CTEC vs. CNRG

Last updated Jun 26, 2026

CTEC (Global X CleanTech ETF) and CNRG (SPDR S&P Kensho Clean Power ETF) are both Alternative Energy Equities funds - CTEC tracks the Indxx Global CleanTech Index while CNRG tracks the S&P Kensho Clean Power Index. Both are passively managed. Over the past 5 years, CTEC returned -8.33%/yr vs 2.37%/yr for CNRG. Their correlation of 0.89 suggests significant overlap in exposure. CTEC charges 0.50%/yr vs 0.45%/yr for CNRG.

Performance

CTEC vs. CNRG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X CleanTech ETF (CTEC) and SPDR S&P Kensho Clean Power ETF (CNRG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CTEC achieves a 19.59% return, which is significantly lower than CNRG's 21.85% return.

CTEC

• 1D: -0.94%
• 1M: -16.24%
• YTD: 19.59%
• 6M: 16.23%
• 1Y: 82.20%
• 3Y*: -2.52%
• 5Y*: -8.33%
• 10Y*: —

CNRG

• 1D: -0.09%
• 1M: -9.76%
• YTD: 21.85%
• 6M: 17.48%
• 1Y: 91.16%
• 3Y*: 11.56%
• 5Y*: 2.37%
• 10Y*: —

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

CTEC vs. CNRG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
CTEC Global X CleanTech ETF	19.59%	57.85%	-36.35%	-25.60%	-16.82%	-22.19%	44.74%
CNRG SPDR S&P Kensho Clean Power ETF	21.85%	50.23%	-14.48%	-11.55%	-7.98%	-15.68%	43.16%

Correlation

The correlation between CTEC and CNRG is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.87
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (All Time) Calculated using the full available price history since Oct 29, 2020	0.89

The correlation between CTEC and CNRG has been stable across timeframes, ranging from 0.87 to 0.91 - a consistent structural relationship.

CTEC vs. CNRG - Sectors Allocation Comparison

Sectors	CTEC	CNRG
Industrials	60.0%	37.1%
Technology	31.2%	10.6%
Energy	24.8%	23.5%
Consumer Cyclical	3.9%	1.6%
Basic Materials	3.2%	-
Utilities	1.7%	27.1%
Communication Services	-	-
Consumer Defensive	-	-
Financial Services	-	-
Healthcare	-	-
Real Estate	-	-

Return for Risk

CTEC vs. CNRG — Risk / Return Rank

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

CTEC

CTEC Risk / Return Rank: 74
CTEC Sharpe Ratio Rank: 80
CTEC Sortino Ratio Rank: 68
CTEC Omega Ratio Rank: 66
CTEC Calmar Ratio Rank: 86
CTEC Martin Ratio Rank: 68

CNRG

CNRG Risk / Return Rank: 79
CNRG Sharpe Ratio Rank: 86
CNRG Sortino Ratio Rank: 73
CNRG Omega Ratio Rank: 71
CNRG Calmar Ratio Rank: 91
CNRG Martin Ratio Rank: 75

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.

CTEC vs. CNRG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X CleanTech ETF (CTEC) and SPDR S&P Kensho Clean Power ETF (CNRG). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	CTEC	CNRG	Difference
Sharpe ratio: Return per unit of total volatility	2.22	2.41	-0.20
Sortino ratio: Return per unit of downside risk	2.70	2.84	-0.14
Omega ratio: Gain probability vs. loss probability	1.34	1.36	-0.02
Calmar ratio: Return relative to maximum drawdown	4.26	5.09	-0.83
Martin ratio: Return relative to average drawdown	10.85	12.22	-1.38

CTEC vs. CNRG - Sharpe Ratio Comparison

The current CTEC Sharpe Ratio is 2.22, which is comparable to the CNRG Sharpe Ratio of 2.41. The chart below compares the historical Sharpe Ratios of CTEC and CNRG, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

CTEC vs. CNRG - Drawdown Comparison

The maximum CTEC drawdown since its inception was -81.58%, which is greater than CNRG's maximum drawdown of -68.49%. Use the drawdown chart below to compare losses from any high point for CTEC and CNRG.

Drawdown Indicators

	CTEC	CNRG	Difference
Max Drawdown Largest peak-to-trough decline	-81.58%	-68.49%	-13.09%
Max Drawdown (1Y) Largest decline over 1 year	-19.39%	-18.01%	-1.38%
Max Drawdown (3Y) Largest decline over 3 years	-65.77%	-48.77%	-17.00%
Max Drawdown (5Y) Largest decline over 5 years	-76.46%	-59.17%	-17.29%
Current Drawdown Current decline from peak	-54.64%	-20.76%	-33.88%
Average Drawdown Average peak-to-trough decline	-52.35%	-31.71%	-20.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.60%	7.48%	+0.12%

Volatility

CTEC vs. CNRG - Volatility Comparison

Global X CleanTech ETF (CTEC) and SPDR S&P Kensho Clean Power ETF (CNRG) have volatilities of 15.65% and 14.99%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CTEC	CNRG	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.65%	14.99%	+0.66%
Volatility (6M) Calculated over the trailing 6-month period	27.18%	27.12%	+0.06%
Volatility (1Y) Calculated over the trailing 1-year period	37.39%	38.03%	-0.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.94%	34.47%	+2.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	38.08%	35.97%	+2.11%

CTEC vs. CNRG - Expense Ratio Comparison

CTEC has a 0.50% expense ratio, which is higher than CNRG's 0.45% expense ratio.

Dividends

CTEC vs. CNRG - Dividend Comparison

CTEC's dividend yield for the trailing twelve months is around 0.63%, less than CNRG's 1.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
CNRG SPDR S&P Kensho Clean Power ETF	1.12%	1.46%	1.34%	1.17%	1.23%	1.34%	0.69%	1.16%	0.35%
CTEC Global X CleanTech ETF	0.63%	0.75%	1.56%	0.51%	0.25%	0.39%	0.02%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CTEC and CNRG in my portfolio?

With a correlation of 0.91, CTEC and CNRG move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, CTEC or CNRG?

CTEC has higher volatility (15.65%) compared to CNRG (14.99%). In terms of maximum drawdown, CTEC dropped -81.58% vs CNRG's -68.49%.

Which ETF is better, CTEC or CNRG?

On 5-year performance, CNRG leads with 2.37% vs -8.33% for CTEC. On fees, CNRG is cheaper at 0.45% per year. On volatility, CNRG has been the lower-risk option at 14.99%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CTEC or CNRG?

Over the 5-year period, CNRG has performed better with a 2.37% return vs -8.33%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CTEC or CNRG?

CNRG is cheaper with a 0.45% expense ratio, compared with 0.50% for CTEC.

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

CNRG has the higher dividend yield at 1.12%, compared with 0.63% for CTEC.

What is the main difference between CTEC and CNRG?

CTEC tracks Indxx Global CleanTech Index, while CNRG tracks S&P Kensho Clean Power Index. They also come from different issuers: Global X and State Street. Their fees differ too: 0.50% for CTEC and 0.45% for CNRG.

Which has better risk-adjusted returns?

CNRG currently has the higher Sharpe Ratio (2.41 vs 2.21), 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.