GDX vs. PDBC
GDX (VanEck Gold Miners ETF) and PDBC (Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF) are both exchange-traded funds - GDX is a Gold fund tracking the NYSE MarketVector Global Gold Miners Index, while PDBC is a Commodities fund actively managed by Invesco. GDX is passively managed, while PDBC is actively managed. Over the past 10 years, GDX returned 13.81%/yr vs 7.87%/yr for PDBC. At a 0.25 correlation, their price movements are largely independent. GDX charges 0.51%/yr vs 0.58%/yr for PDBC.
Performance
GDX vs. PDBC - Performance Comparison
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Returns By Period
In the year-to-date period, GDX achieves a -0.58% return, which is significantly lower than PDBC's 27.47% return. Over the past 10 years, GDX has outperformed PDBC with an annualized return of 13.81%, while PDBC has yielded a comparatively lower 7.87% annualized return.
GDX
- 1D
- 6.55%
- 1M
- -2.38%
- YTD
- -0.58%
- 6M
- 1.22%
- 1Y
- 57.71%
- 3Y*
- 41.18%
- 5Y*
- 19.97%
- 10Y*
- 13.81%
PDBC
- 1D
- -1.00%
- 1M
- -9.24%
- YTD
- 27.47%
- 6M
- 29.29%
- 1Y
- 29.58%
- 3Y*
- 10.66%
- 5Y*
- 11.09%
- 10Y*
- 7.87%
GDX vs. PDBC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GDX VanEck Gold Miners ETF | -0.58% | 154.77% | 10.63% | 9.98% | -9.01% | -9.52% | 23.66% | 39.84% | -8.77% | 11.99% |
PDBC Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF | 27.47% | 5.96% | 2.09% | -6.25% | 19.23% | 41.72% | -7.84% | 11.44% | -12.78% | 5.06% |
Correlation
The correlation between GDX and PDBC is 0.03, 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 | 0.03 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.22 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.27 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.24 |
Correlation (All Time) Calculated using the full available price history since Nov 7, 2014 | 0.25 |
Over the past year, the correlation between GDX and PDBC has dropped to 0.03 - well below their long-term average of 0.25, suggesting their price drivers have been diverging.
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Return for Risk
GDX vs. PDBC — Risk / Return Rank
GDX
PDBC
GDX vs. PDBC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for VanEck Gold Miners ETF (GDX) 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.
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.
| GDX | PDBC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.36 | ||
| Sortino ratioReturn per unit of downside risk | -0.49 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.28 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | 1.60 | 2.78 | -1.18 |
| Martin ratioReturn relative to average drawdown | 4.39 | 7.99 | -3.60 |
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Drawdowns
GDX vs. PDBC - Drawdown Comparison
The maximum GDX drawdown since its inception was -80.34%, which is greater than PDBC's maximum drawdown of -49.52%. Use the drawdown chart below to compare losses from any high point for GDX and PDBC.
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Drawdown Indicators
| GDX | PDBC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.34% | -49.52% | -30.82% |
Max Drawdown (1Y)Largest decline over 1 year | -36.28% | -10.68% | -25.60% |
Max Drawdown (3Y)Largest decline over 3 years | -36.28% | -13.95% | -22.33% |
Max Drawdown (5Y)Largest decline over 5 years | -46.51% | -27.63% | -18.88% |
Max Drawdown (10Y)Largest decline over 10 years | -49.79% | -40.73% | -9.06% |
Current DrawdownCurrent decline from peak | -26.39% | -10.68% | -15.71% |
Average DrawdownAverage peak-to-trough decline | -40.41% | -23.16% | -17.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 13.22% | 3.71% | +9.51% |
Volatility
GDX vs. PDBC - Volatility Comparison
VanEck Gold Miners ETF (GDX) has a higher volatility of 18.56% compared to Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC) at 4.94%. This indicates that GDX's price experiences larger fluctuations and is considered to be riskier 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
| GDX | PDBC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 18.56% | 4.94% | +13.62% |
Volatility (6M)Calculated over the trailing 6-month period | 39.52% | 16.16% | +23.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 47.30% | 18.73% | +28.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.86% | 19.17% | +17.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 37.37% | 17.79% | +19.58% |
GDX vs. PDBC - Expense Ratio Comparison
GDX has a 0.51% expense ratio, which is lower than PDBC's 0.58% expense ratio.
Dividends
GDX vs. PDBC - Dividend Comparison
GDX's dividend yield for the trailing twelve months is around 0.74%, less than PDBC's 3.01% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GDX VanEck Gold Miners ETF | 0.74% | 0.74% | 1.19% | 1.61% | 1.66% | 1.67% | 0.53% | 0.67% | 0.50% | 0.76% | 0.26% | 0.85% |
PDBC Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF | 3.01% | 3.84% | 4.42% | 4.21% | 13.05% | 50.83% | 0.01% | 1.40% | 1.00% | 3.83% | 6.51% | 0.00% |
Frequently Asked Questions
GDX and PDBC have a correlation of 0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GDX has higher volatility (18.56%) compared to PDBC (4.94%). In terms of maximum drawdown, GDX dropped -80.34% vs PDBC's -49.52%.
On 10-year performance, GDX leads with 13.81% vs 7.87% for PDBC. On fees, GDX is cheaper at 0.51% per year. On volatility, PDBC has been the lower-risk option at 4.94%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, GDX has performed better with a 13.81% return vs 7.87%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
GDX is cheaper with a 0.51% expense ratio, compared with 0.58% for PDBC.
PDBC has the higher dividend yield at 3.01%, compared with 0.74% for GDX.
GDX is categorized as Gold, while PDBC is Commodities. They also come from different issuers: VanEck and Invesco. Their fees differ too: 0.51% for GDX and 0.58% for PDBC.
PDBC currently has the higher Sharpe Ratio (1.59 vs 1.23), 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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