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

Correlation

The correlation between IWM and IWO is 0.85, 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.


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.

200.00%300.00%400.00%500.00%600.00%December2025FebruaryMarchAprilMay
457.49%
300.74%
IWM
IWO

Key characteristics

Sharpe Ratio

IWM:

-0.05

IWO:

0.04

Sortino Ratio

IWM:

0.11

IWO:

0.24

Omega Ratio

IWM:

1.01

IWO:

1.03

Calmar Ratio

IWM:

-0.04

IWO:

0.03

Martin Ratio

IWM:

-0.12

IWO:

0.10

Ulcer Index

IWM:

9.27%

IWO:

9.50%

Daily Std Dev

IWM:

23.98%

IWO:

25.47%

Max Drawdown

IWM:

-59.05%

IWO:

-60.10%

Current Drawdown

IWM:

-18.13%

IWO:

-21.43%

Returns By Period

The year-to-date returns for both stocks are quite close, with IWM having a -10.45% return and IWO slightly lower at -10.51%. Both investments have delivered pretty close results over the past 10 years, with IWM having a 6.29% annualized return and IWO not far ahead at 6.35%.


IWM

YTD

-10.45%

1M

9.95%

6M

-16.34%

1Y

-2.58%

5Y*

9.73%

10Y*

6.29%

IWO

YTD

-10.51%

1M

11.43%

6M

-15.50%

1Y

-1.14%

5Y*

7.09%

10Y*

6.35%

*Annualized

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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%.


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 1717
Overall Rank
The Sharpe Ratio Rank of IWM is 1717
Sharpe Ratio Rank
The Sortino Ratio Rank of IWM is 1818
Sortino Ratio Rank
The Omega Ratio Rank of IWM is 1818
Omega Ratio Rank
The Calmar Ratio Rank of IWM is 1717
Calmar Ratio Rank
The Martin Ratio Rank of IWM is 1717
Martin Ratio Rank

IWO
The Risk-Adjusted Performance Rank of IWO is 2222
Overall Rank
The Sharpe Ratio Rank of IWO is 2121
Sharpe Ratio Rank
The Sortino Ratio Rank of IWO is 2323
Sortino Ratio Rank
The Omega Ratio Rank of IWO is 2222
Omega Ratio Rank
The Calmar Ratio Rank of IWO is 2121
Calmar Ratio Rank
The Martin Ratio Rank of IWO is 2121
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.


The current IWM Sharpe Ratio is -0.05, which is lower than the IWO Sharpe Ratio of 0.04. 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 Ratio-1.00-0.500.000.501.001.502.002.50December2025FebruaryMarchAprilMay
-0.11
-0.05
IWM
IWO

Dividends

IWM vs. IWO - Dividend Comparison

IWM's dividend yield for the trailing twelve months is around 1.25%, more than IWO's 0.91% yield.


TTM20242023202220212020201920182017201620152014
IWM
iShares Russell 2000 ETF
1.25%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
0.91%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.


-35.00%-30.00%-25.00%-20.00%-15.00%-10.00%-5.00%0.00%December2025FebruaryMarchAprilMay
-18.13%
-21.43%
IWM
IWO

Volatility

IWM vs. IWO - Volatility Comparison

The current volatility for iShares Russell 2000 ETF (IWM) is 11.12%, while iShares Russell 2000 Growth ETF (IWO) has a volatility of 12.24%. This indicates that IWM experiences smaller price fluctuations and is considered to be less risky than IWO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


4.00%6.00%8.00%10.00%12.00%14.00%16.00%December2025FebruaryMarchAprilMay
11.12%
12.24%
IWM
IWO