RWK vs. ISCB
Compare and contrast key facts about Invesco S&P MidCap 400 Revenue ETF (RWK) and iShares Morningstar Small-Cap ETF (ISCB).
RWK and ISCB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. 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. ISCB is a passively managed fund by iShares that tracks the performance of the Morningstar US Small Cap Extended Index. It was launched on Jun 28, 2004. Both RWK and ISCB 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
RWK vs. ISCB - Performance Comparison
Loading graphics...
RWK vs. ISCB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RWK Invesco S&P MidCap 400 Revenue ETF | 1.75% | 10.27% | 11.94% | 23.76% | -8.19% | 34.31% | 11.06% | 28.20% | -14.65% | 13.39% |
ISCB iShares Morningstar Small-Cap ETF | 0.40% | 12.46% | 10.90% | 19.51% | -19.04% | 17.46% | 6.29% | 29.42% | -13.92% | 12.95% |
Returns By Period
In the year-to-date period, RWK achieves a 1.75% return, which is significantly higher than ISCB's 0.40% return. Over the past 10 years, RWK has outperformed ISCB with an annualized return of 11.65%, while ISCB has yielded a comparatively lower 8.52% annualized return.
RWK
- 1D
- 2.65%
- 1M
- -4.67%
- YTD
- 1.75%
- 6M
- 3.23%
- 1Y
- 20.47%
- 3Y*
- 13.66%
- 5Y*
- 9.50%
- 10Y*
- 11.65%
ISCB
- 1D
- 2.94%
- 1M
- -5.35%
- YTD
- 0.40%
- 6M
- 3.40%
- 1Y
- 21.91%
- 3Y*
- 12.76%
- 5Y*
- 4.17%
- 10Y*
- 8.52%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
RWK vs. ISCB - Expense Ratio Comparison
RWK has a 0.39% expense ratio, which is higher than ISCB's 0.04% expense ratio.
Return for Risk
RWK vs. ISCB — Risk / Return Rank
RWK
ISCB
RWK vs. ISCB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco S&P MidCap 400 Revenue ETF (RWK) and iShares Morningstar Small-Cap ETF (ISCB). 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.
| RWK | ISCB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.94 | 0.99 | -0.05 |
Sortino ratioReturn per unit of downside risk | 1.48 | 1.52 | -0.04 |
Omega ratioGain probability vs. loss probability | 1.20 | 1.20 | -0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.46 | 1.47 | -0.02 |
Martin ratioReturn relative to average drawdown | 5.14 | 6.36 | -1.21 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| RWK | ISCB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.94 | 0.99 | -0.05 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.45 | 0.20 | +0.26 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.51 | 0.38 | +0.13 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.45 | 0.36 | +0.09 |
Correlation
The correlation between RWK and ISCB is 0.91, 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
RWK vs. ISCB - Dividend Comparison
RWK's dividend yield for the trailing twelve months is around 1.25%, less than ISCB's 1.41% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RWK Invesco S&P MidCap 400 Revenue ETF | 1.25% | 1.25% | 1.11% | 1.05% | 1.18% | 0.85% | 0.96% | 1.09% | 1.22% | 0.99% | 1.30% | 0.92% |
ISCB iShares Morningstar Small-Cap ETF | 1.41% | 1.38% | 1.31% | 1.49% | 1.63% | 1.26% | 1.26% | 1.25% | 1.60% | 1.24% | 1.58% | 1.40% |
Drawdowns
RWK vs. ISCB - Drawdown Comparison
The maximum RWK drawdown since its inception was -56.49%, smaller than the maximum ISCB drawdown of -61.25%. Use the drawdown chart below to compare losses from any high point for RWK and ISCB.
Loading graphics...
Drawdown Indicators
| RWK | ISCB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -56.49% | -61.25% | +4.76% |
Max Drawdown (1Y)Largest decline over 1 year | -14.17% | -14.68% | +0.51% |
Max Drawdown (5Y)Largest decline over 5 years | -24.58% | -29.94% | +5.36% |
Max Drawdown (10Y)Largest decline over 10 years | -46.20% | -44.18% | -2.02% |
Current DrawdownCurrent decline from peak | -7.69% | -6.73% | -0.96% |
Average DrawdownAverage peak-to-trough decline | -7.60% | -9.87% | +2.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.01% | 3.40% | +0.61% |
Volatility
RWK vs. ISCB - Volatility Comparison
The current volatility for Invesco S&P MidCap 400 Revenue ETF (RWK) is 5.93%, while iShares Morningstar Small-Cap ETF (ISCB) has a volatility of 6.42%. This indicates that RWK experiences smaller price fluctuations and is considered to be less risky than ISCB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| RWK | ISCB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.93% | 6.42% | -0.49% |
Volatility (6M)Calculated over the trailing 6-month period | 12.12% | 12.66% | -0.54% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.97% | 22.28% | -0.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.14% | 21.45% | -0.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.93% | 22.67% | +0.26% |