ICLN vs. ERTH

Last updated Apr 1, 2026

Compare and contrast key facts about iShares Global Clean Energy ETF (ICLN) and Invesco MSCI Sustainable Future ETF (ERTH).

ICLN and ERTH are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ICLN is a passively managed fund by iShares that tracks the performance of the S&P Global Clean Energy Index. It was launched on Jun 24, 2008. ERTH is a passively managed fund by Invesco that tracks the performance of the MSCI Global Environment Select Index. It was launched on Oct 24, 2006. Both ICLN and ERTH are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

ICLN vs. ERTH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Global Clean Energy ETF (ICLN) and Invesco MSCI Sustainable Future ETF (ERTH). The values are adjusted to include any dividend payments, if applicable.

ICLN vs. ERTH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ICLN iShares Global Clean Energy ETF	11.32%	47.05%	-25.72%	-20.41%	-5.43%	-24.18%	141.82%	44.36%	-9.03%	21.47%
ERTH Invesco MSCI Sustainable Future ETF	0.63%	18.47%	-13.56%	0.12%	-27.59%	2.64%	51.02%	36.78%	-12.49%	30.53%

Returns By Period

In the year-to-date period, ICLN achieves a 11.32% return, which is significantly higher than ERTH's 0.63% return. Over the past 10 years, ICLN has outperformed ERTH with an annualized return of 8.96%, while ERTH has yielded a comparatively lower 7.19% annualized return.

ICLN

• 1D: 4.45%
• 1M: 0.38%
• YTD: 11.32%
• 6M: 19.07%
• 1Y: 63.12%
• 3Y*: -0.97%
• 5Y*: -4.11%
• 10Y*: 8.96%

ERTH

• 1D: 3.12%
• 1M: -1.76%
• YTD: 0.63%
• 6M: 0.08%
• 1Y: 23.97%
• 3Y*: 0.09%
• 5Y*: -5.43%
• 10Y*: 7.19%

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

ICLN vs. ERTH - Expense Ratio Comparison

ICLN has a 0.46% expense ratio, which is lower than ERTH's 0.55% expense ratio.

ERTH

Invesco MSCI Sustainable Future ETF

ICLN

iShares Global Clean Energy ETF

Return for Risk

ICLN vs. ERTH — Risk / Return Rank

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

ICLN

ICLN Risk / Return Rank: 95
ICLN Sharpe Ratio Rank: 96
ICLN Sortino Ratio Rank: 95
ICLN Omega Ratio Rank: 92
ICLN Calmar Ratio Rank: 98
ICLN Martin Ratio Rank: 95

ERTH

ERTH Risk / Return Rank: 69
ERTH Sharpe Ratio Rank: 68
ERTH Sortino Ratio Rank: 71
ERTH Omega Ratio Rank: 63
ERTH Calmar Ratio Rank: 71
ERTH Martin Ratio Rank: 72

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.

ICLN vs. ERTH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Global Clean Energy ETF (ICLN) and Invesco MSCI Sustainable Future ETF (ERTH). 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.

	ICLN	ERTH	Difference
Sharpe ratio Return per unit of total volatility	2.43	1.18	+1.25
Sortino ratio Return per unit of downside risk	3.06	1.79	+1.27
Omega ratio Gain probability vs. loss probability	1.39	1.23	+0.16
Calmar ratio Return relative to maximum drawdown	5.49	1.81	+3.68
Martin ratio Return relative to average drawdown	15.39	7.31	+8.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ICLN vs. ERTH - Sharpe Ratio Comparison

The current ICLN Sharpe Ratio is 2.43, which is higher than the ERTH Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of ICLN and ERTH, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ICLN	ERTH	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.43	1.18	+1.25
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.15	-0.24	+0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.33	0.32	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	-0.12	0.19	-0.31

Correlation

The correlation between ICLN and ERTH is 0.79, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

ICLN vs. ERTH - Dividend Comparison

ICLN's dividend yield for the trailing twelve months is around 1.46%, less than ERTH's 1.48% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ICLN iShares Global Clean Energy ETF	1.46%	1.63%	1.85%	1.59%	0.89%	1.18%	0.34%	1.36%	2.77%	2.49%	3.88%	2.36%
ERTH Invesco MSCI Sustainable Future ETF	1.48%	1.46%	1.00%	1.28%	1.22%	15.33%	0.21%	0.71%	0.61%	0.87%	1.06%	0.79%

Drawdowns

ICLN vs. ERTH - Drawdown Comparison

The maximum ICLN drawdown since its inception was -87.15%, which is greater than ERTH's maximum drawdown of -64.45%. Use the drawdown chart below to compare losses from any high point for ICLN and ERTH.

Drawdown Indicators

	ICLN	ERTH	Difference
Max Drawdown Largest peak-to-trough decline	-87.15%	-64.45%	-22.70%
Max Drawdown (1Y) Largest decline over 1 year	-11.22%	-12.78%	+1.56%
Max Drawdown (5Y) Largest decline over 5 years	-57.16%	-51.72%	-5.44%
Max Drawdown (10Y) Largest decline over 10 years	-66.75%	-51.72%	-15.03%
Current Drawdown Current decline from peak	-50.20%	-32.20%	-18.00%
Average Drawdown Average peak-to-trough decline	-66.84%	-21.40%	-45.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.00%	3.17%	+0.83%

Volatility

ICLN vs. ERTH - Volatility Comparison

iShares Global Clean Energy ETF (ICLN) has a higher volatility of 10.82% compared to Invesco MSCI Sustainable Future ETF (ERTH) at 7.21%. This indicates that ICLN's price experiences larger fluctuations and is considered to be riskier than ERTH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ICLN	ERTH	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.82%	7.21%	+3.61%
Volatility (6M) Calculated over the trailing 6-month period	20.46%	12.59%	+7.87%
Volatility (1Y) Calculated over the trailing 1-year period	26.17%	20.47%	+5.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.16%	22.91%	+4.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.04%	22.63%	+4.41%