ACES vs. PBW
Compare and contrast key facts about ALPS Clean Energy ETF (ACES) and Invesco WilderHill Clean Energy ETF (PBW).
ACES and PBW are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. 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. 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. Both ACES and PBW 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
ACES vs. PBW - Performance Comparison
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ACES vs. PBW - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
ACES ALPS Clean Energy ETF | 3.83% | 25.44% | -26.71% | -20.04% | -28.44% | -19.44% | 140.33% | 51.70% | -9.63% |
PBW Invesco WilderHill Clean Energy ETF | 3.51% | 53.96% | -30.77% | -20.03% | -44.55% | -29.86% | 204.82% | 62.58% | -13.46% |
Returns By Period
In the year-to-date period, ACES achieves a 3.83% return, which is significantly higher than PBW's 3.51% return.
ACES
- 1D
- 0.42%
- 1M
- 2.78%
- YTD
- 3.83%
- 6M
- 0.93%
- 1Y
- 45.74%
- 3Y*
- -9.31%
- 5Y*
- -14.74%
- 10Y*
- —
PBW
- 1D
- 0.00%
- 1M
- -4.70%
- YTD
- 3.51%
- 6M
- 3.91%
- 1Y
- 100.93%
- 3Y*
- -6.15%
- 5Y*
- -18.62%
- 10Y*
- 6.57%
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ACES vs. PBW - Expense Ratio Comparison
ACES has a 0.55% expense ratio, which is lower than PBW's 0.61% expense ratio.
Return for Risk
ACES vs. PBW — Risk / Return Rank
ACES
PBW
ACES vs. PBW - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ALPS Clean Energy ETF (ACES) and Invesco WilderHill Clean Energy ETF (PBW). 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.
| ACES | PBW | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.31 | 2.37 | -1.06 |
Sortino ratioReturn per unit of downside risk | 1.88 | 2.88 | -1.00 |
Omega ratioGain probability vs. loss probability | 1.22 | 1.34 | -0.12 |
Calmar ratioReturn relative to maximum drawdown | 2.75 | 4.83 | -2.08 |
Martin ratioReturn relative to average drawdown | 6.79 | 13.26 | -6.47 |
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
| ACES | PBW | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.31 | 2.37 | -1.06 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.41 | -0.44 | +0.03 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.17 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.14 | -0.07 | +0.21 |
Correlation
The correlation between ACES and PBW 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
ACES vs. PBW - Dividend Comparison
ACES's dividend yield for the trailing twelve months is around 0.67%, less than PBW's 0.86% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACES ALPS Clean Energy ETF | 0.67% | 0.70% | 1.10% | 1.44% | 1.08% | 0.71% | 0.56% | 1.79% | 0.34% | 0.00% | 0.00% | 0.00% |
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% |
Drawdowns
ACES vs. PBW - Drawdown Comparison
The maximum ACES drawdown since its inception was -79.05%, smaller than the maximum PBW drawdown of -89.02%. Use the drawdown chart below to compare losses from any high point for ACES and PBW.
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Drawdown Indicators
| ACES | PBW | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -79.05% | -89.02% | +9.97% |
Max Drawdown (1Y)Largest decline over 1 year | -17.44% | -21.24% | +3.80% |
Max Drawdown (5Y)Largest decline over 5 years | -74.44% | -84.98% | +10.54% |
Max Drawdown (10Y)Largest decline over 10 years | — | -89.02% | — |
Current DrawdownCurrent decline from peak | -64.84% | -73.91% | +9.07% |
Average DrawdownAverage peak-to-trough decline | -38.36% | -62.86% | +24.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.06% | 7.74% | -0.68% |
Volatility
ACES vs. PBW - Volatility Comparison
The current volatility for ALPS Clean Energy ETF (ACES) is 10.42%, while Invesco WilderHill Clean Energy ETF (PBW) has a volatility of 11.75%. This indicates that ACES experiences smaller price fluctuations and is considered to be less risky than PBW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACES | PBW | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.42% | 11.75% | -1.33% |
Volatility (6M)Calculated over the trailing 6-month period | 25.74% | 31.89% | -6.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.99% | 42.80% | -7.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.22% | 42.93% | -6.71% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 35.70% | 38.48% | -2.78% |