MDBU.DE vs. IS04.DE
MDBU.DE (UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis) and IS04.DE (iShares USD Treasury Bond 20+yr UCITS ETF (Dist)) are both Government Bonds funds - MDBU.DE tracks the Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index while IS04.DE tracks the ICE U.S. Treasury 20+ Year Bond Index. Both are passively managed. Over the past 5 years, MDBU.DE returned 1.69%/yr vs -5.21%/yr for IS04.DE. At a 0.49 correlation, their price movements are largely independent. MDBU.DE charges 0.18%/yr vs 0.07%/yr for IS04.DE.
Performance
MDBU.DE vs. IS04.DE - Performance Comparison
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Returns By Period
In the year-to-date period, MDBU.DE achieves a 1.02% return, which is significantly higher than IS04.DE's 0.81% 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*
- —
IS04.DE
- 1D
- 0.41%
- 1M
- 1.45%
- YTD
- 0.81%
- 6M
- -0.81%
- 1Y
- 2.13%
- 3Y*
- -4.20%
- 5Y*
- -5.21%
- 10Y*
- -1.74%
MDBU.DE vs. IS04.DE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
MDBU.DE UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis | 1.02% | -5.52% | 8.42% | 0.69% | -1.90% | 6.58% | -4.66% | 7.40% | 0.42% |
IS04.DE iShares USD Treasury Bond 20+yr UCITS ETF (Dist) | 0.81% | -6.95% | -2.51% | -1.21% | -26.01% | 3.49% | 6.49% | 18.18% | 5.06% |
Correlation
The correlation between MDBU.DE and IS04.DE is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.47 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.45 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.48 |
Correlation (All Time) Calculated using the full available price history since Nov 15, 2018 | 0.49 |
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Return for Risk
MDBU.DE vs. IS04.DE — Risk / Return Rank
MDBU.DE
IS04.DE
MDBU.DE vs. IS04.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 iShares USD Treasury Bond 20+yr UCITS ETF (Dist) (IS04.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.DE | IS04.DE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.01 | ||
| Sortino ratioReturn per unit of downside risk | -0.04 | ||
| Omega ratioGain probability vs. loss probability | 1.04 | 1.04 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 0.30 | 0.29 | +0.01 |
| Martin ratioReturn relative to average drawdown | 0.72 | 0.62 | +0.10 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MDBU.DE | IS04.DE | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.21 | 0.22 | -0.01 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.23 | -0.34 | +0.57 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | -0.12 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | -0.09 | +0.31 |
Drawdowns
MDBU.DE vs. IS04.DE - Drawdown Comparison
The maximum MDBU.DE drawdown since its inception was -12.38%, smaller than the maximum IS04.DE drawdown of -47.19%. Use the drawdown chart below to compare losses from any high point for MDBU.DE and IS04.DE.
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Drawdown Indicators
| MDBU.DE | IS04.DE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -12.38% | -47.19% | +34.81% |
Max Drawdown (1Y)Largest decline over 1 year | -3.81% | -7.33% | +3.52% |
Max Drawdown (3Y)Largest decline over 3 years | -10.06% | -18.47% | +8.41% |
Max Drawdown (5Y)Largest decline over 5 years | -12.09% | -40.05% | +27.96% |
Max Drawdown (10Y)Largest decline over 10 years | — | -47.19% | — |
Current DrawdownCurrent decline from peak | -6.60% | -43.69% | +37.09% |
Average DrawdownAverage peak-to-trough decline | -5.71% | -21.89% | +16.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.57% | 3.45% | -1.88% |
Volatility
MDBU.DE vs. IS04.DE - Volatility Comparison
The current volatility for UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis (MDBU.DE) is 0.90%, while iShares USD Treasury Bond 20+yr UCITS ETF (Dist) (IS04.DE) has a volatility of 2.47%. This indicates that MDBU.DE experiences smaller price fluctuations and is considered to be less risky than IS04.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MDBU.DE | IS04.DE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.90% | 2.47% | -1.57% |
Volatility (6M)Calculated over the trailing 6-month period | 3.83% | 6.52% | -2.69% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.40% | 9.70% | -4.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.21% | 15.21% | -8.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.88% | 14.69% | -7.81% |
MDBU.DE vs. IS04.DE - Expense Ratio Comparison
MDBU.DE has a 0.18% expense ratio, which is higher than IS04.DE's 0.07% 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. IS04.DE - Dividend Comparison
MDBU.DE's dividend yield for the trailing twelve months is around 2.66%, less than IS04.DE's 4.35% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IS04.DE iShares USD Treasury Bond 20+yr UCITS ETF (Dist) | 4.35% | 4.38% | 4.62% | 3.82% | 3.04% | 1.71% | 1.86% | 2.49% | 2.79% | 2.72% | 2.56% | 2.14% |
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% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MDBU.DE and IS04.DE have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, IS04.DE is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.
IS04.DE is cheaper with a 0.07% expense ratio, compared with 0.18% for MDBU.DE.
MDBU.DE tracks Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index, while IS04.DE tracks ICE U.S. Treasury 20+ Year Bond Index. They also come from different issuers: UBS and iShares. Their fees differ too: 0.18% for MDBU.DE and 0.07% for IS04.DE.
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