VOO vs. IWV
VOO (Vanguard S&P 500 ETF) and IWV (iShares Russell 3000 ETF) are both exchange-traded funds - VOO is a S&P 500 fund tracking the S&P 500 Index, while IWV is a Large Cap Blend Equities fund tracking the Russell 3000 Index. Both are passively managed. Over the past 10 years, VOO returned 15.50%/yr vs 14.84%/yr for IWV. With a 0.99 correlation, they move nearly in lockstep. VOO charges 0.03%/yr vs 0.20%/yr for IWV.
Performance
VOO vs. IWV - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with VOO having a 9.08% return and IWV slightly higher at 9.30%. Both investments have delivered pretty close results over the past 10 years, with VOO having a 15.50% annualized return and IWV not far behind at 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%
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 vs. IWV - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
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% |
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% |
Correlation
The correlation between VOO and IWV 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 VOO and IWV has been stable across timeframes, ranging from 0.99 to 0.99 - a consistent structural relationship.
VOO vs. IWV - Sectors Allocation Comparison
Sectors
VOO
IWV
Technology
Financial Services
Communication Services
Consumer Cyclical
Healthcare
Industrials
Consumer Defensive
Energy
Utilities
Real Estate
Basic Materials
Technology
VOO
IWV
Financial Services
VOO
IWV
Communication Services
VOO
IWV
Consumer Cyclical
VOO
IWV
Healthcare
VOO
IWV
Industrials
VOO
IWV
Consumer Defensive
VOO
IWV
Energy
VOO
IWV
Utilities
VOO
IWV
Real Estate
VOO
IWV
Basic Materials
VOO
IWV
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Return for Risk
VOO vs. IWV — Risk / Return Rank
VOO
IWV
VOO vs. IWV - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P 500 ETF (VOO) and iShares Russell 3000 ETF (IWV). 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.
| VOO | IWV | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.06 | ||
| Sortino ratioReturn per unit of downside risk | +0.06 | ||
| Omega ratioGain probability vs. loss probability | 1.36 | 1.35 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 2.75 | 2.74 | +0.01 |
| Martin ratioReturn relative to average drawdown | 12.42 | 12.28 | +0.14 |
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Drawdowns
VOO vs. IWV - Drawdown Comparison
The maximum VOO drawdown since its inception was -33.99%, smaller than the maximum IWV drawdown of -55.61%. Use the drawdown chart below to compare losses from any high point for VOO and IWV.
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Drawdown Indicators
| VOO | IWV | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.99% | -55.61% | +21.62% |
Max Drawdown (1Y)Largest decline over 1 year | -8.90% | -8.89% | -0.01% |
Max Drawdown (3Y)Largest decline over 3 years | -18.69% | -19.28% | +0.59% |
Max Drawdown (5Y)Largest decline over 5 years | -24.52% | -25.11% | +0.59% |
Max Drawdown (10Y)Largest decline over 10 years | -33.99% | -35.22% | +1.23% |
Current DrawdownCurrent decline from peak | -2.34% | -2.09% | -0.25% |
Average DrawdownAverage peak-to-trough decline | -3.68% | -10.58% | +6.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.97% | 1.98% | -0.01% |
Volatility
VOO vs. IWV - Volatility Comparison
Vanguard S&P 500 ETF (VOO) and iShares Russell 3000 ETF (IWV) have volatilities of 4.34% and 4.44%, 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
| VOO | IWV | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.34% | 4.44% | -0.10% |
Volatility (6M)Calculated over the trailing 6-month period | 9.58% | 9.75% | -0.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.27% | 12.57% | -0.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.88% | 17.30% | -0.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.03% | 18.43% | -0.40% |
VOO vs. IWV - Expense Ratio Comparison
VOO has a 0.03% expense ratio, which is lower than IWV's 0.20% 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%.
Dividends
VOO vs. IWV - Dividend Comparison
VOO's dividend yield for the trailing twelve months is around 1.05%, more than IWV's 0.87% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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, VOO and IWV 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, VOO dropped -33.99% vs IWV's -55.61%.
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.
VOO is categorized as S&P 500, while IWV is Large Cap Blend Equities. VOO tracks S&P 500 Index, while IWV tracks Russell 3000 Index. They also come from different issuers: Vanguard and iShares. Their fees differ too: 0.03% for VOO and 0.20% for IWV.
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.
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