VUDY.DE vs. MDBU.DE
VUDY.DE (Vanguard U.S. Treasury 1-3 Year Bond UCITS ETF USD Distributing) and MDBU.DE (UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis) are both Government Bonds funds - VUDY.DE tracks the Bloomberg US Treasury 1-3 Year Index while MDBU.DE tracks the Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index. Both are passively managed. Their correlation of 0.95 suggests significant overlap in exposure. VUDY.DE charges 0.05%/yr vs 0.18%/yr for MDBU.DE.
Performance
VUDY.DE vs. MDBU.DE - Performance Comparison
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Returns By Period
In the year-to-date period, VUDY.DE achieves a 1.50% return, which is significantly higher than MDBU.DE's 1.02% return.
VUDY.DE
- 1D
- -0.04%
- 1M
- 1.05%
- YTD
- 1.50%
- 6M
- 0.79%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MDBU.DE
- 1D
- 0.09%
- 1M
- 0.95%
- YTD
- 1.02%
- 6M
- 0.32%
- 1Y
- 1.43%
- 3Y*
- 0.83%
- 5Y*
- 1.69%
- 10Y*
- —
VUDY.DE vs. MDBU.DE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
VUDY.DE Vanguard U.S. Treasury 1-3 Year Bond UCITS ETF USD Distributing | 1.50% | -1.28% |
MDBU.DE UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis | 1.02% | -1.34% |
Correlation
The correlation between VUDY.DE and MDBU.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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Return for Risk
VUDY.DE vs. MDBU.DE — Risk / Return Rank
VUDY.DE
MDBU.DE
VUDY.DE vs. MDBU.DE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard U.S. Treasury 1-3 Year Bond UCITS ETF USD Distributing (VUDY.DE) and UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis (MDBU.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.
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
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Sharpe Ratios by Period
| VUDY.DE | MDBU.DE | Difference | |
|---|---|---|---|
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 | 0.07 | 0.22 | -0.15 |
Drawdowns
VUDY.DE vs. MDBU.DE - Drawdown Comparison
The maximum VUDY.DE drawdown since its inception was -3.65%, smaller than the maximum MDBU.DE drawdown of -12.38%. Use the drawdown chart below to compare losses from any high point for VUDY.DE and MDBU.DE.
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Drawdown Indicators
| VUDY.DE | MDBU.DE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.65% | -12.38% | +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 DrawdownCurrent decline from peak | -1.43% | -6.60% | +5.17% |
Average DrawdownAverage peak-to-trough decline | -1.51% | -5.71% | +4.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 1.57% | — |
Volatility
VUDY.DE vs. MDBU.DE - Volatility Comparison
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Volatility by Period
| VUDY.DE | MDBU.DE | Difference | |
|---|---|---|---|
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 | 5.20% | 5.40% | -0.20% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.20% | 7.21% | -2.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.20% | 6.88% | -1.68% |
VUDY.DE vs. MDBU.DE - Expense Ratio Comparison
VUDY.DE has a 0.05% expense ratio, which is lower than MDBU.DE's 0.18% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
VUDY.DE vs. MDBU.DE - Dividend Comparison
VUDY.DE's dividend yield for the trailing twelve months is around 1.63%, less than MDBU.DE's 2.66% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|---|---|---|---|
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, VUDY.DE and MDBU.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.
VUDY.DE tracks Bloomberg US Treasury 1-3 Year Index, while MDBU.DE tracks Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index. They also come from different issuers: Vanguard and UBS. Their fees differ too: 0.05% for VUDY.DE and 0.18% for MDBU.DE.
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