CPER vs. COPJ
Compare and contrast key facts about United States Copper Index Fund (CPER) and Sprott Junior Copper Miners ETF (COPJ).
CPER and COPJ are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. CPER is a passively managed fund by Concierge Technologies that tracks the performance of the SummerHaven Copper Index Total Return. It was launched on Nov 15, 2011. COPJ is a passively managed fund by Sprott that tracks the performance of the Nasdaq Sprott Junior Copper Miners Index - Benchmark TR Net. It was launched on Feb 1, 2023. Both CPER and COPJ are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
CPER vs. COPJ - Performance Comparison
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CPER vs. COPJ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
CPER United States Copper Index Fund | -1.52% | 38.95% | 4.23% | -2.74% |
COPJ Sprott Junior Copper Miners ETF | -0.81% | 140.63% | 11.07% | -5.30% |
Returns By Period
In the year-to-date period, CPER achieves a -1.52% return, which is significantly lower than COPJ's -0.81% return.
CPER
- 1D
- 2.50%
- 1M
- -6.64%
- YTD
- -1.52%
- 6M
- 14.77%
- 1Y
- 8.96%
- 3Y*
- 11.35%
- 5Y*
- 6.82%
- 10Y*
- 9.10%
COPJ
- 1D
- 8.82%
- 1M
- -20.74%
- YTD
- -0.81%
- 6M
- 38.34%
- 1Y
- 117.56%
- 3Y*
- 37.35%
- 5Y*
- —
- 10Y*
- —
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CPER vs. COPJ - Expense Ratio Comparison
CPER has a 0.80% expense ratio, which is higher than COPJ's 0.78% expense ratio.
Return for Risk
CPER vs. COPJ — Risk / Return Rank
CPER
COPJ
CPER vs. COPJ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for United States Copper Index Fund (CPER) and Sprott Junior Copper Miners ETF (COPJ). 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.
| CPER | COPJ | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.24 | 2.84 | -2.59 |
Sortino ratioReturn per unit of downside risk | 0.54 | 3.05 | -2.50 |
Omega ratioGain probability vs. loss probability | 1.09 | 1.44 | -0.35 |
Calmar ratioReturn relative to maximum drawdown | 0.31 | 3.55 | -3.24 |
Martin ratioReturn relative to average drawdown | 0.64 | 13.23 | -12.60 |
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
| CPER | COPJ | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.24 | 2.84 | -2.59 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.26 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.38 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.09 | 1.01 | -0.91 |
Correlation
The correlation between CPER and COPJ is 0.65, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
CPER vs. COPJ - Dividend Comparison
CPER has not paid dividends to shareholders, while COPJ's dividend yield for the trailing twelve months is around 11.67%.
| TTM | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
CPER United States Copper Index Fund | 0.00% | 0.00% | 0.00% | 0.00% |
COPJ Sprott Junior Copper Miners ETF | 11.67% | 11.57% | 11.64% | 2.48% |
Drawdowns
CPER vs. COPJ - Drawdown Comparison
The maximum CPER drawdown since its inception was -54.04%, which is greater than COPJ's maximum drawdown of -32.28%. Use the drawdown chart below to compare losses from any high point for CPER and COPJ.
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Drawdown Indicators
| CPER | COPJ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.04% | -32.28% | -21.76% |
Max Drawdown (1Y)Largest decline over 1 year | -24.77% | -32.28% | +7.51% |
Max Drawdown (5Y)Largest decline over 5 years | -34.75% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -38.42% | — | — |
Current DrawdownCurrent decline from peak | -11.06% | -24.18% | +13.12% |
Average DrawdownAverage peak-to-trough decline | -25.65% | -11.58% | -14.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 12.19% | 8.66% | +3.53% |
Volatility
CPER vs. COPJ - Volatility Comparison
The current volatility for United States Copper Index Fund (CPER) is 9.29%, while Sprott Junior Copper Miners ETF (COPJ) has a volatility of 18.58%. This indicates that CPER experiences smaller price fluctuations and is considered to be less risky than COPJ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CPER | COPJ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.29% | 18.58% | -9.29% |
Volatility (6M)Calculated over the trailing 6-month period | 21.96% | 34.54% | -12.58% |
Volatility (1Y)Calculated over the trailing 1-year period | 36.84% | 41.70% | -4.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.85% | 33.88% | -7.03% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.87% | 33.88% | -10.01% |