NFRA vs. COPX

Last updated Jun 23, 2026

NFRA (FlexShares STOXX Global Broad Infrastructure Index Fund) and COPX (Global X Copper Miners ETF) are both exchange-traded funds - NFRA is a Utilities Equities fund tracking the STOXX Global Broad Infrastructure Index, while COPX is a Copper fund tracking the Solactive Global Copper Miners Total Return Index. Both are passively managed. Over the past 10 years, NFRA returned 7.32%/yr vs 21.61%/yr for COPX. A 0.53 correlation means they provide meaningful diversification when combined. NFRA charges 0.47%/yr vs 0.65%/yr for COPX.

Performance

NFRA vs. COPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FlexShares STOXX Global Broad Infrastructure Index Fund (NFRA) 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, NFRA achieves a 7.65% return, which is significantly lower than COPX's 18.25% return. Over the past 10 years, NFRA has underperformed COPX with an annualized return of 7.32%, while COPX has yielded a comparatively higher 21.61% annualized return.

NFRA

• 1D: -0.19%
• 1M: -2.02%
• YTD: 7.65%
• 6M: 8.49%
• 1Y: 13.52%
• 3Y*: 12.38%
• 5Y*: 5.77%
• 10Y*: 7.32%

COPX

• 1D: -0.69%
• 1M: 1.85%
• YTD: 18.25%
• 6M: 19.75%
• 1Y: 108.10%
• 3Y*: 34.51%
• 5Y*: 20.78%
• 10Y*: 21.61%

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

NFRA vs. COPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NFRA FlexShares STOXX Global Broad Infrastructure Index Fund	7.65%	18.42%	4.76%	8.96%	-10.11%	9.61%	2.24%	26.27%	-7.74%	15.92%
COPX Global X Copper Miners ETF	18.25%	93.50%	3.57%	8.38%	-0.76%	23.39%	51.66%	12.48%	-31.31%	38.92%

Correlation

The correlation between NFRA and COPX is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (3Y) Calculated over the trailing 3-year period	0.48
Correlation (5Y) Calculated over the trailing 5-year period	0.53
Correlation (10Y) Calculated over the trailing 10-year period	0.51
Correlation (All Time) Calculated using the full available price history since Oct 9, 2013	0.53

The correlation between NFRA and COPX has been stable across timeframes, ranging from 0.48 to 0.53 - a consistent structural relationship.

NFRA vs. COPX - Sectors Allocation Comparison

Sectors	NFRA	COPX
Industrials	26.8%	3.3%
Utilities	24.7%	-
Communication Services	20.5%	-
Energy	11.7%	-
Real Estate	4.7%	-
Healthcare	4.1%	-
Technology	1.6%	-
Financial Services	0.7%	-
Consumer Cyclical	0.3%	-
Consumer Defensive	0.1%	-
Basic Materials	-	96.7%

Return for Risk

NFRA vs. COPX — Risk / Return Rank

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

NFRA

NFRA Risk / Return Rank: 37
NFRA Sharpe Ratio Rank: 38
NFRA Sortino Ratio Rank: 36
NFRA Omega Ratio Rank: 36
NFRA Calmar Ratio Rank: 38
NFRA Martin Ratio Rank: 38

COPX

COPX Risk / Return Rank: 70
COPX Sharpe Ratio Rank: 81
COPX Sortino Ratio Rank: 61
COPX Omega Ratio Rank: 63
COPX Calmar Ratio Rank: 78
COPX Martin Ratio Rank: 67

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.

NFRA vs. COPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FlexShares STOXX Global Broad Infrastructure Index Fund (NFRA) 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.

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.

	NFRA	COPX	Difference
Sharpe ratio: Return per unit of total volatility	1.29	2.48	-1.18
Sortino ratio: Return per unit of downside risk	1.86	2.77	-0.91
Omega ratio: Gain probability vs. loss probability	1.23	1.37	-0.14
Calmar ratio: Return relative to maximum drawdown	1.86	3.91	-2.04
Martin ratio: Return relative to average drawdown	5.79	11.97	-6.18

NFRA vs. COPX - Sharpe Ratio Comparison

The current NFRA Sharpe Ratio is 1.29, which is lower than the COPX Sharpe Ratio of 2.48. The chart below compares the historical Sharpe Ratios of NFRA 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.

Drawdowns

NFRA vs. COPX - Drawdown Comparison

The maximum NFRA drawdown since its inception was -32.49%, smaller than the maximum COPX drawdown of -83.16%. Use the drawdown chart below to compare losses from any high point for NFRA and COPX.

Drawdown Indicators

	NFRA	COPX	Difference
Max Drawdown Largest peak-to-trough decline	-32.49%	-83.16%	+50.67%
Max Drawdown (1Y) Largest decline over 1 year	-7.28%	-27.82%	+20.54%
Max Drawdown (3Y) Largest decline over 3 years	-11.15%	-39.72%	+28.57%
Max Drawdown (5Y) Largest decline over 5 years	-22.75%	-42.12%	+19.37%
Max Drawdown (10Y) Largest decline over 10 years	-32.49%	-65.41%	+32.92%
Current Drawdown Current decline from peak	-3.30%	-11.30%	+8.00%
Average Drawdown Average peak-to-trough decline	-4.52%	-39.24%	+34.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.34%	9.06%	-6.72%

Volatility

NFRA vs. COPX - Volatility Comparison

The current volatility for FlexShares STOXX Global Broad Infrastructure Index Fund (NFRA) is 3.13%, while Global X Copper Miners ETF (COPX) has a volatility of 17.85%. This indicates that NFRA experiences smaller price fluctuations and is considered to be less risky than COPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NFRA	COPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.13%	17.85%	-14.72%
Volatility (6M) Calculated over the trailing 6-month period	8.47%	38.53%	-30.06%
Volatility (1Y) Calculated over the trailing 1-year period	10.51%	44.00%	-33.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.98%	36.93%	-23.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.97%	35.76%	-20.79%

NFRA vs. COPX - Expense Ratio Comparison

NFRA has a 0.47% expense ratio, which is lower than COPX's 0.65% expense ratio.

Dividends

NFRA vs. COPX - Dividend Comparison

NFRA's dividend yield for the trailing twelve months is around 5.75%, more than COPX's 2.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COPX Global X Copper Miners ETF	2.26%	2.68%	1.80%	2.39%	3.14%	1.48%	1.30%	1.37%	2.59%	1.57%	0.60%	1.20%
NFRA FlexShares STOXX Global Broad Infrastructure Index Fund	5.75%	6.00%	3.33%	2.57%	2.28%	2.71%	2.22%	2.27%	3.06%	2.81%	2.98%	2.47%

Frequently Asked Questions

Can I hold both NFRA and COPX in my portfolio?

NFRA and COPX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NFRA or COPX?

COPX has higher volatility (17.85%) compared to NFRA (3.13%). In terms of maximum drawdown, NFRA dropped -32.49% vs COPX's -83.16%.

Which ETF is better, NFRA or COPX?

On 10-year performance, COPX leads with 21.61% vs 7.32% for NFRA. On fees, NFRA is cheaper at 0.47% per year. On volatility, NFRA has been the lower-risk option at 3.13%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, NFRA or COPX?

Over the 10-year period, COPX has performed better with a 21.61% return vs 7.32%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, NFRA or COPX?

NFRA is cheaper with a 0.47% expense ratio, compared with 0.65% for COPX.

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

NFRA has the higher dividend yield at 5.75%, compared with 2.26% for COPX.

What is the main difference between NFRA and COPX?

NFRA is categorized as Utilities Equities, while COPX is Copper. NFRA tracks STOXX Global Broad Infrastructure Index, while COPX tracks Solactive Global Copper Miners Total Return Index. They also come from different issuers: FlexShares and Global X. Their fees differ too: 0.47% for NFRA and 0.65% for COPX.

Which has better risk-adjusted returns?

COPX currently has the higher Sharpe Ratio (2.48 vs 1.29), 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.