ZCBB vs. COPX

Last updated Jun 6, 2026

ZCBB (Global X Zero Coupon Bond 2031 ETF) and COPX (Global X Copper Miners ETF) are both exchange-traded funds - ZCBB is a Government Bonds fund tracking the FTSE Zero Coupon U.S. Treasury STRIPS 2031 Maturity Index, while COPX is a Materials fund tracking the Solactive Global Copper Miners Total Return Index. Both are passively managed. At a 0.44 correlation, their price movements are largely independent. ZCBB charges 0.07%/yr vs 0.65%/yr for COPX.

Performance

ZCBB vs. COPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X Zero Coupon Bond 2031 ETF (ZCBB) and Global X Copper Miners ETF (COPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

ZCBB

• 1D: -0.46%
• 1M: -1.07%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

COPX

• 1D: -10.62%
• 1M: -3.51%
• YTD: 12.33%
• 6M: 21.35%
• 1Y: 91.56%
• 3Y*: 32.23%
• 5Y*: 17.20%
• 10Y*: 20.17%

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

ZCBB vs. COPX - Yearly Performance Comparison

	2026 (YTD)
ZCBB Global X Zero Coupon Bond 2031 ETF	-0.80%
COPX Global X Copper Miners ETF	6.25%

Correlation

The correlation between ZCBB and COPX is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jan 8, 2026	0.44

Return for Risk

ZCBB vs. COPX — Risk / Return Rank

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

COPX

COPX Risk / Return Rank: 60
COPX Sharpe Ratio Rank: 66
COPX Sortino Ratio Rank: 52
COPX Omega Ratio Rank: 55
COPX Calmar Ratio Rank: 68
COPX Martin Ratio Rank: 60

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.

ZCBB vs. COPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X Zero Coupon Bond 2031 ETF (ZCBB) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	ZCBB	COPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.15	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.47	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.57	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.51	0.17	-0.68

Drawdowns

ZCBB vs. COPX - Drawdown Comparison

The maximum ZCBB drawdown since its inception was -3.05%, smaller than the maximum COPX drawdown of -83.16%. Use the drawdown chart below to compare losses from any high point for ZCBB and COPX.

Drawdown Indicators

	ZCBB	COPX	Difference
Max Drawdown Largest peak-to-trough decline	-3.05%	-83.16%	+80.11%
Max Drawdown (1Y) Largest decline over 1 year	—	-27.82%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-39.72%	—
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	-2.65%	-15.74%	+13.09%
Average Drawdown Average peak-to-trough decline	-1.25%	-39.29%	+38.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	8.72%	—

Volatility

Volatility by Period

	ZCBB	COPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	18.20%	—
Volatility (6M) Calculated over the trailing 6-month period	—	37.26%	—
Volatility (1Y) Calculated over the trailing 1-year period	3.87%	42.83%	-38.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.87%	36.80%	-32.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.87%	35.68%	-31.81%

ZCBB vs. COPX - Expense Ratio Comparison

ZCBB has a 0.07% expense ratio, which is lower than COPX's 0.65% expense ratio.

Dividends

ZCBB vs. COPX - Dividend Comparison

ZCBB's dividend yield for the trailing twelve months is around 1.56%, less than COPX's 2.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COPX Global X Copper Miners ETF	2.38%	2.68%	1.80%	2.39%	3.14%	1.48%	1.30%	1.37%	2.59%	1.57%	0.60%	1.20%
ZCBB Global X Zero Coupon Bond 2031 ETF	1.56%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ZCBB and COPX in my portfolio?

ZCBB and COPX have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ZCBB or COPX?

On fees, ZCBB is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ZCBB or COPX?

ZCBB is cheaper with a 0.07% expense ratio, compared with 0.65% for COPX.

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

COPX has the higher dividend yield at 2.38%, compared with 1.56% for ZCBB.

What is the main difference between ZCBB and COPX?

ZCBB is categorized as Government Bonds, while COPX is Materials. ZCBB tracks FTSE Zero Coupon U.S. Treasury STRIPS 2031 Maturity Index, while COPX tracks Solactive Global Copper Miners Total Return Index. Their fees differ too: 0.07% for ZCBB and 0.65% for COPX.