MDY vs. PBW
Compare and contrast key facts about SPDR S&P MidCap 400 ETF (MDY) and Invesco WilderHill Clean Energy ETF (PBW).
MDY and PBW are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MDY is a passively managed fund by State Street that tracks the performance of the S&P MidCap 400 Index. It was launched on May 4, 1995. 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 MDY 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
MDY vs. PBW - Performance Comparison
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MDY vs. PBW - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MDY SPDR S&P MidCap 400 ETF | 3.32% | 7.19% | 13.64% | 16.07% | -13.28% | 24.53% | 13.50% | 25.78% | -11.29% | 15.93% |
PBW Invesco WilderHill Clean Energy ETF | 3.51% | 53.96% | -30.77% | -20.03% | -44.55% | -29.86% | 204.82% | 62.58% | -14.11% | 39.92% |
Returns By Period
In the year-to-date period, MDY achieves a 3.32% return, which is significantly lower than PBW's 3.51% return. Over the past 10 years, MDY has outperformed PBW with an annualized return of 10.34%, while PBW has yielded a comparatively lower 6.57% annualized return.
MDY
- 1D
- 0.82%
- 1M
- -5.32%
- YTD
- 3.32%
- 6M
- 4.62%
- 1Y
- 17.32%
- 3Y*
- 12.06%
- 5Y*
- 6.51%
- 10Y*
- 10.34%
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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MDY vs. PBW - Expense Ratio Comparison
MDY has a 0.23% expense ratio, which is lower than PBW's 0.61% expense ratio.
Return for Risk
MDY vs. PBW — Risk / Return Rank
MDY
PBW
MDY vs. PBW - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR S&P MidCap 400 ETF (MDY) 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.
| MDY | PBW | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.82 | 2.37 | -1.55 |
Sortino ratioReturn per unit of downside risk | 1.30 | 2.88 | -1.58 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.34 | -0.16 |
Calmar ratioReturn relative to maximum drawdown | 1.28 | 4.83 | -3.55 |
Martin ratioReturn relative to average drawdown | 5.46 | 13.26 | -7.80 |
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
| MDY | PBW | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.82 | 2.37 | -1.55 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.33 | -0.44 | +0.77 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.49 | 0.17 | +0.32 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.51 | -0.07 | +0.59 |
Correlation
The correlation between MDY and PBW is 0.73, 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
MDY vs. PBW - Dividend Comparison
MDY's dividend yield for the trailing twelve months is around 1.15%, more than PBW's 0.86% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MDY SPDR S&P MidCap 400 ETF | 1.15% | 1.15% | 1.18% | 1.21% | 1.37% | 0.96% | 1.12% | 1.34% | 1.39% | 1.18% | 1.31% | 1.35% |
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
MDY vs. PBW - Drawdown Comparison
The maximum MDY drawdown since its inception was -55.33%, smaller than the maximum PBW drawdown of -89.02%. Use the drawdown chart below to compare losses from any high point for MDY and PBW.
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Drawdown Indicators
| MDY | PBW | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.33% | -89.02% | +33.69% |
Max Drawdown (1Y)Largest decline over 1 year | -14.07% | -21.24% | +7.17% |
Max Drawdown (5Y)Largest decline over 5 years | -24.03% | -84.98% | +60.95% |
Max Drawdown (10Y)Largest decline over 10 years | -42.22% | -89.02% | +46.80% |
Current DrawdownCurrent decline from peak | -5.36% | -73.91% | +68.55% |
Average DrawdownAverage peak-to-trough decline | -7.06% | -62.86% | +55.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.29% | 7.74% | -4.45% |
Volatility
MDY vs. PBW - Volatility Comparison
The current volatility for SPDR S&P MidCap 400 ETF (MDY) is 6.42%, while Invesco WilderHill Clean Energy ETF (PBW) has a volatility of 11.75%. This indicates that MDY 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
| MDY | PBW | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.42% | 11.75% | -5.33% |
Volatility (6M)Calculated over the trailing 6-month period | 11.89% | 31.89% | -20.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.11% | 42.80% | -21.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.78% | 42.93% | -23.15% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.17% | 38.48% | -17.31% |