PBW vs. ACES
Compare and contrast key facts about Invesco WilderHill Clean Energy ETF (PBW) and ALPS Clean Energy ETF (ACES).
PBW and ACES are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. PBW is a passively managed fund by Invesco that tracks the performance of the The WilderHill Clean Energy Index (AMEX). It was launched on Mar 3, 2005. ACES is a passively managed fund by SS&C that tracks the performance of the CIBC Atlas Clean Energy Index. It was launched on Jun 29, 2018. Both PBW and ACES 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
PBW vs. ACES - Performance Comparison
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PBW vs. ACES - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
PBW Invesco WilderHill Clean Energy ETF | 3.51% | 53.96% | -30.77% | -20.03% | -44.55% | -29.86% | 204.82% | 62.58% | -13.46% |
ACES ALPS Clean Energy ETF | 3.39% | 25.44% | -26.71% | -20.04% | -28.44% | -19.44% | 140.33% | 51.70% | -9.63% |
Returns By Period
The year-to-date returns for both stocks are quite close, with PBW having a 3.51% return and ACES slightly lower at 3.39%.
PBW
- 1D
- 4.99%
- 1M
- -2.46%
- YTD
- 3.51%
- 6M
- 9.88%
- 1Y
- 102.59%
- 3Y*
- -6.15%
- 5Y*
- -18.62%
- 10Y*
- 6.57%
ACES
- 1D
- 4.26%
- 1M
- 2.79%
- YTD
- 3.39%
- 6M
- 5.24%
- 1Y
- 47.29%
- 3Y*
- -9.44%
- 5Y*
- -14.81%
- 10Y*
- —
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PBW vs. ACES - Expense Ratio Comparison
PBW has a 0.61% expense ratio, which is higher than ACES's 0.55% expense ratio.
Return for Risk
PBW vs. ACES — Risk / Return Rank
PBW
ACES
PBW vs. ACES - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco WilderHill Clean Energy ETF (PBW) and ALPS Clean Energy ETF (ACES). 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.
| PBW | ACES | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.41 | 1.36 | +1.05 |
Sortino ratioReturn per unit of downside risk | 2.91 | 1.93 | +0.98 |
Omega ratioGain probability vs. loss probability | 1.35 | 1.23 | +0.12 |
Calmar ratioReturn relative to maximum drawdown | 4.66 | 2.66 | +2.00 |
Martin ratioReturn relative to average drawdown | 12.87 | 6.60 | +6.27 |
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
| PBW | ACES | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.41 | 1.36 | +1.05 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.44 | -0.41 | -0.02 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.17 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.07 | 0.14 | -0.21 |
Correlation
The correlation between PBW and ACES is 0.92, 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
PBW vs. ACES - Dividend Comparison
PBW's dividend yield for the trailing twelve months is around 0.86%, more than ACES's 0.68% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PBW Invesco WilderHill Clean Energy ETF | 0.86% | 0.79% | 2.84% | 3.68% | 4.21% | 1.71% | 0.44% | 1.45% | 2.04% | 1.28% | 2.68% | 1.53% |
ACES ALPS Clean Energy ETF | 0.68% | 0.70% | 1.10% | 1.44% | 1.08% | 0.71% | 0.56% | 1.79% | 0.34% | 0.00% | 0.00% | 0.00% |
Drawdowns
PBW vs. ACES - Drawdown Comparison
The maximum PBW drawdown since its inception was -89.02%, which is greater than ACES's maximum drawdown of -79.05%. Use the drawdown chart below to compare losses from any high point for PBW and ACES.
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Drawdown Indicators
| PBW | ACES | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -89.02% | -79.05% | -9.97% |
Max Drawdown (1Y)Largest decline over 1 year | -21.24% | -17.44% | -3.80% |
Max Drawdown (5Y)Largest decline over 5 years | -84.98% | -74.44% | -10.54% |
Max Drawdown (10Y)Largest decline over 10 years | -89.02% | — | — |
Current DrawdownCurrent decline from peak | -73.91% | -64.99% | -8.92% |
Average DrawdownAverage peak-to-trough decline | -62.86% | -38.35% | -24.51% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.70% | 7.03% | +0.67% |
Volatility
PBW vs. ACES - Volatility Comparison
Invesco WilderHill Clean Energy ETF (PBW) has a higher volatility of 12.60% compared to ALPS Clean Energy ETF (ACES) at 10.50%. This indicates that PBW's price experiences larger fluctuations and is considered to be riskier than ACES based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PBW | ACES | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.60% | 10.50% | +2.10% |
Volatility (6M)Calculated over the trailing 6-month period | 31.89% | 25.76% | +6.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 42.85% | 35.00% | +7.85% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 42.94% | 36.22% | +6.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 38.49% | 35.71% | +2.78% |