RNRG vs. CTEC

Last updated Jun 4, 2026

RNRG (Global X Funds Global X Renewable Energy Producers ETF) and CTEC (Global X CleanTech ETF) are both Alternative Energy Equities funds from Global X - RNRG tracks the Indxx Renewable Energy Producers Index while CTEC tracks the Indxx Global CleanTech Index. Both are passively managed. Over the past 5 years, RNRG returned -2.70%/yr vs -3.59%/yr for CTEC. A 0.68 correlation means they provide meaningful diversification when combined. RNRG charges 0.65%/yr vs 0.50%/yr for CTEC.

Performance

RNRG vs. CTEC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X Funds Global X Renewable Energy Producers ETF (RNRG) and Global X CleanTech ETF (CTEC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RNRG achieves a 17.66% return, which is significantly lower than CTEC's 42.98% return.

RNRG

• 1D: -1.39%
• 1M: 0.86%
• YTD: 17.66%
• 6M: 17.51%
• 1Y: 42.65%
• 3Y*: 4.44%
• 5Y*: -2.70%
• 10Y*: 4.47%

CTEC

• 1D: -2.79%
• 1M: 11.16%
• YTD: 42.98%
• 6M: 39.64%
• 1Y: 130.98%
• 3Y*: 2.15%
• 5Y*: -3.59%
• 10Y*: —

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

RNRG vs. CTEC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
RNRG Global X Funds Global X Renewable Energy Producers ETF	17.66%	29.61%	-22.00%	-12.82%	-15.30%	-12.78%	22.97%
CTEC Global X CleanTech ETF	42.98%	57.85%	-36.35%	-25.60%	-16.82%	-22.19%	47.46%

Correlation

The correlation between RNRG and CTEC is 0.56, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.56
Correlation (3Y) Calculated over the trailing 3-year period	0.62
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (All Time) Calculated using the full available price history since Oct 30, 2020	0.68

The correlation between RNRG and CTEC shifts across timeframes, from 0.56 (1 year) to 0.68 (all time), reflecting how their relationship changes across market environments.

RNRG vs. CTEC - Sectors Allocation Comparison

Sectors	RNRG	CTEC
Utilities	92.8%	1.9%
Industrials	3.0%	47.5%
Technology	2.2%	12.6%
Basic Materials	2.1%	3.4%
Communication Services	-	-
Consumer Cyclical	-	3.4%
Consumer Defensive	-	-
Energy	-	24.0%
Financial Services	-	-
Healthcare	-	-
Real Estate	-	-

Return for Risk

RNRG vs. CTEC — Risk / Return Rank

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

RNRG

RNRG Risk / Return Rank: 84
RNRG Sharpe Ratio Rank: 83
RNRG Sortino Ratio Rank: 79
RNRG Omega Ratio Rank: 75
RNRG Calmar Ratio Rank: 94
RNRG Martin Ratio Rank: 89

CTEC

CTEC Risk / Return Rank: 90
CTEC Sharpe Ratio Rank: 94
CTEC Sortino Ratio Rank: 89
CTEC Omega Ratio Rank: 84
CTEC Calmar Ratio Rank: 94
CTEC Martin Ratio Rank: 88

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.

RNRG vs. CTEC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X Funds Global X Renewable Energy Producers ETF (RNRG) and Global X CleanTech ETF (CTEC). 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.

	RNRG	CTEC	Difference
Sharpe ratio: Return per unit of total volatility	2.72	3.77	-1.05
Sortino ratio: Return per unit of downside risk	3.58	4.13	-0.55
Omega ratio: Gain probability vs. loss probability	1.45	1.52	-0.07
Calmar ratio: Return relative to maximum drawdown	7.20	7.48	-0.27
Martin ratio: Return relative to average drawdown	19.98	19.45	+0.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RNRG vs. CTEC - Sharpe Ratio Comparison

The current RNRG Sharpe Ratio is 2.72, which is comparable to the CTEC Sharpe Ratio of 3.77. The chart below compares the historical Sharpe Ratios of RNRG and CTEC, 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

	RNRG	CTEC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.72	3.77	-1.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.13	-0.10	-0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.23	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.07	0.01	+0.06

Drawdowns

RNRG vs. CTEC - Drawdown Comparison

The maximum RNRG drawdown since its inception was -58.79%, smaller than the maximum CTEC drawdown of -81.58%. Use the drawdown chart below to compare losses from any high point for RNRG and CTEC.

Drawdown Indicators

	RNRG	CTEC	Difference
Max Drawdown Largest peak-to-trough decline	-58.79%	-81.58%	+22.79%
Max Drawdown (1Y) Largest decline over 1 year	-5.95%	-17.62%	+11.67%
Max Drawdown (3Y) Largest decline over 3 years	-35.23%	-65.77%	+30.54%
Max Drawdown (5Y) Largest decline over 5 years	-52.17%	-76.46%	+24.29%
Max Drawdown (10Y) Largest decline over 10 years	-58.79%	—	—
Current Drawdown Current decline from peak	-30.37%	-45.76%	+15.39%
Average Drawdown Average peak-to-trough decline	-24.45%	-52.39%	+27.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.14%	6.76%	-4.62%

Volatility

RNRG vs. CTEC - Volatility Comparison

The current volatility for Global X Funds Global X Renewable Energy Producers ETF (RNRG) is 5.55%, while Global X CleanTech ETF (CTEC) has a volatility of 11.34%. This indicates that RNRG experiences smaller price fluctuations and is considered to be less risky than CTEC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RNRG	CTEC	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.55%	11.34%	-5.79%
Volatility (6M) Calculated over the trailing 6-month period	12.10%	23.75%	-11.65%
Volatility (1Y) Calculated over the trailing 1-year period	15.77%	34.94%	-19.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.10%	36.39%	-16.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.67%	37.77%	-18.10%

RNRG vs. CTEC - Expense Ratio Comparison

RNRG has a 0.65% expense ratio, which is higher than CTEC's 0.50% expense ratio.

Dividends

RNRG vs. CTEC - Dividend Comparison

RNRG's dividend yield for the trailing twelve months is around 1.28%, more than CTEC's 0.52% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CTEC Global X CleanTech ETF	0.52%	0.75%	1.56%	0.51%	0.25%	0.39%	0.02%	0.00%	0.00%	0.00%	0.00%	0.00%
RNRG Global X Funds Global X Renewable Energy Producers ETF	1.28%	1.50%	1.48%	1.44%	1.15%	1.10%	3.16%	2.97%	5.22%	4.14%	5.02%	3.48%

Frequently Asked Questions

Can I hold both RNRG and CTEC in my portfolio?

RNRG and CTEC have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RNRG or CTEC?

CTEC has higher volatility (11.34%) compared to RNRG (5.55%). In terms of maximum drawdown, RNRG dropped -58.79% vs CTEC's -81.58%.

Which ETF is better, RNRG or CTEC?

On 5-year performance, RNRG leads with -2.70% vs -3.59% for CTEC. On fees, CTEC is cheaper at 0.50% per year. On volatility, RNRG has been the lower-risk option at 5.55%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RNRG or CTEC?

Over the 5-year period, RNRG has performed better with a -2.70% return vs -3.59%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RNRG or CTEC?

CTEC is cheaper with a 0.50% expense ratio, compared with 0.65% for RNRG.

Which ETF pays a higher dividend yield, RNRG or CTEC?

RNRG has the higher dividend yield at 1.28%, compared with 0.52% for CTEC.

What is the main difference between RNRG and CTEC?

RNRG tracks Indxx Renewable Energy Producers Index, while CTEC tracks Indxx Global CleanTech Index. Their fees differ too: 0.65% for RNRG and 0.50% for CTEC.

Which has better risk-adjusted returns?

CTEC currently has the higher Sharpe Ratio (3.77 vs 2.72), 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.