MDBU.L vs. INXG.L
MDBU.L (UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis) and INXG.L (iShares £ Index-Linked Gilts UCITS ETF) are both Government Bonds funds - MDBU.L tracks the Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index while INXG.L tracks the Bloomberg UK Government Inflation-Linked Bond Index. Both are passively managed. Over the past 5 years, MDBU.L returned 2.03%/yr vs -8.26%/yr for INXG.L. At a 0.13 correlation, their price movements are largely independent. MDBU.L charges 0.18%/yr vs 0.10%/yr for INXG.L.
Performance
MDBU.L vs. INXG.L - Performance Comparison
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Different Trading Currencies
MDBU.L is traded in GBp, while INXG.L is traded in GBP. To make them comparable, the INXG.L values have been converted to GBp using the latest available exchange rates.
Returns By Period
In the year-to-date period, MDBU.L achieves a 0.13% return, which is significantly higher than INXG.L's 0.04% return.
MDBU.L
- 1D
- 0.17%
- 1M
- 0.98%
- YTD
- 0.13%
- 6M
- -0.22%
- 1Y
- 4.43%
- 3Y*
- 1.21%
- 5Y*
- 2.03%
- 10Y*
- —
INXG.L
- 1D
- 0.44%
- 1M
- 1.08%
- YTD
- 0.04%
- 6M
- -0.73%
- 1Y
- 3.31%
- 3Y*
- -0.63%
- 5Y*
- -8.26%
- 10Y*
- -1.18%
MDBU.L vs. INXG.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
MDBU.L UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis | 0.13% | -0.80% | 4.66% | -1.28% | 3.51% | -0.35% | 1.30% | 1.13% | 0.00% |
INXG.L iShares £ Index-Linked Gilts UCITS ETF | 0.04% | 1.10% | -8.66% | 0.16% | -34.27% | 4.08% | 11.08% | 6.27% | -1.95% |
Correlation
The correlation between MDBU.L and INXG.L is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.07 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.12 |
Correlation (All Time) Calculated using the full available price history since Dec 20, 2018 | 0.13 |
The correlation between MDBU.L and INXG.L shifts across timeframes, from -0.09 (1 year) to 0.13 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
MDBU.L vs. INXG.L — Risk / Return Rank
MDBU.L
INXG.L
MDBU.L vs. INXG.L - 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.L) and iShares £ Index-Linked Gilts UCITS ETF (INXG.L). 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.L | INXG.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.40 | ||
| Sortino ratioReturn per unit of downside risk | +0.60 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 1.06 | +0.07 |
| Calmar ratioReturn relative to maximum drawdown | 0.94 | 0.50 | +0.44 |
| Martin ratioReturn relative to average drawdown | 2.30 | 1.08 | +1.22 |
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.L | INXG.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.73 | 0.33 | +0.40 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.24 | -0.41 | +0.65 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | -0.07 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.13 | -0.71 | +0.84 |
Drawdowns
MDBU.L vs. INXG.L - Drawdown Comparison
The maximum MDBU.L drawdown since its inception was -18.04%, smaller than the maximum INXG.L drawdown of -99.05%. Use the drawdown chart below to compare losses from any high point for MDBU.L and INXG.L.
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Drawdown Indicators
| MDBU.L | INXG.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.04% | -99.05% | +81.01% |
Max Drawdown (1Y)Largest decline over 1 year | -4.76% | -6.62% | +1.86% |
Max Drawdown (3Y)Largest decline over 3 years | -7.99% | -15.04% | +7.05% |
Max Drawdown (5Y)Largest decline over 5 years | -16.15% | -50.87% | +34.72% |
Max Drawdown (10Y)Largest decline over 10 years | — | -50.87% | — |
Current DrawdownCurrent decline from peak | -9.05% | -98.31% | +89.26% |
Average DrawdownAverage peak-to-trough decline | -10.90% | -97.27% | +86.37% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.93% | 3.06% | -1.13% |
Volatility
MDBU.L vs. INXG.L - Volatility Comparison
The current volatility for UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis (MDBU.L) is 1.66%, while iShares £ Index-Linked Gilts UCITS ETF (INXG.L) has a volatility of 3.49%. This indicates that MDBU.L experiences smaller price fluctuations and is considered to be less risky than INXG.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MDBU.L | INXG.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.66% | 3.49% | -1.83% |
Volatility (6M)Calculated over the trailing 6-month period | 4.44% | 7.26% | -2.82% |
Volatility (1Y)Calculated over the trailing 1-year period | 6.06% | 9.89% | -3.83% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 8.41% | 20.07% | -11.66% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.23% | 17.47% | -8.24% |
MDBU.L vs. INXG.L - Expense Ratio Comparison
MDBU.L has a 0.18% expense ratio, which is higher than INXG.L's 0.10% 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.L vs. INXG.L - Dividend Comparison
MDBU.L's dividend yield for the trailing twelve months is around 3.14%, less than INXG.L's 7.56% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
INXG.L iShares £ Index-Linked Gilts UCITS ETF | 7.56% | 7.23% | 5.77% | 0.43% | 0.00% | 0.00% | 0.61% | 1.36% | 1.95% | 1.28% | 0.65% | 1.94% |
MDBU.L UBS ETF (LU) Sustainable Development Bank Bonds UCITS ETF (USD) A-dis | 3.14% | 3.96% | 2.14% | 1.92% | 0.75% | 0.74% | 1.73% | 1.66% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MDBU.L and INXG.L have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, INXG.L is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.
INXG.L is cheaper with a 0.10% expense ratio, compared with 0.18% for MDBU.L.
MDBU.L tracks Solactive Global Multilateral Development Bank Bond USD 25% Issuer Capped Index, while INXG.L tracks Bloomberg UK Government Inflation-Linked Bond Index. They also come from different issuers: UBS and iShares. Their fees differ too: 0.18% for MDBU.L and 0.10% for INXG.L.
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