RENG.L vs. GLGG.L

Last updated Jun 4, 2026

RENG.L (L&G Clean Energy UCITS ETF) and GLGG.L (L&G Clean Water UCITS ETF) are both exchange-traded funds - RENG.L is a Energy Equities fund tracking the S&P Global Clean Energy TR USD, while GLGG.L is a Water Equities fund tracking the S&P Global Water TR. Both are passively managed. Over the past 5 years, RENG.L returned 9.68%/yr vs 6.55%/yr for GLGG.L. A 0.60 correlation means they provide meaningful diversification when combined. Both charge a 0.49% expense ratio.

Performance

RENG.L vs. GLGG.L - Performance Comparison

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

Returns By Period

In the year-to-date period, RENG.L achieves a 44.46% return, which is significantly higher than GLGG.L's 1.61% return.

RENG.L

• 1D: -0.30%
• 1M: 8.19%
• YTD: 44.46%
• 6M: 43.89%
• 1Y: 89.37%
• 3Y*: 16.55%
• 5Y*: 9.68%
• 10Y*: —

GLGG.L

• 1D: 0.42%
• 1M: -0.40%
• YTD: 1.61%
• 6M: 1.00%
• 1Y: 9.77%
• 3Y*: 8.25%
• 5Y*: 6.55%
• 10Y*: —

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

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

	2026 (YTD)	2025	2024	2023	2022	2021	2020
RENG.L L&G Clean Energy UCITS ETF	44.46%	40.21%	-12.86%	-13.13%	2.03%	-6.20%	19.80%
GLGG.L L&G Clean Water UCITS ETF	1.61%	7.81%	5.74%	14.58%	-7.49%	27.84%	5.16%

Correlation

The correlation between RENG.L and GLGG.L is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.45
Correlation (3Y) Calculated over the trailing 3-year period	0.56
Correlation (5Y) Calculated over the trailing 5-year period	0.61
Correlation (All Time) Calculated using the full available price history since Nov 12, 2020	0.60

The correlation between RENG.L and GLGG.L shifts across timeframes, from 0.45 (1 year) to 0.61 (5 years), reflecting how their relationship changes across market environments.

RENG.L vs. GLGG.L - Sectors Allocation Comparison

Sectors	RENG.L	GLGG.L
Industrials	49.4%	65.2%
Technology	23.8%	6.4%
Utilities	22.3%	15.8%
Consumer Cyclical	3.0%	-
Energy	1.6%	-
Basic Materials	-	9.0%
Communication Services	-	-
Consumer Defensive	-	1.7%
Financial Services	-	-
Healthcare	-	1.9%
Real Estate	-	-

Return for Risk

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

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

RENG.L

RENG.L Risk / Return Rank: 95
RENG.L Sharpe Ratio Rank: 95
RENG.L Sortino Ratio Rank: 93
RENG.L Omega Ratio Rank: 92
RENG.L Calmar Ratio Rank: 96
RENG.L Martin Ratio Rank: 96

GLGG.L

GLGG.L Risk / Return Rank: 20
GLGG.L Sharpe Ratio Rank: 21
GLGG.L Sortino Ratio Rank: 20
GLGG.L Omega Ratio Rank: 19
GLGG.L Calmar Ratio Rank: 20
GLGG.L Martin Ratio Rank: 19

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.

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

This table presents a comparison of risk-adjusted performance metrics for L&G Clean Energy UCITS ETF (RENG.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.

	RENG.L	GLGG.L	Difference
Sharpe ratio: Return per unit of total volatility	4.01	0.71	+3.30
Sortino ratio: Return per unit of downside risk	4.67	1.05	+3.62
Omega ratio: Gain probability vs. loss probability	1.63	1.13	+0.50
Calmar ratio: Return relative to maximum drawdown	10.06	0.84	+9.22
Martin ratio: Return relative to average drawdown	35.59	2.12	+33.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

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

The current RENG.L Sharpe Ratio is 4.01, which is higher than the GLGG.L Sharpe Ratio of 0.71. The chart below compares the historical Sharpe Ratios of RENG.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

	RENG.L	GLGG.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.01	0.71	+3.30
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.45	0.44	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.58	-0.10

Drawdowns

RENG.L vs. GLGG.L - Drawdown Comparison

The maximum RENG.L drawdown since its inception was -45.48%, 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 RENG.L and GLGG.L.

Drawdown Indicators

	RENG.L	GLGG.L	Difference
Max Drawdown Largest peak-to-trough decline	-45.48%	-27.08%	-18.40%
Max Drawdown (1Y) Largest decline over 1 year	-8.84%	-11.62%	+2.78%
Max Drawdown (3Y) Largest decline over 3 years	-33.95%	-16.35%	-17.60%
Max Drawdown (5Y) Largest decline over 5 years	-40.27%	-18.82%	-21.45%
Current Drawdown Current decline from peak	-1.79%	-8.91%	+7.12%
Average Drawdown Average peak-to-trough decline	-20.65%	-5.13%	-15.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.50%	4.60%	-2.10%

Volatility

RENG.L vs. GLGG.L - Volatility Comparison

L&G Clean Energy UCITS ETF (RENG.L) has a higher volatility of 8.17% compared to L&G Clean Water UCITS ETF (GLGG.L) at 4.44%. This indicates that RENG.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

	RENG.L	GLGG.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.17%	4.44%	+3.73%
Volatility (6M) Calculated over the trailing 6-month period	15.75%	11.09%	+4.66%
Volatility (1Y) Calculated over the trailing 1-year period	22.23%	13.79%	+8.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.71%	15.04%	+6.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.30%	17.69%	+4.61%

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

Both RENG.L and GLGG.L have an expense ratio of 0.49%.

Dividends

RENG.L vs. GLGG.L - Dividend Comparison

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

Tickers have no history of dividend payments

Frequently Asked Questions

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

RENG.L and GLGG.L have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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

Both ETFs have the same 0.49% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

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

RENG.L and GLGG.L have the same expense ratio: 0.49% per year.

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

RENG.L is categorized as Energy Equities, while GLGG.L is Water Equities. RENG.L tracks S&P Global Clean Energy TR USD, while GLGG.L tracks S&P Global Water TR.