VAIPX vs. VTP
VAIPX (Vanguard Inflation-Protected Securities Fund Admiral Shares) and VTP (Vanguard Total Inflation-Protected Securities ETF) are both Inflation-Protected Bonds funds from Vanguard - VAIPX tracks the Bloomberg U.S. Treasury Inflation Protected Securities Index while VTP tracks the ICE U.S. Treasury Inflation Linked Bond Index. Both are passively managed. Over the past year, VAIPX returned 1.81% vs 1.93% for VTP. Their correlation of 0.92 means they have usually moved in the same direction. VAIPX charges 0.10%/yr vs 0.05%/yr for VTP.
Performance
VAIPX vs. VTP - 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 VTP's 0.56% 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%
VTP
- 1D
- 0.07%
- 1M
- -0.86%
- 6M
- 0.33%
- YTD
- 0.56%
- 1Y
- 1.93%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 2.84%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $4.14M | $3.47M | $2.46M |
VAIPX vs. VTP - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
VAIPX Vanguard Inflation-Protected Securities Fund Admiral Shares | 0.41% | 2.62% |
VTP Vanguard Total Inflation-Protected Securities ETF | 0.56% | 2.46% |
Correlation
The correlation between VAIPX and VTP is 0.91, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.91 |
Correlation (All Time) Calculated using the full available price history since Jul 9, 2025 | 0.92 |
The correlation between VAIPX and VTP has been stable across timeframes, ranging from 0.91 to 0.92 - a consistent structural relationship.
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Return for Risk
VAIPX vs. VTP — Risk / Return Rank
VAIPX
VTP
VAIPX vs. VTP - 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 Total Inflation-Protected Securities ETF (VTP). 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 | VTP | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.14 | ||
| Sortino ratioReturn per unit of downside risk | +0.23 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 1.10 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 1.21 | 1.01 | +0.20 |
| Martin ratioReturn relative to average drawdown | 3.40 | 2.66 | +0.74 |
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Drawdowns
VAIPX vs. VTP - Drawdown Comparison
The maximum VAIPX drawdown since its inception was -15.04%, which is greater than VTP's maximum drawdown of -1.92%. Use the drawdown chart below to compare losses from any high point for VAIPX and VTP.
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Drawdown Indicators
| VAIPX | VTP | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.04% | -1.92% | -13.12% |
Max Drawdown (1Y)Largest decline over 1 year | -2.05% | -1.92% | -0.13% |
Max Drawdown (3Y)Largest decline over 3 years | -3.83% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -14.40% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -14.40% | — | — |
Current DrawdownCurrent decline from peak | -1.31% | -1.28% | -0.03% |
Average DrawdownAverage peak-to-trough decline | -3.79% | -0.56% | -3.23% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.73% | 0.73% | 0.00% |
Volatility
VAIPX vs. VTP - Volatility Comparison
Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) has a higher volatility of 0.74% compared to Vanguard Total Inflation-Protected Securities ETF (VTP) at 0.64%. This indicates that VAIPX's price experiences larger fluctuations and is considered to be riskier than VTP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VAIPX | VTP | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.74% | 0.64% | +0.10% |
Volatility (6M)Calculated over the trailing 6-month period | 2.50% | 2.47% | +0.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.31% | 3.21% | +0.10% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.97% | 3.30% | +2.67% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.31% | 3.30% | +2.01% |
VAIPX vs. VTP - Expense Ratio Comparison
VAIPX has a 0.10% expense ratio, which is higher than VTP's 0.05% 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
VAIPX vs. VTP - Dividend Comparison
VAIPX's dividend yield for the trailing twelve months is around 5.08%, more than VTP's 2.99% 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% |
VTP Vanguard Total Inflation-Protected Securities ETF | 2.99% | 1.56% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.91, VAIPX and VTP 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.
VAIPX has higher volatility (0.74%) compared to VTP (0.64%). In terms of maximum drawdown, VAIPX dropped -15.04% vs VTP's -1.92%.
VAIPX currently has the higher Sharpe Ratio (0.75 vs 0.60), 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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