VDTA.L vs. USTY.L
VDTA.L (Vanguard USD Treasury Bond UCITS ETF Accumulating) and USTY.L (SPDR Bloomberg US Treasury Bond UCITS ETF) are both Government Bonds funds - VDTA.L tracks the Bloomberg Global Aggregate US Treasury Float Adjusted index while USTY.L tracks the Bloomberg US Treasury Index. Both are passively managed. Over the past 5 years, VDTA.L returned -0.41%/yr vs 0.31%/yr for USTY.L. A 0.69 correlation means they provide meaningful diversification when combined. Both charge a 0.05% expense ratio.
Performance
VDTA.L vs. USTY.L - Performance Comparison
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Different Trading Currencies
VDTA.L is traded in USD, while USTY.L is traded in GBP. To make them comparable, the USTY.L values have been converted to USD using the latest available exchange rates.
Returns By Period
In the year-to-date period, VDTA.L achieves a -0.23% return, which is significantly lower than USTY.L's 0.41% return.
VDTA.L
- 1D
- 0.21%
- 1M
- 0.17%
- YTD
- -0.23%
- 6M
- 0.10%
- 1Y
- 3.61%
- 3Y*
- 2.87%
- 5Y*
- -0.41%
- 10Y*
- —
USTY.L
- 1D
- 0.26%
- 1M
- 0.28%
- YTD
- 0.41%
- 6M
- 0.90%
- 1Y
- 5.00%
- 3Y*
- 3.82%
- 5Y*
- 0.31%
- 10Y*
- 1.54%
VDTA.L vs. USTY.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
VDTA.L Vanguard USD Treasury Bond UCITS ETF Accumulating | -0.23% | 6.25% | 0.93% | 3.71% | -12.37% | -2.33% | 7.64% | 6.63% |
USTY.L SPDR Bloomberg US Treasury Bond UCITS ETF | 0.41% | 7.65% | 1.64% | 3.84% | -12.17% | -1.76% | 7.78% | 7.47% |
Correlation
The correlation between VDTA.L and USTY.L is 0.53, 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 | 0.53 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.69 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.70 |
Correlation (All Time) Calculated using the full available price history since Feb 22, 2019 | 0.69 |
The correlation between VDTA.L and USTY.L shifts across timeframes, from 0.53 (1 year) to 0.70 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
VDTA.L vs. USTY.L — Risk / Return Rank
VDTA.L
USTY.L
VDTA.L vs. USTY.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard USD Treasury Bond UCITS ETF Accumulating (VDTA.L) and SPDR Bloomberg US Treasury Bond UCITS ETF (USTY.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.
| VDTA.L | USTY.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.09 | ||
| Sortino ratioReturn per unit of downside risk | +0.08 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.16 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 1.23 | 1.46 | -0.22 |
| Martin ratioReturn relative to average drawdown | 3.80 | 4.56 | -0.76 |
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
| VDTA.L | USTY.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.02 | 0.94 | +0.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.07 | 0.04 | -0.12 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.22 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | 0.26 | -0.04 |
Drawdowns
VDTA.L vs. USTY.L - Drawdown Comparison
The maximum VDTA.L drawdown since its inception was -18.82%, roughly equal to the maximum USTY.L drawdown of -18.61%. Use the drawdown chart below to compare losses from any high point for VDTA.L and USTY.L.
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Drawdown Indicators
| VDTA.L | USTY.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.82% | -18.61% | -0.21% |
Max Drawdown (1Y)Largest decline over 1 year | -2.90% | -3.42% | +0.52% |
Max Drawdown (3Y)Largest decline over 3 years | -5.15% | -5.11% | -0.04% |
Max Drawdown (5Y)Largest decline over 5 years | -16.41% | -16.44% | +0.03% |
Max Drawdown (10Y)Largest decline over 10 years | — | -18.61% | — |
Current DrawdownCurrent decline from peak | -6.97% | -3.73% | -3.24% |
Average DrawdownAverage peak-to-trough decline | -8.11% | -5.80% | -2.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.94% | 1.09% | -0.15% |
Volatility
VDTA.L vs. USTY.L - Volatility Comparison
The current volatility for Vanguard USD Treasury Bond UCITS ETF Accumulating (VDTA.L) is 1.37%, while SPDR Bloomberg US Treasury Bond UCITS ETF (USTY.L) has a volatility of 1.73%. This indicates that VDTA.L experiences smaller price fluctuations and is considered to be less risky than USTY.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VDTA.L | USTY.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.37% | 1.73% | -0.36% |
Volatility (6M)Calculated over the trailing 6-month period | 2.55% | 3.97% | -1.42% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.51% | 5.33% | -1.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.57% | 7.13% | -1.56% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.35% | 6.86% | -1.51% |
VDTA.L vs. USTY.L - Expense Ratio Comparison
Both VDTA.L and USTY.L have an expense ratio of 0.05%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
VDTA.L vs. USTY.L - Dividend Comparison
VDTA.L has not paid dividends to shareholders, while USTY.L's dividend yield for the trailing twelve months is around 4.87%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
USTY.L SPDR Bloomberg US Treasury Bond UCITS ETF | 4.87% | 4.61% | 3.81% | 2.81% | 1.57% | 1.31% | 2.49% | 2.79% | 2.11% | 2.11% | 1.66% |
VDTA.L Vanguard USD Treasury Bond UCITS ETF Accumulating | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
VDTA.L and USTY.L have a correlation of 0.53, 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 0.05% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
VDTA.L and USTY.L have the same expense ratio: 0.05% per year.
VDTA.L tracks Bloomberg Global Aggregate US Treasury Float Adjusted index, while USTY.L tracks Bloomberg US Treasury Index. They also come from different issuers: Vanguard and State Street.
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