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MDBU.DE vs. VUDY.DE
Performance
Return for Risk
Drawdowns
Volatility
Dividends

MDBU.DE vs. VUDY.DE

Last updated Jun 5, 2026

MDBU.DE (UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis) and VUDY.DE (Vanguard U.S. Treasury 1-3 Year Bond UCITS ETF USD Distributing) are both Government Bonds funds - MDBU.DE tracks the Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index while VUDY.DE tracks the Bloomberg US Treasury 1-3 Year Index. Both are passively managed. Their correlation of 0.95 suggests significant overlap in exposure. MDBU.DE charges 0.18%/yr vs 0.05%/yr for VUDY.DE.

Performance

MDBU.DE vs. VUDY.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis (MDBU.DE) and Vanguard U.S. Treasury 1-3 Year Bond UCITS ETF USD Distributing (VUDY.DE). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, MDBU.DE achieves a 1.02% return, which is significantly lower than VUDY.DE's 1.50% return.

MDBU.DE

1D
0.09%
1M
0.78%
YTD
1.02%
6M
0.39%
1Y
1.13%
3Y*
0.83%
5Y*
1.69%
10Y*
—

VUDY.DE

1D
-0.04%
1M
0.77%
YTD
1.50%
6M
0.93%
1Y
—
3Y*
—
5Y*
—
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

MDBU.DE vs. VUDY.DE - Yearly Performance Comparison

2026 (YTD)2025
MDBU.DE
UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis		1.02%-1.34%
VUDY.DE
Vanguard U.S. Treasury 1-3 Year Bond UCITS ETF USD Distributing		1.50%-1.28%

Correlation

The correlation between MDBU.DE and VUDY.DE is 0.95, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

Correlation
Correlation (All Time)
Calculated using the full available price history since Nov 7, 2025

0.95

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UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis

Vanguard U.S. Treasury 1-3 Year Bond UCITS ETF USD Distributing

Often compared with MDBU.DE:
MDBU.DE vs. UEFI.DEMDBU.DE vs. MDBA.DEMDBU.DE vs. 2B7S.DEMDBU.DE vs. SXRL.DEMDBU.DE vs. CBU0.DEMDBU.DE vs. CEMF.DEMDBU.DE vs. PR1T.DE
Often compared with VUDY.DE:
VUDY.DE vs. SXRL.DEVUDY.DE vs. XUTD.DEVUDY.DE vs. CEMF.DEVUDY.DE vs. PR1S.DEVUDY.DE vs. 2B7S.DEVUDY.DE vs. BBLL.DEVUDY.DE vs. SPP7.DE

Return for Risk

MDBU.DE vs. VUDY.DE — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
MDBU.DE
MDBU.DE Risk / Return Rank: 1212
Overall Rank
MDBU.DE Sharpe Ratio Rank: 1212
Sharpe Ratio Rank
MDBU.DE Sortino Ratio Rank: 1111
Sortino Ratio Rank
MDBU.DE Omega Ratio Rank: 1111
Omega Ratio Rank
MDBU.DE Calmar Ratio Rank: 1313
Calmar Ratio Rank
MDBU.DE Martin Ratio Rank: 1212
Martin Ratio Rank
VUDY.DE
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.

MDBU.DE vs. VUDY.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis (MDBU.DE) and Vanguard U.S. Treasury 1-3 Year Bond UCITS ETF USD Distributing (VUDY.DE). 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.

MDBU.DEVUDY.DEDifference
Sharpe ratioReturn per unit of total volatility
0.21

—

—

Sortino ratioReturn per unit of downside risk
0.34

—

—

Omega ratioGain probability vs. loss probability

1.04

—

—

Calmar ratioReturn relative to maximum drawdown

0.30

—

—

Martin ratioReturn relative to average drawdown

0.72

—

—

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MDBU.DE vs. VUDY.DE - Sharpe Ratio Comparison

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Sharpe Ratios by Period

MDBU.DEVUDY.DEDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.21

—

—

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.23

—

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.22

0.07

+0.15

Drawdowns

MDBU.DE vs. VUDY.DE - Drawdown Comparison

The maximum MDBU.DE drawdown since its inception was -12.38%, which is greater than VUDY.DE's maximum drawdown of -3.65%. Use the drawdown chart below to compare losses from any high point for MDBU.DE and VUDY.DE.

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Drawdown Indicators

MDBU.DEVUDY.DEDifference

Max Drawdown

Largest peak-to-trough decline

-12.38%

-3.65%

-8.73%

Max Drawdown (1Y)

Largest decline over 1 year

-3.81%

—

—

Max Drawdown (3Y)

Largest decline over 3 years

-10.06%

—

—

Max Drawdown (5Y)

Largest decline over 5 years

-12.09%

—

—

Current Drawdown

Current decline from peak

-6.60%

-1.43%

-5.17%

Average Drawdown

Average peak-to-trough decline

-5.71%

-1.51%

-4.20%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.57%

—

—

Volatility

MDBU.DE vs. VUDY.DE - Volatility Comparison

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Volatility by Period

MDBU.DEVUDY.DEDifference

Volatility (1M)

Calculated over the trailing 1-month period

0.90%

—

—

Volatility (6M)

Calculated over the trailing 6-month period

3.83%

—

—

Volatility (1Y)

Calculated over the trailing 1-year period

5.40%

5.20%

+0.20%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

7.21%

5.20%

+2.01%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

6.88%

5.20%

+1.68%

MDBU.DE vs. VUDY.DE - Expense Ratio Comparison

MDBU.DE has a 0.18% expense ratio, which is higher than VUDY.DE's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

MDBU.DE vs. VUDY.DE - Dividend Comparison

MDBU.DE's dividend yield for the trailing twelve months is around 2.66%, more than VUDY.DE's 1.63% yield.

PositionTTM2025202420232022202120202019
MDBU.DE
UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis		2.66%3.79%1.92%1.75%0.75%0.59%1.58%1.40%
VUDY.DE
Vanguard U.S. Treasury 1-3 Year Bond UCITS ETF USD Distributing		1.63%0.37%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

With a correlation of 0.95, MDBU.DE and VUDY.DE move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

On fees, VUDY.DE is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

VUDY.DE is cheaper with a 0.05% expense ratio, compared with 0.18% for MDBU.DE.

MDBU.DE tracks Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index, while VUDY.DE tracks Bloomberg US Treasury 1-3 Year Index. They also come from different issuers: UBS and Vanguard. Their fees differ too: 0.18% for MDBU.DE and 0.05% for VUDY.DE.

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