ERTH vs. RAYS

Last updated Jul 14, 2026

ERTH (Invesco MSCI Sustainable Future ETF) and RAYS (Global X Solar ETF) are both Alternative Energy Equities funds - ERTH tracks the MSCI Global Environment Select Index while RAYS tracks the Solactive Solar Index. Both are passively managed. ERTH charges 0.55%/yr vs 0.50%/yr for RAYS.

Performance

ERTH vs. RAYS - Performance Comparison

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

Returns By Period

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%

RAYS

• 1D: 0.00%
• 1M: 0.00%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ERTH vs. RAYS - Yearly Performance Comparison

	2026 (YTD)
ERTH Invesco MSCI Sustainable Future ETF	-2.89%
RAYS Global X Solar ETF	0.00%

ERTH vs. RAYS - Sectors Allocation Comparison

Sectors	ERTH	RAYS
Consumer Cyclical	8.9%	4.0%
Real Estate	8.8%	-
Energy	8.1%	-
Technology	5.3%	66.9%
Basic Materials	4.1%	0.9%
Utilities	2.0%	6.8%
Industrials	2.0%	21.4%
Consumer Defensive	1.3%	-
Financial Services	0.3%	-
Communication Services	-	-
Healthcare	-	-

Return for Risk

ERTH vs. RAYS — 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

RAYS

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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. RAYS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco MSCI Sustainable Future ETF (ERTH) and Global X Solar ETF (RAYS). 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	RAYS	Difference
Sharpe ratio: Return per unit of total volatility	0.45	—	—
Sortino ratio: Return per unit of downside risk	0.74	—	—
Omega ratio: Gain probability vs. loss probability	1.09	—	—
Calmar ratio: Return relative to maximum drawdown	0.76	—	—
Martin ratio: Return relative to average drawdown	2.13	—	—

Drawdowns

ERTH vs. RAYS - Drawdown Comparison

The maximum ERTH drawdown since its inception was -64.45%, which is greater than RAYS's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for ERTH and RAYS.

Drawdown Indicators

	ERTH	RAYS	Difference
Max Drawdown Largest peak-to-trough decline	-64.45%	0.00%	-64.45%
Max Drawdown (1Y) Largest decline over 1 year	-10.29%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-33.82%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-51.72%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-51.72%	—	—
Current Drawdown Current decline from peak	-34.00%	0.00%	-34.00%
Average Drawdown Average peak-to-trough decline	-21.52%	0.00%	-21.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.68%	—	—

Volatility

Volatility by Period

	ERTH	RAYS	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.42%	—	—
Volatility (6M) Calculated over the trailing 6-month period	13.20%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	17.38%	0.00%	+17.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.96%	0.00%	+22.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.52%	0.00%	+22.52%

ERTH vs. RAYS - Expense Ratio Comparison

ERTH has a 0.55% expense ratio, which is higher than RAYS's 0.50% expense ratio.

Dividends

ERTH vs. RAYS - Dividend Comparison

ERTH's dividend yield for the trailing twelve months is around 1.98%, while RAYS has not paid dividends to shareholders.

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%
RAYS Global X Solar ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Which ETF is better, ERTH or RAYS?

On fees, RAYS is cheaper at 0.50% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ERTH or RAYS?

RAYS is cheaper with a 0.50% expense ratio, compared with 0.55% for ERTH.

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

ERTH has the higher dividend yield at 1.98%, compared with 0.00% for RAYS.

What is the main difference between ERTH and RAYS?

ERTH tracks MSCI Global Environment Select Index, while RAYS tracks Solactive Solar Index. They also come from different issuers: Invesco and Global X. Their fees differ too: 0.55% for ERTH and 0.50% for RAYS.