WTTR vs. AQWA

Last updated Jun 4, 2026

WTTR (Select Energy Services, Inc.) is a stock, while AQWA (Global X Clean Water ETF) is Water Equities fund tracking the Solactive Global Clean Water Industry Index. Over the past 5 years, WTTR returned 25.38%/yr vs 4.62%/yr for AQWA. At a 0.27 correlation, their price movements are largely independent.

Performance

WTTR vs. AQWA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Select Energy Services, Inc. (WTTR) and Global X Clean Water ETF (AQWA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WTTR achieves a 82.22% return, which is significantly higher than AQWA's -0.68% return.

WTTR

• 1D: 0.64%
• 1M: 14.27%
• YTD: 82.22%
• 6M: 71.62%
• 1Y: 127.63%
• 3Y*: 38.41%
• 5Y*: 25.38%
• 10Y*: —

AQWA

• 1D: 0.06%
• 1M: -1.97%
• YTD: -0.68%
• 6M: -3.10%
• 1Y: 0.82%
• 3Y*: 9.10%
• 5Y*: 4.62%
• 10Y*: —

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

WTTR vs. AQWA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
WTTR Select Energy Services, Inc.	82.22%	-18.31%	79.17%	-15.63%	49.18%	27.40%
AQWA Global X Clean Water ETF	-0.68%	13.15%	4.34%	20.13%	-19.89%	15.85%

Correlation

The correlation between WTTR and AQWA is 0.24, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.24
Correlation (3Y) Calculated over the trailing 3-year period	0.30
Correlation (5Y) Calculated over the trailing 5-year period	0.27
Correlation (All Time) Calculated using the full available price history since Apr 13, 2021	0.27

Return for Risk

WTTR vs. AQWA — Risk / Return Rank

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

WTTR

WTTR Risk / Return Rank: 93
WTTR Sharpe Ratio Rank: 94
WTTR Sortino Ratio Rank: 92
WTTR Omega Ratio Rank: 90
WTTR Calmar Ratio Rank: 94
WTTR Martin Ratio Rank: 94

AQWA

AQWA Risk / Return Rank: 9
AQWA Sharpe Ratio Rank: 9
AQWA Sortino Ratio Rank: 9
AQWA Omega Ratio Rank: 9
AQWA Calmar Ratio Rank: 9
AQWA Martin Ratio Rank: 9

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.

WTTR vs. AQWA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Select Energy Services, Inc. (WTTR) and Global X Clean Water ETF (AQWA). 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.

	WTTR	AQWA	Difference
Sharpe ratio Return per unit of total volatility	2.93	0.06	+2.87
Sortino ratio Return per unit of downside risk	3.48	0.18	+3.30
Omega ratio Gain probability vs. loss probability	1.44	1.02	+0.42
Calmar ratio Return relative to maximum drawdown	6.28	0.07	+6.21
Martin ratio Return relative to average drawdown	17.45	0.17	+17.29
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WTTR vs. AQWA - Sharpe Ratio Comparison

The current WTTR Sharpe Ratio is 2.93, which is higher than the AQWA Sharpe Ratio of 0.06. The chart below compares the historical Sharpe Ratios of WTTR and AQWA, 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

	WTTR	AQWA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.93	0.06	+2.87
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.28	+0.23
Sharpe Ratio (All Time) Calculated using the full available price history	0.07	0.32	-0.25

Drawdowns

WTTR vs. AQWA - Drawdown Comparison

The maximum WTTR drawdown since its inception was -89.49%, which is greater than AQWA's maximum drawdown of -29.44%. Use the drawdown chart below to compare losses from any high point for WTTR and AQWA.

Drawdown Indicators

	WTTR	AQWA	Difference
Max Drawdown Largest peak-to-trough decline	-89.49%	-29.44%	-60.05%
Max Drawdown (1Y) Largest decline over 1 year	-20.45%	-12.34%	-8.11%
Max Drawdown (3Y) Largest decline over 3 years	-50.66%	-14.55%	-36.11%
Max Drawdown (5Y) Largest decline over 5 years	-50.66%	-29.44%	-21.22%
Current Drawdown Current decline from peak	-5.29%	-10.78%	+5.49%
Average Drawdown Average peak-to-trough decline	-53.41%	-8.27%	-45.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.34%	4.90%	+2.44%

Volatility

WTTR vs. AQWA - Volatility Comparison

Select Energy Services, Inc. (WTTR) has a higher volatility of 10.96% compared to Global X Clean Water ETF (AQWA) at 3.94%. This indicates that WTTR's price experiences larger fluctuations and is considered to be riskier than AQWA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WTTR	AQWA	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.96%	3.94%	+7.02%
Volatility (6M) Calculated over the trailing 6-month period	30.77%	10.85%	+19.92%
Volatility (1Y) Calculated over the trailing 1-year period	43.98%	14.33%	+29.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	49.91%	16.75%	+33.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.06%	16.65%	+44.41%

Dividends

WTTR vs. AQWA - Dividend Comparison

WTTR's dividend yield for the trailing twelve months is around 1.48%, which matches AQWA's 1.48% yield.

Position	TTM	2025	2024	2023	2022	2021
AQWA Global X Clean Water ETF	1.48%	1.47%	1.40%	1.53%	1.56%	1.20%
WTTR Select Energy Services, Inc.	1.48%	2.66%	1.89%	2.77%	0.54%	0.00%

Frequently Asked Questions

Can I hold both WTTR and AQWA in my portfolio?

WTTR and AQWA have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WTTR or AQWA?

WTTR has higher volatility (10.96%) compared to AQWA (3.94%). In terms of maximum drawdown, WTTR dropped -89.49% vs AQWA's -29.44%.

Which has better risk-adjusted returns?

WTTR currently has the higher Sharpe Ratio (2.93 vs 0.06), 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.