CUTAX vs. BUBSX

Last updated Jun 24, 2026

CUTAX (Six Circles Tax Aware Ultra Short Duration Fund) and BUBSX (Baird Ultra Short Bond Fund) are both Ultrashort Bond funds. Over the past 5 years, CUTAX returned 2.39%/yr vs 3.51%/yr for BUBSX. At a 0.19 correlation, their price movements are largely independent. CUTAX charges 0.15%/yr vs 0.40%/yr for BUBSX.

Performance

CUTAX vs. BUBSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Six Circles Tax Aware Ultra Short Duration Fund (CUTAX) and Baird Ultra Short Bond Fund (BUBSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with CUTAX having a 1.64% return and BUBSX slightly lower at 1.61%.

CUTAX

• 1D: -0.10%
• 1M: 1.25%
• YTD: 1.64%
• 6M: 1.76%
• 1Y: 3.54%
• 3Y*: 3.84%
• 5Y*: 2.39%
• 10Y*: —

BUBSX

• 1D: 0.00%
• 1M: 0.33%
• YTD: 1.61%
• 6M: 1.65%
• 1Y: 4.01%
• 3Y*: 4.92%
• 5Y*: 3.51%
• 10Y*: 2.52%

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

CUTAX vs. BUBSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
CUTAX Six Circles Tax Aware Ultra Short Duration Fund	1.64%	3.69%	3.74%	3.86%	-0.79%	0.02%	1.79%	0.49%	-0.20%
BUBSX Baird Ultra Short Bond Fund	1.61%	4.53%	5.47%	5.43%	0.70%	-0.05%	1.66%	2.87%	0.84%

Correlation

The correlation between CUTAX and BUBSX is 0.07, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.07
Correlation (3Y) Calculated over the trailing 3-year period	0.12
Correlation (5Y) Calculated over the trailing 5-year period	0.21
Correlation (All Time) Calculated using the full available price history since Jul 9, 2018	0.19

The correlation between CUTAX and BUBSX shifts across timeframes, from 0.07 (1 year) to 0.21 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

CUTAX vs. BUBSX — Risk / Return Rank

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

CUTAX

CUTAX Risk / Return Rank: 98
CUTAX Sharpe Ratio Rank: 98
CUTAX Sortino Ratio Rank: 98
CUTAX Omega Ratio Rank: 99
CUTAX Calmar Ratio Rank: 96
CUTAX Martin Ratio Rank: 99

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.

CUTAX vs. BUBSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Six Circles Tax Aware Ultra Short Duration Fund (CUTAX) 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.

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.

	CUTAX	BUBSX	Difference
Sharpe ratio: Return per unit of total volatility	3.65	6.21	-2.56
Sortino ratio: Return per unit of downside risk	6.97	17.60	-10.63
Omega ratio: Gain probability vs. loss probability	2.72	8.03	-5.31
Calmar ratio: Return relative to maximum drawdown	6.06	40.89	-34.83
Martin ratio: Return relative to average drawdown	38.06	249.94	-211.87

CUTAX vs. BUBSX - Sharpe Ratio Comparison

The current CUTAX Sharpe Ratio is 3.65, which is lower than the BUBSX Sharpe Ratio of 6.21. The chart below compares the historical Sharpe Ratios of CUTAX 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.

Drawdowns

CUTAX vs. BUBSX - Drawdown Comparison

The maximum CUTAX drawdown since its inception was -1.79%, roughly equal to the maximum BUBSX drawdown of -1.88%. Use the drawdown chart below to compare losses from any high point for CUTAX and BUBSX.

Drawdown Indicators

	CUTAX	BUBSX	Difference
Max Drawdown Largest peak-to-trough decline	-1.79%	-1.88%	+0.09%
Max Drawdown (1Y) Largest decline over 1 year	-0.61%	-0.10%	-0.51%
Max Drawdown (3Y) Largest decline over 3 years	-1.01%	-0.29%	-0.72%
Max Drawdown (5Y) Largest decline over 5 years	-1.73%	-0.79%	-0.94%
Max Drawdown (10Y) Largest decline over 10 years	—	-1.88%	—
Current Drawdown Current decline from peak	-0.10%	0.00%	-0.10%
Average Drawdown Average peak-to-trough decline	-0.21%	-0.07%	-0.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.10%	0.02%	+0.08%

Volatility

CUTAX vs. BUBSX - Volatility Comparison

Six Circles Tax Aware Ultra Short Duration Fund (CUTAX) has a higher volatility of 0.58% compared to Baird Ultra Short Bond Fund (BUBSX) at 0.26%. This indicates that CUTAX'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

	CUTAX	BUBSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.58%	0.26%	+0.32%
Volatility (6M) Calculated over the trailing 6-month period	0.85%	0.47%	+0.38%
Volatility (1Y) Calculated over the trailing 1-year period	1.01%	0.65%	+0.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.07%	0.76%	+0.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.95%	0.71%	+0.24%

CUTAX vs. BUBSX - Expense Ratio Comparison

CUTAX has a 0.15% expense ratio, which is lower than BUBSX's 0.40% expense ratio.

Dividends

CUTAX vs. BUBSX - Dividend Comparison

CUTAX's dividend yield for the trailing twelve months is around 3.06%, less than BUBSX's 4.03% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BUBSX Baird Ultra Short Bond Fund	4.03%	4.24%	5.04%	4.39%	1.29%	0.25%	1.14%	2.33%	1.90%	1.04%	0.81%	0.56%
CUTAX Six Circles Tax Aware Ultra Short Duration Fund	3.06%	3.22%	3.47%	2.86%	1.14%	0.52%	1.38%	0.48%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CUTAX and BUBSX in my portfolio?

CUTAX and BUBSX have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CUTAX or BUBSX?

CUTAX has higher volatility (0.58%) compared to BUBSX (0.26%). In terms of maximum drawdown, CUTAX dropped -1.79% vs BUBSX's -1.88%.

Which has better risk-adjusted returns?

BUBSX currently has the higher Sharpe Ratio (6.21 vs 3.65), 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.