VO vs. VWIAX
Compare and contrast key facts about Vanguard Mid-Cap ETF (VO) and Vanguard Wellesley Income Fund Admiral Shares (VWIAX).
VO is a passively managed fund by Vanguard that tracks the performance of the CRSP US Mid Cap Index. It was launched on Jan 26, 2004. VWIAX is managed by Vanguard. It was launched on May 14, 2001.
Performance
VO vs. VWIAX - Performance Comparison
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VO vs. VWIAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VO Vanguard Mid-Cap ETF | -0.05% | 11.62% | 15.31% | 16.03% | -18.73% | 24.70% | 18.10% | 30.98% | -9.24% | 19.28% |
VWIAX Vanguard Wellesley Income Fund Admiral Shares | 0.28% | 11.08% | 5.92% | 7.07% | -9.04% | 8.55% | 8.52% | 16.47% | -2.49% | 9.37% |
Returns By Period
In the year-to-date period, VO achieves a -0.05% return, which is significantly lower than VWIAX's 0.28% return. Over the past 10 years, VO has outperformed VWIAX with an annualized return of 10.74%, while VWIAX has yielded a comparatively lower 5.75% annualized return.
VO
- 1D
- 0.63%
- 1M
- -5.18%
- YTD
- -0.05%
- 6M
- -0.76%
- 1Y
- 13.07%
- 3Y*
- 12.85%
- 5Y*
- 6.79%
- 10Y*
- 10.74%
VWIAX
- 1D
- 0.72%
- 1M
- -2.79%
- YTD
- 0.28%
- 6M
- 1.95%
- 1Y
- 8.21%
- 3Y*
- 7.63%
- 5Y*
- 4.20%
- 10Y*
- 5.75%
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VO vs. VWIAX - Expense Ratio Comparison
VO has a 0.04% expense ratio, which is lower than VWIAX's 0.16% 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%.
Return for Risk
VO vs. VWIAX — Risk / Return Rank
VO
VWIAX
VO vs. VWIAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Mid-Cap ETF (VO) and Vanguard Wellesley Income Fund Admiral Shares (VWIAX). 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.
| VO | VWIAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.75 | 1.24 | -0.49 |
Sortino ratioReturn per unit of downside risk | 1.15 | 1.75 | -0.60 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.25 | -0.08 |
Calmar ratioReturn relative to maximum drawdown | 1.06 | 1.75 | -0.70 |
Martin ratioReturn relative to average drawdown | 4.83 | 6.90 | -2.08 |
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
| VO | VWIAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.75 | 1.24 | -0.49 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.39 | 0.61 | -0.22 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.57 | 0.84 | -0.27 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.48 | 0.92 | -0.44 |
Correlation
The correlation between VO and VWIAX is 0.72, 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.
Dividends
VO vs. VWIAX - Dividend Comparison
VO's dividend yield for the trailing twelve months is around 1.50%, less than VWIAX's 8.01% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VO Vanguard Mid-Cap ETF | 1.50% | 1.52% | 1.49% | 1.52% | 1.60% | 1.12% | 1.45% | 1.48% | 1.82% | 1.35% | 1.45% | 1.47% |
VWIAX Vanguard Wellesley Income Fund Admiral Shares | 8.01% | 7.93% | 6.69% | 4.80% | 7.75% | 6.11% | 4.37% | 4.00% | 7.64% | 3.25% | 4.07% | 5.66% |
Drawdowns
VO vs. VWIAX - Drawdown Comparison
The maximum VO drawdown since its inception was -58.87%, which is greater than VWIAX's maximum drawdown of -21.64%. Use the drawdown chart below to compare losses from any high point for VO and VWIAX.
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Drawdown Indicators
| VO | VWIAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.87% | -21.64% | -37.23% |
Max Drawdown (1Y)Largest decline over 1 year | -12.74% | -5.00% | -7.74% |
Max Drawdown (5Y)Largest decline over 5 years | -27.57% | -15.26% | -12.31% |
Max Drawdown (10Y)Largest decline over 10 years | -39.37% | -17.41% | -21.96% |
Current DrawdownCurrent decline from peak | -5.53% | -3.11% | -2.42% |
Average DrawdownAverage peak-to-trough decline | -7.91% | -2.23% | -5.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.79% | 1.27% | +1.52% |
Volatility
VO vs. VWIAX - Volatility Comparison
Vanguard Mid-Cap ETF (VO) has a higher volatility of 4.83% compared to Vanguard Wellesley Income Fund Admiral Shares (VWIAX) at 2.26%. This indicates that VO's price experiences larger fluctuations and is considered to be riskier than VWIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VO | VWIAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.83% | 2.26% | +2.57% |
Volatility (6M)Calculated over the trailing 6-month period | 9.73% | 3.75% | +5.98% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.57% | 6.71% | +10.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.61% | 6.96% | +10.65% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.94% | 6.90% | +12.04% |