IS04.DE vs. MDBA.DE
IS04.DE (iShares USD Treasury Bond 20+yr UCITS ETF (Dist)) and MDBA.DE (UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) Acc) are both Government Bonds funds - IS04.DE tracks the ICE U.S. Treasury 20+ Year Bond Index while MDBA.DE tracks the Solactive UBS Global Multilateral Development Bank Bond USD 25% Issuer Capped. Both are passively managed. Over the past 5 years, IS04.DE returned -5.21%/yr vs 1.90%/yr for MDBA.DE. At a 0.50 correlation, their price movements are largely independent. IS04.DE charges 0.07%/yr vs 0.15%/yr for MDBA.DE.
Performance
IS04.DE vs. MDBA.DE - Performance Comparison
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Returns By Period
In the year-to-date period, IS04.DE achieves a 0.81% return, which is significantly lower than MDBA.DE's 1.20% return.
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%
MDBA.DE
- 1D
- 0.00%
- 1M
- 0.73%
- YTD
- 1.20%
- 6M
- 0.67%
- 1Y
- 1.63%
- 3Y*
- 1.12%
- 5Y*
- 1.90%
- 10Y*
- —
IS04.DE vs. MDBA.DE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
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% |
MDBA.DE UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) Acc | 1.20% | -5.19% | 8.65% | 0.89% | -1.84% | 6.67% | -4.47% | 7.64% | 0.37% |
Correlation
The correlation between IS04.DE and MDBA.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 | 0.50 |
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Return for Risk
IS04.DE vs. MDBA.DE — Risk / Return Rank
IS04.DE
MDBA.DE
IS04.DE vs. MDBA.DE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares USD Treasury Bond 20+yr UCITS ETF (Dist) (IS04.DE) and UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) Acc (MDBA.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.
| IS04.DE | MDBA.DE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.09 | ||
| Sortino ratioReturn per unit of downside risk | -0.10 | ||
| Omega ratioGain probability vs. loss probability | 1.04 | 1.05 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 0.29 | 0.43 | -0.14 |
| Martin ratioReturn relative to average drawdown | 0.62 | 1.04 | -0.43 |
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
| IS04.DE | MDBA.DE | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.22 | 0.31 | -0.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.34 | 0.26 | -0.60 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.12 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.09 | 0.24 | -0.34 |
Drawdowns
IS04.DE vs. MDBA.DE - Drawdown Comparison
The maximum IS04.DE drawdown since its inception was -47.19%, which is greater than MDBA.DE's maximum drawdown of -12.17%. Use the drawdown chart below to compare losses from any high point for IS04.DE and MDBA.DE.
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Drawdown Indicators
| IS04.DE | MDBA.DE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.19% | -12.17% | -35.02% |
Max Drawdown (1Y)Largest decline over 1 year | -7.33% | -3.81% | -3.52% |
Max Drawdown (3Y)Largest decline over 3 years | -18.47% | -10.11% | -8.36% |
Max Drawdown (5Y)Largest decline over 5 years | -40.05% | -12.02% | -28.03% |
Max Drawdown (10Y)Largest decline over 10 years | -47.19% | — | — |
Current DrawdownCurrent decline from peak | -43.69% | -6.13% | -37.56% |
Average DrawdownAverage peak-to-trough decline | -21.89% | -5.56% | -16.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.45% | 1.55% | +1.90% |
Volatility
IS04.DE vs. MDBA.DE - Volatility Comparison
iShares USD Treasury Bond 20+yr UCITS ETF (Dist) (IS04.DE) has a higher volatility of 2.47% compared to UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) Acc (MDBA.DE) at 0.85%. This indicates that IS04.DE's price experiences larger fluctuations and is considered to be riskier than MDBA.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IS04.DE | MDBA.DE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.47% | 0.85% | +1.62% |
Volatility (6M)Calculated over the trailing 6-month period | 6.52% | 3.65% | +2.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.70% | 5.31% | +4.39% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.21% | 7.26% | +7.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.69% | 7.03% | +7.66% |
IS04.DE vs. MDBA.DE - Expense Ratio Comparison
IS04.DE has a 0.07% expense ratio, which is lower than MDBA.DE's 0.15% 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
IS04.DE vs. MDBA.DE - Dividend Comparison
IS04.DE's dividend yield for the trailing twelve months is around 4.35%, while MDBA.DE has not paid dividends to shareholders.
| 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% |
MDBA.DE UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) Acc | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IS04.DE and MDBA.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 0.15% for MDBA.DE.
IS04.DE tracks ICE U.S. Treasury 20+ Year Bond Index, while MDBA.DE tracks Solactive UBS Global Multilateral Development Bank Bond USD 25% Issuer Capped. They also come from different issuers: iShares and UBS. Their fees differ too: 0.07% for IS04.DE and 0.15% for MDBA.DE.
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