RWM vs. IWM
Compare and contrast key facts about ProShares Short Russell2000 (RWM) and iShares Russell 2000 ETF (IWM).
RWM and IWM are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. RWM is a passively managed fund by ProShares that tracks the performance of the Russell 2000 (-100%). It was launched on Jan 23, 2007. IWM is a passively managed fund by iShares that tracks the performance of the Russell 2000 Index. It was launched on May 22, 2000. Both RWM and IWM 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
RWM vs. IWM - Performance Comparison
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RWM vs. IWM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RWM ProShares Short Russell2000 | -0.52% | -9.40% | -5.91% | -10.43% | 18.34% | -17.90% | -31.04% | -19.83% | 11.57% | -13.61% |
IWM iShares Russell 2000 ETF | 0.93% | 12.66% | 11.38% | 16.83% | -20.48% | 14.54% | 20.03% | 25.39% | -11.12% | 14.58% |
Returns By Period
In the year-to-date period, RWM achieves a -0.52% return, which is significantly lower than IWM's 0.93% return. Over the past 10 years, RWM has underperformed IWM with an annualized return of -11.01%, while IWM has yielded a comparatively higher 9.76% annualized return.
RWM
- 1D
- -3.51%
- 1M
- 5.06%
- YTD
- -0.52%
- 6M
- -1.93%
- 1Y
- -19.15%
- 3Y*
- -8.15%
- 5Y*
- -2.92%
- 10Y*
- -11.01%
IWM
- 1D
- 3.50%
- 1M
- -4.96%
- YTD
- 0.93%
- 6M
- 3.02%
- 1Y
- 25.66%
- 3Y*
- 12.94%
- 5Y*
- 3.34%
- 10Y*
- 9.76%
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RWM vs. IWM - Expense Ratio Comparison
RWM has a 0.95% expense ratio, which is higher than IWM's 0.19% expense ratio.
Return for Risk
RWM vs. IWM — Risk / Return Rank
RWM
IWM
RWM vs. IWM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Short Russell2000 (RWM) and iShares Russell 2000 ETF (IWM). 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.
| RWM | IWM | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.83 | 1.11 | -1.94 |
Sortino ratioReturn per unit of downside risk | -1.09 | 1.66 | -2.75 |
Omega ratioGain probability vs. loss probability | 0.87 | 1.21 | -0.34 |
Calmar ratioReturn relative to maximum drawdown | -0.54 | 1.82 | -2.37 |
Martin ratioReturn relative to average drawdown | -0.74 | 6.76 | -7.51 |
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
| RWM | IWM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.83 | 1.11 | -1.94 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.13 | 0.15 | -0.28 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.48 | 0.43 | -0.90 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.46 | 0.34 | -0.81 |
Correlation
The correlation between RWM and IWM is -0.99. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.
Dividends
RWM vs. IWM - Dividend Comparison
RWM's dividend yield for the trailing twelve months is around 3.57%, more than IWM's 1.02% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RWM ProShares Short Russell2000 | 3.57% | 3.97% | 6.03% | 4.78% | 0.39% | 0.00% | 0.20% | 1.55% | 0.87% | 0.07% | 0.00% | 0.00% |
IWM iShares Russell 2000 ETF | 1.02% | 1.04% | 1.15% | 1.35% | 1.48% | 0.94% | 1.04% | 1.26% | 1.40% | 1.26% | 1.38% | 1.54% |
Drawdowns
RWM vs. IWM - Drawdown Comparison
The maximum RWM drawdown since its inception was -95.12%, which is greater than IWM's maximum drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for RWM and IWM.
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Drawdown Indicators
| RWM | IWM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -95.12% | -59.05% | -36.07% |
Max Drawdown (1Y)Largest decline over 1 year | -34.53% | -13.74% | -20.79% |
Max Drawdown (5Y)Largest decline over 5 years | -36.80% | -31.91% | -4.89% |
Max Drawdown (10Y)Largest decline over 10 years | -71.94% | -41.13% | -30.81% |
Current DrawdownCurrent decline from peak | -94.70% | -7.91% | -86.79% |
Average DrawdownAverage peak-to-trough decline | -73.85% | -10.83% | -63.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 25.23% | 3.70% | +21.53% |
Volatility
RWM vs. IWM - Volatility Comparison
ProShares Short Russell2000 (RWM) and iShares Russell 2000 ETF (IWM) have volatilities of 7.47% and 7.47%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RWM | IWM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.47% | 7.47% | 0.00% |
Volatility (6M)Calculated over the trailing 6-month period | 14.43% | 14.47% | -0.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.18% | 23.18% | 0.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.58% | 22.55% | +0.03% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.07% | 22.99% | +0.08% |