GDX vs. COPX

Last updated Jun 4, 2026

GDX (VanEck Gold Miners ETF) and COPX (Global X Copper Miners ETF) are both exchange-traded funds - GDX is a Gold fund tracking the NYSE MarketVector Global Gold Miners Index, while COPX is a Materials fund tracking the Solactive Global Copper Miners Total Return Index. Both are passively managed. Over the past 10 years, GDX returned 13.98%/yr vs 21.95%/yr for COPX. At a 0.46 correlation, their price movements are largely independent. GDX charges 0.51%/yr vs 0.65%/yr for COPX.

Performance

GDX vs. COPX - Performance Comparison

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

Returns By Period

In the year-to-date period, GDX achieves a -0.90% return, which is significantly lower than COPX's 25.71% return. Over the past 10 years, GDX has underperformed COPX with an annualized return of 13.98%, while COPX has yielded a comparatively higher 21.95% annualized return.

GDX

• 1D: -3.46%
• 1M: -0.76%
• YTD: -0.90%
• 6M: 5.62%
• 1Y: 61.27%
• 3Y*: 41.00%
• 5Y*: 18.69%
• 10Y*: 13.98%

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%

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

GDX vs. COPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GDX VanEck Gold Miners ETF	-0.90%	154.77%	10.63%	9.98%	-9.01%	-9.52%	23.66%	39.84%	-8.77%	11.99%
COPX Global X Copper Miners ETF	25.71%	93.50%	3.57%	8.38%	-0.76%	23.39%	51.66%	12.48%	-31.31%	38.92%

Correlation

The correlation between GDX and COPX is 0.65, 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	0.65
Correlation (3Y) Calculated over the trailing 3-year period	0.63
Correlation (5Y) Calculated over the trailing 5-year period	0.61
Correlation (10Y) Calculated over the trailing 10-year period	0.46
Correlation (All Time) Calculated using the full available price history since Apr 21, 2010	0.46

The correlation between GDX and COPX shifts across timeframes, from 0.46 (10 years) to 0.65 (1 year), reflecting how their relationship changes across market environments.

GDX vs. COPX - Sectors Allocation Comparison

Sectors	GDX	COPX
Basic Materials	100.0%	96.3%
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Healthcare	-	-
Industrials	-	3.7%
Real Estate	-	-
Technology	-	-
Utilities	-	-

Return for Risk

GDX vs. COPX — Risk / Return Rank

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

GDX

GDX Risk / Return Rank: 35
GDX Sharpe Ratio Rank: 37
GDX Sortino Ratio Rank: 32
GDX Omega Ratio Rank: 36
GDX Calmar Ratio Rank: 39
GDX Martin Ratio Rank: 33

COPX

COPX Risk / Return Rank: 75
COPX Sharpe Ratio Rank: 86
COPX Sortino Ratio Rank: 67
COPX Omega Ratio Rank: 67
COPX Calmar Ratio Rank: 82
COPX Martin Ratio Rank: 73

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.

GDX vs. COPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VanEck Gold Miners ETF (GDX) 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.

	GDX	COPX	Difference
Sharpe ratio: Return per unit of total volatility	1.35	2.93	-1.58
Sortino ratio: Return per unit of downside risk	1.76	3.17	-1.41
Omega ratio: Gain probability vs. loss probability	1.25	1.42	-0.17
Calmar ratio: Return relative to maximum drawdown	2.00	4.37	-2.37
Martin ratio: Return relative to average drawdown	5.13	14.00	-8.88
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GDX vs. COPX - Sharpe Ratio Comparison

The current GDX Sharpe Ratio is 1.35, which is lower than the COPX Sharpe Ratio of 2.93. The chart below compares the historical Sharpe Ratios of GDX and COPX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	GDX	COPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.35	2.93	-1.58
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.55	-0.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.38	0.62	-0.24
Sharpe Ratio (All Time) Calculated using the full available price history	0.13	0.19	-0.06

Drawdowns

GDX vs. COPX - Drawdown Comparison

The maximum GDX drawdown since its inception was -80.34%, roughly equal to the maximum COPX drawdown of -83.16%. Use the drawdown chart below to compare losses from any high point for GDX and COPX.

Drawdown Indicators

	GDX	COPX	Difference
Max Drawdown Largest peak-to-trough decline	-80.34%	-83.16%	+2.82%
Max Drawdown (1Y) Largest decline over 1 year	-30.84%	-27.82%	-3.02%
Max Drawdown (3Y) Largest decline over 3 years	-30.84%	-39.72%	+8.88%
Max Drawdown (5Y) Largest decline over 5 years	-46.51%	-42.12%	-4.39%
Max Drawdown (10Y) Largest decline over 10 years	-49.79%	-65.41%	+15.62%
Current Drawdown Current decline from peak	-26.62%	-5.69%	-20.93%
Average Drawdown Average peak-to-trough decline	-40.43%	-39.30%	-1.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.99%	8.66%	+3.33%

Volatility

GDX vs. COPX - Volatility Comparison

VanEck Gold Miners ETF (GDX) and Global X Copper Miners ETF (COPX) have volatilities of 15.40% and 15.38%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GDX	COPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.40%	15.38%	+0.02%
Volatility (6M) Calculated over the trailing 6-month period	37.50%	35.68%	+1.82%
Volatility (1Y) Calculated over the trailing 1-year period	45.49%	41.41%	+4.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.39%	36.51%	-0.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	37.18%	35.55%	+1.63%

GDX vs. COPX - Expense Ratio Comparison

GDX has a 0.51% expense ratio, which is lower than COPX's 0.65% expense ratio.

Dividends

GDX vs. COPX - Dividend Comparison

GDX's dividend yield for the trailing twelve months is around 0.74%, 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%
GDX VanEck Gold Miners ETF	0.74%	0.74%	1.19%	1.61%	1.66%	1.67%	0.53%	0.67%	0.50%	0.76%	0.26%	0.85%

Frequently Asked Questions

Can I hold both GDX and COPX in my portfolio?

GDX and COPX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GDX or COPX?

GDX has higher volatility (15.40%) compared to COPX (15.38%). In terms of maximum drawdown, GDX dropped -80.34% vs COPX's -83.16%.

Which ETF is better, GDX or COPX?

On 10-year performance, COPX leads with 21.95% vs 13.98% for GDX. On fees, GDX is cheaper at 0.51% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GDX or COPX?

Over the 10-year period, COPX has performed better with a 21.95% return vs 13.98%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GDX or COPX?

GDX is cheaper with a 0.51% expense ratio, compared with 0.65% for COPX.

Which ETF pays a higher dividend yield, GDX or COPX?

COPX has the higher dividend yield at 2.13%, compared with 0.74% for GDX.

What is the main difference between GDX and COPX?

GDX is categorized as Gold, while COPX is Materials. GDX tracks NYSE MarketVector Global Gold Miners 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: 0.51% for GDX and 0.65% for COPX.

Which has better risk-adjusted returns?

COPX currently has the higher Sharpe Ratio (2.93 vs 1.35), 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.