VAIPX vs. VWELX
VAIPX (Vanguard Inflation-Protected Securities Fund Admiral Shares) and VWELX (Vanguard Wellington Fund Investor Shares) are both mutual funds - VAIPX is a Inflation-Protected Bonds fund tracking the Bloomberg U.S. Treasury Inflation Protected Securities Index, while VWELX is a Diversified Portfolio fund actively managed by Vanguard. VAIPX is passively managed, while VWELX is actively managed. Over the past 10 years, VAIPX returned 2.42%/yr vs 9.79%/yr for VWELX. Their 0.01 correlation means their historical movements had little consistent relationship. VAIPX charges 0.10%/yr vs 0.24%/yr for VWELX.
Performance
VAIPX vs. VWELX - Performance Comparison
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Returns By Period
In the year-to-date period, VAIPX achieves a 0.41% return, which is significantly lower than VWELX's 5.37% return. Over the past 10 years, VAIPX has underperformed VWELX with an annualized return of 2.42%, while VWELX has yielded a comparatively higher 9.79% annualized return.
VAIPX
- 1D
- -0.13%
- 1M
- -0.53%
- 6M
- 0.19%
- YTD
- 0.41%
- 1Y
- 1.81%
- 3Y*
- 3.82%
- 5Y*
- 0.26%
- 10Y*
- 2.42%
- ALL TIME*
- 2.93%
VWELX
- 1D
- 0.47%
- 1M
- -0.68%
- 6M
- 4.23%
- YTD
- 5.37%
- 1Y
- 14.19%
- 3Y*
- 13.77%
- 5Y*
- 7.80%
- 10Y*
- 9.79%
- ALL TIME*
- 9.39%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
VAIPX vs. VWELX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VAIPX Vanguard Inflation-Protected Securities Fund Admiral Shares | 0.41% | 6.87% | 1.85% | 3.83% | -11.92% | 5.69% | 10.96% | 8.16% | -1.39% | 2.91% |
VWELX Vanguard Wellington Fund Investor Shares | 5.37% | 16.54% | 14.73% | 14.29% | -14.36% | 18.99% | 10.57% | 22.51% | -3.43% | 13.98% |
Correlation
The correlation between VAIPX and VWELX is 0.32, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.32 |
Correlation (3Y) Balances recent behavior with more history. | 0.33 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.32 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.17 |
Correlation (All Time) Calculated using the full available price history since Jun 10, 2005 | 0.01 |
Over the past year, VAIPX and VWELX have become more correlated (0.32) than their long-term average of 0.01, meaning their price movements have been converging.
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Return for Risk
VAIPX vs. VWELX — Risk / Return Rank
VAIPX
VWELX
VAIPX vs. VWELX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) and Vanguard Wellington Fund Investor Shares (VWELX). 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.
| VAIPX | VWELX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.68 | ||
| Sortino ratioReturn per unit of downside risk | -0.92 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 1.26 | -0.13 |
| Calmar ratioReturn relative to maximum drawdown | 1.21 | 1.97 | -0.76 |
| Martin ratioReturn relative to average drawdown | 3.40 | 8.31 | -4.91 |
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Drawdowns
VAIPX vs. VWELX - Drawdown Comparison
The maximum VAIPX drawdown since its inception was -15.04%, smaller than the maximum VWELX drawdown of -36.12%. Use the drawdown chart below to compare losses from any high point for VAIPX and VWELX.
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Drawdown Indicators
| VAIPX | VWELX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.04% | -36.12% | +21.08% |
Max Drawdown (1Y)Largest decline over 1 year | -2.05% | -6.78% | +4.73% |
Max Drawdown (3Y)Largest decline over 3 years | -3.83% | -11.98% | +8.15% |
Max Drawdown (5Y)Largest decline over 5 years | -14.40% | -20.88% | +6.48% |
Max Drawdown (10Y)Largest decline over 10 years | -14.40% | -25.33% | +10.93% |
Current DrawdownCurrent decline from peak | -1.31% | -1.62% | +0.31% |
Average DrawdownAverage peak-to-trough decline | -3.79% | -3.91% | +0.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.73% | 1.60% | -0.87% |
Volatility
VAIPX vs. VWELX - Volatility Comparison
The current volatility for Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) is 0.74%, while Vanguard Wellington Fund Investor Shares (VWELX) has a volatility of 2.83%. This indicates that VAIPX experiences smaller price fluctuations and is considered to be less risky than VWELX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VAIPX | VWELX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.74% | 2.83% | -2.09% |
Volatility (6M)Calculated over the trailing 6-month period | 2.50% | 7.62% | -5.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.31% | 9.32% | -6.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.97% | 11.26% | -5.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.31% | 11.55% | -6.24% |
VAIPX vs. VWELX - Expense Ratio Comparison
VAIPX has a 0.10% expense ratio, which is lower than VWELX's 0.24% 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
VAIPX vs. VWELX - Dividend Comparison
VAIPX's dividend yield for the trailing twelve months is around 5.08%, less than VWELX's 10.98% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VAIPX Vanguard Inflation-Protected Securities Fund Admiral Shares | 5.08% | 4.74% | 4.17% | 4.31% | 8.45% | 5.13% | 1.38% | 2.29% | 3.12% | 2.41% | 3.49% | 0.88% |
VWELX Vanguard Wellington Fund Investor Shares | 10.98% | 11.46% | 10.76% | 6.01% | 8.19% | 8.64% | 7.77% | 4.67% | 9.49% | 5.82% | 4.44% | 7.03% |
Frequently Asked Questions
VAIPX and VWELX have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VWELX has higher volatility (2.83%) compared to VAIPX (0.74%). In terms of maximum drawdown, VAIPX dropped -15.04% vs VWELX's -36.12%.
VWELX currently has the higher Sharpe Ratio (1.43 vs 0.75), 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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