COPX vs. QTUM

Last updated Jun 9, 2026

COPX (Global X Copper Miners ETF) and QTUM (Defiance Quantum ETF) are both exchange-traded funds - COPX is a Materials fund tracking the Solactive Global Copper Miners Total Return Index, while QTUM is a Technology Equities fund tracking the BlueStar Machine Learning and Quantum Computing Index. Both are passively managed. Over the past 5 years, COPX returned 18.13%/yr vs 27.81%/yr for QTUM. A 0.57 correlation means they provide meaningful diversification when combined. COPX charges 0.65%/yr vs 0.40%/yr for QTUM.

Performance

COPX vs. QTUM - Performance Comparison

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

Returns By Period

In the year-to-date period, COPX achieves a 13.23% return, which is significantly lower than QTUM's 44.14% return.

COPX

• 1D: 0.81%
• 1M: -5.44%
• YTD: 13.23%
• 6M: 23.36%
• 1Y: 93.73%
• 3Y*: 32.33%
• 5Y*: 18.13%
• 10Y*: 20.76%

QTUM

• 1D: 3.25%
• 1M: 8.85%
• YTD: 44.14%
• 6M: 39.20%
• 1Y: 80.80%
• 3Y*: 48.48%
• 5Y*: 27.81%
• 10Y*: —

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

COPX vs. QTUM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
COPX Global X Copper Miners ETF	13.23%	93.50%	3.57%	8.38%	-0.76%	23.39%	51.66%	12.48%	-9.41%
QTUM Defiance Quantum ETF	44.14%	36.65%	50.54%	39.86%	-28.80%	35.18%	42.05%	47.99%	-19.44%

Correlation

The correlation between COPX and QTUM is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.52
Correlation (5Y) Calculated over the trailing 5-year period	0.54
Correlation (All Time) Calculated using the full available price history since Sep 5, 2018	0.57

The correlation between COPX and QTUM has been stable across timeframes, ranging from 0.52 to 0.58 - a consistent structural relationship.

COPX vs. QTUM - Sectors Allocation Comparison

Sectors	COPX	QTUM
Basic Materials	96.3%	-
Industrials	3.7%	8.7%
Communication Services	-	4.9%
Consumer Cyclical	-	0.7%
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Healthcare	-	0.6%
Real Estate	-	-
Technology	-	85.1%
Utilities	-	-

Return for Risk

COPX vs. QTUM — Risk / Return Rank

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

COPX

COPX Risk / Return Rank: 67
COPX Sharpe Ratio Rank: 76
COPX Sortino Ratio Rank: 60
COPX Omega Ratio Rank: 62
COPX Calmar Ratio Rank: 74
COPX Martin Ratio Rank: 65

QTUM

QTUM Risk / Return Rank: 89
QTUM Sharpe Ratio Rank: 92
QTUM Sortino Ratio Rank: 84
QTUM Omega Ratio Rank: 85
QTUM Calmar Ratio Rank: 91
QTUM Martin Ratio Rank: 91

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.

COPX vs. QTUM - Risk-Adjusted Trends Comparison

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

	COPX	QTUM	Difference
Sharpe ratio: Return per unit of total volatility	2.20	2.94	-0.73
Sortino ratio: Return per unit of downside risk	2.54	3.42	-0.88
Omega ratio: Gain probability vs. loss probability	1.34	1.47	-0.13
Calmar ratio: Return relative to maximum drawdown	3.39	5.32	-1.94
Martin ratio: Return relative to average drawdown	10.72	19.76	-9.04
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COPX vs. QTUM - Sharpe Ratio Comparison

The current COPX Sharpe Ratio is 2.20, which is comparable to the QTUM Sharpe Ratio of 2.94. The chart below compares the historical Sharpe Ratios of COPX and QTUM, 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

	COPX	QTUM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.20	2.94	-0.73
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.50	1.04	-0.55
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.58	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.17	1.03	-0.86

Drawdowns

COPX vs. QTUM - Drawdown Comparison

The maximum COPX drawdown since its inception was -83.16%, which is greater than QTUM's maximum drawdown of -38.45%. Use the drawdown chart below to compare losses from any high point for COPX and QTUM.

Drawdown Indicators

	COPX	QTUM	Difference
Max Drawdown Largest peak-to-trough decline	-83.16%	-38.45%	-44.71%
Max Drawdown (1Y) Largest decline over 1 year	-27.82%	-15.26%	-12.56%
Max Drawdown (3Y) Largest decline over 3 years	-39.72%	-25.39%	-14.33%
Max Drawdown (5Y) Largest decline over 5 years	-42.12%	-38.45%	-3.67%
Max Drawdown (10Y) Largest decline over 10 years	-65.41%	—	—
Current Drawdown Current decline from peak	-15.06%	-6.53%	-8.53%
Average Drawdown Average peak-to-trough decline	-39.28%	-8.25%	-31.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.78%	4.10%	+4.68%

Volatility

COPX vs. QTUM - Volatility Comparison

Global X Copper Miners ETF (COPX) has a higher volatility of 18.19% compared to Defiance Quantum ETF (QTUM) at 13.41%. This indicates that COPX's price experiences larger fluctuations and is considered to be riskier than QTUM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COPX	QTUM	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.19%	13.41%	+4.78%
Volatility (6M) Calculated over the trailing 6-month period	37.27%	22.31%	+14.96%
Volatility (1Y) Calculated over the trailing 1-year period	42.89%	27.73%	+15.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.80%	26.85%	+9.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.68%	27.34%	+8.34%

COPX vs. QTUM - Expense Ratio Comparison

COPX has a 0.65% expense ratio, which is higher than QTUM's 0.40% expense ratio.

Dividends

COPX vs. QTUM - Dividend Comparison

COPX's dividend yield for the trailing twelve months is around 2.36%, more than QTUM's 0.74% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COPX Global X Copper Miners ETF	2.36%	2.68%	1.80%	2.39%	3.14%	1.48%	1.30%	1.37%	2.59%	1.57%	0.60%	1.20%
QTUM Defiance Quantum ETF	0.74%	1.01%	0.61%	0.81%	1.46%	0.48%	0.42%	0.61%	0.21%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both COPX and QTUM in my portfolio?

COPX and QTUM have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COPX or QTUM?

COPX has higher volatility (18.19%) compared to QTUM (13.41%). In terms of maximum drawdown, COPX dropped -83.16% vs QTUM's -38.45%.

Which ETF is better, COPX or QTUM?

On 5-year performance, QTUM leads with 27.81% vs 18.13% for COPX. On fees, QTUM is cheaper at 0.40% per year. On volatility, QTUM has been the lower-risk option at 13.41%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, COPX or QTUM?

Over the 5-year period, QTUM has performed better with a 27.81% return vs 18.13%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, COPX or QTUM?

QTUM is cheaper with a 0.40% expense ratio, compared with 0.65% for COPX.

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

COPX has the higher dividend yield at 2.36%, compared with 0.74% for QTUM.

What is the main difference between COPX and QTUM?

COPX is categorized as Materials, while QTUM is Technology Equities. COPX tracks Solactive Global Copper Miners Total Return Index, while QTUM tracks BlueStar Machine Learning and Quantum Computing Index. They also come from different issuers: Global X and Defiance. Their fees differ too: 0.65% for COPX and 0.40% for QTUM.

Which has better risk-adjusted returns?

QTUM currently has the higher Sharpe Ratio (2.94 vs 2.20), 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.