BSBSX vs. BUBSX

Last updated Jun 5, 2026

BSBSX (Baird Short-Term Bond Fund Investor Class) and BUBSX (Baird Ultra Short Bond Fund) are both mutual funds - BSBSX is a Short-Term Bond fund tracking the Bloomberg 1-3 Year U.S. Government/Credit Index, while BUBSX is a Ultrashort Bond fund managed by Baird. Over the past 10 years, BSBSX returned 2.23%/yr vs 2.51%/yr for BUBSX. At a 0.29 correlation, their price movements are largely independent. BSBSX charges 0.55%/yr vs 0.40%/yr for BUBSX.

Performance

BSBSX vs. BUBSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Baird Short-Term Bond Fund Investor Class (BSBSX) and Baird Ultra Short Bond Fund (BUBSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BSBSX achieves a 0.63% return, which is significantly lower than BUBSX's 1.41% return. Over the past 10 years, BSBSX has underperformed BUBSX with an annualized return of 2.23%, while BUBSX has yielded a comparatively higher 2.51% annualized return.

BSBSX

• 1D: 0.00%
• 1M: 0.13%
• YTD: 0.63%
• 6M: 0.93%
• 1Y: 3.63%
• 3Y*: 4.83%
• 5Y*: 2.23%
• 10Y*: 2.23%

BUBSX

• 1D: 0.00%
• 1M: 0.23%
• YTD: 1.41%
• 6M: 1.75%
• 1Y: 4.01%
• 3Y*: 4.96%
• 5Y*: 3.45%
• 10Y*: 2.51%

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

BSBSX vs. BUBSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BSBSX Baird Short-Term Bond Fund Investor Class	0.63%	5.41%	4.73%	5.39%	-3.88%	-0.57%	3.87%	4.42%	1.24%	1.28%
BUBSX Baird Ultra Short Bond Fund	1.41%	4.53%	5.47%	5.43%	0.70%	-0.05%	1.66%	2.87%	1.61%	1.05%

Correlation

The correlation between BSBSX and BUBSX is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.31
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (5Y) Calculated over the trailing 5-year period	0.38
Correlation (10Y) Calculated over the trailing 10-year period	0.31
Correlation (All Time) Calculated using the full available price history since Jan 6, 2014	0.29

Return for Risk

BSBSX vs. BUBSX — Risk / Return Rank

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

BSBSX

BSBSX Risk / Return Rank: 90
BSBSX Sharpe Ratio Rank: 86
BSBSX Sortino Ratio Rank: 91
BSBSX Omega Ratio Rank: 89
BSBSX Calmar Ratio Rank: 91
BSBSX Martin Ratio Rank: 93

BUBSX

BUBSX Risk / Return Rank: 100
BUBSX Sharpe Ratio Rank: 100
BUBSX Sortino Ratio Rank: 100
BUBSX Omega Ratio Rank: 100
BUBSX Calmar Ratio Rank: 100
BUBSX Martin Ratio Rank: 100

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.

BSBSX vs. BUBSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Baird Short-Term Bond Fund Investor Class (BSBSX) and Baird Ultra Short Bond Fund (BUBSX). 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.

	BSBSX	BUBSX	Difference
Sharpe ratio: Return per unit of total volatility	2.79	6.62	-3.83
Sortino ratio: Return per unit of downside risk	4.55	23.03	-18.48
Omega ratio: Gain probability vs. loss probability	1.65	12.11	-10.47
Calmar ratio: Return relative to maximum drawdown	4.63	41.98	-37.35
Martin ratio: Return relative to average drawdown	20.05	305.78	-285.73
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BSBSX vs. BUBSX - Sharpe Ratio Comparison

The current BSBSX Sharpe Ratio is 2.79, which is lower than the BUBSX Sharpe Ratio of 6.62. The chart below compares the historical Sharpe Ratios of BSBSX and BUBSX, 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

	BSBSX	BUBSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.79	6.62	-3.83
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.15	4.56	-3.40
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.33	3.58	-2.25
Sharpe Ratio (All Time) Calculated using the full available price history	1.31	3.16	-1.85

Drawdowns

BSBSX vs. BUBSX - Drawdown Comparison

The maximum BSBSX drawdown since its inception was -6.29%, which is greater than BUBSX's maximum drawdown of -1.88%. Use the drawdown chart below to compare losses from any high point for BSBSX and BUBSX.

Drawdown Indicators

	BSBSX	BUBSX	Difference
Max Drawdown Largest peak-to-trough decline	-6.29%	-1.88%	-4.41%
Max Drawdown (1Y) Largest decline over 1 year	-0.84%	-0.10%	-0.74%
Max Drawdown (3Y) Largest decline over 3 years	-0.84%	-0.29%	-0.55%
Max Drawdown (5Y) Largest decline over 5 years	-6.29%	-0.83%	-5.46%
Max Drawdown (10Y) Largest decline over 10 years	-6.29%	-1.88%	-4.41%
Current Drawdown Current decline from peak	-0.11%	0.00%	-0.11%
Average Drawdown Average peak-to-trough decline	-0.67%	-0.07%	-0.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.19%	0.01%	+0.18%

Volatility

BSBSX vs. BUBSX - Volatility Comparison

Baird Short-Term Bond Fund Investor Class (BSBSX) has a higher volatility of 0.40% compared to Baird Ultra Short Bond Fund (BUBSX) at 0.14%. This indicates that BSBSX's price experiences larger fluctuations and is considered to be riskier than BUBSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BSBSX	BUBSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.40%	0.14%	+0.26%
Volatility (6M) Calculated over the trailing 6-month period	0.90%	0.43%	+0.47%
Volatility (1Y) Calculated over the trailing 1-year period	1.39%	0.62%	+0.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.95%	0.76%	+1.19%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.67%	0.70%	+0.97%

BSBSX vs. BUBSX - Expense Ratio Comparison

BSBSX has a 0.55% expense ratio, which is higher than BUBSX's 0.40% expense ratio.

Dividends

BSBSX vs. BUBSX - Dividend Comparison

BSBSX's dividend yield for the trailing twelve months is around 4.02%, which matches BUBSX's 4.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BSBSX Baird Short-Term Bond Fund Investor Class	4.02%	4.10%	4.08%	3.16%	1.54%	1.17%	2.37%	2.24%	1.96%	1.49%	1.35%	1.37%
BUBSX Baird Ultra Short Bond Fund	4.04%	4.24%	5.04%	4.39%	1.29%	0.25%	1.14%	2.33%	1.90%	1.04%	0.81%	0.56%

Frequently Asked Questions

Can I hold both BSBSX and BUBSX in my portfolio?

BSBSX and BUBSX have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BSBSX or BUBSX?

BSBSX has higher volatility (0.40%) compared to BUBSX (0.14%). In terms of maximum drawdown, BSBSX dropped -6.29% vs BUBSX's -1.88%.

Which has better risk-adjusted returns?

BUBSX currently has the higher Sharpe Ratio (6.62 vs 2.79), 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.