VOO vs. EEM
VOO (Vanguard S&P 500 ETF) and EEM (iShares MSCI Emerging Markets ETF) are both exchange-traded funds - VOO is a S&P 500 fund tracking the S&P 500 Index, while EEM is a Emerging Markets Equities fund tracking the MSCI Emerging Markets Index (Net). Both are passively managed. Over the past 10 years, VOO returned 15.17%/yr vs 8.14%/yr for EEM. Their 0.72 correlation means they have sometimes moved together and sometimes differently. VOO charges 0.03%/yr vs 0.72%/yr for EEM.
Performance
VOO vs. EEM - Performance Comparison
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Returns By Period
In the year-to-date period, VOO achieves a 11.72% return, which is significantly lower than EEM's 18.18% return. Over the past 10 years, VOO has outperformed EEM with an annualized return of 15.17%, while EEM has yielded a comparatively lower 8.14% annualized return.
VOO
- 1D
- 1.42%
- 1M
- 1.69%
- 6M
- 9.53%
- YTD
- 11.72%
- 1Y
- 23.30%
- 3Y*
- 20.85%
- 5Y*
- 13.12%
- 10Y*
- 15.17%
- ALL TIME*
- 14.88%
EEM
- 1D
- 0.36%
- 1M
- -2.10%
- 6M
- 9.07%
- YTD
- 18.18%
- 1Y
- 36.06%
- 3Y*
- 19.44%
- 5Y*
- 6.64%
- 10Y*
- 8.14%
- ALL TIME*
- 9.89%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $1.57B | $1.56B | $1.92B | |
| $3.97B | $3.80B | $5.49B |
VOO vs. EEM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VOO Vanguard S&P 500 ETF | 11.72% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
EEM iShares MSCI Emerging Markets ETF | 18.18% | 33.98% | 6.49% | 8.95% | -20.56% | -3.63% | 17.02% | 18.22% | -15.31% | 37.26% |
Correlation
The correlation between VOO and EEM is 0.76, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.76 |
Correlation (3Y) Balances recent behavior with more history. | 0.67 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.66 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.68 |
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010 | 0.72 |
The correlation between VOO and EEM has been stable across timeframes, ranging from 0.66 to 0.76 - a consistent structural relationship.
VOO vs. EEM - Sectors Allocation Comparison
Sectors
VOO
EEM
Technology
Financial Services
Communication Services
Consumer Cyclical
Healthcare
Industrials
Consumer Defensive
Energy
Utilities
Real Estate
Basic Materials
Technology
VOO
EEM
Financial Services
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EEM
Communication Services
VOO
EEM
Consumer Cyclical
VOO
EEM
Healthcare
VOO
EEM
Industrials
VOO
EEM
Consumer Defensive
VOO
EEM
Energy
VOO
EEM
Utilities
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Real Estate
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Basic Materials
VOO
EEM
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Return for Risk
VOO vs. EEM — Risk / Return Rank
VOO
EEM
VOO vs. EEM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P 500 ETF (VOO) and iShares MSCI Emerging Markets ETF (EEM). 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 | EEM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.35 | ||
| Sortino ratioReturn per unit of downside risk | +0.53 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.28 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 2.63 | 2.54 | +0.09 |
| Martin ratioReturn relative to average drawdown | 11.23 | 7.75 | +3.49 |
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Drawdowns
VOO vs. EEM - Drawdown Comparison
The maximum VOO drawdown since its inception was -33.99%, smaller than the maximum EEM drawdown of -66.43%. Use the drawdown chart below to compare losses from any high point for VOO and EEM.
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Drawdown Indicators
| VOO | EEM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.99% | -66.43% | +32.44% |
Max Drawdown (1Y)Largest decline over 1 year | -8.90% | -14.24% | +5.34% |
Max Drawdown (3Y)Largest decline over 3 years | -18.69% | -17.29% | -1.40% |
Max Drawdown (5Y)Largest decline over 5 years | -24.52% | -35.01% | +10.49% |
Max Drawdown (10Y)Largest decline over 10 years | -33.99% | -39.82% | +5.83% |
Current DrawdownCurrent decline from peak | 0.00% | -9.68% | +9.68% |
Average DrawdownAverage peak-to-trough decline | -3.67% | -15.95% | +12.28% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.08% | 4.67% | -2.59% |
Volatility
VOO vs. EEM - Volatility Comparison
The current volatility for Vanguard S&P 500 ETF (VOO) is 3.81%, while iShares MSCI Emerging Markets ETF (EEM) has a volatility of 9.04%. This indicates that VOO experiences smaller price fluctuations and is considered to be less risky than EEM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VOO | EEM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.81% | 9.04% | -5.23% |
Volatility (6M)Calculated over the trailing 6-month period | 10.18% | 22.28% | -12.10% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.80% | 24.49% | -11.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.95% | 19.84% | -2.89% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.02% | 20.81% | -2.79% |
VOO vs. EEM - Expense Ratio Comparison
VOO has a 0.03% expense ratio, which is lower than EEM's 0.72% expense ratio.
Dividends
VOO vs. EEM - Dividend Comparison
VOO's dividend yield for the trailing twelve months is around 1.05%, less than EEM's 1.73% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
EEM iShares MSCI Emerging Markets ETF | 1.73% | 2.22% | 2.43% | 2.63% | 2.50% | 1.99% | 1.45% | 2.76% | 2.24% | 1.89% | 1.89% | 2.49% |
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
VOO and EEM have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
EEM has higher volatility (9.04%) compared to VOO (3.81%). In terms of maximum drawdown, VOO dropped -33.99% vs EEM's -66.43%.
On 10-year performance, VOO leads with 15.17% vs 8.14% for EEM. On fees, VOO is cheaper at 0.03% per year. On volatility, VOO has been the lower-risk option at 3.81%. 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 15.17% return vs 8.14%. 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 0.72% for EEM.
EEM has the higher dividend yield at 1.73%, compared with 1.05% for VOO.
VOO is categorized as S&P 500, while EEM is Emerging Markets Equities. VOO tracks S&P 500 Index, while EEM tracks MSCI Emerging Markets Index (Net). They also come from different issuers: Vanguard and iShares. Their fees differ too: 0.03% for VOO and 0.72% for EEM.
VOO currently has the higher Sharpe Ratio (1.83 vs 1.48), 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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