VDTY.L vs. IDTL.L
Compare and contrast key facts about Vanguard USD Treasury Bond UCITS ETF (VDTY.L) and iShares Treasury Bond 20+ UCITS (IDTL.L).
VDTY.L and IDTL.L are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. VDTY.L is a passively managed fund by Vanguard that tracks the performance of the Bloomberg US Treasury Float Adjusted Index. It was launched on Mar 4, 2025. 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. Both VDTY.L and IDTL.L 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
VDTY.L vs. IDTL.L - Performance Comparison
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VDTY.L vs. IDTL.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VDTY.L Vanguard USD Treasury Bond UCITS ETF | -0.30% | 6.26% | 1.10% | 3.77% | -12.32% | -2.40% | 7.68% | 7.08% | 0.80% | 2.32% |
IDTL.L iShares Treasury Bond 20+ UCITS | -1.03% | 4.67% | -7.18% | 2.22% | -30.42% | -4.71% | 17.11% | 15.67% | -1.84% | 8.97% |
Returns By Period
In the year-to-date period, VDTY.L achieves a -0.30% return, which is significantly higher than IDTL.L's -1.03% return. Over the past 10 years, VDTY.L has outperformed IDTL.L with an annualized return of 0.98%, while IDTL.L has yielded a comparatively lower -1.32% annualized return.
VDTY.L
- 1D
- 0.05%
- 1M
- -1.73%
- YTD
- -0.30%
- 6M
- 0.75%
- 1Y
- 3.20%
- 3Y*
- 2.69%
- 5Y*
- -0.21%
- 10Y*
- 0.98%
IDTL.L
- 1D
- -0.08%
- 1M
- -4.19%
- YTD
- -1.03%
- 6M
- -1.07%
- 1Y
- -0.08%
- 3Y*
- -2.41%
- 5Y*
- -5.68%
- 10Y*
- -1.32%
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VDTY.L vs. IDTL.L - Expense Ratio Comparison
VDTY.L has a 0.05% expense ratio, which is lower than IDTL.L's 0.07% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
VDTY.L vs. IDTL.L — Risk / Return Rank
VDTY.L
IDTL.L
VDTY.L vs. IDTL.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard USD Treasury Bond UCITS ETF (VDTY.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.
| VDTY.L | IDTL.L | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.76 | -0.01 | +0.76 |
Sortino ratioReturn per unit of downside risk | 1.10 | 0.07 | +1.03 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.01 | +0.13 |
Calmar ratioReturn relative to maximum drawdown | 0.89 | -0.13 | +1.02 |
Martin ratioReturn relative to average drawdown | 2.32 | -0.25 | +2.57 |
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
| VDTY.L | IDTL.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.76 | -0.01 | +0.76 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.04 | -0.38 | +0.34 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.20 | -0.09 | +0.29 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.20 | -0.08 | +0.27 |
Correlation
The correlation between VDTY.L and IDTL.L is 0.92, 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
VDTY.L vs. IDTL.L - Dividend Comparison
VDTY.L's dividend yield for the trailing twelve months is around 4.24%, less than IDTL.L's 4.36% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VDTY.L Vanguard USD Treasury Bond UCITS ETF | 4.24% | 4.29% | 4.31% | 3.40% | 2.09% | 1.21% | 1.54% | 2.34% | 2.33% | 1.57% | 0.99% | 0.00% |
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% |
Drawdowns
VDTY.L vs. IDTL.L - Drawdown Comparison
The maximum VDTY.L drawdown since its inception was -18.99%, smaller than the maximum IDTL.L drawdown of -48.31%. Use the drawdown chart below to compare losses from any high point for VDTY.L and IDTL.L.
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Drawdown Indicators
| VDTY.L | IDTL.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.99% | -48.31% | +29.32% |
Max Drawdown (1Y)Largest decline over 1 year | -3.23% | -9.78% | +6.55% |
Max Drawdown (5Y)Largest decline over 5 years | -16.60% | -42.95% | +26.35% |
Max Drawdown (10Y)Largest decline over 10 years | -18.99% | -48.31% | +29.32% |
Current DrawdownCurrent decline from peak | -6.83% | -40.30% | +33.47% |
Average DrawdownAverage peak-to-trough decline | -6.61% | -20.10% | +13.49% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.24% | 4.95% | -3.71% |
Volatility
VDTY.L vs. IDTL.L - Volatility Comparison
The current volatility for Vanguard USD Treasury Bond UCITS ETF (VDTY.L) is 1.25%, while iShares Treasury Bond 20+ UCITS (IDTL.L) has a volatility of 3.25%. This indicates that VDTY.L experiences smaller price fluctuations and is considered to be less risky than IDTL.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VDTY.L | IDTL.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.25% | 3.25% | -2.00% |
Volatility (6M)Calculated over the trailing 6-month period | 2.27% | 6.58% | -4.31% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.21% | 11.83% | -7.62% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.52% | 14.99% | -9.47% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.85% | 14.62% | -9.77% |