PortfoliosLab logoPortfoliosLab logo

Documentation

Upgrade your plan
BCOSX vs. AMFIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

BCOSX vs. AMFIX

Last updated Jun 24, 2026

BCOSX (Baird Core Plus Bond Fund) and AMFIX (AAMA Income Fund) are both Intermediate Core-Plus Bond funds. Over the past 5 years, BCOSX returned 0.42%/yr vs 0.76%/yr for AMFIX. Their correlation of 0.80 suggests significant overlap in exposure. BCOSX charges 0.55%/yr vs 0.92%/yr for AMFIX.

Performance

BCOSX vs. AMFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Baird Core Plus Bond Fund (BCOSX) and AAMA Income Fund (AMFIX). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Returns By Period

In the year-to-date period, BCOSX achieves a 0.32% return, which is significantly higher than AMFIX's 0.18% return.

BCOSX

1D
-0.28%
1M
0.71%
YTD
0.32%
6M
0.60%
1Y
4.31%
3Y*
4.52%
5Y*
0.42%
10Y*
2.07%

AMFIX

1D
-0.12%
1M
0.08%
YTD
0.18%
6M
0.32%
1Y
2.10%
3Y*
3.27%
5Y*
0.76%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

BCOSX vs. AMFIX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
BCOSX
Baird Core Plus Bond Fund		0.32%7.22%2.26%6.60%-13.09%-1.23%8.59%9.69%-0.74%0.23%
AMFIX
AAMA Income Fund		0.18%3.74%3.48%3.84%-6.26%-1.37%2.24%2.47%0.89%-0.44%

Correlation

The correlation between BCOSX and AMFIX is 0.81, 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

0.81

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

0.82

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

0.87

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

0.80

The correlation between BCOSX and AMFIX has been stable across timeframes, ranging from 0.80 to 0.87 - 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.

Baird Core Plus Bond Fund

AAMA Income Fund

Often compared with BCOSX:
BCOSX vs. FXNAXBCOSX vs. DFIEXBCOSX vs. DODIXBCOSX vs. BNDBCOSX vs. AGGBCOSX vs. BIMSXBCOSX vs. FBNDX
Often compared with AMFIX:
AMFIX vs. HOBIXAMFIX vs. ARINXAMFIX vs. EINFXAMFIX vs. AAIIXAMFIX vs. BCPIXAMFIX vs. GUGAXAMFIX vs. MCFIX

Return for Risk

BCOSX vs. AMFIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
BCOSX
BCOSX Risk / Return Rank: 2323
Overall Rank
BCOSX Sharpe Ratio Rank: 2323
Sharpe Ratio Rank
BCOSX Sortino Ratio Rank: 2424
Sortino Ratio Rank
BCOSX Omega Ratio Rank: 2222
Omega Ratio Rank
BCOSX Calmar Ratio Rank: 2626
Calmar Ratio Rank
BCOSX Martin Ratio Rank: 2121
Martin Ratio Rank
AMFIX
AMFIX Risk / Return Rank: 5757
Overall Rank
AMFIX Sharpe Ratio Rank: 5353
Sharpe Ratio Rank
AMFIX Sortino Ratio Rank: 6060
Sortino Ratio Rank
AMFIX Omega Ratio Rank: 6363
Omega Ratio Rank
AMFIX Calmar Ratio Rank: 6666
Calmar Ratio Rank
AMFIX Martin Ratio Rank: 4646
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.

BCOSX vs. AMFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Baird Core Plus Bond Fund (BCOSX) 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.

BCOSXAMFIXDifference
Sharpe ratioReturn per unit of total volatility
1.27
1.97

-0.70

Sortino ratioReturn per unit of downside risk
1.91
2.96

-1.06

Omega ratioGain probability vs. loss probability

1.23

1.40

-0.17

Calmar ratioReturn relative to maximum drawdown

1.75

2.97

-1.22

Martin ratioReturn relative to average drawdown

4.87

9.10

-4.23

BCOSX vs. AMFIX - Sharpe Ratio Comparison

The current BCOSX Sharpe Ratio is 1.27, which is lower than the AMFIX Sharpe Ratio of 1.97. The chart below compares the historical Sharpe Ratios of BCOSX 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.

Loading charts...

Drawdowns

BCOSX vs. AMFIX - Drawdown Comparison

The maximum BCOSX drawdown since its inception was -18.39%, which is greater than AMFIX's maximum drawdown of -9.35%. Use the drawdown chart below to compare losses from any high point for BCOSX and AMFIX.

Loading charts...

Drawdown Indicators

BCOSXAMFIXDifference

Max Drawdown

Largest peak-to-trough decline

-18.39%

-9.35%

-9.04%

Max Drawdown (1Y)

Largest decline over 1 year

-2.58%

-0.74%

-1.84%

Max Drawdown (3Y)

Largest decline over 3 years

-5.80%

-0.88%

-4.92%

Max Drawdown (5Y)

Largest decline over 5 years

-18.39%

-8.91%

-9.48%

Max Drawdown (10Y)

Largest decline over 10 years

-18.39%

—

—

Current Drawdown

Current decline from peak

-1.33%

-0.52%

-0.81%

Average Drawdown

Average peak-to-trough decline

-2.30%

-2.01%

-0.29%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.93%

0.24%

+0.69%

Volatility

BCOSX vs. AMFIX - Volatility Comparison

Baird Core Plus Bond Fund (BCOSX) has a higher volatility of 1.10% compared to AAMA Income Fund (AMFIX) at 0.46%. This indicates that BCOSX'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.

Loading charts...

Volatility by Period

BCOSXAMFIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

1.10%

0.46%

+0.64%

Volatility (6M)

Calculated over the trailing 6-month period

2.62%

0.92%

+1.70%

Volatility (1Y)

Calculated over the trailing 1-year period

3.57%

1.12%

+2.45%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

5.63%

2.17%

+3.46%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

4.66%

1.74%

+2.92%

BCOSX vs. AMFIX - Expense Ratio Comparison

BCOSX has a 0.55% expense ratio, which is lower than AMFIX's 0.92% expense ratio.

Dividends

BCOSX vs. AMFIX - Dividend Comparison

BCOSX's dividend yield for the trailing twelve months is around 3.87%, more than AMFIX's 2.22% yield.

PositionTTM20252024202320222021202020192018201720162015
AMFIX
AAMA Income Fund		2.22%2.08%2.44%1.70%0.83%0.57%0.83%1.24%1.24%0.40%0.00%0.00%
BCOSX
Baird Core Plus Bond Fund		3.87%3.75%3.68%3.17%2.69%2.57%3.11%2.60%2.75%2.47%2.27%2.49%

Frequently Asked Questions

BCOSX and AMFIX have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BCOSX has higher volatility (1.10%) compared to AMFIX (0.46%). In terms of maximum drawdown, BCOSX dropped -18.39% vs AMFIX's -9.35%.

AMFIX currently has the higher Sharpe Ratio (1.97 vs 1.27), 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.

Portfolio Optimizer

Find the right allocation for BCOSX and AMFIX

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