RRPAX vs. VIPSX
RRPAX (SEI Institutional Investments Trust Real Return Fund) and VIPSX (Vanguard Inflation-Protected Securities Fund Investor Shares) are both Inflation-Protected Bonds funds. Over the past 10 years, RRPAX returned 2.98%/yr vs 2.54%/yr for VIPSX. A 0.76 correlation means they provide meaningful diversification when combined. RRPAX charges 0.02%/yr vs 0.20%/yr for VIPSX.
Performance
RRPAX vs. VIPSX - Performance Comparison
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Returns By Period
In the year-to-date period, RRPAX achieves a 1.97% return, which is significantly higher than VIPSX's 1.59% return. Over the past 10 years, RRPAX has outperformed VIPSX with an annualized return of 2.98%, while VIPSX has yielded a comparatively lower 2.54% annualized return.
RRPAX
- 1D
- 0.00%
- 1M
- 0.00%
- YTD
- 1.97%
- 6M
- 1.88%
- 1Y
- 4.69%
- 3Y*
- 4.96%
- 5Y*
- 2.95%
- 10Y*
- 2.98%
VIPSX
- 1D
- 0.00%
- 1M
- 0.08%
- YTD
- 1.59%
- 6M
- 1.20%
- 1Y
- 5.19%
- 3Y*
- 3.93%
- 5Y*
- 1.07%
- 10Y*
- 2.54%
RRPAX vs. VIPSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RRPAX SEI Institutional Investments Trust Real Return Fund | 1.97% | 6.53% | 4.54% | 3.49% | -4.06% | 5.41% | 5.64% | 5.01% | 0.31% | 0.73% |
VIPSX Vanguard Inflation-Protected Securities Fund Investor Shares | 1.59% | 6.77% | 1.74% | 3.73% | -12.04% | 5.57% | 10.90% | 8.06% | -1.48% | 2.81% |
Correlation
The correlation between RRPAX and VIPSX is 0.72, 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 | 0.72 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.80 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.81 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.75 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2007 | 0.76 |
The correlation between RRPAX and VIPSX has been stable across timeframes, ranging from 0.72 to 0.81 - a consistent structural relationship.
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Return for Risk
RRPAX vs. VIPSX — Risk / Return Rank
RRPAX
VIPSX
RRPAX vs. VIPSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SEI Institutional Investments Trust Real Return Fund (RRPAX) and Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX). 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.
| RRPAX | VIPSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.02 | ||
| Sortino ratioReturn per unit of downside risk | +1.90 | ||
| Omega ratioGain probability vs. loss probability | 1.55 | 1.26 | +0.28 |
| Calmar ratioReturn relative to maximum drawdown | 5.40 | 2.50 | +2.91 |
| Martin ratioReturn relative to average drawdown | 20.03 | 7.64 | +12.38 |
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
| RRPAX | VIPSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.50 | 1.48 | +1.02 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.92 | 0.18 | +0.74 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 1.11 | 0.48 | +0.63 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.52 | 0.76 | -0.24 |
Drawdowns
RRPAX vs. VIPSX - Drawdown Comparison
The maximum RRPAX drawdown since its inception was -16.15%, which is greater than VIPSX's maximum drawdown of -15.13%. Use the drawdown chart below to compare losses from any high point for RRPAX and VIPSX.
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Drawdown Indicators
| RRPAX | VIPSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.15% | -15.13% | -1.02% |
Max Drawdown (1Y)Largest decline over 1 year | -0.85% | -2.02% | +1.17% |
Max Drawdown (3Y)Largest decline over 3 years | -1.89% | -4.57% | +2.68% |
Max Drawdown (5Y)Largest decline over 5 years | -6.48% | -14.55% | +8.07% |
Max Drawdown (10Y)Largest decline over 10 years | -6.48% | -14.55% | +8.07% |
Current DrawdownCurrent decline from peak | -0.11% | -0.11% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -2.95% | -3.24% | +0.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.23% | 0.66% | -0.43% |
Volatility
RRPAX vs. VIPSX - Volatility Comparison
The current volatility for SEI Institutional Investments Trust Real Return Fund (RRPAX) is 0.58%, while Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX) has a volatility of 1.01%. This indicates that RRPAX experiences smaller price fluctuations and is considered to be less risky than VIPSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RRPAX | VIPSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.58% | 1.01% | -0.43% |
Volatility (6M)Calculated over the trailing 6-month period | 1.32% | 2.35% | -1.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.84% | 3.40% | -1.56% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.24% | 5.99% | -2.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.70% | 5.33% | -2.63% |
RRPAX vs. VIPSX - Expense Ratio Comparison
RRPAX has a 0.02% expense ratio, which is lower than VIPSX's 0.20% 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
RRPAX vs. VIPSX - Dividend Comparison
RRPAX's dividend yield for the trailing twelve months is around 3.92%, less than VIPSX's 4.39% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RRPAX SEI Institutional Investments Trust Real Return Fund | 3.92% | 4.64% | 3.57% | 2.43% | 7.18% | 5.33% | 1.38% | 2.14% | 2.35% | 1.89% | 1.23% | 0.00% |
VIPSX Vanguard Inflation-Protected Securities Fund Investor Shares | 4.39% | 4.64% | 4.07% | 4.20% | 8.34% | 5.03% | 1.28% | 2.22% | 3.03% | 2.32% | 3.38% | 0.77% |
Frequently Asked Questions
RRPAX and VIPSX have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VIPSX has higher volatility (1.01%) compared to RRPAX (0.58%). In terms of maximum drawdown, RRPAX dropped -16.15% vs VIPSX's -15.13%.
RRPAX currently has the higher Sharpe Ratio (2.50 vs 1.48), 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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