COPG.L vs. GLGG.L

Last updated Jun 5, 2026

COPG.L (Global X Copper Miners UCITS ETF USD Acc) and GLGG.L (L&G Clean Water UCITS ETF) are both exchange-traded funds - COPG.L is a Commodity Producers Equities fund tracking the Solactive Global Copper Miners Total Return Index, while GLGG.L is a Water Equities fund tracking the S&P Global Water TR. Both are passively managed. Over the past 3 years, COPG.L returned 34.51%/yr vs 8.33%/yr for GLGG.L. At a 0.40 correlation, their price movements are largely independent. COPG.L charges 0.65%/yr vs 0.49%/yr for GLGG.L.

Performance

COPG.L vs. GLGG.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in Global X Copper Miners UCITS ETF USD Acc (COPG.L) and L&G Clean Water UCITS ETF (GLGG.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

COPG.L is traded in GBP, while GLGG.L is traded in GBp. To make them comparable, the GLGG.L values have been converted to GBP using the latest available exchange rates.

Returns By Period

In the year-to-date period, COPG.L achieves a 24.91% return, which is significantly higher than GLGG.L's 2.12% return.

COPG.L

• 1D: -0.95%
• 1M: 15.82%
• YTD: 24.91%
• 6M: 35.76%
• 1Y: 119.81%
• 3Y*: 34.51%
• 5Y*: —
• 10Y*: —

GLGG.L

• 1D: 0.49%
• 1M: -0.96%
• YTD: 2.12%
• 6M: 1.19%
• 1Y: 9.96%
• 3Y*: 8.33%
• 5Y*: 6.66%
• 10Y*: —

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

COPG.L vs. GLGG.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
COPG.L Global X Copper Miners UCITS ETF USD Acc	24.91%	82.05%	3.66%	3.03%	14.35%	-1.92%
GLGG.L L&G Clean Water UCITS ETF	2.12%	7.81%	5.74%	14.58%	-7.49%	0.26%

Correlation

The correlation between COPG.L and GLGG.L is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.28
Correlation (3Y) Calculated over the trailing 3-year period	0.38
Correlation (All Time) Calculated using the full available price history since Dec 13, 2021	0.40

The correlation between COPG.L and GLGG.L shifts across timeframes, from 0.28 (1 year) to 0.40 (all time), reflecting how their relationship changes across market environments.

Return for Risk

COPG.L vs. GLGG.L — Risk / Return Rank

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

COPG.L

COPG.L Risk / Return Rank: 82
COPG.L Sharpe Ratio Rank: 91
COPG.L Sortino Ratio Rank: 81
COPG.L Omega Ratio Rank: 76
COPG.L Calmar Ratio Rank: 84
COPG.L Martin Ratio Rank: 77

GLGG.L

GLGG.L Risk / Return Rank: 21
GLGG.L Sharpe Ratio Rank: 22
GLGG.L Sortino Ratio Rank: 21
GLGG.L Omega Ratio Rank: 21
GLGG.L Calmar Ratio Rank: 20
GLGG.L Martin Ratio Rank: 20

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.

COPG.L vs. GLGG.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X Copper Miners UCITS ETF USD Acc (COPG.L) and L&G Clean Water UCITS ETF (GLGG.L). 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.

	COPG.L	GLGG.L	Difference
Sharpe ratio: Return per unit of total volatility	3.14	0.72	+2.42
Sortino ratio: Return per unit of downside risk	3.58	1.07	+2.51
Omega ratio: Gain probability vs. loss probability	1.44	1.13	+0.31
Calmar ratio: Return relative to maximum drawdown	4.53	0.85	+3.68
Martin ratio: Return relative to average drawdown	14.57	2.15	+12.42
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COPG.L vs. GLGG.L - Sharpe Ratio Comparison

The current COPG.L Sharpe Ratio is 3.14, which is higher than the GLGG.L Sharpe Ratio of 0.72. The chart below compares the historical Sharpe Ratios of COPG.L and GLGG.L, 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

	COPG.L	GLGG.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.14	0.72	+2.42
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.44	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.77	0.58	+0.18

Drawdowns

COPG.L vs. GLGG.L - Drawdown Comparison

The maximum COPG.L drawdown since its inception was -38.84%, which is greater than GLGG.L's maximum drawdown of -27.08%. Use the drawdown chart below to compare losses from any high point for COPG.L and GLGG.L.

Drawdown Indicators

	COPG.L	GLGG.L	Difference
Max Drawdown Largest peak-to-trough decline	-38.84%	-27.08%	-11.76%
Max Drawdown (1Y) Largest decline over 1 year	-26.29%	-11.62%	-14.67%
Max Drawdown (3Y) Largest decline over 3 years	-38.84%	-16.35%	-22.49%
Max Drawdown (5Y) Largest decline over 5 years	—	-18.82%	—
Current Drawdown Current decline from peak	-5.64%	-8.46%	+2.82%
Average Drawdown Average peak-to-trough decline	-13.96%	-5.14%	-8.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.19%	4.63%	+3.56%

Volatility

COPG.L vs. GLGG.L - Volatility Comparison

Global X Copper Miners UCITS ETF USD Acc (COPG.L) has a higher volatility of 14.11% compared to L&G Clean Water UCITS ETF (GLGG.L) at 4.33%. This indicates that COPG.L's price experiences larger fluctuations and is considered to be riskier than GLGG.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COPG.L	GLGG.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.11%	4.33%	+9.78%
Volatility (6M) Calculated over the trailing 6-month period	32.19%	11.10%	+21.09%
Volatility (1Y) Calculated over the trailing 1-year period	37.96%	13.76%	+24.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.82%	15.04%	+18.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.82%	17.68%	+16.14%

COPG.L vs. GLGG.L - Expense Ratio Comparison

COPG.L has a 0.65% expense ratio, which is higher than GLGG.L's 0.49% expense ratio.

Dividends

COPG.L vs. GLGG.L - Dividend Comparison

Neither COPG.L nor GLGG.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both COPG.L and GLGG.L in my portfolio?

COPG.L and GLGG.L have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, COPG.L or GLGG.L?

On fees, GLGG.L is cheaper at 0.49% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, COPG.L or GLGG.L?

GLGG.L is cheaper with a 0.49% expense ratio, compared with 0.65% for COPG.L.

What is the main difference between COPG.L and GLGG.L?

COPG.L is categorized as Commodity Producers Equities, while GLGG.L is Water Equities. COPG.L tracks Solactive Global Copper Miners Total Return Index, while GLGG.L tracks S&P Global Water TR. They also come from different issuers: Global X and Legal & General. Their fees differ too: 0.65% for COPG.L and 0.49% for GLGG.L.