IYY vs. IWM
Compare and contrast key facts about iShares Dow Jones U.S. ETF (IYY) and iShares Russell 2000 ETF (IWM).
IYY and IWM are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IYY is a passively managed fund by iShares that tracks the performance of the Dow Jones U.S. Index. It was launched on Jun 12, 2000. 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 IYY 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
IYY vs. IWM - Performance Comparison
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IYY vs. IWM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IYY iShares Dow Jones U.S. ETF | -4.22% | 17.08% | 24.15% | 26.48% | -19.57% | 26.38% | 20.10% | 30.78% | -5.16% | 21.33% |
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, IYY achieves a -4.22% return, which is significantly lower than IWM's 0.93% return. Over the past 10 years, IYY has outperformed IWM with an annualized return of 13.55%, while IWM has yielded a comparatively lower 9.76% annualized return.
IYY
- 1D
- 2.98%
- 1M
- -4.99%
- YTD
- -4.22%
- 6M
- -1.98%
- 1Y
- 17.60%
- 3Y*
- 17.89%
- 5Y*
- 10.74%
- 10Y*
- 13.55%
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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IYY vs. IWM - Expense Ratio Comparison
IYY has a 0.20% expense ratio, which is higher than IWM's 0.19% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
IYY vs. IWM — Risk / Return Rank
IYY
IWM
IYY vs. IWM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Dow Jones U.S. ETF (IYY) 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.
| IYY | IWM | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.97 | 1.11 | -0.15 |
Sortino ratioReturn per unit of downside risk | 1.47 | 1.66 | -0.19 |
Omega ratioGain probability vs. loss probability | 1.22 | 1.21 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.50 | 1.82 | -0.33 |
Martin ratioReturn relative to average drawdown | 7.06 | 6.76 | +0.30 |
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
| IYY | IWM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.97 | 1.11 | -0.15 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.63 | 0.15 | +0.48 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.75 | 0.43 | +0.32 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.41 | 0.34 | +0.07 |
Correlation
The correlation between IYY and IWM 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
IYY vs. IWM - Dividend Comparison
IYY's dividend yield for the trailing twelve months is around 1.01%, which matches IWM's 1.02% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IYY iShares Dow Jones U.S. ETF | 1.01% | 0.95% | 1.05% | 1.29% | 1.48% | 1.04% | 1.31% | 1.80% | 1.97% | 1.62% | 1.81% | 1.97% |
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
IYY vs. IWM - Drawdown Comparison
The maximum IYY drawdown since its inception was -55.17%, smaller than the maximum IWM drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for IYY and IWM.
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Drawdown Indicators
| IYY | IWM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.17% | -59.05% | +3.88% |
Max Drawdown (1Y)Largest decline over 1 year | -12.15% | -13.74% | +1.59% |
Max Drawdown (5Y)Largest decline over 5 years | -25.46% | -31.91% | +6.45% |
Max Drawdown (10Y)Largest decline over 10 years | -34.90% | -41.13% | +6.23% |
Current DrawdownCurrent decline from peak | -6.23% | -7.91% | +1.68% |
Average DrawdownAverage peak-to-trough decline | -10.91% | -10.83% | -0.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.58% | 3.70% | -1.12% |
Volatility
IYY vs. IWM - Volatility Comparison
The current volatility for iShares Dow Jones U.S. ETF (IYY) is 5.44%, while iShares Russell 2000 ETF (IWM) has a volatility of 7.47%. This indicates that IYY experiences smaller price fluctuations and is considered to be less risky than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IYY | IWM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.44% | 7.47% | -2.03% |
Volatility (6M)Calculated over the trailing 6-month period | 9.65% | 14.47% | -4.82% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.30% | 23.18% | -4.88% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.13% | 22.55% | -5.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.15% | 22.99% | -4.84% |