ZCBF vs. COPX

Last updated Jun 6, 2026

ZCBF (Global X Zero Coupon Bond 2034 ETF) and COPX (Global X Copper Miners ETF) are both exchange-traded funds - ZCBF is a Government Bonds fund tracking the FTSE Zero Coupon U.S. Treasury STRIPS 2034 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. ZCBF charges 0.07%/yr vs 0.65%/yr for COPX.

Performance

ZCBF vs. COPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X Zero Coupon Bond 2034 ETF (ZCBF) and Global X Copper Miners ETF (COPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

ZCBF

• 1D: -0.59%
• 1M: -1.29%
• 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)

ZCBF vs. COPX - Yearly Performance Comparison

	2026 (YTD)
ZCBF Global X Zero Coupon Bond 2034 ETF	-1.01%
COPX Global X Copper Miners ETF	6.25%

Correlation

The correlation between ZCBF 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

ZCBF 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.

ZCBF vs. COPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X Zero Coupon Bond 2034 ETF (ZCBF) 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

	ZCBF	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	-0.42	0.17	-0.59

Drawdowns

ZCBF vs. COPX - Drawdown Comparison

The maximum ZCBF drawdown since its inception was -4.66%, smaller than the maximum COPX drawdown of -83.16%. Use the drawdown chart below to compare losses from any high point for ZCBF and COPX.

Drawdown Indicators

	ZCBF	COPX	Difference
Max Drawdown Largest peak-to-trough decline	-4.66%	-83.16%	+78.50%
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	-3.67%	-15.74%	+12.07%
Average Drawdown Average peak-to-trough decline	-1.85%	-39.29%	+37.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	8.72%	—

Volatility

Volatility by Period

	ZCBF	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	5.78%	42.83%	-37.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.78%	36.80%	-31.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.78%	35.68%	-29.90%

ZCBF vs. COPX - Expense Ratio Comparison

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

Dividends

ZCBF vs. COPX - Dividend Comparison

ZCBF's dividend yield for the trailing twelve months is around 1.70%, 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%
ZCBF Global X Zero Coupon Bond 2034 ETF	1.70%	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 ZCBF and COPX in my portfolio?

ZCBF 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, ZCBF or COPX?

On fees, ZCBF 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, ZCBF or COPX?

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

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

COPX has the higher dividend yield at 2.38%, compared with 1.70% for ZCBF.

What is the main difference between ZCBF and COPX?

ZCBF is categorized as Government Bonds, while COPX is Materials. ZCBF tracks FTSE Zero Coupon U.S. Treasury STRIPS 2034 Maturity Index, while COPX tracks Solactive Global Copper Miners Total Return Index. Their fees differ too: 0.07% for ZCBF and 0.65% for COPX.