MDBU.DE vs. UIQ4.DE

Last updated Jun 5, 2026

MDBU.DE (UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis) and UIQ4.DE (UBS Euro Equity Defensive Put Write SF UCITS ETF EUR Acc) are both exchange-traded funds - MDBU.DE is a Government Bonds fund tracking the Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index, while UIQ4.DE is a Derivative Income fund tracking the Euro Equity Defensive Put Write Index. Both are passively managed. At a correlation of -0.12, they often move in opposite directions. MDBU.DE charges 0.18%/yr vs 0.21%/yr for UIQ4.DE.

Performance

MDBU.DE vs. UIQ4.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 UBS Euro Equity Defensive Put Write SF UCITS ETF EUR Acc (UIQ4.DE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MDBU.DE achieves a 1.02% return, which is significantly lower than UIQ4.DE's 3.01% 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*: —

UIQ4.DE

• 1D: 0.18%
• 1M: 2.17%
• YTD: 3.01%
• 6M: 3.58%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MDBU.DE vs. UIQ4.DE - Yearly Performance Comparison

	2026 (YTD)	2025
MDBU.DE UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis	1.02%	0.47%
UIQ4.DE UBS Euro Equity Defensive Put Write SF UCITS ETF EUR Acc	3.01%	6.38%

Correlation

The correlation between MDBU.DE and UIQ4.DE is -0.12, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 11, 2025	-0.12

Return for Risk

MDBU.DE vs. UIQ4.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: 12
MDBU.DE Sharpe Ratio Rank: 12
MDBU.DE Sortino Ratio Rank: 11
MDBU.DE Omega Ratio Rank: 11
MDBU.DE Calmar Ratio Rank: 13
MDBU.DE Martin Ratio Rank: 12

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. UIQ4.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 UBS Euro Equity Defensive Put Write SF UCITS ETF EUR Acc (UIQ4.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	UIQ4.DE	Difference
Sharpe ratio: Return per unit of total volatility	0.21	—	—
Sortino ratio: Return per unit of downside risk	0.34	—	—
Omega ratio: Gain probability vs. loss probability	1.04	—	—
Calmar ratio: Return relative to maximum drawdown	0.30	—	—
Martin ratio: Return 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.

Sharpe Ratios by Period

	MDBU.DE	UIQ4.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	0.22	1.27	-1.05

Drawdowns

MDBU.DE vs. UIQ4.DE - Drawdown Comparison

The maximum MDBU.DE drawdown since its inception was -12.38%, which is greater than UIQ4.DE's maximum drawdown of -3.90%. Use the drawdown chart below to compare losses from any high point for MDBU.DE and UIQ4.DE.

Drawdown Indicators

	MDBU.DE	UIQ4.DE	Difference
Max Drawdown Largest peak-to-trough decline	-12.38%	-3.90%	-8.48%
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%	-0.25%	-6.35%
Average Drawdown Average peak-to-trough decline	-5.71%	-0.87%	-4.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.57%	—	—

Volatility

Volatility by Period

	MDBU.DE	UIQ4.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	5.40%	7.67%	-2.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.21%	7.67%	-0.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.88%	7.67%	-0.79%

MDBU.DE vs. UIQ4.DE - Expense Ratio Comparison

MDBU.DE has a 0.18% expense ratio, which is lower than UIQ4.DE's 0.21% 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

MDBU.DE vs. UIQ4.DE - Dividend Comparison

MDBU.DE's dividend yield for the trailing twelve months is around 2.66%, while UIQ4.DE has not paid dividends to shareholders.

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%
UIQ4.DE UBS Euro Equity Defensive Put Write SF UCITS ETF EUR Acc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MDBU.DE and UIQ4.DE in my portfolio?

MDBU.DE and UIQ4.DE have a correlation of -0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MDBU.DE or UIQ4.DE?

On fees, MDBU.DE is cheaper at 0.18% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MDBU.DE or UIQ4.DE?

MDBU.DE is cheaper with a 0.18% expense ratio, compared with 0.21% for UIQ4.DE.

What is the main difference between MDBU.DE and UIQ4.DE?

MDBU.DE is categorized as Government Bonds, while UIQ4.DE is Derivative Income. MDBU.DE tracks Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index, while UIQ4.DE tracks Euro Equity Defensive Put Write Index. Their fees differ too: 0.18% for MDBU.DE and 0.21% for UIQ4.DE.