CGW vs. RSP
Compare and contrast key facts about Invesco S&P Global Water Index ETF (CGW) and Invesco S&P 500 Equal Weight ETF (RSP).
CGW and RSP are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. CGW is a passively managed fund by Invesco that tracks the performance of the S&P Global Water Index. It was launched on May 14, 2007. RSP is a passively managed fund by Invesco that tracks the performance of the S&P 500 Equal Weight Index. It was launched on Apr 24, 2003. Both CGW and RSP 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
CGW vs. RSP - Performance Comparison
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CGW vs. RSP - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CGW Invesco S&P Global Water Index ETF | 1.47% | 18.10% | 4.55% | 15.50% | -22.00% | 31.70% | 15.41% | 34.04% | -10.47% | 27.08% |
RSP Invesco S&P 500 Equal Weight ETF | 0.62% | 11.21% | 12.79% | 13.70% | -11.62% | 29.41% | 12.66% | 28.91% | -7.84% | 18.52% |
Returns By Period
In the year-to-date period, CGW achieves a 1.47% return, which is significantly higher than RSP's 0.62% return. Over the past 10 years, CGW has underperformed RSP with an annualized return of 10.45%, while RSP has yielded a comparatively higher 11.17% annualized return.
CGW
- 1D
- 1.85%
- 1M
- -6.73%
- YTD
- 1.47%
- 6M
- 1.11%
- 1Y
- 16.63%
- 3Y*
- 10.61%
- 5Y*
- 6.95%
- 10Y*
- 10.45%
RSP
- 1D
- 2.05%
- 1M
- -5.97%
- YTD
- 0.62%
- 6M
- 2.01%
- 1Y
- 12.65%
- 3Y*
- 11.72%
- 5Y*
- 7.81%
- 10Y*
- 11.17%
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CGW vs. RSP - Expense Ratio Comparison
CGW has a 0.57% expense ratio, which is higher than RSP's 0.20% expense ratio.
Return for Risk
CGW vs. RSP — Risk / Return Rank
CGW
RSP
CGW vs. RSP - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco S&P Global Water Index ETF (CGW) and Invesco S&P 500 Equal Weight ETF (RSP). 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.
| CGW | RSP | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.13 | 0.74 | +0.39 |
Sortino ratioReturn per unit of downside risk | 1.63 | 1.15 | +0.48 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.16 | +0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.59 | 1.08 | +0.51 |
Martin ratioReturn relative to average drawdown | 5.46 | 4.89 | +0.57 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| CGW | RSP | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.13 | 0.74 | +0.39 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.42 | 0.48 | -0.07 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.59 | 0.61 | -0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.35 | 0.55 | -0.20 |
Correlation
The correlation between CGW and RSP is 0.82, 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
CGW vs. RSP - Dividend Comparison
CGW's dividend yield for the trailing twelve months is around 1.56%, less than RSP's 1.62% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGW Invesco S&P Global Water Index ETF | 1.56% | 1.58% | 2.27% | 1.55% | 1.45% | 1.59% | 1.41% | 1.48% | 2.14% | 1.71% | 1.65% | 1.67% |
RSP Invesco S&P 500 Equal Weight ETF | 1.62% | 1.64% | 1.52% | 1.64% | 1.82% | 1.28% | 1.64% | 1.69% | 2.02% | 1.52% | 1.20% | 1.70% |
Drawdowns
CGW vs. RSP - Drawdown Comparison
The maximum CGW drawdown since its inception was -57.24%, roughly equal to the maximum RSP drawdown of -59.92%. Use the drawdown chart below to compare losses from any high point for CGW and RSP.
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Drawdown Indicators
| CGW | RSP | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.24% | -59.92% | +2.68% |
Max Drawdown (1Y)Largest decline over 1 year | -10.33% | -12.54% | +2.21% |
Max Drawdown (5Y)Largest decline over 5 years | -32.74% | -21.38% | -11.36% |
Max Drawdown (10Y)Largest decline over 10 years | -35.72% | -39.04% | +3.32% |
Current DrawdownCurrent decline from peak | -7.14% | -5.97% | -1.17% |
Average DrawdownAverage peak-to-trough decline | -9.87% | -6.69% | -3.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.00% | 2.78% | +0.22% |
Volatility
CGW vs. RSP - Volatility Comparison
Invesco S&P Global Water Index ETF (CGW) has a higher volatility of 5.61% compared to Invesco S&P 500 Equal Weight ETF (RSP) at 4.47%. This indicates that CGW's price experiences larger fluctuations and is considered to be riskier than RSP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CGW | RSP | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.61% | 4.47% | +1.14% |
Volatility (6M)Calculated over the trailing 6-month period | 9.30% | 8.83% | +0.47% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.78% | 17.17% | -2.39% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.71% | 16.20% | +0.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.67% | 18.36% | -0.69% |