VWOB vs. VOO
VWOB (Vanguard Emerging Markets Government Bond ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - VWOB is a Emerging Markets Bonds fund tracking the Barclays USD Emerging Markets Government RIC Capped Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, VWOB returned 3.53%/yr vs 15.55%/yr for VOO. At a 0.43 correlation, their price movements are largely independent. VWOB charges 0.20%/yr vs 0.03%/yr for VOO.
Performance
VWOB vs. VOO - Performance Comparison
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Returns By Period
In the year-to-date period, VWOB achieves a 1.79% return, which is significantly lower than VOO's 11.34% return. Over the past 10 years, VWOB has underperformed VOO with an annualized return of 3.53%, while VOO has yielded a comparatively higher 15.55% annualized return.
VWOB
- 1D
- 0.24%
- 1M
- 0.94%
- YTD
- 1.79%
- 6M
- 1.96%
- 1Y
- 10.67%
- 3Y*
- 9.30%
- 5Y*
- 2.13%
- 10Y*
- 3.53%
VOO
- 1D
- 0.39%
- 1M
- 4.62%
- YTD
- 11.34%
- 6M
- 11.27%
- 1Y
- 28.62%
- 3Y*
- 22.68%
- 5Y*
- 13.98%
- 10Y*
- 15.55%
VWOB vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VWOB Vanguard Emerging Markets Government Bond ETF | 1.79% | 13.49% | 5.20% | 10.68% | -17.39% | -1.80% | 5.65% | 14.46% | -2.92% | 8.41% |
VOO Vanguard S&P 500 ETF | 11.34% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Correlation
The correlation between VWOB and VOO is 0.55, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.55 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.51 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.50 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.47 |
Correlation (All Time) Calculated using the full available price history since Jun 5, 2013 | 0.43 |
The correlation between VWOB and VOO shifts across timeframes, from 0.43 (all time) to 0.55 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
VWOB vs. VOO — Risk / Return Rank
VWOB
VOO
VWOB vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Emerging Markets Government Bond ETF (VWOB) 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.
| VWOB | VOO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.35 | ||
| Sortino ratioReturn per unit of downside risk | -0.28 | ||
| Omega ratioGain probability vs. loss probability | 1.40 | 1.44 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 2.39 | 3.23 | -0.84 |
| Martin ratioReturn relative to average drawdown | 10.11 | 15.03 | -4.92 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| VWOB | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.09 | 2.44 | -0.35 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.23 | 0.84 | -0.60 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.38 | 0.87 | -0.49 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.42 | 0.89 | -0.47 |
Drawdowns
VWOB vs. VOO - Drawdown Comparison
The maximum VWOB drawdown since its inception was -26.98%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for VWOB and VOO.
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Drawdown Indicators
| VWOB | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -26.98% | -33.99% | +7.01% |
Max Drawdown (1Y)Largest decline over 1 year | -4.48% | -8.90% | +4.42% |
Max Drawdown (3Y)Largest decline over 3 years | -7.71% | -18.69% | +10.98% |
Max Drawdown (5Y)Largest decline over 5 years | -26.98% | -24.52% | -2.46% |
Max Drawdown (10Y)Largest decline over 10 years | -26.98% | -33.99% | +7.01% |
Current DrawdownCurrent decline from peak | -0.12% | -0.32% | +0.20% |
Average DrawdownAverage peak-to-trough decline | -4.78% | -3.69% | -1.09% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.06% | 1.91% | -0.85% |
Volatility
VWOB vs. VOO - Volatility Comparison
The current volatility for Vanguard Emerging Markets Government Bond ETF (VWOB) is 1.69%, while Vanguard S&P 500 ETF (VOO) has a volatility of 2.78%. This indicates that VWOB experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VWOB | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.69% | 2.78% | -1.09% |
Volatility (6M)Calculated over the trailing 6-month period | 4.16% | 8.90% | -4.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.15% | 11.80% | -6.65% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.18% | 16.81% | -7.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.34% | 18.00% | -8.66% |
VWOB vs. VOO - Expense Ratio Comparison
VWOB 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
VWOB vs. VOO - Dividend Comparison
VWOB's dividend yield for the trailing twelve months is around 5.83%, more than VOO's 1.02% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VOO Vanguard S&P 500 ETF | 1.02% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
VWOB Vanguard Emerging Markets Government Bond ETF | 5.83% | 5.92% | 6.08% | 5.50% | 5.30% | 4.04% | 4.18% | 4.58% | 4.52% | 4.61% | 4.71% | 4.93% |
Frequently Asked Questions
VWOB and VOO have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VOO has higher volatility (2.78%) compared to VWOB (1.69%). In terms of maximum drawdown, VWOB dropped -26.98% vs VOO's -33.99%.
On 10-year performance, VOO leads with 15.55% vs 3.53% for VWOB. On fees, VOO is cheaper at 0.03% per year. On volatility, VWOB has been the lower-risk option at 1.69%. 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 15.55% return vs 3.53%. 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 VWOB.
VWOB has the higher dividend yield at 5.83%, compared with 1.02% for VOO.
VWOB is categorized as Emerging Markets Bonds, while VOO is S&P 500. VWOB tracks Barclays USD Emerging Markets Government RIC Capped Index, while VOO tracks S&P 500 Index. Their fees differ too: 0.20% for VWOB and 0.03% for VOO.
VOO currently has the higher Sharpe Ratio (2.44 vs 2.09), 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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