IDTL.L vs. IS04.DE

Last updated Apr 2, 2026

Compare and contrast key facts about iShares Treasury Bond 20+ UCITS (IDTL.L) and iShares USD Treasury Bond 20+yr UCITS ETF (Dist) (IS04.DE).

IDTL.L and IS04.DE are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IDTL.L is a passively managed fund by iShares that tracks the performance of the Bloomberg US Government TR USD. It was launched on Jan 20, 2015. IS04.DE is a passively managed fund by iShares that tracks the performance of the ICE U.S. Treasury 20+ Year Bond Index. It was launched on Jan 20, 2015. Both IDTL.L and IS04.DE are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

IDTL.L vs. IS04.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Treasury Bond 20+ UCITS (IDTL.L) and iShares USD Treasury Bond 20+yr UCITS ETF (Dist) (IS04.DE). The values are adjusted to include any dividend payments, if applicable.

IDTL.L vs. IS04.DE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IDTL.L iShares Treasury Bond 20+ UCITS	-0.74%	4.67%	-7.18%	2.22%	-30.42%	-4.71%	17.11%	15.67%	-1.84%	8.97%
IS04.DE iShares USD Treasury Bond 20+yr UCITS ETF (Dist)	0.00%	5.05%	-8.09%	1.91%	-30.08%	-4.68%	16.90%	15.68%	-2.13%	9.20%

Different Trading Currencies

IDTL.L is traded in USD, while IS04.DE is traded in EUR. To make them comparable, the IS04.DE values have been converted to USD using the latest available exchange rates.

Returns By Period

Both investments have delivered pretty close results over the past 10 years, with IDTL.L having a -1.29% annualized return and IS04.DE not far behind at -1.30%.

IDTL.L

• 1D: 0.29%
• 1M: -2.85%
• YTD: -0.74%
• 6M: -0.52%
• 1Y: -0.93%
• 3Y*: -2.32%
• 5Y*: -5.63%
• 10Y*: -1.29%

IS04.DE

• 1D: -0.02%
• 1M: -3.11%
• YTD: 0.00%
• 6M: -0.70%
• 1Y: -1.17%
• 3Y*: -2.25%
• 5Y*: -5.67%
• 10Y*: -1.30%

*Multi-year figures are annualized to reflect compound growth (CAGR)

IDTL.L vs. IS04.DE - Expense Ratio Comparison

Both IDTL.L and IS04.DE 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%.

IDTL.L

iShares Treasury Bond 20+ UCITS

IS04.DE

iShares USD Treasury Bond 20+yr UCITS ETF (Dist)

Return for Risk

IDTL.L vs. IS04.DE — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

IDTL.L

IDTL.L Risk / Return Rank: 10
IDTL.L Sharpe Ratio Rank: 10
IDTL.L Sortino Ratio Rank: 9
IDTL.L Omega Ratio Rank: 9
IDTL.L Calmar Ratio Rank: 11
IDTL.L Martin Ratio Rank: 11

IS04.DE

IS04.DE Risk / Return Rank: 4
IS04.DE Sharpe Ratio Rank: 3
IS04.DE Sortino Ratio Rank: 3
IS04.DE Omega Ratio Rank: 3
IS04.DE Calmar Ratio Rank: 4
IS04.DE Martin Ratio Rank: 6

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

IDTL.L vs. IS04.DE - 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) (IS04.DE). 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	IS04.DE	Difference
Sharpe ratio Return per unit of total volatility	-0.08	-0.09	+0.01
Sortino ratio Return per unit of downside risk	-0.03	-0.03	0.00
Omega ratio Gain probability vs. loss probability	1.00	1.00	0.00
Calmar ratio Return relative to maximum drawdown	-0.05	-0.08	+0.03
Martin ratio Return relative to average drawdown	-0.10	-0.16	+0.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IDTL.L vs. IS04.DE - Sharpe Ratio Comparison

The current IDTL.L Sharpe Ratio is -0.08, which is comparable to the IS04.DE Sharpe Ratio of -0.09. The chart below compares the historical Sharpe Ratios of IDTL.L and IS04.DE, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	IDTL.L	IS04.DE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.08	-0.09	+0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.38	-0.37	-0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.09	-0.09	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	-0.08	-0.08	0.00

Correlation

The correlation between IDTL.L and IS04.DE is 0.90, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

IDTL.L vs. IS04.DE - Dividend Comparison

IDTL.L's dividend yield for the trailing twelve months is around 4.35%, which matches IS04.DE's 4.32% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IDTL.L iShares Treasury Bond 20+ UCITS	4.35%	4.31%	4.65%	3.79%	3.01%	1.74%	1.76%	2.49%	2.79%	2.60%	2.63%	2.14%
IS04.DE iShares USD Treasury Bond 20+yr UCITS ETF (Dist)	4.32%	4.38%	4.62%	3.82%	3.04%	1.71%	1.86%	2.49%	2.79%	2.72%	2.56%	2.14%

Drawdowns

IDTL.L vs. IS04.DE - Drawdown Comparison

The maximum IDTL.L drawdown since its inception was -48.31%, roughly equal to the maximum IS04.DE drawdown of -48.46%. Use the drawdown chart below to compare losses from any high point for IDTL.L and IS04.DE.

Drawdown Indicators

	IDTL.L	IS04.DE	Difference
Max Drawdown Largest peak-to-trough decline	-48.31%	-47.19%	-1.12%
Max Drawdown (1Y) Largest decline over 1 year	-9.78%	-14.61%	+4.83%
Max Drawdown (5Y) Largest decline over 5 years	-42.95%	-40.05%	-2.90%
Max Drawdown (10Y) Largest decline over 10 years	-48.31%	-47.19%	-1.12%
Current Drawdown Current decline from peak	-40.12%	-43.40%	+3.28%
Average Drawdown Average peak-to-trough decline	-20.11%	-21.55%	+1.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.96%	9.53%	-4.57%

Volatility

IDTL.L vs. IS04.DE - Volatility Comparison

The current volatility for iShares Treasury Bond 20+ UCITS (IDTL.L) is 3.28%, while iShares USD Treasury Bond 20+yr UCITS ETF (Dist) (IS04.DE) has a volatility of 3.98%. This indicates that IDTL.L experiences smaller price fluctuations and is considered to be less risky than IS04.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IDTL.L	IS04.DE	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.28%	3.98%	-0.70%
Volatility (6M) Calculated over the trailing 6-month period	6.57%	6.73%	-0.16%
Volatility (1Y) Calculated over the trailing 1-year period	11.82%	13.14%	-1.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.99%	15.27%	-0.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.62%	14.46%	+0.16%