IBGL.L vs. VDTY.L
IBGL.L (iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist)) and VDTY.L (Vanguard USD Treasury Bond UCITS ETF) are both Government Bonds funds - IBGL.L tracks the iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist) while VDTY.L tracks the Bloomberg Global Aggregate US Treasury Float Adjusted Index. Both are passively managed. Over the past 10 years, IBGL.L returned -2.49%/yr vs 0.52%/yr for VDTY.L. At a 0.49 correlation, their price movements are largely independent. IBGL.L charges 0.20%/yr vs 0.05%/yr for VDTY.L.
Performance
IBGL.L vs. VDTY.L - Performance Comparison
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Different Trading Currencies
IBGL.L is traded in GBP, while VDTY.L is traded in USD. To make them comparable, the VDTY.L values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, IBGL.L achieves a -4.18% return, which is significantly lower than VDTY.L's -0.80% return. Over the past 10 years, IBGL.L has underperformed VDTY.L with an annualized return of -2.49%, while VDTY.L has yielded a comparatively higher 0.52% annualized return.
IBGL.L
- 1D
- -0.40%
- 1M
- -4.05%
- 6M
- -4.44%
- YTD
- -4.18%
- 1Y
- -4.09%
- 3Y*
- -0.76%
- 5Y*
- -8.38%
- 10Y*
- -2.49%
VDTY.L
- 1D
- -0.94%
- 1M
- -1.12%
- 6M
- -1.00%
- YTD
- -0.80%
- 1Y
- 2.31%
- 3Y*
- 1.75%
- 5Y*
- -0.37%
- 10Y*
- 0.52%
IBGL.L vs. VDTY.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IBGL.L iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist) | -4.18% | -0.80% | -5.06% | 7.50% | -30.45% | -13.04% | 18.01% | 9.96% | 3.80% | 2.19% |
VDTY.L Vanguard USD Treasury Bond UCITS ETF | -0.80% | -1.29% | 2.60% | -1.41% | -1.88% | -1.48% | 4.51% | 2.99% | 6.76% | -6.51% |
Correlation
The correlation between IBGL.L and VDTY.L is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.30 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.39 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.42 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.49 |
Correlation (All Time) Calculated using the full available price history since Feb 24, 2016 | 0.49 |
The correlation between IBGL.L and VDTY.L shifts across timeframes, from 0.30 (1 year) to 0.49 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
IBGL.L vs. VDTY.L — Risk / Return Rank
IBGL.L
VDTY.L
IBGL.L vs. VDTY.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist) (IBGL.L) and Vanguard USD Treasury Bond UCITS ETF (VDTY.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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| IBGL.L | VDTY.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.80 | ||
| Sortino ratioReturn per unit of downside risk | -1.12 | ||
| Omega ratioGain probability vs. loss probability | 0.94 | 1.06 | -0.13 |
| Calmar ratioReturn relative to maximum drawdown | -0.50 | 0.40 | -0.90 |
| Martin ratioReturn relative to average drawdown | -1.08 | 0.95 | -2.03 |
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Drawdowns
IBGL.L vs. VDTY.L - Drawdown Comparison
The maximum IBGL.L drawdown since its inception was -46.77%, which is greater than VDTY.L's maximum drawdown of -22.87%. Use the drawdown chart below to compare losses from any high point for IBGL.L and VDTY.L.
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Drawdown Indicators
| IBGL.L | VDTY.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.77% | -22.87% | -23.90% |
Max Drawdown (1Y)Largest decline over 1 year | -8.64% | -5.75% | -2.89% |
Max Drawdown (3Y)Largest decline over 3 years | -12.99% | -8.56% | -4.43% |
Max Drawdown (5Y)Largest decline over 5 years | -41.54% | -16.81% | -24.73% |
Max Drawdown (10Y)Largest decline over 10 years | -46.77% | -22.87% | -23.90% |
Current DrawdownCurrent decline from peak | -42.87% | -18.55% | -24.32% |
Average DrawdownAverage peak-to-trough decline | -14.72% | -12.86% | -1.86% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.99% | 2.42% | +1.57% |
Volatility
IBGL.L vs. VDTY.L - Volatility Comparison
iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist) (IBGL.L) has a higher volatility of 2.80% compared to Vanguard USD Treasury Bond UCITS ETF (VDTY.L) at 2.20%. This indicates that IBGL.L's price experiences larger fluctuations and is considered to be riskier than VDTY.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBGL.L | VDTY.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.80% | 2.20% | +0.60% |
Volatility (6M)Calculated over the trailing 6-month period | 7.55% | 5.27% | +2.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.44% | 6.65% | +2.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.81% | 8.98% | +4.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 12.87% | 9.37% | +3.50% |
IBGL.L vs. VDTY.L - Expense Ratio Comparison
IBGL.L has a 0.20% expense ratio, which is higher than VDTY.L's 0.05% 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
IBGL.L vs. VDTY.L - Dividend Comparison
IBGL.L's dividend yield for the trailing twelve months is around 3.83%, less than VDTY.L's 4.27% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBGL.L iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist) | 3.83% | 3.48% | 3.23% | 2.65% | 1.28% | 0.55% | 0.73% | 1.28% | 1.48% | 1.32% | 1.41% | 1.78% |
VDTY.L Vanguard USD Treasury Bond UCITS ETF | 4.27% | 4.29% | 4.07% | 3.40% | 2.09% | 1.21% | 1.54% | 2.34% | 2.33% | 1.57% | 0.99% | 0.00% |
Frequently Asked Questions
IBGL.L and VDTY.L have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, VDTY.L is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
VDTY.L is cheaper with a 0.05% expense ratio, compared with 0.20% for IBGL.L.
IBGL.L tracks iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist), while VDTY.L tracks Bloomberg Global Aggregate US Treasury Float Adjusted Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.20% for IBGL.L and 0.05% for VDTY.L.
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