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

Correlation

The correlation between IWB and IWM is 0.86, 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.


-0.50.00.51.00.9

Performance

IWB vs. IWM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell 1000 ETF (IWB) and iShares Russell 2000 ETF (IWM). The values are adjusted to include any dividend payments, if applicable.

500.00%550.00%600.00%AugustSeptemberOctoberNovemberDecember2025
593.71%
581.23%
IWB
IWM

Key characteristics

Sharpe Ratio

IWB:

2.19

IWM:

0.98

Sortino Ratio

IWB:

2.89

IWM:

1.48

Omega Ratio

IWB:

1.40

IWM:

1.18

Calmar Ratio

IWB:

3.35

IWM:

1.08

Martin Ratio

IWB:

13.60

IWM:

4.88

Ulcer Index

IWB:

2.08%

IWM:

4.18%

Daily Std Dev

IWB:

12.93%

IWM:

20.71%

Max Drawdown

IWB:

-55.38%

IWM:

-59.05%

Current Drawdown

IWB:

-1.58%

IWM:

-6.71%

Returns By Period

In the year-to-date period, IWB achieves a 2.24% return, which is significantly higher than IWM's 2.04% return. Over the past 10 years, IWB has outperformed IWM with an annualized return of 13.14%, while IWM has yielded a comparatively lower 8.34% annualized return.


IWB

YTD

2.24%

1M

2.51%

6M

10.30%

1Y

25.56%

5Y*

13.96%

10Y*

13.14%

IWM

YTD

2.04%

1M

2.55%

6M

4.64%

1Y

18.54%

5Y*

7.32%

10Y*

8.34%

*Annualized

Compare stocks, funds, or ETFs

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


IWB vs. IWM - Expense Ratio Comparison

IWB has a 0.15% expense ratio, which is lower than IWM's 0.19% 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%.


IWM
iShares Russell 2000 ETF
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%
Expense ratio chart for IWB: current value at 0.15% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.15%

Risk-Adjusted Performance

IWB vs. IWM — Risk-Adjusted Performance Rank

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

IWB
The Risk-Adjusted Performance Rank of IWB is 8181
Overall Rank
The Sharpe Ratio Rank of IWB is 8282
Sharpe Ratio Rank
The Sortino Ratio Rank of IWB is 7878
Sortino Ratio Rank
The Omega Ratio Rank of IWB is 8181
Omega Ratio Rank
The Calmar Ratio Rank of IWB is 8282
Calmar Ratio Rank
The Martin Ratio Rank of IWB is 8484
Martin Ratio Rank

IWM
The Risk-Adjusted Performance Rank of IWM is 4040
Overall Rank
The Sharpe Ratio Rank of IWM is 3737
Sharpe Ratio Rank
The Sortino Ratio Rank of IWM is 3737
Sortino Ratio Rank
The Omega Ratio Rank of IWM is 3636
Omega Ratio Rank
The Calmar Ratio Rank of IWM is 4444
Calmar Ratio Rank
The Martin Ratio Rank of IWM is 4545
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.

IWB vs. IWM - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell 1000 ETF (IWB) 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.


Sharpe ratio
The chart of Sharpe ratio for IWB, currently valued at 2.19, compared to the broader market0.002.004.002.190.98
The chart of Sortino ratio for IWB, currently valued at 2.89, compared to the broader market0.005.0010.002.891.48
The chart of Omega ratio for IWB, currently valued at 1.40, compared to the broader market1.002.003.001.401.18
The chart of Calmar ratio for IWB, currently valued at 3.35, compared to the broader market0.005.0010.0015.0020.003.351.08
The chart of Martin ratio for IWB, currently valued at 13.60, compared to the broader market0.0020.0040.0060.0080.00100.0013.604.88
IWB
IWM

The current IWB Sharpe Ratio is 2.19, which is higher than the IWM Sharpe Ratio of 0.98. The chart below compares the historical Sharpe Ratios of IWB and IWM, 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 Ratio0.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
2.19
0.98
IWB
IWM

Dividends

IWB vs. IWM - Dividend Comparison

IWB's dividend yield for the trailing twelve months is around 1.12%, which matches IWM's 1.12% yield.


TTM20242023202220212020201920182017201620152014
IWB
iShares Russell 1000 ETF
1.12%1.14%1.31%1.56%1.09%1.37%1.71%2.06%1.64%1.89%1.95%1.71%
IWM
iShares Russell 2000 ETF
1.12%1.15%1.35%1.48%0.94%1.04%1.26%1.40%1.26%1.38%1.54%1.26%

Drawdowns

IWB vs. IWM - Drawdown Comparison

The maximum IWB drawdown since its inception was -55.38%, smaller than the maximum IWM drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for IWB and IWM. For additional features, visit the drawdowns tool.


-14.00%-12.00%-10.00%-8.00%-6.00%-4.00%-2.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-1.58%
-6.71%
IWB
IWM

Volatility

IWB vs. IWM - Volatility Comparison

The current volatility for iShares Russell 1000 ETF (IWB) is 5.13%, while iShares Russell 2000 ETF (IWM) has a volatility of 6.50%. This indicates that IWB 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.


2.00%4.00%6.00%8.00%10.00%AugustSeptemberOctoberNovemberDecember2025
5.13%
6.50%
IWB
IWM
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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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