MBSX vs. CMDY
MBSX (Regan Fixed Rate MBS ETF) and CMDY (iShares Bloomberg Roll Select Commodity Strategy ETF) are both exchange-traded funds - MBSX is a Mortgage Backed Securities fund actively managed by Regan, while CMDY is a Commodities fund tracking the Bloomberg Roll Select Commodity Total Return Index. MBSX is actively managed, while CMDY is passively managed. Over the past year, MBSX returned 9.78% vs 21.95% for CMDY. At a correlation of -0.12, they often move in opposite directions. MBSX charges 0.40%/yr vs 0.28%/yr for CMDY.
Performance
MBSX vs. CMDY - Performance Comparison
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Returns By Period
In the year-to-date period, MBSX achieves a 5.41% return, which is significantly lower than CMDY's 14.22% return.
MBSX
- 1D
- 0.00%
- 1M
- 5.91%
- YTD
- 5.41%
- 6M
- 5.11%
- 1Y
- 9.78%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
CMDY
- 1D
- -1.43%
- 1M
- -9.33%
- YTD
- 14.22%
- 6M
- 12.70%
- 1Y
- 21.95%
- 3Y*
- 11.39%
- 5Y*
- 9.18%
- 10Y*
- —
MBSX vs. CMDY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
MBSX Regan Fixed Rate MBS ETF | 5.41% | 8.47% |
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 14.22% | 12.11% |
Correlation
The correlation between MBSX and CMDY is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.09 |
Correlation (All Time) Calculated using the full available price history since May 1, 2025 | -0.12 |
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Return for Risk
MBSX vs. CMDY — Risk / Return Rank
MBSX
CMDY
MBSX vs. CMDY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Regan Fixed Rate MBS ETF (MBSX) and iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| MBSX | CMDY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.18 | ||
| Sortino ratioReturn per unit of downside risk | -1.18 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 1.25 | -0.13 |
| Calmar ratioReturn relative to maximum drawdown | 0.36 | 1.75 | -1.40 |
| Martin ratioReturn relative to average drawdown | 1.15 | 7.16 | -6.01 |
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Drawdowns
MBSX vs. CMDY - Drawdown Comparison
The maximum MBSX drawdown since its inception was -27.57%, smaller than the maximum CMDY drawdown of -31.19%. Use the drawdown chart below to compare losses from any high point for MBSX and CMDY.
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Drawdown Indicators
| MBSX | CMDY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -27.57% | -31.19% | +3.62% |
Max Drawdown (1Y)Largest decline over 1 year | -27.57% | -12.56% | -15.01% |
Max Drawdown (3Y)Largest decline over 3 years | — | -12.56% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -26.56% | — |
Current DrawdownCurrent decline from peak | -21.16% | -12.56% | -8.60% |
Average DrawdownAverage peak-to-trough decline | -6.78% | -13.11% | +6.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.50% | 3.09% | +5.41% |
Volatility
MBSX vs. CMDY - Volatility Comparison
Regan Fixed Rate MBS ETF (MBSX) has a higher volatility of 41.28% compared to iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) at 3.63%. This indicates that MBSX's price experiences larger fluctuations and is considered to be riskier than CMDY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MBSX | CMDY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 41.28% | 3.63% | +37.65% |
Volatility (6M)Calculated over the trailing 6-month period | 52.02% | 14.45% | +37.57% |
Volatility (1Y)Calculated over the trailing 1-year period | 54.80% | 16.35% | +38.45% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 54.59% | 15.77% | +38.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 54.59% | 14.63% | +39.96% |
MBSX vs. CMDY - Expense Ratio Comparison
MBSX has a 0.40% expense ratio, which is higher than CMDY's 0.28% expense ratio.
Dividends
MBSX vs. CMDY - Dividend Comparison
MBSX's dividend yield for the trailing twelve months is around 3.38%, less than CMDY's 11.29% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 11.29% | 12.89% | 4.23% | 5.10% | 3.98% | 16.09% | 0.15% | 2.21% | 1.73% |
MBSX Regan Fixed Rate MBS ETF | 3.38% | 2.77% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MBSX and CMDY have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MBSX has higher volatility (41.28%) compared to CMDY (3.63%). In terms of maximum drawdown, MBSX dropped -27.57% vs CMDY's -31.19%.
On 1-year performance, CMDY leads with 21.95% vs 9.78% for MBSX. On fees, CMDY is cheaper at 0.28% per year. On volatility, CMDY has been the lower-risk option at 3.63%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, CMDY has performed better with a 21.95% return vs 9.78%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
CMDY is cheaper with a 0.28% expense ratio, compared with 0.40% for MBSX.
CMDY has the higher dividend yield at 11.29%, compared with 3.38% for MBSX.
MBSX is categorized as Mortgage Backed Securities, while CMDY is Commodities. They also come from different issuers: Regan and iShares. Their fees differ too: 0.40% for MBSX and 0.28% for CMDY.
CMDY currently has the higher Sharpe Ratio (1.36 vs 0.18), 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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