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IWM vs. IWO
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between IWM and IWO is 0.97, 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.


-0.50.00.51.01.0

Performance

IWM vs. IWO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell 2000 ETF (IWM) and iShares Russell 2000 Growth ETF (IWO). The values are adjusted to include any dividend payments, if applicable.

-10.00%-5.00%0.00%5.00%10.00%AugustSeptemberOctoberNovemberDecember2025
3.88%
6.57%
IWM
IWO

Key characteristics

Sharpe Ratio

IWM:

1.06

IWO:

1.23

Sortino Ratio

IWM:

1.57

IWO:

1.79

Omega Ratio

IWM:

1.19

IWO:

1.21

Calmar Ratio

IWM:

1.20

IWO:

1.00

Martin Ratio

IWM:

5.25

IWO:

6.01

Ulcer Index

IWM:

4.19%

IWO:

4.39%

Daily Std Dev

IWM:

20.81%

IWO:

21.45%

Max Drawdown

IWM:

-59.05%

IWO:

-60.10%

Current Drawdown

IWM:

-4.92%

IWO:

-7.95%

Returns By Period

In the year-to-date period, IWM achieves a 4.00% return, which is significantly lower than IWO's 4.85% return. Both investments have delivered pretty close results over the past 10 years, with IWM having a 8.34% annualized return and IWO not far ahead at 8.68%.


IWM

YTD

4.00%

1M

3.55%

6M

3.88%

1Y

18.29%

5Y*

7.95%

10Y*

8.34%

IWO

YTD

4.85%

1M

3.76%

6M

6.57%

1Y

22.65%

5Y*

7.21%

10Y*

8.68%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


IWM vs. IWO - Expense Ratio Comparison

IWM has a 0.19% expense ratio, which is lower than IWO's 0.24% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.


IWO
iShares Russell 2000 Growth ETF
Expense ratio chart for IWO: current value at 0.24% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.24%
Expense ratio chart for IWM: current value at 0.19% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.19%

Risk-Adjusted Performance

IWM vs. IWO — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

IWM
The Risk-Adjusted Performance Rank of IWM is 4343
Overall Rank
The Sharpe Ratio Rank of IWM is 4040
Sharpe Ratio Rank
The Sortino Ratio Rank of IWM is 4040
Sortino Ratio Rank
The Omega Ratio Rank of IWM is 3939
Omega Ratio Rank
The Calmar Ratio Rank of IWM is 4646
Calmar Ratio Rank
The Martin Ratio Rank of IWM is 4848
Martin Ratio Rank

IWO
The Risk-Adjusted Performance Rank of IWO is 4747
Overall Rank
The Sharpe Ratio Rank of IWO is 4848
Sharpe Ratio Rank
The Sortino Ratio Rank of IWO is 4848
Sortino Ratio Rank
The Omega Ratio Rank of IWO is 4444
Omega Ratio Rank
The Calmar Ratio Rank of IWO is 4141
Calmar Ratio Rank
The Martin Ratio Rank of IWO is 5252
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

IWM vs. IWO - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2000 ETF (IWM) and iShares Russell 2000 Growth ETF (IWO). 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.


Sharpe ratio
The chart of Sharpe ratio for IWM, currently valued at 1.06, compared to the broader market0.002.004.001.061.23
The chart of Sortino ratio for IWM, currently valued at 1.57, compared to the broader market0.005.0010.0015.001.571.79
The chart of Omega ratio for IWM, currently valued at 1.19, compared to the broader market1.002.003.001.191.21
The chart of Calmar ratio for IWM, currently valued at 1.20, compared to the broader market0.005.0010.0015.0020.001.201.00
The chart of Martin ratio for IWM, currently valued at 5.25, compared to the broader market0.0020.0040.0060.0080.00100.005.256.01
IWM
IWO

The current IWM Sharpe Ratio is 1.06, which is comparable to the IWO Sharpe Ratio of 1.23. The chart below compares the historical Sharpe Ratios of IWM and IWO, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.501.001.502.00AugustSeptemberOctoberNovemberDecember2025
1.06
1.23
IWM
IWO

Dividends

IWM vs. IWO - Dividend Comparison

IWM's dividend yield for the trailing twelve months is around 1.10%, more than IWO's 0.76% yield.


TTM20242023202220212020201920182017201620152014
IWM
iShares Russell 2000 ETF
1.10%1.15%1.35%1.48%0.94%1.04%1.26%1.40%1.26%1.38%1.54%1.26%
IWO
iShares Russell 2000 Growth ETF
0.76%0.80%0.73%0.75%0.32%0.44%0.71%0.76%0.73%0.97%0.89%0.73%

Drawdowns

IWM vs. IWO - Drawdown Comparison

The maximum IWM drawdown since its inception was -59.05%, roughly equal to the maximum IWO drawdown of -60.10%. Use the drawdown chart below to compare losses from any high point for IWM and IWO. For additional features, visit the drawdowns tool.


-20.00%-15.00%-10.00%-5.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-4.92%
-7.95%
IWM
IWO

Volatility

IWM vs. IWO - Volatility Comparison

iShares Russell 2000 ETF (IWM) and iShares Russell 2000 Growth ETF (IWO) have volatilities of 6.73% and 7.04%, 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.


4.00%5.00%6.00%7.00%8.00%9.00%10.00%AugustSeptemberOctoberNovemberDecember2025
6.73%
7.04%
IWM
IWO
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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