PortfoliosLab logo
IWM vs. VOO
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between IWM and VOO is 0.84, 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.


-0.50.00.51.0
Correlation: 0.8

Performance

IWM vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell 2000 ETF (IWM) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

300.00%400.00%500.00%600.00%NovemberDecember2025FebruaryMarchApril
284.82%
569.66%
IWM
VOO

Key characteristics

Sharpe Ratio

IWM:

-0.20

VOO:

0.63

Sortino Ratio

IWM:

-0.14

VOO:

0.92

Omega Ratio

IWM:

0.98

VOO:

1.12

Calmar Ratio

IWM:

-0.22

VOO:

0.87

Martin Ratio

IWM:

-0.62

VOO:

2.88

Ulcer Index

IWM:

6.54%

VOO:

3.04%

Daily Std Dev

IWM:

20.43%

VOO:

13.87%

Max Drawdown

IWM:

-59.05%

VOO:

-33.99%

Current Drawdown

IWM:

-17.26%

VOO:

-8.18%

Returns By Period

In the year-to-date period, IWM achieves a -9.51% return, which is significantly lower than VOO's -3.94% return. Over the past 10 years, IWM has underperformed VOO with an annualized return of 6.23%, while VOO has yielded a comparatively higher 12.55% annualized return.


IWM

YTD

-9.51%

1M

-6.84%

6M

-7.96%

1Y

-3.13%

5Y*

14.62%

10Y*

6.23%

VOO

YTD

-3.94%

1M

-5.26%

6M

-0.67%

1Y

8.88%

5Y*

19.28%

10Y*

12.55%

*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. VOO - Expense Ratio Comparison

IWM has a 0.19% expense ratio, which is higher than VOO's 0.03% 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%.


Expense ratio chart for IWM: current value is 0.19%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
IWM: 0.19%
Expense ratio chart for VOO: current value is 0.03%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
VOO: 0.03%

Risk-Adjusted Performance

IWM vs. VOO — 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 1111
Overall Rank
The Sharpe Ratio Rank of IWM is 1212
Sharpe Ratio Rank
The Sortino Ratio Rank of IWM is 1212
Sortino Ratio Rank
The Omega Ratio Rank of IWM is 1212
Omega Ratio Rank
The Calmar Ratio Rank of IWM is 1010
Calmar Ratio Rank
The Martin Ratio Rank of IWM is 1111
Martin Ratio Rank

VOO
The Risk-Adjusted Performance Rank of VOO is 6363
Overall Rank
The Sharpe Ratio Rank of VOO is 6060
Sharpe Ratio Rank
The Sortino Ratio Rank of VOO is 5959
Sortino Ratio Rank
The Omega Ratio Rank of VOO is 6060
Omega Ratio Rank
The Calmar Ratio Rank of VOO is 7070
Calmar Ratio Rank
The Martin Ratio Rank of VOO is 6666
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. VOO - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2000 ETF (IWM) and Vanguard S&P 500 ETF (VOO). 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 chart of Sharpe ratio for IWM, currently valued at -0.20, compared to the broader market-1.000.001.002.003.004.005.00
IWM: -0.20
VOO: 0.63
The chart of Sortino ratio for IWM, currently valued at -0.14, compared to the broader market-2.000.002.004.006.008.0010.00
IWM: -0.14
VOO: 0.92
The chart of Omega ratio for IWM, currently valued at 0.98, compared to the broader market0.501.001.502.002.503.00
IWM: 0.98
VOO: 1.12
The chart of Calmar ratio for IWM, currently valued at -0.22, compared to the broader market0.005.0010.0015.00
IWM: -0.22
VOO: 0.87
The chart of Martin ratio for IWM, currently valued at -0.62, compared to the broader market0.0020.0040.0060.0080.00100.00
IWM: -0.62
VOO: 2.88

The current IWM Sharpe Ratio is -0.20, which is lower than the VOO Sharpe Ratio of 0.63. The chart below compares the historical Sharpe Ratios of IWM and VOO, 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 Ratio0.001.002.003.004.00NovemberDecember2025FebruaryMarchApril
-0.20
0.63
IWM
VOO

Dividends

IWM vs. VOO - Dividend Comparison

IWM's dividend yield for the trailing twelve months is around 1.24%, less than VOO's 1.35% yield.


TTM20242023202220212020201920182017201620152014
IWM
iShares Russell 2000 ETF
1.24%1.15%1.35%1.48%0.94%1.04%1.26%1.40%1.26%1.38%1.54%1.26%
VOO
Vanguard S&P 500 ETF
1.35%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%1.85%

Drawdowns

IWM vs. VOO - Drawdown Comparison

The maximum IWM drawdown since its inception was -59.05%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for IWM and VOO. For additional features, visit the drawdowns tool.


-20.00%-15.00%-10.00%-5.00%0.00%NovemberDecember2025FebruaryMarchApril
-17.26%
-8.18%
IWM
VOO

Volatility

IWM vs. VOO - Volatility Comparison

iShares Russell 2000 ETF (IWM) has a higher volatility of 6.14% compared to Vanguard S&P 500 ETF (VOO) at 5.76%. This indicates that IWM's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


2.00%3.00%4.00%5.00%6.00%7.00%8.00%NovemberDecember2025FebruaryMarchApril
6.14%
5.76%
IWM
VOO