COPJ vs. GDMN

Last updated Jun 13, 2026

COPJ (Sprott Junior Copper Miners ETF) and GDMN (WisdomTree Efficient Gold Plus Gold Miners Strategy Fund) are both exchange-traded funds - COPJ is a Commodity Producers Equities fund tracking the Nasdaq Sprott Junior Copper Miners Index, while GDMN is a Commodities fund actively managed by WisdomTree. COPJ is passively managed, while GDMN is actively managed. Over the past 3 years, COPJ returned 41.69%/yr vs 56.30%/yr for GDMN. A 0.57 correlation means they provide meaningful diversification when combined. COPJ charges 0.78%/yr vs 0.45%/yr for GDMN.

Performance

COPJ vs. GDMN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Sprott Junior Copper Miners ETF (COPJ) and WisdomTree Efficient Gold Plus Gold Miners Strategy Fund (GDMN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COPJ achieves a 8.25% return, which is significantly higher than GDMN's -13.77% return.

COPJ

• 1D: 4.06%
• 1M: -7.22%
• YTD: 8.25%
• 6M: 18.98%
• 1Y: 100.49%
• 3Y*: 41.69%
• 5Y*: —
• 10Y*: —

GDMN

• 1D: 2.11%
• 1M: -21.24%
• YTD: -13.77%
• 6M: -13.73%
• 1Y: 51.90%
• 3Y*: 56.30%
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

COPJ vs. GDMN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
COPJ Sprott Junior Copper Miners ETF	8.25%	140.63%	11.07%	-6.47%
GDMN WisdomTree Efficient Gold Plus Gold Miners Strategy Fund	-13.77%	237.09%	28.23%	-5.67%

Correlation

The correlation between COPJ and GDMN is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.62
Correlation (3Y) Calculated over the trailing 3-year period	0.59
Correlation (All Time) Calculated using the full available price history since Feb 2, 2023	0.57

The correlation between COPJ and GDMN has been stable across timeframes, ranging from 0.57 to 0.62 - a consistent structural relationship.

COPJ vs. GDMN - Sectors Allocation Comparison

Sectors	COPJ	GDMN
Basic Materials	100.0%	100.0%
Technology	3.6%	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Healthcare	-	-
Industrials	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

COPJ vs. GDMN — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

COPJ

COPJ Risk / Return Rank: 70
COPJ Sharpe Ratio Rank: 84
COPJ Sortino Ratio Rank: 66
COPJ Omega Ratio Rank: 72
COPJ Calmar Ratio Rank: 72
COPJ Martin Ratio Rank: 57

GDMN

GDMN Risk / Return Rank: 29
GDMN Sharpe Ratio Rank: 28
GDMN Sortino Ratio Rank: 28
GDMN Omega Ratio Rank: 33
GDMN Calmar Ratio Rank: 27
GDMN Martin Ratio Rank: 26

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

COPJ vs. GDMN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Sprott Junior Copper Miners ETF (COPJ) and WisdomTree Efficient Gold Plus Gold Miners Strategy Fund (GDMN). 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.

	COPJ	GDMN	Difference
Sharpe ratio: Return per unit of total volatility	2.33	0.90	+1.43
Sortino ratio: Return per unit of downside risk	2.62	1.38	+1.25
Omega ratio: Gain probability vs. loss probability	1.37	1.20	+0.17
Calmar ratio: Return relative to maximum drawdown	3.21	1.17	+2.04
Martin ratio: Return relative to average drawdown	8.96	3.15	+5.81

COPJ vs. GDMN - Sharpe Ratio Comparison

The current COPJ Sharpe Ratio is 2.33, which is higher than the GDMN Sharpe Ratio of 0.90. The chart below compares the historical Sharpe Ratios of COPJ and GDMN, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

COPJ vs. GDMN - Drawdown Comparison

The maximum COPJ drawdown since its inception was -32.28%, smaller than the maximum GDMN drawdown of -52.82%. Use the drawdown chart below to compare losses from any high point for COPJ and GDMN.

Drawdown Indicators

	COPJ	GDMN	Difference
Max Drawdown Largest peak-to-trough decline	-32.28%	-52.82%	+20.54%
Max Drawdown (1Y) Largest decline over 1 year	-32.28%	-48.76%	+16.48%
Max Drawdown (3Y) Largest decline over 3 years	-32.28%	-48.76%	+16.48%
Current Drawdown Current decline from peak	-17.26%	-43.39%	+26.13%
Average Drawdown Average peak-to-trough decline	-11.97%	-19.02%	+7.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.53%	18.01%	-6.48%

Volatility

COPJ vs. GDMN - Volatility Comparison

The current volatility for Sprott Junior Copper Miners ETF (COPJ) is 19.44%, while WisdomTree Efficient Gold Plus Gold Miners Strategy Fund (GDMN) has a volatility of 21.98%. This indicates that COPJ experiences smaller price fluctuations and is considered to be less risky than GDMN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COPJ	GDMN	Difference
Volatility (1M) Calculated over the trailing 1-month period	19.44%	21.98%	-2.54%
Volatility (6M) Calculated over the trailing 6-month period	37.98%	54.30%	-16.32%
Volatility (1Y) Calculated over the trailing 1-year period	44.42%	63.44%	-19.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.48%	48.07%	-12.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.48%	48.07%	-12.59%

COPJ vs. GDMN - Expense Ratio Comparison

COPJ has a 0.78% expense ratio, which is higher than GDMN's 0.45% expense ratio.

Dividends

COPJ vs. GDMN - Dividend Comparison

COPJ's dividend yield for the trailing twelve months is around 10.69%, more than GDMN's 3.13% yield.

Position	TTM	2025	2024	2023	2022
COPJ Sprott Junior Copper Miners ETF	10.69%	11.57%	11.64%	2.48%	0.00%
GDMN WisdomTree Efficient Gold Plus Gold Miners Strategy Fund	3.13%	2.70%	9.44%	7.69%	1.44%

Frequently Asked Questions

Can I hold both COPJ and GDMN in my portfolio?

COPJ and GDMN have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COPJ or GDMN?

GDMN has higher volatility (21.98%) compared to COPJ (19.44%). In terms of maximum drawdown, COPJ dropped -32.28% vs GDMN's -52.82%.

Which ETF is better, COPJ or GDMN?

On 3-year performance, GDMN leads with 56.30% vs 41.69% for COPJ. On fees, GDMN is cheaper at 0.45% per year. On volatility, COPJ has been the lower-risk option at 19.44%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, COPJ or GDMN?

Over the 3-year period, GDMN has performed better with a 56.30% return vs 41.69%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, COPJ or GDMN?

GDMN is cheaper with a 0.45% expense ratio, compared with 0.78% for COPJ.

Which ETF pays a higher dividend yield, COPJ or GDMN?

COPJ has the higher dividend yield at 10.69%, compared with 3.13% for GDMN.

What is the main difference between COPJ and GDMN?

COPJ is categorized as Commodity Producers Equities, while GDMN is Commodities. They also come from different issuers: Sprott and WisdomTree. Their fees differ too: 0.78% for COPJ and 0.45% for GDMN.

Which has better risk-adjusted returns?

COPJ currently has the higher Sharpe Ratio (2.33 vs 0.90), 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.