNS is actively managed. Over the past year, MBB returned 6.76% vs 7.04% for OWNS. Their correlation of 0.88 suggests significant overlap in exposure. MBB charges 0.06%/yr vs 0.30%/yr for OWNS.
Performance
MBB vs. OWNS - Performance Comparison
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Returns By Period
In the year-to-date period, MBB achieves a 0.58% return, which is significantly higher than OWNS's 0.48% return.
MBB
- 1D
- -0.23%
- 1M
- 0.31%
- YTD
- 0.58%
- 6M
- 0.71%
- 1Y
- 6.76%
- 3Y*
- 4.36%
- 5Y*
- 0.34%
- 10Y*
- 1.30%
OWNS
- 1D
- 0.00%
- 1M
- 0.32%
- YTD
- 0.48%
- 6M
- 0.61%
- 1Y
- 7.04%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MBB vs. OWNS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
MBB iShares MBS Bond ETF | 0.58% | 8.38% | 3.44% |
OWNS CCM Affordable Housing MBS ETF | 0.48% | 7.75% | 3.84% |
Correlation
The correlation between MBB and OWNS is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.91 |
Correlation (All Time) Calculated using the full available price history since Mar 19, 2024 | 0.88 |
The correlation between MBB and OWNS has been stable across timeframes, ranging from 0.88 to 0.91 - a consistent structural relationship.
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Return for Risk
MBB vs. OWNS — Risk / Return Rank
MBB
OWNS
MBB vs. OWNS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares MBS Bond ETF (MBB) and CCM Affordable Housing MBS ETF (OWNS). 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.
| MBB | OWNS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.05 | ||
| Sortino ratioReturn per unit of downside risk | -0.09 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.29 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | 2.31 | 2.33 | -0.03 |
| Martin ratioReturn relative to average drawdown | 7.64 | 6.81 | +0.83 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MBB | OWNS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.51 | 1.56 | -0.05 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.05 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.25 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 1.01 | -0.43 |
Drawdowns
MBB vs. OWNS - Drawdown Comparison
The maximum MBB drawdown since its inception was -17.64%, which is greater than OWNS's maximum drawdown of -5.39%. Use the drawdown chart below to compare losses from any high point for MBB and OWNS.
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Drawdown Indicators
| MBB | OWNS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.64% | -5.39% | -12.25% |
Max Drawdown (1Y)Largest decline over 1 year | -2.94% | -3.03% | +0.09% |
Max Drawdown (3Y)Largest decline over 3 years | -7.68% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -17.19% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -17.64% | — | — |
Current DrawdownCurrent decline from peak | -1.52% | -1.55% | +0.03% |
Average DrawdownAverage peak-to-trough decline | -2.35% | -1.55% | -0.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.89% | 1.04% | -0.15% |
Volatility
MBB vs. OWNS - Volatility Comparison
iShares MBS Bond ETF (MBB) has a higher volatility of 1.59% compared to CCM Affordable Housing MBS ETF (OWNS) at 1.46%. This indicates that MBB's price experiences larger fluctuations and is considered to be riskier than OWNS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MBB | OWNS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.59% | 1.46% | +0.13% |
Volatility (6M)Calculated over the trailing 6-month period | 3.23% | 3.06% | +0.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.51% | 4.55% | -0.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.81% | 5.39% | +1.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.31% | 5.39% | -0.08% |
MBB vs. OWNS - Expense Ratio Comparison
MBB has a 0.06% expense ratio, which is lower than OWNS's 0.30% expense ratio.
Dividends
MBB vs. OWNS - Dividend Comparison
MBB's dividend yield for the trailing twelve months is around 4.28%, which matches OWNS's 4.31% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MBB iShares MBS Bond ETF | 4.28% | 4.21% | 3.94% | 3.40% | 2.31% | 1.05% | 2.10% | 2.77% | 2.64% | 2.23% | 2.58% | 2.66% |
OWNS CCM Affordable Housing MBS ETF | 4.31% | 4.12% | 3.75% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.91, MBB and OWNS move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
MBB has higher volatility (1.59%) compared to OWNS (1.46%). In terms of maximum drawdown, MBB dropped -17.64% vs OWNS's -5.39%.
On 1-year performance, OWNS leads with 7.04% vs 6.76% for MBB. On fees, MBB is cheaper at 0.06% per year. On volatility, OWNS has been the lower-risk option at 1.46%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, OWNS has performed better with a 7.04% return vs 6.76%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MBB is cheaper with a 0.06% expense ratio, compared with 0.30% for OWNS.
OWNS has the higher dividend yield at 4.31%, compared with 4.28% for MBB.
They also come from different issuers: iShares and CCM. Their fees differ too: 0.06% for MBB and 0.30% for OWNS.
OWNS currently has the higher Sharpe Ratio (1.56 vs 1.51), 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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