CPPAX vs. DFAIX
Compare and contrast key facts about American Funds Preservation Portfolio (CPPAX) and DFA Short-Duration Real Return Portfolio (DFAIX).
CPPAX is managed by American Funds. It was launched on May 18, 2012. DFAIX is managed by Dimensional. It was launched on Nov 5, 2013.
Performance
CPPAX vs. DFAIX - Performance Comparison
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CPPAX vs. DFAIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CPPAX American Funds Preservation Portfolio | -0.39% | 5.51% | 3.66% | 4.09% | -6.14% | -0.62% | 5.84% | 3.92% | 0.89% | 0.96% |
DFAIX DFA Short-Duration Real Return Portfolio | 0.86% | 4.86% | 6.38% | 5.64% | -2.77% | 5.40% | 2.75% | 5.63% | 0.11% | 1.71% |
Returns By Period
In the year-to-date period, CPPAX achieves a -0.39% return, which is significantly lower than DFAIX's 0.86% return. Over the past 10 years, CPPAX has underperformed DFAIX with an annualized return of 1.68%, while DFAIX has yielded a comparatively higher 3.20% annualized return.
CPPAX
- 1D
- 0.32%
- 1M
- -1.25%
- YTD
- -0.39%
- 6M
- 0.66%
- 1Y
- 3.34%
- 3Y*
- 3.63%
- 5Y*
- 1.31%
- 10Y*
- 1.68%
DFAIX
- 1D
- 0.19%
- 1M
- -0.09%
- YTD
- 0.86%
- 6M
- 1.22%
- 1Y
- 3.68%
- 3Y*
- 5.27%
- 5Y*
- 3.82%
- 10Y*
- 3.20%
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CPPAX vs. DFAIX - Expense Ratio Comparison
CPPAX has a 0.61% expense ratio, which is higher than DFAIX's 0.22% expense ratio.
Return for Risk
CPPAX vs. DFAIX — Risk / Return Rank
CPPAX
DFAIX
CPPAX vs. DFAIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds Preservation Portfolio (CPPAX) and DFA Short-Duration Real Return Portfolio (DFAIX). 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.
| CPPAX | DFAIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.51 | 3.57 | -2.06 |
Sortino ratioReturn per unit of downside risk | 2.27 | 5.96 | -3.68 |
Omega ratioGain probability vs. loss probability | 1.32 | 2.07 | -0.75 |
Calmar ratioReturn relative to maximum drawdown | 2.26 | 8.64 | -6.38 |
Martin ratioReturn relative to average drawdown | 10.17 | 34.01 | -23.84 |
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
| CPPAX | DFAIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.51 | 3.57 | -2.06 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.43 | 1.21 | -0.78 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.68 | 1.26 | -0.58 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.65 | 1.08 | -0.43 |
Correlation
The correlation between CPPAX and DFAIX is 0.42, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
CPPAX vs. DFAIX - Dividend Comparison
CPPAX's dividend yield for the trailing twelve months is around 3.53%, less than DFAIX's 4.61% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CPPAX American Funds Preservation Portfolio | 3.53% | 3.56% | 4.03% | 3.24% | 2.02% | 0.95% | 2.32% | 1.91% | 1.59% | 1.06% | 1.26% | 1.11% |
DFAIX DFA Short-Duration Real Return Portfolio | 4.61% | 4.65% | 4.14% | 3.66% | 1.68% | 0.98% | 0.82% | 2.53% | 2.72% | 1.71% | 1.41% | 1.29% |
Drawdowns
CPPAX vs. DFAIX - Drawdown Comparison
The maximum CPPAX drawdown since its inception was -8.59%, which is greater than DFAIX's maximum drawdown of -5.63%. Use the drawdown chart below to compare losses from any high point for CPPAX and DFAIX.
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Drawdown Indicators
| CPPAX | DFAIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -8.59% | -5.63% | -2.96% |
Max Drawdown (1Y)Largest decline over 1 year | -1.67% | -0.47% | -1.20% |
Max Drawdown (5Y)Largest decline over 5 years | -8.57% | -5.46% | -3.11% |
Max Drawdown (10Y)Largest decline over 10 years | -8.59% | -5.63% | -2.96% |
Current DrawdownCurrent decline from peak | -1.25% | -0.28% | -0.97% |
Average DrawdownAverage peak-to-trough decline | -1.31% | -0.95% | -0.36% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.37% | 0.12% | +0.25% |
Volatility
CPPAX vs. DFAIX - Volatility Comparison
American Funds Preservation Portfolio (CPPAX) has a higher volatility of 0.94% compared to DFA Short-Duration Real Return Portfolio (DFAIX) at 0.50%. This indicates that CPPAX's price experiences larger fluctuations and is considered to be riskier than DFAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CPPAX | DFAIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.94% | 0.50% | +0.44% |
Volatility (6M)Calculated over the trailing 6-month period | 1.36% | 0.75% | +0.61% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.31% | 1.07% | +1.24% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.04% | 3.18% | -0.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.48% | 2.56% | -0.08% |