ABNFX vs. BIMSX

Last updated Jun 5, 2026

ABNFX (American Funds The Bond Fund of America® Class F-2) and BIMSX (Baird Intermediate Bond Fund) are both Intermediate Core Bond funds. Over the past 10 years, ABNFX returned 1.90%/yr vs 1.95%/yr for BIMSX. Their correlation of 0.88 suggests significant overlap in exposure. ABNFX charges 0.35%/yr vs 0.55%/yr for BIMSX.

Performance

ABNFX vs. BIMSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds The Bond Fund of America® Class F-2 (ABNFX) and Baird Intermediate Bond Fund (BIMSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ABNFX achieves a -0.07% return, which is significantly lower than BIMSX's -0.01% return. Both investments have delivered pretty close results over the past 10 years, with ABNFX having a 1.90% annualized return and BIMSX not far ahead at 1.95%.

ABNFX

• 1D: -0.27%
• 1M: 0.01%
• YTD: -0.07%
• 6M: 0.12%
• 1Y: 4.35%
• 3Y*: 3.83%
• 5Y*: -0.10%
• 10Y*: 1.90%

BIMSX

• 1D: -0.18%
• 1M: -0.05%
• YTD: -0.01%
• 6M: 0.26%
• 1Y: 3.53%
• 3Y*: 4.46%
• 5Y*: 1.03%
• 10Y*: 1.95%

*Multi-year figures are annualized to reflect compound growth (CAGR)

ABNFX vs. BIMSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ABNFX American Funds The Bond Fund of America® Class F-2	-0.07%	7.42%	1.42%	4.29%	-13.08%	-0.88%	10.86%	8.08%	0.15%	3.48%
BIMSX Baird Intermediate Bond Fund	-0.01%	6.76%	3.21%	5.53%	-8.88%	-1.68%	7.16%	6.83%	0.30%	2.53%

Correlation

The correlation between ABNFX and BIMSX is 0.90, 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	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Aug 4, 2008	0.88

The correlation between ABNFX and BIMSX has been stable across timeframes, ranging from 0.88 to 0.93 - a consistent structural relationship.

Return for Risk

ABNFX vs. BIMSX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ABNFX

ABNFX Risk / Return Rank: 19
ABNFX Sharpe Ratio Rank: 20
ABNFX Sortino Ratio Rank: 21
ABNFX Omega Ratio Rank: 18
ABNFX Calmar Ratio Rank: 20
ABNFX Martin Ratio Rank: 18

BIMSX

BIMSX Risk / Return Rank: 30
BIMSX Sharpe Ratio Rank: 29
BIMSX Sortino Ratio Rank: 32
BIMSX Omega Ratio Rank: 31
BIMSX Calmar Ratio Rank: 32
BIMSX Martin Ratio Rank: 27

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.

ABNFX vs. BIMSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds The Bond Fund of America® Class F-2 (ABNFX) and Baird Intermediate Bond Fund (BIMSX). 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.

	ABNFX	BIMSX	Difference
Sharpe ratio: Return per unit of total volatility	1.27	1.55	-0.28
Sortino ratio: Return per unit of downside risk	1.92	2.35	-0.43
Omega ratio: Gain probability vs. loss probability	1.22	1.29	-0.07
Calmar ratio: Return relative to maximum drawdown	1.62	2.10	-0.48
Martin ratio: Return relative to average drawdown	4.83	6.48	-1.65
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ABNFX vs. BIMSX - Sharpe Ratio Comparison

The current ABNFX Sharpe Ratio is 1.27, which is comparable to the BIMSX Sharpe Ratio of 1.55. The chart below compares the historical Sharpe Ratios of ABNFX and BIMSX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	ABNFX	BIMSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.27	1.55	-0.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.02	0.27	-0.28
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	0.60	-0.21
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	1.09	-0.44

Drawdowns

ABNFX vs. BIMSX - Drawdown Comparison

The maximum ABNFX drawdown since its inception was -17.69%, which is greater than BIMSX's maximum drawdown of -13.07%. Use the drawdown chart below to compare losses from any high point for ABNFX and BIMSX.

Drawdown Indicators

	ABNFX	BIMSX	Difference
Max Drawdown Largest peak-to-trough decline	-17.69%	-13.07%	-4.62%
Max Drawdown (1Y) Largest decline over 1 year	-3.09%	-1.87%	-1.22%
Max Drawdown (3Y) Largest decline over 3 years	-6.12%	-2.57%	-3.55%
Max Drawdown (5Y) Largest decline over 5 years	-17.65%	-13.00%	-4.65%
Max Drawdown (10Y) Largest decline over 10 years	-17.69%	-13.07%	-4.62%
Current Drawdown Current decline from peak	-2.18%	-1.16%	-1.02%
Average Drawdown Average peak-to-trough decline	-3.29%	-1.59%	-1.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.04%	0.60%	+0.44%

Volatility

ABNFX vs. BIMSX - Volatility Comparison

American Funds The Bond Fund of America® Class F-2 (ABNFX) has a higher volatility of 1.38% compared to Baird Intermediate Bond Fund (BIMSX) at 0.85%. This indicates that ABNFX's price experiences larger fluctuations and is considered to be riskier than BIMSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ABNFX	BIMSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.38%	0.85%	+0.53%
Volatility (6M) Calculated over the trailing 6-month period	2.82%	1.79%	+1.03%
Volatility (1Y) Calculated over the trailing 1-year period	3.95%	2.54%	+1.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.96%	3.88%	+2.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.89%	3.24%	+1.65%

ABNFX vs. BIMSX - Expense Ratio Comparison

ABNFX has a 0.35% expense ratio, which is lower than BIMSX's 0.55% expense ratio.

Dividends

ABNFX vs. BIMSX - Dividend Comparison

ABNFX's dividend yield for the trailing twelve months is around 4.39%, more than BIMSX's 3.60% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ABNFX American Funds The Bond Fund of America® Class F-2	4.39%	4.37%	4.55%	3.19%	2.37%	2.07%	5.15%	3.72%	2.65%	2.10%	2.31%	2.24%
BIMSX Baird Intermediate Bond Fund	3.60%	3.50%	3.44%	2.81%	1.81%	1.90%	3.08%	2.16%	2.14%	1.98%	1.89%	2.21%

Frequently Asked Questions

Can I hold both ABNFX and BIMSX in my portfolio?

ABNFX and BIMSX have a correlation of 0.90, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ABNFX or BIMSX?

ABNFX has higher volatility (1.38%) compared to BIMSX (0.85%). In terms of maximum drawdown, ABNFX dropped -17.69% vs BIMSX's -13.07%.

Which has better risk-adjusted returns?

BIMSX currently has the higher Sharpe Ratio (1.55 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.