IBGL.L vs. IDTL.L
IBGL.L (iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist)) and IDTL.L (iShares Treasury Bond 20+ UCITS) are both exchange-traded funds - IBGL.L is a Long-Term Bond fund tracking the Bloomberg Euro Government Bond 30 Year Term Index, while IDTL.L is a Government Bonds fund tracking the ICE U.S. Treasury 20+ Year Bond Index. Both are passively managed. Over the past 10 years, IBGL.L returned -2.51%/yr vs -2.32%/yr for IDTL.L. A 0.65 correlation means they provide meaningful diversification when combined. IBGL.L charges 0.15%/yr vs 0.07%/yr for IDTL.L.
Performance
IBGL.L vs. IDTL.L - Performance Comparison
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Different Trading Currencies
IBGL.L is traded in GBP, while IDTL.L is traded in USD. To make them comparable, the IDTL.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 -3.67% return, which is significantly lower than IDTL.L's -1.59% return. Over the past 10 years, IBGL.L has underperformed IDTL.L with an annualized return of -2.51%, while IDTL.L has yielded a comparatively higher -2.32% annualized return.
IBGL.L
- 1D
- 0.54%
- 1M
- -4.50%
- 6M
- -4.09%
- YTD
- -3.67%
- 1Y
- -3.59%
- 3Y*
- -1.16%
- 5Y*
- -8.28%
- 10Y*
- -2.51%
IDTL.L
- 1D
- 1.14%
- 1M
- -2.94%
- 6M
- -2.00%
- YTD
- -1.59%
- 1Y
- 3.39%
- 3Y*
- -2.85%
- 5Y*
- -6.87%
- 10Y*
- -2.32%
IBGL.L vs. IDTL.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) | -3.67% | -0.80% | -5.06% | 7.50% | -30.45% | -13.04% | 18.01% | 9.96% | 3.80% | 2.19% |
IDTL.L iShares Treasury Bond 20+ UCITS | -1.59% | -2.70% | -5.60% | -2.92% | -22.19% | -3.74% | 13.68% | 11.30% | 3.90% | -0.37% |
Correlation
The correlation between IBGL.L and IDTL.L is 0.61, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.61 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.64 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.66 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.65 |
Correlation (All Time) Calculated using the full available price history since Jan 21, 2015 | 0.65 |
The correlation between IBGL.L and IDTL.L has been stable across timeframes, ranging from 0.61 to 0.66 - a consistent structural relationship.
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Return for Risk
IBGL.L vs. IDTL.L — Risk / Return Rank
IBGL.L
IDTL.L
IBGL.L vs. IDTL.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 iShares Treasury Bond 20+ UCITS (IDTL.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 | IDTL.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.70 | ||
| Sortino ratioReturn per unit of downside risk | -1.00 | ||
| Omega ratioGain probability vs. loss probability | 0.95 | 1.06 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | -0.41 | 0.40 | -0.81 |
| Martin ratioReturn relative to average drawdown | -0.89 | 0.80 | -1.70 |
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Drawdowns
IBGL.L vs. IDTL.L - Drawdown Comparison
The maximum IBGL.L drawdown since its inception was -46.77%, smaller than the maximum IDTL.L drawdown of -49.39%. Use the drawdown chart below to compare losses from any high point for IBGL.L and IDTL.L.
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Drawdown Indicators
| IBGL.L | IDTL.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.77% | -49.39% | +2.62% |
Max Drawdown (1Y)Largest decline over 1 year | -8.65% | -8.43% | -0.22% |
Max Drawdown (3Y)Largest decline over 3 years | -12.99% | -17.00% | +4.01% |
Max Drawdown (5Y)Largest decline over 5 years | -41.54% | -39.50% | -2.04% |
Max Drawdown (10Y)Largest decline over 10 years | -46.77% | -49.39% | +2.62% |
Current DrawdownCurrent decline from peak | -42.57% | -46.09% | +3.52% |
Average DrawdownAverage peak-to-trough decline | -14.73% | -23.22% | +8.49% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.02% | 4.21% | -0.19% |
Volatility
IBGL.L vs. IDTL.L - Volatility Comparison
iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist) (IBGL.L) and iShares Treasury Bond 20+ UCITS (IDTL.L) have volatilities of 2.86% and 3.00%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBGL.L | IDTL.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.86% | 3.00% | -0.14% |
Volatility (6M)Calculated over the trailing 6-month period | 7.57% | 7.81% | -0.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.45% | 10.67% | -1.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.80% | 15.85% | -2.05% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 12.87% | 16.24% | -3.37% |
IBGL.L vs. IDTL.L - Expense Ratio Comparison
IBGL.L has a 0.15% expense ratio, which is higher than IDTL.L'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
IBGL.L vs. IDTL.L - Dividend Comparison
IBGL.L's dividend yield for the trailing twelve months is around 3.81%, less than IDTL.L's 4.74% 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) | 3.81% | 3.48% | 3.23% | 2.65% | 1.28% | 0.55% | 0.73% | 1.28% | 1.48% | 1.32% | 1.41% | 1.78% |
IDTL.L iShares Treasury Bond 20+ UCITS | 4.74% | 4.31% | 4.66% | 3.79% | 3.01% | 1.74% | 1.76% | 2.49% | 2.79% | 2.59% | 2.63% | 2.14% |
Frequently Asked Questions
IBGL.L and IDTL.L have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, IDTL.L is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.
IDTL.L is cheaper with a 0.07% expense ratio, compared with 0.15% for IBGL.L.
IBGL.L is categorized as Long-Term Bond, while IDTL.L is Government Bonds. IBGL.L tracks Bloomberg Euro Government Bond 30 Year Term Index, while IDTL.L tracks ICE U.S. Treasury 20+ Year Bond Index. Their fees differ too: 0.15% for IBGL.L and 0.07% for IDTL.L.
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