CMDY vs. PDBC
Compare and contrast key facts about iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) and Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC).
CMDY and PDBC are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. CMDY is a passively managed fund by iShares that tracks the performance of the Bloomberg Roll Select Commodity Total Return Index. It was launched on Apr 3, 2018. PDBC is an actively managed fund by Invesco. It was launched on Nov 7, 2014.
Performance
CMDY vs. PDBC - Performance Comparison
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CMDY vs. PDBC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 21.23% | 15.81% | 5.43% | -9.33% | 14.55% | 26.38% | 1.15% | 4.96% | -11.11% |
PDBC Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF | 29.06% | 5.96% | 2.09% | -6.25% | 19.23% | 41.72% | -7.84% | 11.44% | -13.76% |
Returns By Period
In the year-to-date period, CMDY achieves a 21.23% return, which is significantly lower than PDBC's 29.06% return.
CMDY
- 1D
- -0.54%
- 1M
- 6.54%
- YTD
- 21.23%
- 6M
- 26.39%
- 1Y
- 28.68%
- 3Y*
- 12.40%
- 5Y*
- 12.67%
- 10Y*
- —
PDBC
- 1D
- -1.27%
- 1M
- 11.33%
- YTD
- 29.06%
- 6M
- 32.46%
- 1Y
- 30.13%
- 3Y*
- 10.80%
- 5Y*
- 14.00%
- 10Y*
- 9.72%
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CMDY vs. PDBC - Expense Ratio Comparison
CMDY has a 0.28% expense ratio, which is lower than PDBC's 0.58% expense ratio.
Return for Risk
CMDY vs. PDBC — Risk / Return Rank
CMDY
PDBC
CMDY vs. PDBC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) and Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC). 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 | PDBC | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.75 | 1.62 | +0.14 |
Sortino ratioReturn per unit of downside risk | 2.31 | 2.19 | +0.12 |
Omega ratioGain probability vs. loss probability | 1.33 | 1.29 | +0.04 |
Calmar ratioReturn relative to maximum drawdown | 3.00 | 2.74 | +0.26 |
Martin ratioReturn relative to average drawdown | 9.38 | 6.73 | +2.64 |
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 | PDBC | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.75 | 1.62 | +0.14 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.81 | 0.74 | +0.07 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.55 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.54 | 0.21 | +0.34 |
Correlation
The correlation between CMDY and PDBC is 0.83, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
CMDY vs. PDBC - Dividend Comparison
CMDY's dividend yield for the trailing twelve months is around 10.64%, more than PDBC's 2.97% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 10.64% | 12.89% | 4.23% | 5.10% | 3.98% | 16.09% | 0.15% | 2.21% | 1.73% | 0.00% | 0.00% |
PDBC Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF | 2.97% | 3.84% | 4.42% | 4.21% | 13.05% | 50.83% | 0.01% | 1.40% | 1.00% | 3.83% | 6.51% |
Drawdowns
CMDY vs. PDBC - Drawdown Comparison
The maximum CMDY drawdown since its inception was -31.19%, smaller than the maximum PDBC drawdown of -49.52%. Use the drawdown chart below to compare losses from any high point for CMDY and PDBC.
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Drawdown Indicators
| CMDY | PDBC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -31.19% | -49.52% | +18.33% |
Max Drawdown (1Y)Largest decline over 1 year | -9.57% | -11.07% | +1.50% |
Max Drawdown (5Y)Largest decline over 5 years | -26.56% | -27.63% | +1.07% |
Max Drawdown (10Y)Largest decline over 10 years | — | -40.73% | — |
Current DrawdownCurrent decline from peak | -0.97% | -2.29% | +1.32% |
Average DrawdownAverage peak-to-trough decline | -13.38% | -23.53% | +10.15% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.06% | 4.50% | -1.44% |
Volatility
CMDY vs. PDBC - Volatility Comparison
The current volatility for iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) is 6.76%, while Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC) has a volatility of 8.36%. This indicates that CMDY experiences smaller price fluctuations and is considered to be less risky than PDBC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CMDY | PDBC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.76% | 8.36% | -1.60% |
Volatility (6M)Calculated over the trailing 6-month period | 13.02% | 13.95% | -0.93% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.43% | 18.73% | -2.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.63% | 18.92% | -3.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.54% | 17.69% | -3.15% |