IBTU.L vs. VDTY.L
IBTU.L (iShares USD Treasury Bond 0-1yr UCITS ETF USD (Dist)) and VDTY.L (Vanguard USD Treasury Bond UCITS ETF) are both Government Bonds funds - IBTU.L tracks the ICE U.S. Treasury Short Bond Index while VDTY.L tracks the Bloomberg Global Aggregate US Treasury Float Adjusted Index. Both are passively managed. Over the past 5 years, IBTU.L returned 3.38%/yr vs -0.36%/yr for VDTY.L. At a 0.17 correlation, their price movements are largely independent. IBTU.L charges 0.07%/yr vs 0.05%/yr for VDTY.L.
Performance
IBTU.L vs. VDTY.L - Performance Comparison
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Returns By Period
In the year-to-date period, IBTU.L achieves a 1.39% return, which is significantly higher than VDTY.L's -0.23% return.
IBTU.L
- 1D
- 0.01%
- 1M
- 0.28%
- YTD
- 1.39%
- 6M
- 1.77%
- 1Y
- 3.95%
- 3Y*
- 4.74%
- 5Y*
- 3.38%
- 10Y*
- —
VDTY.L
- 1D
- 0.24%
- 1M
- -0.23%
- YTD
- -0.23%
- 6M
- 0.28%
- 1Y
- 3.52%
- 3Y*
- 2.95%
- 5Y*
- -0.36%
- 10Y*
- 0.95%
IBTU.L vs. VDTY.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
IBTU.L iShares USD Treasury Bond 0-1yr UCITS ETF USD (Dist) | 1.39% | 4.36% | 5.23% | 4.96% | 1.09% | -0.01% | 0.96% | 1.94% |
VDTY.L Vanguard USD Treasury Bond UCITS ETF | -0.23% | 6.26% | 1.10% | 3.77% | -12.32% | -2.40% | 7.68% | 6.41% |
Correlation
The correlation between IBTU.L and VDTY.L is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.17 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.10 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.16 |
Correlation (All Time) Calculated using the full available price history since Feb 25, 2019 | 0.17 |
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Return for Risk
IBTU.L vs. VDTY.L — Risk / Return Rank
IBTU.L
VDTY.L
IBTU.L vs. VDTY.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares USD Treasury Bond 0-1yr UCITS ETF USD (Dist) (IBTU.L) and Vanguard USD Treasury Bond UCITS ETF (VDTY.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.
| IBTU.L | VDTY.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +7.15 | ||
| Sortino ratioReturn per unit of downside risk | +15.77 | ||
| Omega ratioGain probability vs. loss probability | 3.95 | 1.17 | +2.78 |
| Calmar ratioReturn relative to maximum drawdown | 24.79 | 1.16 | +23.62 |
| Martin ratioReturn relative to average drawdown | 183.92 | 3.67 | +180.25 |
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
| IBTU.L | VDTY.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 8.12 | 0.97 | +7.15 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 6.79 | -0.07 | +6.86 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.20 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 5.05 | 0.20 | +4.86 |
Drawdowns
IBTU.L vs. VDTY.L - Drawdown Comparison
The maximum IBTU.L drawdown since its inception was -0.62%, smaller than the maximum VDTY.L drawdown of -18.99%. Use the drawdown chart below to compare losses from any high point for IBTU.L and VDTY.L.
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Drawdown Indicators
| IBTU.L | VDTY.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.62% | -18.99% | +18.37% |
Max Drawdown (1Y)Largest decline over 1 year | -0.16% | -2.97% | +2.81% |
Max Drawdown (3Y)Largest decline over 3 years | -0.16% | -5.35% | +5.19% |
Max Drawdown (5Y)Largest decline over 5 years | -0.29% | -16.60% | +16.31% |
Max Drawdown (10Y)Largest decline over 10 years | — | -18.99% | — |
Current DrawdownCurrent decline from peak | 0.00% | -6.76% | +6.76% |
Average DrawdownAverage peak-to-trough decline | -0.03% | -6.62% | +6.59% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.02% | 0.94% | -0.92% |
Volatility
IBTU.L vs. VDTY.L - Volatility Comparison
The current volatility for iShares USD Treasury Bond 0-1yr UCITS ETF USD (Dist) (IBTU.L) is 0.08%, while Vanguard USD Treasury Bond UCITS ETF (VDTY.L) has a volatility of 1.42%. This indicates that IBTU.L experiences smaller price fluctuations and is considered to be less risky than VDTY.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBTU.L | VDTY.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.08% | 1.42% | -1.34% |
Volatility (6M)Calculated over the trailing 6-month period | 0.31% | 2.50% | -2.19% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.49% | 3.58% | -3.09% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.50% | 5.54% | -5.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 0.54% | 4.86% | -4.32% |
IBTU.L vs. VDTY.L - Expense Ratio Comparison
IBTU.L has a 0.07% expense ratio, which is higher than VDTY.L's 0.05% 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
IBTU.L vs. VDTY.L - Dividend Comparison
IBTU.L's dividend yield for the trailing twelve months is around 4.07%, less than VDTY.L's 4.25% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
IBTU.L iShares USD Treasury Bond 0-1yr UCITS ETF USD (Dist) | 4.07% | 4.43% | 6.82% | 3.99% | 0.44% | 0.10% | 1.28% | 1.21% | 0.00% | 0.00% | 0.00% |
VDTY.L Vanguard USD Treasury Bond UCITS ETF | 4.25% | 4.29% | 4.31% | 3.40% | 2.09% | 1.21% | 1.54% | 2.34% | 2.33% | 1.57% | 0.99% |
Frequently Asked Questions
IBTU.L and VDTY.L have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, VDTY.L is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
VDTY.L is cheaper with a 0.05% expense ratio, compared with 0.07% for IBTU.L.
IBTU.L tracks ICE U.S. Treasury Short Bond Index, while VDTY.L tracks Bloomberg Global Aggregate US Treasury Float Adjusted Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.07% for IBTU.L and 0.05% for VDTY.L.
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