EMET vs. COPX
EMET (VanEck Copper and Green Metals ETF) and COPX (Global X Copper Miners ETF) are both exchange-traded funds - EMET is a Commodity Producers Equities fund tracking the MVIS Global Clean-Tech Metals Index, while COPX is a Materials fund tracking the Solactive Global Copper Miners Total Return Index. Both are passively managed. Over the past 3 years, EMET returned 21.61%/yr vs 37.36%/yr for COPX. Their correlation of 0.92 suggests significant overlap in exposure. EMET charges 0.61%/yr vs 0.65%/yr for COPX.
Performance
EMET vs. COPX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with EMET having a 24.96% return and COPX slightly higher at 25.71%.
EMET
- 1D
- -3.09%
- 1M
- 10.55%
- YTD
- 24.96%
- 6M
- 36.66%
- 1Y
- 116.88%
- 3Y*
- 21.61%
- 5Y*
- —
- 10Y*
- —
COPX
- 1D
- -3.64%
- 1M
- 17.74%
- YTD
- 25.71%
- 6M
- 36.90%
- 1Y
- 120.82%
- 3Y*
- 37.36%
- 5Y*
- 19.87%
- 10Y*
- 21.95%
EMET vs. COPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
EMET VanEck Copper and Green Metals ETF | 24.96% | 81.22% | -12.81% | -12.28% | -17.15% | -0.14% |
COPX Global X Copper Miners ETF | 25.71% | 93.50% | 3.57% | 8.38% | -0.76% | 0.48% |
Correlation
The correlation between EMET and COPX is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.92 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Nov 12, 2021 | 0.92 |
The correlation between EMET and COPX has been stable across timeframes, ranging from 0.92 to 0.93 - a consistent structural relationship.
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Return for Risk
EMET vs. COPX — Risk / Return Rank
EMET
COPX
EMET vs. COPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for VanEck Copper and Green Metals ETF (EMET) and Global X Copper Miners ETF (COPX). 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.
| EMET | COPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.34 | ||
| Sortino ratioReturn per unit of downside risk | +0.33 | ||
| Omega ratioGain probability vs. loss probability | 1.48 | 1.42 | +0.06 |
| Calmar ratioReturn relative to maximum drawdown | 4.60 | 4.37 | +0.23 |
| Martin ratioReturn relative to average drawdown | 15.70 | 14.00 | +1.69 |
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
| EMET | COPX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.27 | 2.93 | +0.34 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.55 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.62 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.25 | 0.19 | +0.06 |
Drawdowns
EMET vs. COPX - Drawdown Comparison
The maximum EMET drawdown since its inception was -53.05%, smaller than the maximum COPX drawdown of -83.16%. Use the drawdown chart below to compare losses from any high point for EMET and COPX.
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Drawdown Indicators
| EMET | COPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.05% | -83.16% | +30.11% |
Max Drawdown (1Y)Largest decline over 1 year | -25.58% | -27.82% | +2.24% |
Max Drawdown (3Y)Largest decline over 3 years | -40.50% | -39.72% | -0.78% |
Max Drawdown (5Y)Largest decline over 5 years | — | -42.12% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -65.41% | — |
Current DrawdownCurrent decline from peak | -5.29% | -5.69% | +0.40% |
Average DrawdownAverage peak-to-trough decline | -24.83% | -39.30% | +14.47% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.47% | 8.66% | -1.19% |
Volatility
EMET vs. COPX - Volatility Comparison
The current volatility for VanEck Copper and Green Metals ETF (EMET) is 12.59%, while Global X Copper Miners ETF (COPX) has a volatility of 15.38%. This indicates that EMET experiences smaller price fluctuations and is considered to be less risky than COPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| EMET | COPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.59% | 15.38% | -2.79% |
Volatility (6M)Calculated over the trailing 6-month period | 30.81% | 35.68% | -4.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 35.96% | 41.41% | -5.45% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.96% | 36.51% | -3.55% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 32.96% | 35.55% | -2.59% |
EMET vs. COPX - Expense Ratio Comparison
EMET has a 0.61% expense ratio, which is lower than COPX's 0.65% expense ratio.
Dividends
EMET vs. COPX - Dividend Comparison
EMET's dividend yield for the trailing twelve months is around 1.47%, less than COPX's 2.13% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COPX Global X Copper Miners ETF | 2.13% | 2.68% | 1.80% | 2.39% | 3.14% | 1.48% | 1.30% | 1.37% | 2.59% | 1.57% | 0.60% | 1.20% |
EMET VanEck Copper and Green Metals ETF | 1.47% | 1.84% | 1.89% | 2.02% | 2.56% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.92, EMET and COPX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
COPX has higher volatility (15.38%) compared to EMET (12.59%). In terms of maximum drawdown, EMET dropped -53.05% vs COPX's -83.16%.
On 3-year performance, COPX leads with 37.36% vs 21.61% for EMET. On fees, EMET is cheaper at 0.61% per year. On volatility, EMET has been the lower-risk option at 12.59%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, COPX has performed better with a 37.36% return vs 21.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
EMET is cheaper with a 0.61% expense ratio, compared with 0.65% for COPX.
COPX has the higher dividend yield at 2.13%, compared with 1.47% for EMET.
EMET is categorized as Commodity Producers Equities, while COPX is Materials. EMET tracks MVIS Global Clean-Tech Metals Index, while COPX tracks Solactive Global Copper Miners Total Return Index. They also come from different issuers: VanEck and Global X. Their fees differ too: 0.61% for EMET and 0.65% for COPX.
EMET currently has the higher Sharpe Ratio (3.27 vs 2.93), 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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