MDYG vs. RWK
Compare and contrast key facts about SPDR S&P 400 Mid Cap Growth ETF (MDYG) and Invesco S&P MidCap 400 Revenue ETF (RWK).
MDYG and RWK are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MDYG is a passively managed fund by State Street that tracks the performance of the S&P MidCap 400 Growth Index. It was launched on Nov 8, 2005. RWK is a passively managed fund by Invesco that tracks the performance of the S&P MidCap 400 Revenue-Weighted Index. It was launched on Feb 22, 2008. Both MDYG and RWK 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
MDYG vs. RWK - Performance Comparison
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MDYG vs. RWK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MDYG SPDR S&P 400 Mid Cap Growth ETF | 5.12% | 7.22% | 15.84% | 17.30% | -18.92% | 18.46% | 22.57% | 26.10% | -10.46% | 19.61% |
RWK Invesco S&P MidCap 400 Revenue ETF | 2.68% | 10.27% | 11.94% | 23.76% | -8.19% | 34.31% | 11.06% | 28.20% | -14.65% | 13.39% |
Returns By Period
In the year-to-date period, MDYG achieves a 5.12% return, which is significantly higher than RWK's 2.68% return. Over the past 10 years, MDYG has underperformed RWK with an annualized return of 10.61%, while RWK has yielded a comparatively higher 11.75% annualized return.
MDYG
- 1D
- 1.12%
- 1M
- -5.69%
- YTD
- 5.12%
- 6M
- 6.18%
- 1Y
- 22.14%
- 3Y*
- 13.40%
- 5Y*
- 5.95%
- 10Y*
- 10.61%
RWK
- 1D
- 0.91%
- 1M
- -3.93%
- YTD
- 2.68%
- 6M
- 3.96%
- 1Y
- 20.68%
- 3Y*
- 14.00%
- 5Y*
- 9.70%
- 10Y*
- 11.75%
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MDYG vs. RWK - Expense Ratio Comparison
MDYG has a 0.15% expense ratio, which is lower than RWK's 0.39% expense ratio.
Return for Risk
MDYG vs. RWK — Risk / Return Rank
MDYG
RWK
MDYG vs. RWK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR S&P 400 Mid Cap Growth ETF (MDYG) and Invesco S&P MidCap 400 Revenue ETF (RWK). 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.
| MDYG | RWK | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.00 | 0.94 | +0.06 |
Sortino ratioReturn per unit of downside risk | 1.54 | 1.50 | +0.04 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.20 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.69 | 1.52 | +0.16 |
Martin ratioReturn relative to average drawdown | 7.23 | 5.34 | +1.89 |
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
| MDYG | RWK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.00 | 0.94 | +0.06 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.29 | 0.46 | -0.17 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.51 | 0.51 | -0.01 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.45 | 0.46 | 0.00 |
Correlation
The correlation between MDYG and RWK is 0.89, 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
MDYG vs. RWK - Dividend Comparison
MDYG's dividend yield for the trailing twelve months is around 0.69%, less than RWK's 1.24% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MDYG SPDR S&P 400 Mid Cap Growth ETF | 0.69% | 0.75% | 0.87% | 1.20% | 1.16% | 0.69% | 0.71% | 1.21% | 1.36% | 2.23% | 1.25% | 2.51% |
RWK Invesco S&P MidCap 400 Revenue ETF | 1.24% | 1.25% | 1.11% | 1.05% | 1.18% | 0.85% | 0.96% | 1.09% | 1.22% | 0.99% | 1.30% | 0.92% |
Drawdowns
MDYG vs. RWK - Drawdown Comparison
The maximum MDYG drawdown since its inception was -58.44%, roughly equal to the maximum RWK drawdown of -56.49%. Use the drawdown chart below to compare losses from any high point for MDYG and RWK.
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Drawdown Indicators
| MDYG | RWK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.44% | -56.49% | -1.95% |
Max Drawdown (1Y)Largest decline over 1 year | -13.66% | -14.17% | +0.51% |
Max Drawdown (5Y)Largest decline over 5 years | -29.26% | -24.58% | -4.68% |
Max Drawdown (10Y)Largest decline over 10 years | -39.27% | -46.20% | +6.93% |
Current DrawdownCurrent decline from peak | -5.69% | -6.85% | +1.16% |
Average DrawdownAverage peak-to-trough decline | -8.08% | -7.60% | -0.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.18% | 4.04% | -0.86% |
Volatility
MDYG vs. RWK - Volatility Comparison
SPDR S&P 400 Mid Cap Growth ETF (MDYG) has a higher volatility of 7.89% compared to Invesco S&P MidCap 400 Revenue ETF (RWK) at 5.93%. This indicates that MDYG's price experiences larger fluctuations and is considered to be riskier than RWK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MDYG | RWK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.89% | 5.93% | +1.96% |
Volatility (6M)Calculated over the trailing 6-month period | 13.31% | 12.15% | +1.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.21% | 21.99% | +0.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.55% | 21.14% | -0.59% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.99% | 22.93% | -1.94% |