COPJ vs. CPER
Compare and contrast key facts about Sprott Junior Copper Miners ETF (COPJ) and United States Copper Index Fund (CPER).
COPJ and CPER are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. 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. 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. Both COPJ and CPER 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
COPJ vs. CPER - Performance Comparison
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COPJ vs. CPER - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
COPJ Sprott Junior Copper Miners ETF | 1.20% | 140.63% | 11.07% | -5.30% |
CPER United States Copper Index Fund | -1.77% | 38.95% | 4.23% | -2.74% |
Returns By Period
In the year-to-date period, COPJ achieves a 1.20% return, which is significantly higher than CPER's -1.77% return.
COPJ
- 1D
- 2.03%
- 1M
- -19.66%
- YTD
- 1.20%
- 6M
- 38.36%
- 1Y
- 122.82%
- 3Y*
- 38.27%
- 5Y*
- —
- 10Y*
- —
CPER
- 1D
- -0.26%
- 1M
- -5.63%
- YTD
- -1.77%
- 6M
- 13.90%
- 1Y
- 8.95%
- 3Y*
- 11.25%
- 5Y*
- 6.76%
- 10Y*
- 9.08%
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COPJ vs. CPER - Expense Ratio Comparison
COPJ has a 0.78% expense ratio, which is lower than CPER's 0.80% expense ratio.
Return for Risk
COPJ vs. CPER — Risk / Return Rank
COPJ
CPER
COPJ vs. CPER - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Sprott Junior Copper Miners ETF (COPJ) and United States Copper Index Fund (CPER). 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.
| COPJ | CPER | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.96 | 0.24 | +2.72 |
Sortino ratioReturn per unit of downside risk | 3.13 | 0.54 | +2.59 |
Omega ratioGain probability vs. loss probability | 1.45 | 1.09 | +0.36 |
Calmar ratioReturn relative to maximum drawdown | 3.78 | 0.35 | +3.43 |
Martin ratioReturn relative to average drawdown | 13.93 | 0.71 | +13.22 |
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
| COPJ | CPER | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.96 | 0.24 | +2.72 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.25 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.38 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.03 | 0.09 | +0.94 |
Correlation
The correlation between COPJ and CPER 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
COPJ vs. CPER - Dividend Comparison
COPJ's dividend yield for the trailing twelve months is around 11.44%, while CPER has not paid dividends to shareholders.
| TTM | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
COPJ Sprott Junior Copper Miners ETF | 11.44% | 11.57% | 11.64% | 2.48% |
CPER United States Copper Index Fund | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
COPJ vs. CPER - Drawdown Comparison
The maximum COPJ drawdown since its inception was -32.28%, smaller than the maximum CPER drawdown of -54.04%. Use the drawdown chart below to compare losses from any high point for COPJ and CPER.
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Drawdown Indicators
| COPJ | CPER | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -32.28% | -54.04% | +21.76% |
Max Drawdown (1Y)Largest decline over 1 year | -32.28% | -24.77% | -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 | -22.65% | -11.29% | -11.36% |
Average DrawdownAverage peak-to-trough decline | -11.59% | -25.65% | +14.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.76% | 12.19% | -3.43% |
Volatility
COPJ vs. CPER - Volatility Comparison
Sprott Junior Copper Miners ETF (COPJ) has a higher volatility of 17.82% compared to United States Copper Index Fund (CPER) at 9.07%. This indicates that COPJ's price experiences larger fluctuations and is considered to be riskier than CPER based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COPJ | CPER | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 17.82% | 9.07% | +8.75% |
Volatility (6M)Calculated over the trailing 6-month period | 34.55% | 21.93% | +12.62% |
Volatility (1Y)Calculated over the trailing 1-year period | 41.70% | 36.82% | +4.88% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.87% | 26.85% | +7.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.87% | 23.86% | +10.01% |