IBGL.L vs. IDTG.L
IBGL.L (iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist)) and IDTG.L (iShares $ Treasury Bond 20+yr UCITS ETF GBP Hedged (Dist)) are both Long-Term Bond funds from iShares - IBGL.L tracks the Bloomberg Euro Government Bond 30 Year Term Index while IDTG.L tracks the ICE US Treasury 20+ Year (GBP Hedged) Index. Both are passively managed. Over the past 5 years, IBGL.L returned -8.28%/yr vs -8.05%/yr for IDTG.L. A 0.66 correlation means they provide meaningful diversification when combined. IBGL.L charges 0.15%/yr vs 0.10%/yr for IDTG.L.
Performance
IBGL.L vs. IDTG.L - Performance Comparison
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Returns By Period
In the year-to-date period, IBGL.L achieves a -3.67% return, which is significantly lower than IDTG.L's -1.47% 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%
IDTG.L
- 1D
- 0.70%
- 1M
- -1.80%
- 6M
- -1.47%
- YTD
- -1.47%
- 1Y
- 3.55%
- 3Y*
- -2.32%
- 5Y*
- -8.05%
- 10Y*
- —
IBGL.L vs. IDTG.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
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% | -2.63% |
IDTG.L iShares $ Treasury Bond 20+yr UCITS ETF GBP Hedged (Dist) | -1.47% | 3.96% | -7.60% | 0.47% | -31.51% | -4.43% | 15.43% | -2.57% |
Correlation
The correlation between IBGL.L and IDTG.L is 0.74, 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 | 0.74 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.68 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.70 |
Correlation (All Time) Calculated using the full available price history since Nov 20, 2019 | 0.66 |
The correlation between IBGL.L and IDTG.L has been stable across timeframes, ranging from 0.66 to 0.74 - a consistent structural relationship.
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Return for Risk
IBGL.L vs. IDTG.L — Risk / Return Rank
IBGL.L
IDTG.L
IBGL.L vs. IDTG.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+yr UCITS ETF GBP Hedged (Dist) (IDTG.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 | IDTG.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.74 | ||
| Sortino ratioReturn per unit of downside risk | -1.06 | ||
| Omega ratioGain probability vs. loss probability | 0.95 | 1.07 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | -0.41 | 0.46 | -0.87 |
| Martin ratioReturn relative to average drawdown | -0.89 | 1.08 | -1.97 |
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Drawdowns
IBGL.L vs. IDTG.L - Drawdown Comparison
The maximum IBGL.L drawdown since its inception was -46.77%, smaller than the maximum IDTG.L drawdown of -50.29%. Use the drawdown chart below to compare losses from any high point for IBGL.L and IDTG.L.
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Drawdown Indicators
| IBGL.L | IDTG.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.77% | -50.29% | +3.52% |
Max Drawdown (1Y)Largest decline over 1 year | -8.65% | -7.77% | -0.88% |
Max Drawdown (3Y)Largest decline over 3 years | -12.99% | -17.66% | +4.67% |
Max Drawdown (5Y)Largest decline over 5 years | -41.54% | -44.22% | +2.68% |
Max Drawdown (10Y)Largest decline over 10 years | -46.77% | — | — |
Current DrawdownCurrent decline from peak | -42.57% | -43.89% | +1.32% |
Average DrawdownAverage peak-to-trough decline | -14.73% | -30.99% | +16.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.02% | 3.29% | +0.73% |
Volatility
IBGL.L vs. IDTG.L - Volatility Comparison
iShares € Govt Bond 15-30yr UCITS ETF EUR (Dist) (IBGL.L) has a higher volatility of 2.86% compared to iShares $ Treasury Bond 20+yr UCITS ETF GBP Hedged (Dist) (IDTG.L) at 2.56%. This indicates that IBGL.L's price experiences larger fluctuations and is considered to be riskier than IDTG.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 | IDTG.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.86% | 2.56% | +0.30% |
Volatility (6M)Calculated over the trailing 6-month period | 7.57% | 6.86% | +0.71% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.45% | 9.94% | -0.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.80% | 15.03% | -1.23% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 12.87% | 15.43% | -2.56% |
IBGL.L vs. IDTG.L - Expense Ratio Comparison
IBGL.L has a 0.15% expense ratio, which is higher than IDTG.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
IBGL.L vs. IDTG.L - Dividend Comparison
IBGL.L's dividend yield for the trailing twelve months is around 3.81%, less than IDTG.L's 4.70% 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% |
IDTG.L iShares $ Treasury Bond 20+yr UCITS ETF GBP Hedged (Dist) | 4.70% | 4.20% | 4.64% | 3.69% | 3.04% | 1.73% | 1.79% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IBGL.L and IDTG.L have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, IDTG.L is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.
IDTG.L is cheaper with a 0.10% expense ratio, compared with 0.15% for IBGL.L.
IBGL.L tracks Bloomberg Euro Government Bond 30 Year Term Index, while IDTG.L tracks ICE US Treasury 20+ Year (GBP Hedged) Index. Their fees differ too: 0.15% for IBGL.L and 0.10% for IDTG.L.
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