VIPIX vs. SWRSX
VIPIX (Vanguard Inflation-Protected Securities Fund Institutional Shares) and SWRSX (Schwab Treasury Inflation Protected Securities Index Fund) are both Inflation-Protected Bonds funds. Over the past 10 years, VIPIX returned 2.67%/yr vs 2.66%/yr for SWRSX. Their correlation of 0.93 suggests significant overlap in exposure. VIPIX charges 0.07%/yr vs 0.05%/yr for SWRSX.
Performance
VIPIX vs. SWRSX - Performance Comparison
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Returns By Period
In the year-to-date period, VIPIX achieves a 1.59% return, which is significantly lower than SWRSX's 1.72% return. Both investments have delivered pretty close results over the past 10 years, with VIPIX having a 2.67% annualized return and SWRSX not far behind at 2.66%.
VIPIX
- 1D
- -0.11%
- 1M
- 0.11%
- YTD
- 1.59%
- 6M
- 1.20%
- 1Y
- 5.29%
- 3Y*
- 4.06%
- 5Y*
- 1.18%
- 10Y*
- 2.67%
SWRSX
- 1D
- 0.00%
- 1M
- 0.10%
- YTD
- 1.72%
- 6M
- 1.28%
- 1Y
- 5.28%
- 3Y*
- 4.09%
- 5Y*
- 1.23%
- 10Y*
- 2.66%
VIPIX vs. SWRSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VIPIX Vanguard Inflation-Protected Securities Fund Institutional Shares | 1.59% | 6.98% | 1.85% | 3.85% | -11.93% | 5.73% | 11.05% | 8.18% | -1.40% | 2.97% |
SWRSX Schwab Treasury Inflation Protected Securities Index Fund | 1.72% | 6.84% | 1.95% | 3.80% | -12.01% | 5.83% | 10.88% | 8.38% | -1.32% | 2.69% |
Correlation
The correlation between VIPIX and SWRSX is 0.93, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.93 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.96 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.97 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.94 |
Correlation (All Time) Calculated using the full available price history since Apr 4, 2006 | 0.93 |
The correlation between VIPIX and SWRSX has been stable across timeframes, ranging from 0.93 to 0.97 - a consistent structural relationship.
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Return for Risk
VIPIX vs. SWRSX — Risk / Return Rank
VIPIX
SWRSX
VIPIX vs. SWRSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Inflation-Protected Securities Fund Institutional Shares (VIPIX) and Schwab Treasury Inflation Protected Securities Index Fund (SWRSX). 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.
| VIPIX | SWRSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.11 | ||
| Sortino ratioReturn per unit of downside risk | -0.17 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.30 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.60 | 2.73 | -0.13 |
| Martin ratioReturn relative to average drawdown | 7.88 | 8.25 | -0.37 |
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
| VIPIX | SWRSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.49 | 1.61 | -0.11 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.20 | 0.20 | -0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.50 | 0.50 | 0.00 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.62 | 0.58 | +0.05 |
Drawdowns
VIPIX vs. SWRSX - Drawdown Comparison
The maximum VIPIX drawdown since its inception was -15.04%, which is greater than SWRSX's maximum drawdown of -14.29%. Use the drawdown chart below to compare losses from any high point for VIPIX and SWRSX.
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Drawdown Indicators
| VIPIX | SWRSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.04% | -14.29% | -0.75% |
Max Drawdown (1Y)Largest decline over 1 year | -2.00% | -1.90% | -0.10% |
Max Drawdown (3Y)Largest decline over 3 years | -4.46% | -4.46% | 0.00% |
Max Drawdown (5Y)Largest decline over 5 years | -14.33% | -14.29% | -0.04% |
Max Drawdown (10Y)Largest decline over 10 years | -14.33% | -14.29% | -0.04% |
Current DrawdownCurrent decline from peak | -0.12% | -0.10% | -0.02% |
Average DrawdownAverage peak-to-trough decline | -3.35% | -3.72% | +0.37% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.66% | 0.63% | +0.03% |
Volatility
VIPIX vs. SWRSX - Volatility Comparison
Vanguard Inflation-Protected Securities Fund Institutional Shares (VIPIX) has a higher volatility of 1.03% compared to Schwab Treasury Inflation Protected Securities Index Fund (SWRSX) at 0.86%. This indicates that VIPIX's price experiences larger fluctuations and is considered to be riskier than SWRSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VIPIX | SWRSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.03% | 0.86% | +0.17% |
Volatility (6M)Calculated over the trailing 6-month period | 2.42% | 2.20% | +0.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.49% | 3.26% | +0.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.03% | 6.04% | -0.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.37% | 5.37% | 0.00% |
VIPIX vs. SWRSX - Expense Ratio Comparison
VIPIX has a 0.07% expense ratio, which is higher than SWRSX'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
VIPIX vs. SWRSX - Dividend Comparison
VIPIX's dividend yield for the trailing twelve months is around 4.52%, more than SWRSX's 3.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SWRSX Schwab Treasury Inflation Protected Securities Index Fund | 3.78% | 4.20% | 3.68% | 3.11% | 7.95% | 4.45% | 1.33% | 2.20% | 2.87% | 1.75% | 1.81% | 1.06% |
VIPIX Vanguard Inflation-Protected Securities Fund Institutional Shares | 4.52% | 4.77% | 4.20% | 4.34% | 8.49% | 5.16% | 1.41% | 2.32% | 3.15% | 2.45% | 3.50% | 0.91% |
Frequently Asked Questions
With a correlation of 0.93, VIPIX and SWRSX 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.
VIPIX has higher volatility (1.03%) compared to SWRSX (0.86%). In terms of maximum drawdown, VIPIX dropped -15.04% vs SWRSX's -14.29%.
SWRSX currently has the higher Sharpe Ratio (1.61 vs 1.49), 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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