PBD vs. ACES
Compare and contrast key facts about Invesco Global Clean Energy ETF (PBD) and ALPS Clean Energy ETF (ACES).
PBD and ACES are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. PBD is a passively managed fund by Invesco that tracks the performance of the WilderHill New Energy Global Innovation index. It was launched on Jun 13, 2007. 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 PBD 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
PBD vs. ACES - Performance Comparison
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PBD vs. ACES - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
PBD Invesco Global Clean Energy ETF | 11.61% | 43.65% | -26.39% | -10.69% | -29.70% | -22.30% | 145.46% | 40.00% | -10.67% |
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
In the year-to-date period, PBD achieves a 11.61% return, which is significantly higher than ACES's 3.39% return.
PBD
- 1D
- 3.34%
- 1M
- -2.23%
- YTD
- 11.61%
- 6M
- 19.78%
- 1Y
- 74.57%
- 3Y*
- -0.76%
- 5Y*
- -9.29%
- 10Y*
- 7.28%
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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PBD vs. ACES - Expense Ratio Comparison
PBD has a 0.75% expense ratio, which is higher than ACES's 0.55% expense ratio.
Return for Risk
PBD vs. ACES — Risk / Return Rank
PBD
ACES
PBD vs. ACES - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco Global Clean Energy ETF (PBD) 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.
| PBD | ACES | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.96 | 1.36 | +1.60 |
Sortino ratioReturn per unit of downside risk | 3.67 | 1.93 | +1.74 |
Omega ratioGain probability vs. loss probability | 1.49 | 1.23 | +0.26 |
Calmar ratioReturn relative to maximum drawdown | 5.24 | 2.66 | +2.58 |
Martin ratioReturn relative to average drawdown | 19.56 | 6.60 | +12.96 |
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
| PBD | ACES | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.96 | 1.36 | +1.60 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.33 | -0.41 | +0.08 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.27 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.01 | 0.14 | -0.15 |
Correlation
The correlation between PBD and ACES is 0.85, 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
PBD vs. ACES - Dividend Comparison
PBD's dividend yield for the trailing twelve months is around 2.02%, more than ACES's 0.68% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PBD Invesco Global Clean Energy ETF | 2.02% | 2.71% | 1.81% | 2.85% | 2.98% | 0.67% | 0.48% | 1.83% | 1.86% | 1.76% | 2.04% | 1.24% |
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
PBD vs. ACES - Drawdown Comparison
The maximum PBD drawdown since its inception was -78.60%, roughly equal to the maximum ACES drawdown of -79.05%. Use the drawdown chart below to compare losses from any high point for PBD and ACES.
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Drawdown Indicators
| PBD | ACES | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -78.60% | -79.05% | +0.45% |
Max Drawdown (1Y)Largest decline over 1 year | -13.51% | -17.44% | +3.93% |
Max Drawdown (5Y)Largest decline over 5 years | -69.26% | -74.44% | +5.18% |
Max Drawdown (10Y)Largest decline over 10 years | -75.40% | — | — |
Current DrawdownCurrent decline from peak | -50.86% | -64.99% | +14.13% |
Average DrawdownAverage peak-to-trough decline | -53.49% | -38.35% | -15.14% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.62% | 7.03% | -3.41% |
Volatility
PBD vs. ACES - Volatility Comparison
The current volatility for Invesco Global Clean Energy ETF (PBD) is 9.50%, while ALPS Clean Energy ETF (ACES) has a volatility of 10.50%. This indicates that PBD experiences smaller price fluctuations and is considered to be less risky 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
| PBD | ACES | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.50% | 10.50% | -1.00% |
Volatility (6M)Calculated over the trailing 6-month period | 17.96% | 25.76% | -7.80% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.46% | 35.00% | -9.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.43% | 36.22% | -7.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.11% | 35.71% | -8.60% |