FLOS.L vs. PR1T.L
FLOS.L (iShares $ Floating Rate Bond UCITS ETF GBP Hedged (Dist)) and PR1T.L (Amundi Prime US Treasury Bond 0-1 Y UCITS ETF DR USD (C)) are both exchange-traded funds - FLOS.L is a Ultrashort Bond fund tracking the iShares $ Floating Rate Bond UCITS ETF GBP Hedged (Dist), while PR1T.L is a Government Bonds fund tracking the Solactive US Treasury 0-1 Year Bond Index. Both are passively managed. Over the past 5 years, FLOS.L returned 4.01%/yr vs 3.68%/yr for PR1T.L. At a correlation of -0.03, they often move in opposite directions. FLOS.L charges 0.12%/yr vs 0.05%/yr for PR1T.L.
Performance
FLOS.L vs. PR1T.L - Performance Comparison
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Different Trading Currencies
FLOS.L is traded in GBp, while PR1T.L is traded in USD. To make them comparable, the PR1T.L values have been converted to GBp using the latest available exchange rates.
Returns By Period
In the year-to-date period, FLOS.L achieves a 2.36% return, which is significantly higher than PR1T.L's 1.44% return.
FLOS.L
- 1D
- 0.04%
- 1M
- 0.31%
- 6M
- 2.21%
- YTD
- 2.36%
- 1Y
- 4.64%
- 3Y*
- 5.41%
- 5Y*
- 4.01%
- 10Y*
- —
PR1T.L
- 1D
- -1.00%
- 1M
- -0.58%
- 6M
- 1.11%
- YTD
- 1.44%
- 1Y
- 2.77%
- 3Y*
- 3.46%
- 5Y*
- 3.68%
- 10Y*
- —
FLOS.L vs. PR1T.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
FLOS.L iShares $ Floating Rate Bond UCITS ETF GBP Hedged (Dist) | 2.36% | 4.78% | 6.24% | 6.00% | 0.83% | 0.10% | 0.24% |
PR1T.L Amundi Prime US Treasury Bond 0-1 Y UCITS ETF DR USD (C) | 1.44% | -3.20% | 7.05% | -0.42% | 12.57% | 1.04% | -6.84% |
Correlation
The correlation between FLOS.L and PR1T.L is -0.07, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.07 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.00 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.02 |
Correlation (All Time) Calculated using the full available price history since Sep 22, 2020 | -0.03 |
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Return for Risk
FLOS.L vs. PR1T.L — Risk / Return Rank
FLOS.L
PR1T.L
FLOS.L vs. PR1T.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares $ Floating Rate Bond UCITS ETF GBP Hedged (Dist) (FLOS.L) and Amundi Prime US Treasury Bond 0-1 Y UCITS ETF DR USD (C) (PR1T.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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| FLOS.L | PR1T.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.82 | ||
| Sortino ratioReturn per unit of downside risk | +6.93 | ||
| Omega ratioGain probability vs. loss probability | 2.00 | 1.08 | +0.93 |
| Calmar ratioReturn relative to maximum drawdown | 15.76 | 0.54 | +15.23 |
| Martin ratioReturn relative to average drawdown | 79.94 | 1.46 | +78.47 |
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Drawdowns
FLOS.L vs. PR1T.L - Drawdown Comparison
The maximum FLOS.L drawdown since its inception was -14.78%, smaller than the maximum PR1T.L drawdown of -16.11%. Use the drawdown chart below to compare losses from any high point for FLOS.L and PR1T.L.
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Drawdown Indicators
| FLOS.L | PR1T.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.78% | -16.11% | +1.33% |
Max Drawdown (1Y)Largest decline over 1 year | -0.29% | -5.16% | +4.87% |
Max Drawdown (3Y)Largest decline over 3 years | -1.46% | -9.85% | +8.39% |
Max Drawdown (5Y)Largest decline over 5 years | -2.13% | -16.11% | +13.98% |
Current DrawdownCurrent decline from peak | -0.09% | -6.76% | +6.67% |
Average DrawdownAverage peak-to-trough decline | -0.25% | -7.73% | +7.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.06% | 1.89% | -1.83% |
Volatility
FLOS.L vs. PR1T.L - Volatility Comparison
The current volatility for iShares $ Floating Rate Bond UCITS ETF GBP Hedged (Dist) (FLOS.L) is 0.22%, while Amundi Prime US Treasury Bond 0-1 Y UCITS ETF DR USD (C) (PR1T.L) has a volatility of 1.97%. This indicates that FLOS.L experiences smaller price fluctuations and is considered to be less risky than PR1T.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FLOS.L | PR1T.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.22% | 1.97% | -1.75% |
Volatility (6M)Calculated over the trailing 6-month period | 0.80% | 5.03% | -4.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.07% | 6.55% | -5.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.68% | 8.46% | -6.78% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.36% | 8.30% | -4.94% |
FLOS.L vs. PR1T.L - Expense Ratio Comparison
FLOS.L has a 0.12% expense ratio, which is higher than PR1T.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
FLOS.L vs. PR1T.L - Dividend Comparison
FLOS.L's dividend yield for the trailing twelve months is around 4.68%, while PR1T.L has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
FLOS.L iShares $ Floating Rate Bond UCITS ETF GBP Hedged (Dist) | 4.68% | 5.02% | 5.93% | 5.46% | 1.50% | 0.57% | 1.62% | 2.95% | 2.27% |
PR1T.L Amundi Prime US Treasury Bond 0-1 Y UCITS ETF DR USD (C) | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
FLOS.L and PR1T.L have a correlation of -0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, PR1T.L is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
PR1T.L is cheaper with a 0.05% expense ratio, compared with 0.12% for FLOS.L.
FLOS.L is categorized as Ultrashort Bond, while PR1T.L is Government Bonds. FLOS.L tracks iShares $ Floating Rate Bond UCITS ETF GBP Hedged (Dist), while PR1T.L tracks Solactive US Treasury 0-1 Year Bond Index. They also come from different issuers: iShares and Amundi. Their fees differ too: 0.12% for FLOS.L and 0.05% for PR1T.L.
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