MFAAX vs. PEDIX
MFAAX (American Funds Mortgage Fund) and PEDIX (PIMCO Extended Duration Fund) are both Government Bonds funds. Over the past 10 years, MFAAX returned 1.02%/yr vs -4.23%/yr for PEDIX. Their 0.71 correlation means they have sometimes moved together and sometimes differently. MFAAX charges 0.64%/yr vs 0.50%/yr for PEDIX.
Performance
MFAAX vs. PEDIX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, MFAAX achieves a -1.64% return, which is significantly higher than PEDIX's -6.66% return. Over the past 10 years, MFAAX has outperformed PEDIX with an annualized return of 1.02%, while PEDIX has yielded a comparatively lower -4.23% annualized return.
MFAAX
- 1D
- -0.46%
- 1M
- -1.60%
- 6M
- -1.64%
- YTD
- -1.64%
- 1Y
- 1.22%
- 3Y*
- 3.47%
- 5Y*
- -0.37%
- 10Y*
- 1.02%
- ALL TIME*
- 1.58%
PEDIX
- 1D
- -1.19%
- 1M
- -7.06%
- 6M
- -6.41%
- YTD
- -6.66%
- 1Y
- -5.48%
- 3Y*
- -4.78%
- 5Y*
- -12.43%
- 10Y*
- -4.23%
- ALL TIME*
- 3.17%
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 |
MFAAX vs. PEDIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MFAAX American Funds Mortgage Fund | -1.64% | 8.46% | 0.55% | 2.87% | -10.52% | -0.64% | 6.59% | 4.70% | 0.49% | 1.35% |
PEDIX PIMCO Extended Duration Fund | -6.66% | 3.01% | -12.61% | 2.71% | -40.33% | -5.54% | 24.68% | 18.66% | -4.01% | 13.85% |
Correlation
The correlation between MFAAX and PEDIX is 0.74, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.74 |
Correlation (3Y) Balances recent behavior with more history. | 0.79 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.78 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.73 |
Correlation (All Time) Calculated using the full available price history since Nov 3, 2010 | 0.71 |
The correlation between MFAAX and PEDIX has been stable across timeframes, ranging from 0.71 to 0.79 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
MFAAX vs. PEDIX — Risk / Return Rank
MFAAX
PEDIX
MFAAX vs. PEDIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds Mortgage Fund (MFAAX) and PIMCO Extended Duration Fund (PEDIX). 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.
| MFAAX | PEDIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.87 | ||
| Sortino ratioReturn per unit of downside risk | +1.20 | ||
| Omega ratioGain probability vs. loss probability | 1.11 | 0.97 | +0.14 |
| Calmar ratioReturn relative to maximum drawdown | 0.72 | -0.30 | +1.02 |
| Martin ratioReturn relative to average drawdown | 1.83 | -0.66 | +2.49 |
Loading charts...
Drawdowns
MFAAX vs. PEDIX - Drawdown Comparison
The maximum MFAAX drawdown since its inception was -16.60%, smaller than the maximum PEDIX drawdown of -60.38%. Use the drawdown chart below to compare losses from any high point for MFAAX and PEDIX.
Loading charts...
Drawdown Indicators
| MFAAX | PEDIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.60% | -60.38% | +43.78% |
Max Drawdown (1Y)Largest decline over 1 year | -3.33% | -13.23% | +9.90% |
Max Drawdown (3Y)Largest decline over 3 years | -6.25% | -22.63% | +16.38% |
Max Drawdown (5Y)Largest decline over 5 years | -16.47% | -56.15% | +39.68% |
Max Drawdown (10Y)Largest decline over 10 years | -16.60% | -60.38% | +43.78% |
Current DrawdownCurrent decline from peak | -3.15% | -56.15% | +53.00% |
Average DrawdownAverage peak-to-trough decline | -2.62% | -21.45% | +18.83% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.30% | 6.01% | -4.71% |
Volatility
MFAAX vs. PEDIX - Volatility Comparison
The current volatility for American Funds Mortgage Fund (MFAAX) is 1.14%, while PIMCO Extended Duration Fund (PEDIX) has a volatility of 3.93%. This indicates that MFAAX experiences smaller price fluctuations and is considered to be less risky than PEDIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| MFAAX | PEDIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.14% | 3.93% | -2.79% |
Volatility (6M)Calculated over the trailing 6-month period | 3.23% | 11.02% | -7.79% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.02% | 14.71% | -10.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.43% | 22.04% | -15.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.85% | 20.48% | -15.63% |
MFAAX vs. PEDIX - Expense Ratio Comparison
MFAAX has a 0.64% expense ratio, which is higher than PEDIX's 0.50% expense ratio.
Dividends
MFAAX vs. PEDIX - Dividend Comparison
MFAAX's dividend yield for the trailing twelve months is around 3.84%, less than PEDIX's 3.88% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MFAAX American Funds Mortgage Fund | 3.84% | 4.18% | 4.49% | 3.24% | 1.36% | 0.33% | 4.38% | 2.90% | 1.77% | 1.65% | 2.34% | 2.44% |
PEDIX PIMCO Extended Duration Fund | 3.88% | 3.41% | 1.86% | 4.59% | 3.02% | 27.69% | 22.31% | 2.35% | 3.91% | 4.00% | 8.05% | 4.96% |
Frequently Asked Questions
MFAAX and PEDIX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PEDIX has higher volatility (3.93%) compared to MFAAX (1.14%). In terms of maximum drawdown, MFAAX dropped -16.60% vs PEDIX's -60.38%.
MFAAX currently has the higher Sharpe Ratio (0.60 vs -0.27), 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.
Find the right allocation for MFAAX and PEDIX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer