CMDY vs. DJCB
CMDY (iShares Bloomberg Roll Select Commodity Strategy ETF) and DJCB (ETRACS Bloomberg Commodity Index Total Return ETN Series B) are both Commodities funds - CMDY tracks the Bloomberg Roll Select Commodity Total Return Index while DJCB tracks the Bloomberg Commodity Index. Both are passively managed. A 0.70 correlation means they provide meaningful diversification when combined. CMDY charges 0.28%/yr vs 0.50%/yr for DJCB.
Performance
CMDY vs. DJCB - Performance Comparison
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Returns By Period
CMDY
- 1D
- -1.01%
- 1M
- -3.07%
- YTD
- 24.16%
- 6M
- 23.07%
- 1Y
- 35.71%
- 3Y*
- 15.11%
- 5Y*
- 10.49%
- 10Y*
- —
DJCB
- 1D
- —
- 1M
- —
- YTD
- —
- 6M
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
CMDY vs. DJCB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 24.16% | 15.81% | 5.43% | -9.33% | 14.55% | 26.38% | 1.15% | 1.94% |
DJCB ETRACS Bloomberg Commodity Index Total Return ETN Series B | 0.00% | 0.00% | 3.39% | -8.96% | 16.39% | 28.75% | -3.90% | 2.27% |
Correlation
The correlation between CMDY and DJCB is 0.70, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (3Y) Calculated over the trailing 3-year period | 0.41 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.65 |
Correlation (All Time) Calculated using the full available price history since Oct 28, 2019 | 0.70 |
The correlation between CMDY and DJCB shifts across timeframes, from 0.41 (3 years) to 0.70 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
CMDY vs. DJCB — Risk / Return Rank
CMDY
DJCB
CMDY vs. DJCB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) and ETRACS Bloomberg Commodity Index Total Return ETN Series B (DJCB). 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.
| CMDY | DJCB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.40 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 4.64 | — | — |
| Martin ratioReturn relative to average drawdown | 13.86 | — | — |
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
| CMDY | DJCB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.23 | — | — |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.67 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.55 | — | — |
Drawdowns
CMDY vs. DJCB - Drawdown Comparison
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Drawdown Indicators
| CMDY | DJCB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -31.19% | — | — |
Max Drawdown (1Y)Largest decline over 1 year | -7.73% | — | — |
Max Drawdown (3Y)Largest decline over 3 years | -10.08% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -26.56% | — | — |
Current DrawdownCurrent decline from peak | -4.95% | — | — |
Average DrawdownAverage peak-to-trough decline | -13.14% | — | — |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.58% | — | — |
Volatility
CMDY vs. DJCB - Volatility Comparison
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Volatility by Period
| CMDY | DJCB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.11% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 14.25% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 16.10% | — | — |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.80% | — | — |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.63% | — | — |
CMDY vs. DJCB - Expense Ratio Comparison
CMDY has a 0.28% expense ratio, which is lower than DJCB's 0.50% expense ratio.
Dividends
CMDY vs. DJCB - Dividend Comparison
CMDY's dividend yield for the trailing twelve months is around 10.38%, while DJCB has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 10.38% | 12.89% | 4.23% | 5.10% | 3.98% | 16.09% | 0.15% | 2.21% | 1.73% |
DJCB ETRACS Bloomberg Commodity Index Total Return ETN Series B | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
CMDY and DJCB have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, CMDY is cheaper at 0.28% per year. The better choice depends on whether you care most about return, fees, risk, or income.
CMDY is cheaper with a 0.28% expense ratio, compared with 0.50% for DJCB.
CMDY has the higher dividend yield at 10.38%, compared with 0.00% for DJCB.
CMDY tracks Bloomberg Roll Select Commodity Total Return Index, while DJCB tracks Bloomberg Commodity Index. They also come from different issuers: iShares and UBS. Their fees differ too: 0.28% for CMDY and 0.50% for DJCB.
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