UDBPX vs. USIAX

Last updated Jun 4, 2026

UDBPX (UBS Sustainable Development Bank Bond Fund) and USIAX (UBS Ultra Short Income Fund) are both mutual funds - UDBPX is a Global Bonds fund managed by UBS, while USIAX is a Ultrashort Bond fund managed by UBS. At a 0.00 correlation, their price movements are largely independent. UDBPX charges 0.25%/yr vs 0.35%/yr for USIAX.

Performance

UDBPX vs. USIAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in UBS Sustainable Development Bank Bond Fund (UDBPX) and UBS Ultra Short Income Fund (USIAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

UDBPX

• 1D: 0.10%
• 1M: 0.10%
• YTD: 0.16%
• 6M: -0.06%
• 1Y: 3.96%
• 3Y*: 3.62%
• 5Y*: 0.33%
• 10Y*: —

USIAX

• 1D: 0.00%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

UDBPX vs. USIAX - Yearly Performance Comparison

	2026 (YTD)
UDBPX UBS Sustainable Development Bank Bond Fund	0.00%
USIAX UBS Ultra Short Income Fund	0.32%

Correlation

The correlation between UDBPX and USIAX is 0.00, 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 (All Time) Calculated using the full available price history since May 29, 2026	0.00

Return for Risk

UDBPX vs. USIAX — Risk / Return Rank

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

UDBPX

UDBPX Risk / Return Rank: 20
UDBPX Sharpe Ratio Rank: 18
UDBPX Sortino Ratio Rank: 19
UDBPX Omega Ratio Rank: 17
UDBPX Calmar Ratio Rank: 25
UDBPX Martin Ratio Rank: 22

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.

UDBPX vs. USIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for UBS Sustainable Development Bank Bond Fund (UDBPX) and UBS Ultra Short Income Fund (USIAX). 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.

	UDBPX	USIAX	Difference
Sharpe ratio Return per unit of total volatility	1.20	—	—
Sortino ratio Return per unit of downside risk	1.84	—	—
Omega ratio Gain probability vs. loss probability	1.22	—	—
Calmar ratio Return relative to maximum drawdown	1.84	—	—
Martin ratio Return relative to average drawdown	5.63	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	UDBPX	USIAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.20	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.07	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.44	12.88	-12.45

Drawdowns

UDBPX vs. USIAX - Drawdown Comparison

The maximum UDBPX drawdown since its inception was -15.45%, which is greater than USIAX's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for UDBPX and USIAX.

Drawdown Indicators

	UDBPX	USIAX	Difference
Max Drawdown Largest peak-to-trough decline	-15.45%	0.00%	-15.45%
Max Drawdown (1Y) Largest decline over 1 year	-2.25%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-4.03%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-14.55%	—	—
Current Drawdown Current decline from peak	-1.33%	0.00%	-1.33%
Average Drawdown Average peak-to-trough decline	-5.11%	0.00%	-5.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.73%	—	—

Volatility

Volatility by Period

	UDBPX	USIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.05%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.35%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	3.47%	2.98%	+0.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.99%	2.98%	+2.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.50%	2.98%	+1.52%

UDBPX vs. USIAX - Expense Ratio Comparison

UDBPX has a 0.25% expense ratio, which is lower than USIAX's 0.35% expense ratio.

Dividends

UDBPX vs. USIAX - Dividend Comparison

UDBPX's dividend yield for the trailing twelve months is around 3.61%, more than USIAX's 0.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
UDBPX UBS Sustainable Development Bank Bond Fund	3.61%	3.12%	2.84%	2.15%	1.46%	1.03%	4.11%	2.69%	0.52%
USIAX UBS Ultra Short Income Fund	0.32%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both UDBPX and USIAX in my portfolio?

UDBPX and USIAX have a correlation of 0.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.