IDTL.L vs. IBTL.L
IDTL.L (iShares Treasury Bond 20+ UCITS) and IBTL.L (iShares USD Treasury Bond 20+yr UCITS ETF (Dist)) are both Government Bonds funds from iShares tracking the ICE U.S. Treasury 20+ Year Bond Index. Both are passively managed. Over the past 10 years, IDTL.L returned -1.51%/yr vs -1.49%/yr for IBTL.L. Their correlation of 0.85 suggests significant overlap in exposure. Both charge a 0.07% expense ratio.
Performance
IDTL.L vs. IBTL.L - Performance Comparison
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Different Trading Currencies
IDTL.L is traded in USD, while IBTL.L is traded in GBp. To make them comparable, the IBTL.L values have been converted to USD using the latest available exchange rates.
Returns By Period
In the year-to-date period, IDTL.L achieves a -1.14% return, which is significantly lower than IBTL.L's -0.81% return. Both investments have delivered pretty close results over the past 10 years, with IDTL.L having a -1.51% annualized return and IBTL.L not far ahead at -1.49%.
IDTL.L
- 1D
- 0.36%
- 1M
- 0.66%
- YTD
- -1.14%
- 6M
- -1.07%
- 1Y
- 3.86%
- 3Y*
- -1.56%
- 5Y*
- -6.07%
- 10Y*
- -1.51%
IBTL.L
- 1D
- 0.50%
- 1M
- 0.82%
- YTD
- -0.81%
- 6M
- -0.96%
- 1Y
- 4.17%
- 3Y*
- -1.61%
- 5Y*
- -6.05%
- 10Y*
- -1.49%
IDTL.L vs. IBTL.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IDTL.L iShares Treasury Bond 20+ UCITS | -1.14% | 4.67% | -7.18% | 2.22% | -30.42% | -4.71% | 17.11% | 15.67% | -1.84% | 8.97% |
IBTL.L iShares USD Treasury Bond 20+yr UCITS ETF (Dist) | -0.81% | 4.53% | -7.08% | 1.46% | -30.49% | -4.19% | 16.53% | 16.55% | -1.99% | 8.60% |
Correlation
The correlation between IDTL.L and IBTL.L is 0.89, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.89 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.93 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.93 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.90 |
Correlation (All Time) Calculated using the full available price history since Feb 2, 2015 | 0.85 |
The correlation between IDTL.L and IBTL.L has been stable across timeframes, ranging from 0.85 to 0.93 - a consistent structural relationship.
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Return for Risk
IDTL.L vs. IBTL.L — Risk / Return Rank
IDTL.L
IBTL.L
IDTL.L vs. IBTL.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Treasury Bond 20+ UCITS (IDTL.L) and iShares USD Treasury Bond 20+yr UCITS ETF (Dist) (IBTL.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.
| IDTL.L | IBTL.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.02 | ||
| Sortino ratioReturn per unit of downside risk | -0.05 | ||
| Omega ratioGain probability vs. loss probability | 1.07 | 1.07 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 0.50 | 0.54 | -0.04 |
| Martin ratioReturn relative to average drawdown | 1.27 | 1.37 | -0.10 |
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
| IDTL.L | IBTL.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.39 | 0.41 | -0.02 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.40 | -0.39 | -0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.10 | -0.10 | 0.00 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.08 | -0.10 | +0.02 |
Drawdowns
IDTL.L vs. IBTL.L - Drawdown Comparison
The maximum IDTL.L drawdown since its inception was -48.31%, roughly equal to the maximum IBTL.L drawdown of -48.48%. Use the drawdown chart below to compare losses from any high point for IDTL.L and IBTL.L.
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Drawdown Indicators
| IDTL.L | IBTL.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -48.31% | -48.48% | +0.17% |
Max Drawdown (1Y)Largest decline over 1 year | -7.62% | -7.69% | +0.07% |
Max Drawdown (3Y)Largest decline over 3 years | -18.49% | -18.45% | -0.04% |
Max Drawdown (5Y)Largest decline over 5 years | -42.95% | -42.83% | -0.12% |
Max Drawdown (10Y)Largest decline over 10 years | -48.31% | -48.48% | +0.17% |
Current DrawdownCurrent decline from peak | -40.36% | -40.66% | +0.30% |
Average DrawdownAverage peak-to-trough decline | -20.41% | -21.58% | +1.17% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.03% | 3.03% | 0.00% |
Volatility
IDTL.L vs. IBTL.L - Volatility Comparison
iShares Treasury Bond 20+ UCITS (IDTL.L) has a higher volatility of 3.32% compared to iShares USD Treasury Bond 20+yr UCITS ETF (Dist) (IBTL.L) at 3.08%. This indicates that IDTL.L's price experiences larger fluctuations and is considered to be riskier than IBTL.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IDTL.L | IBTL.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.32% | 3.08% | +0.24% |
Volatility (6M)Calculated over the trailing 6-month period | 6.59% | 6.60% | -0.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.89% | 10.06% | -0.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.99% | 15.33% | -0.34% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.61% | 14.94% | -0.33% |
IDTL.L vs. IBTL.L - Expense Ratio Comparison
Both IDTL.L and IBTL.L have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IDTL.L vs. IBTL.L - Dividend Comparison
IDTL.L's dividend yield for the trailing twelve months is around 4.36%, which matches IBTL.L's 4.34% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBTL.L iShares USD Treasury Bond 20+yr UCITS ETF (Dist) | 4.34% | 4.32% | 4.59% | 3.78% | 2.96% | 1.72% | 1.86% | 2.54% | 2.75% | 2.66% | 2.44% | 2.07% |
IDTL.L iShares Treasury Bond 20+ UCITS | 4.36% | 4.31% | 4.65% | 3.79% | 3.01% | 1.74% | 1.76% | 2.49% | 2.79% | 2.60% | 2.63% | 2.14% |
Frequently Asked Questions
IDTL.L and IBTL.L have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
Both ETFs have the same 0.07% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
IDTL.L and IBTL.L have the same expense ratio: 0.07% per year.
Both ETFs track ICE U.S. Treasury 20+ Year Bond Index.
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