PDBC vs. COMB
Compare and contrast key facts about Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC) and GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF (COMB).
PDBC and COMB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. PDBC is an actively managed fund by Invesco. It was launched on Nov 7, 2014. COMB is an actively managed fund by GraniteShares. It was launched on May 22, 2017.
Performance
PDBC vs. COMB - Performance Comparison
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PDBC vs. COMB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PDBC Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF | 30.72% | 5.96% | 2.09% | -6.25% | 19.23% | 41.72% | -7.84% | 11.44% | -12.78% | 9.96% |
COMB GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF | 24.42% | 15.12% | 5.24% | -7.75% | 14.56% | 26.34% | -2.95% | 7.02% | -11.41% | 4.98% |
Returns By Period
In the year-to-date period, PDBC achieves a 30.72% return, which is significantly higher than COMB's 24.42% return.
PDBC
- 1D
- -1.03%
- 1M
- 16.09%
- YTD
- 30.72%
- 6M
- 33.97%
- 1Y
- 32.00%
- 3Y*
- 11.28%
- 5Y*
- 14.29%
- 10Y*
- 9.86%
COMB
- 1D
- 0.02%
- 1M
- 11.58%
- YTD
- 24.42%
- 6M
- 31.07%
- 1Y
- 31.68%
- 3Y*
- 13.75%
- 5Y*
- 13.49%
- 10Y*
- —
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PDBC vs. COMB - Expense Ratio Comparison
PDBC has a 0.58% expense ratio, which is higher than COMB's 0.25% expense ratio.
Return for Risk
PDBC vs. COMB — Risk / Return Rank
PDBC
COMB
PDBC vs. COMB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC) and GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF (COMB). 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.
| PDBC | COMB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.72 | 1.85 | -0.13 |
Sortino ratioReturn per unit of downside risk | 2.31 | 2.44 | -0.13 |
Omega ratioGain probability vs. loss probability | 1.31 | 1.35 | -0.03 |
Calmar ratioReturn relative to maximum drawdown | 3.04 | 3.57 | -0.53 |
Martin ratioReturn relative to average drawdown | 7.48 | 9.81 | -2.33 |
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
| PDBC | COMB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.72 | 1.85 | -0.13 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.76 | 0.82 | -0.06 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.56 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | 0.52 | -0.30 |
Correlation
The correlation between PDBC and COMB is 0.85, 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
PDBC vs. COMB - Dividend Comparison
PDBC's dividend yield for the trailing twelve months is around 2.94%, less than COMB's 7.27% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
PDBC Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF | 2.94% | 3.84% | 4.42% | 4.21% | 13.05% | 50.83% | 0.01% | 1.40% | 1.00% | 3.83% | 6.51% |
COMB GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF | 7.27% | 9.05% | 2.48% | 6.57% | 30.85% | 15.83% | 0.07% | 1.48% | 0.97% | 0.20% | 0.00% |
Drawdowns
PDBC vs. COMB - Drawdown Comparison
The maximum PDBC drawdown since its inception was -49.52%, which is greater than COMB's maximum drawdown of -33.50%. Use the drawdown chart below to compare losses from any high point for PDBC and COMB.
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Drawdown Indicators
| PDBC | COMB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.52% | -33.50% | -16.02% |
Max Drawdown (1Y)Largest decline over 1 year | -11.07% | -9.19% | -1.88% |
Max Drawdown (5Y)Largest decline over 5 years | -27.63% | -26.63% | -1.00% |
Max Drawdown (10Y)Largest decline over 10 years | -40.73% | — | — |
Current DrawdownCurrent decline from peak | -1.03% | 0.00% | -1.03% |
Average DrawdownAverage peak-to-trough decline | -23.53% | -12.25% | -11.28% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.50% | 3.34% | +1.16% |
Volatility
PDBC vs. COMB - Volatility Comparison
Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC) has a higher volatility of 8.15% compared to GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF (COMB) at 7.51%. This indicates that PDBC's price experiences larger fluctuations and is considered to be riskier than COMB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PDBC | COMB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.15% | 7.51% | +0.64% |
Volatility (6M)Calculated over the trailing 6-month period | 13.88% | 13.80% | +0.08% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.72% | 17.18% | +1.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.92% | 16.53% | +2.39% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.69% | 15.05% | +2.64% |