GWRS vs. CGW
GWRS (Global Water Resources, Inc.) is a stock, while CGW (Invesco S&P Global Water Index ETF) is Water Equities fund tracking the S&P Global Water Index. Over the past 10 years, GWRS returned 1.30%/yr vs 9.98%/yr for CGW. At a 0.38 correlation, their price movements are largely independent.
Performance
GWRS vs. CGW - Performance Comparison
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Returns By Period
In the year-to-date period, GWRS achieves a -14.93% return, which is significantly lower than CGW's -0.07% return. Over the past 10 years, GWRS has underperformed CGW with an annualized return of 1.30%, while CGW has yielded a comparatively higher 9.98% annualized return.
GWRS
- 1D
- 2.17%
- 1M
- -2.01%
- YTD
- -14.93%
- 6M
- -15.92%
- 1Y
- -32.22%
- 3Y*
- -16.00%
- 5Y*
- -13.59%
- 10Y*
- 1.30%
CGW
- 1D
- -1.01%
- 1M
- 0.69%
- YTD
- -0.07%
- 6M
- -0.77%
- 1Y
- 4.10%
- 3Y*
- 9.64%
- 5Y*
- 5.08%
- 10Y*
- 9.98%
GWRS vs. CGW - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GWRS Global Water Resources, Inc. | -14.93% | -24.33% | -9.94% | 0.95% | -20.68% | 20.65% | 12.34% | 33.21% | 11.84% | 5.74% |
CGW Invesco S&P Global Water Index ETF | -0.07% | 18.10% | 4.55% | 15.50% | -22.00% | 31.70% | 15.41% | 34.04% | -10.47% | 27.08% |
Correlation
The correlation between GWRS and CGW is 0.42, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.42 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.43 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.40 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.39 |
Correlation (All Time) Calculated using the full available price history since Apr 28, 2016 | 0.38 |
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Return for Risk
GWRS vs. CGW — Risk / Return Rank
GWRS
CGW
GWRS vs. CGW - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Global Water Resources, Inc. (GWRS) and Invesco S&P Global Water Index ETF (CGW). 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.
| GWRS | CGW | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.26 | ||
| Sortino ratioReturn per unit of downside risk | -1.73 | ||
| Omega ratioGain probability vs. loss probability | 0.84 | 1.06 | -0.22 |
| Calmar ratioReturn relative to maximum drawdown | -0.85 | 0.38 | -1.23 |
| Martin ratioReturn relative to average drawdown | -1.51 | 0.90 | -2.42 |
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Drawdowns
GWRS vs. CGW - Drawdown Comparison
The maximum GWRS drawdown since its inception was -63.38%, which is greater than CGW's maximum drawdown of -57.24%. Use the drawdown chart below to compare losses from any high point for GWRS and CGW.
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Drawdown Indicators
| GWRS | CGW | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -63.38% | -57.24% | -6.14% |
Max Drawdown (1Y)Largest decline over 1 year | -38.17% | -10.86% | -27.31% |
Max Drawdown (3Y)Largest decline over 3 years | -48.36% | -16.24% | -32.12% |
Max Drawdown (5Y)Largest decline over 5 years | -63.38% | -32.74% | -30.64% |
Max Drawdown (10Y)Largest decline over 10 years | -63.38% | -35.72% | -27.66% |
Current DrawdownCurrent decline from peak | -60.96% | -8.55% | -52.41% |
Average DrawdownAverage peak-to-trough decline | -22.11% | -9.83% | -12.28% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 21.35% | 4.54% | +16.81% |
Volatility
GWRS vs. CGW - Volatility Comparison
Global Water Resources, Inc. (GWRS) has a higher volatility of 12.63% compared to Invesco S&P Global Water Index ETF (CGW) at 4.01%. This indicates that GWRS's price experiences larger fluctuations and is considered to be riskier than CGW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GWRS | CGW | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.63% | 4.01% | +8.62% |
Volatility (6M)Calculated over the trailing 6-month period | 26.00% | 10.51% | +15.49% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.29% | 13.58% | +20.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.15% | 16.82% | +15.33% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.61% | 17.63% | +15.98% |
Dividends
GWRS vs. CGW - Dividend Comparison
GWRS's dividend yield for the trailing twelve months is around 4.31%, more than CGW's 1.58% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGW Invesco S&P Global Water Index ETF | 1.58% | 1.58% | 2.27% | 1.55% | 1.45% | 1.59% | 1.41% | 1.48% | 2.14% | 1.71% | 1.65% | 1.67% |
GWRS Global Water Resources, Inc. | 4.31% | 3.60% | 2.62% | 2.28% | 2.22% | 1.71% | 2.01% | 2.18% | 2.81% | 2.94% | 1.90% | 0.00% |
Frequently Asked Questions
GWRS and CGW have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GWRS has higher volatility (12.63%) compared to CGW (4.01%). In terms of maximum drawdown, GWRS dropped -63.38% vs CGW's -57.24%.
CGW currently has the higher Sharpe Ratio (0.30 vs -0.95), 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.
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