USTY.L vs. PRIT.L
USTY.L (SPDR Bloomberg US Treasury Bond UCITS ETF) and PRIT.L (Amundi Prime US Treasury UCITS ETF DR (D)) are both Government Bonds funds - USTY.L tracks the Bloomberg US Treasury Index while PRIT.L tracks the Solactive US Treasury Bond Index. Both are passively managed. Over the past 5 years, USTY.L returned 1.37%/yr vs 0.72%/yr for PRIT.L. With a 0.98 correlation, they move nearly in lockstep. Both charge a 0.05% expense ratio.
Performance
USTY.L vs. PRIT.L - Performance Comparison
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Different Trading Currencies
USTY.L is traded in GBP, while PRIT.L is traded in GBp. To make them comparable, the PRIT.L values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, USTY.L achieves a 0.66% return, which is significantly higher than PRIT.L's -0.04% return.
USTY.L
- 1D
- 0.21%
- 1M
- 1.14%
- YTD
- 0.66%
- 6M
- 0.16%
- 1Y
- 6.01%
- 3Y*
- 1.22%
- 5Y*
- 1.37%
- 10Y*
- 2.28%
PRIT.L
- 1D
- 0.20%
- 1M
- 1.12%
- YTD
- -0.04%
- 6M
- -0.58%
- 1Y
- 4.50%
- 3Y*
- 0.24%
- 5Y*
- 0.72%
- 10Y*
- —
USTY.L vs. PRIT.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
USTY.L SPDR Bloomberg US Treasury Bond UCITS ETF | 0.66% | 0.10% | 3.36% | -1.37% | -1.66% | -0.86% | 4.57% | 7.11% |
PRIT.L Amundi Prime US Treasury UCITS ETF DR (D) | -0.04% | -1.06% | 2.57% | -1.73% | -1.79% | -0.98% | 4.03% | 5.36% |
Correlation
The correlation between USTY.L and PRIT.L is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.96 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.98 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.99 |
Correlation (All Time) Calculated using the full available price history since Mar 15, 2019 | 0.98 |
The correlation between USTY.L and PRIT.L has been stable across timeframes, ranging from 0.96 to 0.99 - a consistent structural relationship.
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Return for Risk
USTY.L vs. PRIT.L — Risk / Return Rank
USTY.L
PRIT.L
USTY.L vs. PRIT.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Bloomberg US Treasury Bond UCITS ETF (USTY.L) and Amundi Prime US Treasury UCITS ETF DR (D) (PRIT.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.
| USTY.L | PRIT.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.20 | ||
| Sortino ratioReturn per unit of downside risk | +0.26 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.13 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.15 | 0.86 | +0.29 |
| Martin ratioReturn relative to average drawdown | 3.15 | 2.05 | +1.10 |
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
| USTY.L | PRIT.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.94 | 0.74 | +0.20 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.16 | 0.08 | +0.08 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.23 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.31 | 0.09 | +0.22 |
Drawdowns
USTY.L vs. PRIT.L - Drawdown Comparison
The maximum USTY.L drawdown since its inception was -23.02%, which is greater than PRIT.L's maximum drawdown of -20.06%. Use the drawdown chart below to compare losses from any high point for USTY.L and PRIT.L.
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Drawdown Indicators
| USTY.L | PRIT.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -23.02% | -20.06% | -2.96% |
Max Drawdown (1Y)Largest decline over 1 year | -5.20% | -5.19% | -0.01% |
Max Drawdown (3Y)Largest decline over 3 years | -7.75% | -8.33% | +0.58% |
Max Drawdown (5Y)Largest decline over 5 years | -16.04% | -16.09% | +0.05% |
Max Drawdown (10Y)Largest decline over 10 years | -23.02% | — | — |
Current DrawdownCurrent decline from peak | -15.58% | -14.86% | -0.72% |
Average DrawdownAverage peak-to-trough decline | -12.04% | -12.54% | +0.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.90% | 2.19% | -0.29% |
Volatility
USTY.L vs. PRIT.L - Volatility Comparison
SPDR Bloomberg US Treasury Bond UCITS ETF (USTY.L) has a higher volatility of 2.21% compared to Amundi Prime US Treasury UCITS ETF DR (D) (PRIT.L) at 1.51%. This indicates that USTY.L's price experiences larger fluctuations and is considered to be riskier than PRIT.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| USTY.L | PRIT.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.21% | 1.51% | +0.70% |
Volatility (6M)Calculated over the trailing 6-month period | 4.79% | 4.44% | +0.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 6.35% | 6.04% | +0.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 8.77% | 8.89% | -0.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 10.02% | 9.33% | +0.69% |
USTY.L vs. PRIT.L - Expense Ratio Comparison
Both USTY.L and PRIT.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
USTY.L vs. PRIT.L - Dividend Comparison
USTY.L's dividend yield for the trailing twelve months is around 4.87%, more than PRIT.L's 3.22% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
PRIT.L Amundi Prime US Treasury UCITS ETF DR (D) | 3.22% | 3.22% | 2.79% | 2.34% | 1.87% | 1.74% | 2.11% | 0.00% | 0.00% | 0.00% | 0.00% |
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% |
Frequently Asked Questions
With a correlation of 0.96, USTY.L and PRIT.L move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
Both ETFs have the same 0.05% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
USTY.L and PRIT.L have the same expense ratio: 0.05% per year.
USTY.L tracks Bloomberg US Treasury Index, while PRIT.L tracks Solactive US Treasury Bond Index. They also come from different issuers: State Street and Amundi.
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