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IWV vs. VOO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IWV vs. VOO

Last updated Jun 13, 2026

IWV (iShares Russell 3000 ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - IWV is a Large Cap Blend Equities fund tracking the Russell 3000 Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, IWV returned 14.84%/yr vs 15.50%/yr for VOO. With a 0.99 correlation, they move nearly in lockstep. IWV charges 0.20%/yr vs 0.03%/yr for VOO.

Performance

IWV vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell 3000 ETF (IWV) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

The year-to-date returns for both stocks are quite close, with IWV having a 9.30% return and VOO slightly lower at 9.08%. Both investments have delivered pretty close results over the past 10 years, with IWV having a 14.84% annualized return and VOO not far ahead at 15.50%.

IWV

1D
0.53%
1M
-0.32%
YTD
9.30%
6M
9.38%
1Y
25.70%
3Y*
20.32%
5Y*
12.07%
10Y*
14.84%

VOO

1D
0.55%
1M
-0.84%
YTD
9.08%
6M
9.44%
1Y
25.76%
3Y*
20.95%
5Y*
13.43%
10Y*
15.50%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IWV vs. VOO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IWV
iShares Russell 3000 ETF		9.30%16.96%23.49%25.82%-19.28%25.54%20.55%30.66%-5.43%20.97%
VOO
Vanguard S&P 500 ETF		9.08%17.82%24.98%26.32%-18.17%28.79%18.32%31.37%-4.50%21.77%

Correlation

The correlation between IWV and VOO is 0.99 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.99

Correlation (3Y)
Calculated over the trailing 3-year period

0.99

Correlation (5Y)
Calculated over the trailing 5-year period

0.99

Correlation (10Y)
Calculated over the trailing 10-year period

0.99

Correlation (All Time)
Calculated using the full available price history since Sep 9, 2010

0.99

The correlation between IWV and VOO has been stable across timeframes, ranging from 0.99 to 0.99 - a consistent structural relationship.

IWV vs. VOO - Sectors Allocation Comparison

Sectors
IWV
VOO

Technology

33.1%
35.7%

Financial Services

12.2%
11.6%

Communication Services

10.5%
11.3%

Consumer Cyclical

10.2%
10.2%

Industrials

9.6%
8.3%

Healthcare

9.1%
8.5%

Consumer Defensive

4.7%
4.9%

Energy

3.8%
3.5%

Real Estate

2.4%
1.9%

Utilities

2.3%
2.4%

Basic Materials

2.2%
1.8%

Technology

IWV
33.1%
VOO
35.7%

Financial Services

IWV
12.2%
VOO
11.6%

Communication Services

IWV
10.5%
VOO
11.3%

Consumer Cyclical

IWV
10.2%
VOO
10.2%

Industrials

IWV
9.6%
VOO
8.3%

Healthcare

IWV
9.1%
VOO
8.5%

Consumer Defensive

IWV
4.7%
VOO
4.9%

Energy

IWV
3.8%
VOO
3.5%

Real Estate

IWV
2.4%
VOO
1.9%

Utilities

IWV
2.3%
VOO
2.4%

Basic Materials

IWV
2.2%
VOO
1.8%

Compare stocks, funds, or ETFs

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

iShares Russell 3000 ETF

Vanguard S&P 500 ETF

Often compared with IWV:
IWV vs. SPYIWV vs. VTIIWV vs. IWMIWV vs. ACWXIWV vs. VTHRIWV vs. IVVIWV vs. RSP
Often compared with VOO:
VOO vs. VTIVOO vs. QQQVOO vs. SCHDVOO vs. VTVOO vs. SPYVOO vs. FXAIXVOO vs. IVV

Return for Risk

IWV vs. VOO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IWV
IWV Risk / Return Rank: 6868
Overall Rank
IWV Sharpe Ratio Rank: 6969
Sharpe Ratio Rank
IWV Sortino Ratio Rank: 6767
Sortino Ratio Rank
IWV Omega Ratio Rank: 6868
Omega Ratio Rank
IWV Calmar Ratio Rank: 6262
Calmar Ratio Rank
IWV Martin Ratio Rank: 7575
Martin Ratio Rank
VOO
VOO Risk / Return Rank: 7070
Overall Rank
VOO Sharpe Ratio Rank: 7171
Sharpe Ratio Rank
VOO Sortino Ratio Rank: 6969
Sortino Ratio Rank
VOO Omega Ratio Rank: 7171
Omega Ratio Rank
VOO Calmar Ratio Rank: 6363
Calmar Ratio Rank
VOO Martin Ratio Rank: 7676
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

IWV vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell 3000 ETF (IWV) 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

IWVVOODifference
Sharpe ratioReturn per unit of total volatility
1.94
1.99

-0.06

Sortino ratioReturn per unit of downside risk
2.64
2.70

-0.06

Omega ratioGain probability vs. loss probability

1.35

1.36

-0.01

Calmar ratioReturn relative to maximum drawdown

2.74

2.75

-0.01

Martin ratioReturn relative to average drawdown

12.28

12.42

-0.14

IWV vs. VOO - Sharpe Ratio Comparison

The current IWV Sharpe Ratio is 1.94, which is comparable to the VOO Sharpe Ratio of 1.99. The chart below compares the historical Sharpe Ratios of IWV and VOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

IWV vs. VOO - Drawdown Comparison

The maximum IWV drawdown since its inception was -55.61%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for IWV and VOO.

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Drawdown Indicators

IWVVOODifference

Max Drawdown

Largest peak-to-trough decline

-55.61%

-33.99%

-21.62%

Max Drawdown (1Y)

Largest decline over 1 year

-8.89%

-8.90%

+0.01%

Max Drawdown (3Y)

Largest decline over 3 years

-19.28%

-18.69%

-0.59%

Max Drawdown (5Y)

Largest decline over 5 years

-25.11%

-24.52%

-0.59%

Max Drawdown (10Y)

Largest decline over 10 years

-35.22%

-33.99%

-1.23%

Current Drawdown

Current decline from peak

-2.09%

-2.34%

+0.25%

Average Drawdown

Average peak-to-trough decline

-10.58%

-3.68%

-6.90%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.98%

1.97%

+0.01%

Volatility

IWV vs. VOO - Volatility Comparison

iShares Russell 3000 ETF (IWV) and Vanguard S&P 500 ETF (VOO) have volatilities of 4.44% and 4.34%, 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.

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Volatility by Period

IWVVOODifference

Volatility (1M)

Calculated over the trailing 1-month period

4.44%

4.34%

+0.10%

Volatility (6M)

Calculated over the trailing 6-month period

9.75%

9.58%

+0.17%

Volatility (1Y)

Calculated over the trailing 1-year period

12.57%

12.27%

+0.30%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

17.30%

16.88%

+0.42%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.43%

18.03%

+0.40%

IWV vs. VOO - Expense Ratio Comparison

IWV has a 0.20% 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%.

Dividends

IWV vs. VOO - Dividend Comparison

IWV's dividend yield for the trailing twelve months is around 0.87%, less than VOO's 1.05% yield.

PositionTTM20252024202320222021202020192018201720162015
IWV
iShares Russell 3000 ETF		0.87%0.96%1.08%1.30%1.56%1.04%1.30%1.69%1.97%1.58%1.79%1.99%
VOO
Vanguard S&P 500 ETF		1.05%1.13%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%

Frequently Asked Questions

With a correlation of 0.99, IWV and VOO move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

IWV has higher volatility (4.44%) compared to VOO (4.34%). In terms of maximum drawdown, IWV dropped -55.61% vs VOO's -33.99%.

On 10-year performance, VOO leads with 15.50% vs 14.84% for IWV. On fees, VOO is cheaper at 0.03% per year. On volatility, VOO has been the lower-risk option at 4.34%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, VOO has performed better with a 15.50% return vs 14.84%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

VOO is cheaper with a 0.03% expense ratio, compared with 0.20% for IWV.

VOO has the higher dividend yield at 1.05%, compared with 0.87% for IWV.

IWV is categorized as Large Cap Blend Equities, while VOO is S&P 500. IWV tracks Russell 3000 Index, while VOO tracks S&P 500 Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.20% for IWV and 0.03% for VOO.

VOO currently has the higher Sharpe Ratio (1.99 vs 1.94), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.

Portfolio Optimizer

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