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DODIX vs. AMFIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

DODIX vs. AMFIX

Last updated Jun 20, 2026

DODIX (Dodge & Cox Income Fund) and AMFIX (AAMA Income Fund) are both Intermediate Core-Plus Bond funds. Over the past 5 years, DODIX returned 1.20%/yr vs 0.78%/yr for AMFIX. A 0.77 correlation means they provide meaningful diversification when combined. DODIX charges 0.41%/yr vs 0.92%/yr for AMFIX.

Performance

DODIX vs. AMFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dodge & Cox Income Fund (DODIX) and AAMA Income Fund (AMFIX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, DODIX achieves a 0.67% return, which is significantly higher than AMFIX's 0.30% return.

DODIX

1D
0.23%
1M
0.95%
YTD
0.67%
6M
0.83%
1Y
5.75%
3Y*
5.20%
5Y*
1.20%
10Y*
2.92%

AMFIX

1D
0.12%
1M
0.17%
YTD
0.30%
6M
0.36%
1Y
2.31%
3Y*
3.32%
5Y*
0.78%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

DODIX vs. AMFIX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
DODIX
Dodge & Cox Income Fund		0.67%8.32%2.25%7.69%-11.42%-0.92%9.46%9.73%-0.31%0.59%
AMFIX
AAMA Income Fund		0.30%3.74%3.48%3.84%-6.26%-1.37%2.24%2.47%0.89%-0.44%

Correlation

The correlation between DODIX and AMFIX is 0.78, 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

0.78

Correlation (3Y)
Calculated over the trailing 3-year period

0.81

Correlation (5Y)
Calculated over the trailing 5-year period

0.84

Correlation (All Time)
Calculated using the full available price history since Aug 30, 2017

0.77

The correlation between DODIX and AMFIX has been stable across timeframes, ranging from 0.77 to 0.84 - a consistent structural relationship.

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Dodge & Cox Income Fund

AAMA Income Fund

Often compared with DODIX:
DODIX vs. PIMIXDODIX vs. FXNAXDODIX vs. AGGDODIX vs. DODLXDODIX vs. VBMPXDODIX vs. BAGIXDODIX vs. VBITX
Often compared with AMFIX:
AMFIX vs. HOBIXAMFIX vs. ARINXAMFIX vs. EINFXAMFIX vs. AAIIXAMFIX vs. BCPIXAMFIX vs. GUGAXAMFIX vs. MCFIX

Return for Risk

DODIX vs. AMFIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
DODIX
DODIX Risk / Return Rank: 2929
Overall Rank
DODIX Sharpe Ratio Rank: 3131
Sharpe Ratio Rank
DODIX Sortino Ratio Rank: 3232
Sortino Ratio Rank
DODIX Omega Ratio Rank: 3030
Omega Ratio Rank
DODIX Calmar Ratio Rank: 2828
Calmar Ratio Rank
DODIX Martin Ratio Rank: 2424
Martin Ratio Rank
AMFIX
AMFIX Risk / Return Rank: 6969
Overall Rank
AMFIX Sharpe Ratio Rank: 6666
Sharpe Ratio Rank
AMFIX Sortino Ratio Rank: 7575
Sortino Ratio Rank
AMFIX Omega Ratio Rank: 7676
Omega Ratio Rank
AMFIX Calmar Ratio Rank: 7676
Calmar Ratio Rank
AMFIX Martin Ratio Rank: 5252
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

DODIX vs. AMFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dodge & Cox Income Fund (DODIX) and AAMA Income Fund (AMFIX). 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.

DODIXAMFIXDifference
Sharpe ratioReturn per unit of total volatility
1.43
2.14

-0.71

Sortino ratioReturn per unit of downside risk
2.11
3.24

-1.13

Omega ratioGain probability vs. loss probability

1.26

1.44

-0.18

Calmar ratioReturn relative to maximum drawdown

1.82

3.20

-1.38

Martin ratioReturn relative to average drawdown

5.22

9.90

-4.68

DODIX vs. AMFIX - Sharpe Ratio Comparison

The current DODIX Sharpe Ratio is 1.43, which is lower than the AMFIX Sharpe Ratio of 2.14. The chart below compares the historical Sharpe Ratios of DODIX and AMFIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

DODIX vs. AMFIX - Drawdown Comparison

The maximum DODIX drawdown since its inception was -16.89%, which is greater than AMFIX's maximum drawdown of -9.35%. Use the drawdown chart below to compare losses from any high point for DODIX and AMFIX.

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Drawdown Indicators

DODIXAMFIXDifference

Max Drawdown

Largest peak-to-trough decline

-16.89%

-9.35%

-7.54%

Max Drawdown (1Y)

Largest decline over 1 year

-3.17%

-0.74%

-2.43%

Max Drawdown (3Y)

Largest decline over 3 years

-5.68%

-0.88%

-4.80%

Max Drawdown (5Y)

Largest decline over 5 years

-16.89%

-8.91%

-7.98%

Max Drawdown (10Y)

Largest decline over 10 years

-16.89%

—

—

Current Drawdown

Current decline from peak

-1.48%

-0.39%

-1.09%

Average Drawdown

Average peak-to-trough decline

-1.50%

-2.02%

+0.52%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.10%

0.24%

+0.86%

Volatility

DODIX vs. AMFIX - Volatility Comparison

Dodge & Cox Income Fund (DODIX) has a higher volatility of 1.18% compared to AAMA Income Fund (AMFIX) at 0.46%. This indicates that DODIX's price experiences larger fluctuations and is considered to be riskier than AMFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

DODIXAMFIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

1.18%

0.46%

+0.72%

Volatility (6M)

Calculated over the trailing 6-month period

3.06%

0.91%

+2.15%

Volatility (1Y)

Calculated over the trailing 1-year period

4.05%

1.11%

+2.94%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

5.57%

2.17%

+3.40%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

4.45%

1.74%

+2.71%

DODIX vs. AMFIX - Expense Ratio Comparison

DODIX has a 0.41% expense ratio, which is lower than AMFIX's 0.92% expense ratio.

Dividends

DODIX vs. AMFIX - Dividend Comparison

DODIX's dividend yield for the trailing twelve months is around 4.25%, more than AMFIX's 2.21% yield.

PositionTTM20252024202320222021202020192018201720162015
AMFIX
AAMA Income Fund		2.21%2.08%2.44%1.70%0.83%0.57%0.83%1.24%1.24%0.40%0.00%0.00%
DODIX
Dodge & Cox Income Fund		4.25%4.23%4.24%3.86%2.19%3.23%4.66%3.63%3.43%3.03%3.25%3.09%

Frequently Asked Questions

DODIX and AMFIX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

DODIX has higher volatility (1.18%) compared to AMFIX (0.46%). In terms of maximum drawdown, DODIX dropped -16.89% vs AMFIX's -9.35%.

AMFIX currently has the higher Sharpe Ratio (2.14 vs 1.43), 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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