ERTH vs. RNRG

Last updated Jul 14, 2026

ERTH (Invesco MSCI Sustainable Future ETF) and RNRG (Global X Funds Global X Renewable Energy Producers ETF) are both Alternative Energy Equities funds - ERTH tracks the MSCI Global Environment Select Index while RNRG tracks the Indxx Renewable Energy Producers Index. Both are passively managed. Over the past 10 years, ERTH returned 6.54%/yr vs 2.72%/yr for RNRG. A 0.62 correlation means they provide meaningful diversification when combined. ERTH charges 0.55%/yr vs 0.65%/yr for RNRG.

Performance

ERTH vs. RNRG - Performance Comparison

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

Returns By Period

In the year-to-date period, ERTH achieves a -2.03% return, which is significantly lower than RNRG's 5.35% return. Over the past 10 years, ERTH has outperformed RNRG with an annualized return of 6.54%, while RNRG has yielded a comparatively lower 2.72% annualized return.

ERTH

• 1D: -1.57%
• 1M: -5.54%
• 6M: -3.95%
• YTD: -2.03%
• 1Y: 7.83%
• 3Y*: -2.25%
• 5Y*: -5.89%
• 10Y*: 6.54%

RNRG

• 1D: -0.34%
• 1M: -7.18%
• 6M: 2.49%
• YTD: 5.35%
• 1Y: 18.85%
• 3Y*: -0.21%
• 5Y*: -5.45%
• 10Y*: 2.72%

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

ERTH vs. RNRG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ERTH Invesco MSCI Sustainable Future ETF	-2.03%	18.47%	-13.56%	0.12%	-27.59%	2.64%	51.02%	36.78%	-12.49%	30.53%
RNRG Global X Funds Global X Renewable Energy Producers ETF	5.35%	29.61%	-22.00%	-12.82%	-15.30%	-12.78%	26.67%	37.04%	-6.22%	21.16%

Correlation

The correlation between ERTH and RNRG is 0.66, 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	0.66
Correlation (3Y) Calculated over the trailing 3-year period	0.68
Correlation (5Y) Calculated over the trailing 5-year period	0.73
Correlation (10Y) Calculated over the trailing 10-year period	0.64
Correlation (All Time) Calculated using the full available price history since May 28, 2015	0.62

The correlation between ERTH and RNRG shifts across timeframes, from 0.62 (all time) to 0.73 (5 years), reflecting how their relationship changes across market environments.

ERTH vs. RNRG - Sectors Allocation Comparison

Sectors	ERTH	RNRG
Consumer Cyclical	8.9%	-
Real Estate	8.8%	-
Energy	8.1%	-
Technology	5.3%	2.8%
Basic Materials	4.1%	2.0%
Utilities	2.0%	92.2%
Industrials	2.0%	3.0%
Consumer Defensive	1.3%	-
Financial Services	0.3%	-
Communication Services	-	-
Healthcare	-	-

Return for Risk

ERTH vs. RNRG — Risk / Return Rank

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

ERTH

ERTH Risk / Return Rank: 19
ERTH Sharpe Ratio Rank: 18
ERTH Sortino Ratio Rank: 17
ERTH Omega Ratio Rank: 17
ERTH Calmar Ratio Rank: 21
ERTH Martin Ratio Rank: 22

RNRG

RNRG Risk / Return Rank: 41
RNRG Sharpe Ratio Rank: 42
RNRG Sortino Ratio Rank: 41
RNRG Omega Ratio Rank: 39
RNRG Calmar Ratio Rank: 39
RNRG Martin Ratio Rank: 42

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.

ERTH vs. RNRG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco MSCI Sustainable Future ETF (ERTH) and Global X Funds Global X Renewable Energy Producers ETF (RNRG). 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.

	ERTH	RNRG	Difference
Sharpe ratio: Return per unit of total volatility	0.45	1.20	-0.75
Sortino ratio: Return per unit of downside risk	0.74	1.72	-0.98
Omega ratio: Gain probability vs. loss probability	1.09	1.21	-0.12
Calmar ratio: Return relative to maximum drawdown	0.76	1.62	-0.85
Martin ratio: Return relative to average drawdown	2.13	5.42	-3.29

ERTH vs. RNRG - Sharpe Ratio Comparison

The current ERTH Sharpe Ratio is 0.45, which is lower than the RNRG Sharpe Ratio of 1.20. The chart below compares the historical Sharpe Ratios of ERTH and RNRG, 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

ERTH vs. RNRG - Drawdown Comparison

The maximum ERTH drawdown since its inception was -64.45%, which is greater than RNRG's maximum drawdown of -58.79%. Use the drawdown chart below to compare losses from any high point for ERTH and RNRG.

Drawdown Indicators

	ERTH	RNRG	Difference
Max Drawdown Largest peak-to-trough decline	-64.45%	-58.79%	-5.66%
Max Drawdown (1Y) Largest decline over 1 year	-10.29%	-11.72%	+1.43%
Max Drawdown (3Y) Largest decline over 3 years	-33.82%	-35.23%	+1.41%
Max Drawdown (5Y) Largest decline over 5 years	-51.72%	-52.17%	+0.45%
Max Drawdown (10Y) Largest decline over 10 years	-51.72%	-58.79%	+7.07%
Current Drawdown Current decline from peak	-34.00%	-37.66%	+3.66%
Average Drawdown Average peak-to-trough decline	-21.52%	-24.54%	+3.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.68%	3.49%	+0.19%

Volatility

ERTH vs. RNRG - Volatility Comparison

Invesco MSCI Sustainable Future ETF (ERTH) has a higher volatility of 5.42% compared to Global X Funds Global X Renewable Energy Producers ETF (RNRG) at 4.30%. This indicates that ERTH's price experiences larger fluctuations and is considered to be riskier than RNRG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ERTH	RNRG	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.42%	4.30%	+1.12%
Volatility (6M) Calculated over the trailing 6-month period	13.20%	12.74%	+0.46%
Volatility (1Y) Calculated over the trailing 1-year period	17.38%	15.81%	+1.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.96%	20.15%	+2.81%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.52%	19.55%	+2.97%

ERTH vs. RNRG - Expense Ratio Comparison

ERTH has a 0.55% expense ratio, which is lower than RNRG's 0.65% expense ratio.

Dividends

ERTH vs. RNRG - Dividend Comparison

ERTH's dividend yield for the trailing twelve months is around 1.98%, more than RNRG's 1.69% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ERTH Invesco MSCI Sustainable Future ETF	1.98%	1.46%	1.00%	1.28%	1.22%	15.33%	0.21%	0.71%	0.61%	0.87%	1.06%	0.79%
RNRG Global X Funds Global X Renewable Energy Producers ETF	1.69%	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 ERTH and RNRG in my portfolio?

ERTH and RNRG have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ERTH or RNRG?

ERTH has higher volatility (5.42%) compared to RNRG (4.30%). In terms of maximum drawdown, ERTH dropped -64.45% vs RNRG's -58.79%.

Which ETF is better, ERTH or RNRG?

On 10-year performance, ERTH leads with 6.54% vs 2.72% for RNRG. On fees, ERTH is cheaper at 0.55% per year. On volatility, RNRG has been the lower-risk option at 4.30%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ERTH or RNRG?

Over the 10-year period, ERTH has performed better with a 6.54% return vs 2.72%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ERTH or RNRG?

ERTH is cheaper with a 0.55% expense ratio, compared with 0.65% for RNRG.

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

ERTH has the higher dividend yield at 1.98%, compared with 1.69% for RNRG.

What is the main difference between ERTH and RNRG?

ERTH tracks MSCI Global Environment Select Index, while RNRG tracks Indxx Renewable Energy Producers Index. They also come from different issuers: Invesco and Global X. Their fees differ too: 0.55% for ERTH and 0.65% for RNRG.

Which has better risk-adjusted returns?

RNRG currently has the higher Sharpe Ratio (1.20 vs 0.45), 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.