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COPX vs. COPJ
Performance
Return for Risk
Drawdowns
Volatility
Dividends

COPX vs. COPJ

Last updated Aug 2, 2026
Documentation

COPX (Global X Copper Miners ETF) and COPJ (Sprott Junior Copper Miners ETF) are both Copper funds - COPX tracks the Solactive Global Copper Miners Total Return Index while COPJ tracks the Nasdaq Sprott Junior Copper Miners Index. Both are passively managed. Over the past 3 years, COPX returned 27.01%/yr vs 34.70%/yr for COPJ. Their correlation of 0.87 means they have usually moved in the same direction. COPX charges 0.65%/yr vs 0.78%/yr for COPJ.

Performance

COPX vs. COPJ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X Copper Miners ETF (COPX) and Sprott Junior Copper Miners ETF (COPJ). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Returns By Period

COPX

1D
-0.81%
1M
2.88%
6M
-6.70%
YTD
10.22%
1Y
89.44%
3Y*
27.01%
5Y*
18.54%
10Y*
18.83%
ALL TIME*
5.76%

COPJ

1D
-0.83%
1M
-1.50%
6M
-14.72%
YTD
0.00%
1Y
79.19%
3Y*
34.70%
5Y*
—
10Y*
—
ALL TIME*
30.01%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)

COPJ

Sprott Junior Copper Miners ETF
$2.16M$2.22M$3.49M

COPX

Global X Copper Miners ETF
$193.89M$197.23M$300.83M

COPX vs. COPJ - Yearly Performance Comparison

2026 (YTD)202520242023
COPX
Global X Copper Miners ETF		10.22%93.50%3.57%-8.36%
COPJ
Sprott Junior Copper Miners ETF		0.00%140.63%11.07%-6.47%

Correlation

The correlation between COPX and COPJ is 0.88, meaning they have usually moved in the same direction, including during past declines.

Correlation
Correlation (1Y)
Focuses on recent behavior, but can change the most.

0.88

Correlation (3Y)
Balances recent behavior with more history.

0.86

Correlation (All Time)
Calculated using the full available price history since Feb 2, 2023

0.87

The correlation between COPX and COPJ has been stable across timeframes, ranging from 0.86 to 0.88 - a consistent structural relationship.

COPX vs. COPJ - Sectors Allocation Comparison

Sectors
COPX
COPJ

Basic Materials

96.9%
100.0%

Industrials

3.1%

-

Communication Services

-

-

Consumer Cyclical

-

-

Consumer Defensive

-

-

Energy

-

-

Financial Services

-

-

Healthcare

-

-

Real Estate

-

-

Technology

-

3.6%

Utilities

-

-

Basic Materials

COPX
96.9%
COPJ
100.0%

Industrials

COPX
3.1%
COPJ

-

Communication Services

COPX

-

COPJ

-

Consumer Cyclical

COPX

-

COPJ

-

Consumer Defensive

COPX

-

COPJ

-

Energy

COPX

-

COPJ

-

Financial Services

COPX

-

COPJ

-

Healthcare

COPX

-

COPJ

-

Real Estate

COPX

-

COPJ

-

Technology

COPX

-

COPJ
3.6%

Utilities

COPX

-

COPJ

-

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Global X Copper Miners ETF

Sprott Junior Copper Miners ETF

Often compared with COPX:
COPX vs. CPERCOPX vs. ICOPCOPX vs. COPPCOPX vs. COPA.LCOPX vs. GDXCOPX vs. REMXCOPX vs. HG=F
Often compared with COPJ:
COPJ vs. COPPCOPJ vs. CPERCOPJ vs. ICOPCOPJ vs. SLVPCOPJ vs. XMECOPJ vs. SCCOCOPJ vs. EVX

Return for Risk

COPX vs. COPJ — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.
COPX
COPX Risk / Return Rank: 7676
Overall Rank
COPX Sharpe Ratio Rank: 8484
Sharpe Ratio Rank
COPX Sortino Ratio Rank: 7373
Sortino Ratio Rank
COPX Omega Ratio Rank: 7373
Omega Ratio Rank
COPX Calmar Ratio Rank: 8484
Calmar Ratio Rank
COPX Martin Ratio Rank: 6666
Martin Ratio Rank
COPJ
COPJ Risk / Return Rank: 6868
Overall Rank
COPJ Sharpe Ratio Rank: 7878
Sharpe Ratio Rank
COPJ Sortino Ratio Rank: 6767
Sortino Ratio Rank
COPJ Omega Ratio Rank: 7070
Omega Ratio Rank
COPJ Calmar Ratio Rank: 7373
Calmar Ratio Rank
COPJ Martin Ratio Rank: 5050
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

COPX vs. COPJ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X Copper Miners ETF (COPX) 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.

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.

COPXCOPJDifference
Sharpe ratioReturn per unit of total volatility
1.94
1.77

+0.16

Sortino ratioReturn per unit of downside risk
2.33
2.20

+0.13

Omega ratioGain probability vs. loss probability

1.30

1.29

+0.01

Calmar ratioReturn relative to maximum drawdown

3.18

2.53

+0.66

Martin ratioReturn relative to average drawdown

7.96

5.76

+2.20

COPX vs. COPJ - Sharpe Ratio Comparison

The current COPX Sharpe Ratio is 1.94, which is comparable to the COPJ Sharpe Ratio of 1.77. The chart below compares the historical Sharpe Ratios of COPX and COPJ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

COPX vs. COPJ - Drawdown Comparison

The maximum COPX drawdown since its inception was -83.16%, which is greater than COPJ's maximum drawdown of -32.28%. Use the drawdown chart below to compare losses from any high point for COPX and COPJ.

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Drawdown Indicators

COPXCOPJDifference

Max Drawdown

Largest peak-to-trough decline

-83.16%

-32.28%

-50.88%

Max Drawdown (1Y)

Largest decline over 1 year

-27.82%

-32.28%

+4.46%

Max Drawdown (3Y)

Largest decline over 3 years

-39.72%

-32.28%

-7.44%

Max Drawdown (5Y)

Largest decline over 5 years

-42.12%

—

—

Max Drawdown (10Y)

Largest decline over 10 years

-65.41%

—

—

Current Drawdown

Current decline from peak

-17.32%

-23.56%

+6.24%

Average Drawdown

Average peak-to-trough decline

-39.11%

-12.38%

-26.73%

Ulcer Index

Depth and duration of drawdowns from previous peaks

11.11%

14.14%

-3.03%

Volatility

COPX vs. COPJ - Volatility Comparison

Global X Copper Miners ETF (COPX) has a higher volatility of 13.58% compared to Sprott Junior Copper Miners ETF (COPJ) at 12.84%. This indicates that COPX's price experiences larger fluctuations and is considered to be riskier 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

COPXCOPJDifference

Volatility (1M)

Calculated over the trailing 1-month period

13.58%

12.84%

+0.74%

Volatility (6M)

Calculated over the trailing 6-month period

39.74%

39.35%

+0.39%

Volatility (1Y)

Calculated over the trailing 1-year period

45.77%

46.09%

-0.32%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

37.28%

35.86%

+1.42%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

35.87%

35.86%

+0.01%

COPX vs. COPJ - Expense Ratio Comparison

COPX has a 0.65% expense ratio, which is lower than COPJ's 0.78% expense ratio.

Dividends

COPX vs. COPJ - Dividend Comparison

COPX's dividend yield for the trailing twelve months is around 2.45%, less than COPJ's 11.57% yield.

PositionTTM20252024202320222021202020192018201720162015
COPJ
Sprott Junior Copper Miners ETF		11.57%11.57%11.64%2.48%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
COPX
Global X Copper Miners ETF		2.45%2.68%1.80%2.39%3.14%1.48%1.30%1.37%2.59%1.57%0.60%1.20%

Frequently Asked Questions

COPX and COPJ have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

COPX has higher volatility (13.58%) compared to COPJ (12.84%). In terms of maximum drawdown, COPX dropped -83.16% vs COPJ's -32.28%.

On 3-year performance, COPJ leads with 34.70% vs 27.01% for COPX. On fees, COPX is cheaper at 0.65% per year. On volatility, COPJ has been the lower-risk option at 12.84%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 3-year period, COPJ has performed better with a 34.70% return vs 27.01%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

COPX is cheaper with a 0.65% expense ratio, compared with 0.78% for COPJ.

COPJ has the higher dividend yield at 11.57%, compared with 2.45% for COPX.

COPX tracks Solactive Global Copper Miners Total Return Index, while COPJ tracks Nasdaq Sprott Junior Copper Miners Index. They also come from different issuers: Global X and Sprott. Their fees differ too: 0.65% for COPX and 0.78% for COPJ.

COPX currently has the higher Sharpe Ratio (1.94 vs 1.77), 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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