RFG vs. MID
Compare and contrast key facts about Invesco S&P MidCap 400® Pure Growth ETF (RFG) and American Century Mid Cap Growth Impact ETF (MID).
RFG and MID are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. RFG is a passively managed fund by Invesco that tracks the performance of the S&P Mid Cap 400 Pure Growth. It was launched on Mar 1, 2006. MID is an actively managed fund by American Century. It was launched on Jul 15, 2020.
Performance
RFG vs. MID - Performance Comparison
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RFG vs. MID - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
RFG Invesco S&P MidCap 400® Pure Growth ETF | 5.89% | 8.80% | 17.80% | 16.42% | -21.70% | 13.81% | 30.40% |
MID American Century Mid Cap Growth Impact ETF | -5.07% | 8.22% | 19.40% | 22.20% | -27.44% | 10.39% | 29.63% |
Returns By Period
In the year-to-date period, RFG achieves a 5.89% return, which is significantly higher than MID's -5.07% return.
RFG
- 1D
- 1.27%
- 1M
- -5.93%
- YTD
- 5.89%
- 6M
- 8.54%
- 1Y
- 26.07%
- 3Y*
- 15.48%
- 5Y*
- 5.10%
- 10Y*
- 9.17%
MID
- 1D
- 1.22%
- 1M
- -6.24%
- YTD
- -5.07%
- 6M
- -6.98%
- 1Y
- 8.68%
- 3Y*
- 10.93%
- 5Y*
- 4.16%
- 10Y*
- —
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RFG vs. MID - Expense Ratio Comparison
RFG has a 0.35% expense ratio, which is lower than MID's 0.45% expense ratio.
Return for Risk
RFG vs. MID — Risk / Return Rank
RFG
MID
RFG vs. MID - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco S&P MidCap 400® Pure Growth ETF (RFG) and American Century Mid Cap Growth Impact ETF (MID). 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.
| RFG | MID | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.13 | 0.38 | +0.75 |
Sortino ratioReturn per unit of downside risk | 1.71 | 0.70 | +1.02 |
Omega ratioGain probability vs. loss probability | 1.23 | 1.09 | +0.13 |
Calmar ratioReturn relative to maximum drawdown | 2.02 | 0.64 | +1.38 |
Martin ratioReturn relative to average drawdown | 8.69 | 2.07 | +6.62 |
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
| RFG | MID | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.13 | 0.38 | +0.75 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.23 | 0.18 | +0.05 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.40 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.40 | 0.34 | +0.06 |
Correlation
The correlation between RFG and MID is 0.87, 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
RFG vs. MID - Dividend Comparison
RFG's dividend yield for the trailing twelve months is around 0.36%, more than MID's 0.17% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RFG Invesco S&P MidCap 400® Pure Growth ETF | 0.36% | 0.43% | 0.38% | 0.99% | 0.78% | 0.05% | 0.27% | 0.64% | 0.76% | 0.66% | 0.35% | 0.61% |
MID American Century Mid Cap Growth Impact ETF | 0.17% | 0.18% | 0.17% | 0.02% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
RFG vs. MID - Drawdown Comparison
The maximum RFG drawdown since its inception was -51.93%, which is greater than MID's maximum drawdown of -40.15%. Use the drawdown chart below to compare losses from any high point for RFG and MID.
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Drawdown Indicators
| RFG | MID | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.93% | -40.15% | -11.78% |
Max Drawdown (1Y)Largest decline over 1 year | -13.44% | -14.50% | +1.06% |
Max Drawdown (5Y)Largest decline over 5 years | -35.16% | -40.15% | +4.99% |
Max Drawdown (10Y)Largest decline over 10 years | -42.92% | — | — |
Current DrawdownCurrent decline from peak | -5.93% | -10.42% | +4.49% |
Average DrawdownAverage peak-to-trough decline | -9.03% | -13.68% | +4.65% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.13% | 4.50% | -1.37% |
Volatility
RFG vs. MID - Volatility Comparison
Invesco S&P MidCap 400® Pure Growth ETF (RFG) has a higher volatility of 8.51% compared to American Century Mid Cap Growth Impact ETF (MID) at 6.22%. This indicates that RFG's price experiences larger fluctuations and is considered to be riskier than MID based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RFG | MID | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.51% | 6.22% | +2.29% |
Volatility (6M)Calculated over the trailing 6-month period | 14.24% | 13.12% | +1.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.28% | 23.03% | +0.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.73% | 23.71% | -0.98% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.98% | 24.09% | -1.11% |