ERNA.L vs. PRIP.L
ERNA.L (iShares USD Ultrashort Bond UCITS ETF USD (Acc)) and PRIP.L (Amundi Prime US Corporates UCITS ETF DR (D)) are both Corporate Bonds funds - ERNA.L tracks the Bloomberg US Corp 1-3 Yr TR USD while PRIP.L tracks the Bloomberg US Corp Bond TR USD. Both are passively managed. Over the past year, ERNA.L returned 4.36% vs 0.53% for PRIP.L. At a 0.06 correlation, their price movements are largely independent. ERNA.L charges 0.09%/yr vs 0.05%/yr for PRIP.L.
Performance
ERNA.L vs. PRIP.L - Performance Comparison
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Different Trading Currencies
ERNA.L is traded in USD, while PRIP.L is traded in GBp. To make them comparable, the PRIP.L values have been converted to USD using the latest available exchange rates.
Returns By Period
In the year-to-date period, ERNA.L achieves a 1.64% return, which is significantly higher than PRIP.L's -0.34% return.
ERNA.L
- 1D
- 0.11%
- 1M
- 0.35%
- YTD
- 1.64%
- 6M
- 1.95%
- 1Y
- 4.36%
- 3Y*
- 5.21%
- 5Y*
- 3.77%
- 10Y*
- —
PRIP.L
- 1D
- -0.49%
- 1M
- 0.33%
- YTD
- -0.34%
- 6M
- -4.40%
- 1Y
- 0.53%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
ERNA.L vs. PRIP.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
ERNA.L iShares USD Ultrashort Bond UCITS ETF USD (Acc) | 1.64% | 3.25% |
PRIP.L Amundi Prime US Corporates UCITS ETF DR (D) | -0.34% | 1.04% |
Correlation
The correlation between ERNA.L and PRIP.L is 0.08, 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 | 0.08 |
Correlation (All Time) Calculated using the full available price history since Apr 29, 2025 | 0.06 |
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Return for Risk
ERNA.L vs. PRIP.L — Risk / Return Rank
ERNA.L
PRIP.L
ERNA.L vs. PRIP.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares USD Ultrashort Bond UCITS ETF USD (Acc) (ERNA.L) and Amundi Prime US Corporates UCITS ETF DR (D) (PRIP.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.
| ERNA.L | PRIP.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +4.51 | ||
| Sortino ratioReturn per unit of downside risk | +8.08 | ||
| Omega ratioGain probability vs. loss probability | 2.31 | 1.03 | +1.28 |
| Calmar ratioReturn relative to maximum drawdown | 21.10 | 0.15 | +20.95 |
| Martin ratioReturn relative to average drawdown | 82.85 | 0.29 | +82.57 |
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
| ERNA.L | PRIP.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 4.65 | 0.14 | +4.51 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 4.03 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.43 | 0.08 | +1.34 |
Drawdowns
ERNA.L vs. PRIP.L - Drawdown Comparison
The maximum ERNA.L drawdown since its inception was -8.63%, which is greater than PRIP.L's maximum drawdown of -7.32%. Use the drawdown chart below to compare losses from any high point for ERNA.L and PRIP.L.
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Drawdown Indicators
| ERNA.L | PRIP.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -8.63% | -7.32% | -1.31% |
Max Drawdown (1Y)Largest decline over 1 year | -0.20% | -7.32% | +7.12% |
Max Drawdown (3Y)Largest decline over 3 years | -0.38% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -0.81% | — | — |
Current DrawdownCurrent decline from peak | 0.00% | -5.43% | +5.43% |
Average DrawdownAverage peak-to-trough decline | -0.10% | -2.71% | +2.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.05% | 3.78% | -3.73% |
Volatility
ERNA.L vs. PRIP.L - Volatility Comparison
The current volatility for iShares USD Ultrashort Bond UCITS ETF USD (Acc) (ERNA.L) is 0.30%, while Amundi Prime US Corporates UCITS ETF DR (D) (PRIP.L) has a volatility of 2.00%. This indicates that ERNA.L experiences smaller price fluctuations and is considered to be less risky than PRIP.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ERNA.L | PRIP.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.30% | 2.00% | -1.70% |
Volatility (6M)Calculated over the trailing 6-month period | 0.86% | 6.58% | -5.72% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.93% | 7.74% | -6.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.93% | 7.68% | -6.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.17% | 7.68% | -5.51% |
ERNA.L vs. PRIP.L - Expense Ratio Comparison
ERNA.L has a 0.09% expense ratio, which is higher than PRIP.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
ERNA.L vs. PRIP.L - Dividend Comparison
Neither ERNA.L nor PRIP.L has paid dividends to shareholders.
Frequently Asked Questions
ERNA.L and PRIP.L have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, PRIP.L is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
PRIP.L is cheaper with a 0.05% expense ratio, compared with 0.09% for ERNA.L.
ERNA.L tracks Bloomberg US Corp 1-3 Yr TR USD, while PRIP.L tracks Bloomberg US Corp Bond TR USD. They also come from different issuers: iShares and Amundi. Their fees differ too: 0.09% for ERNA.L and 0.05% for PRIP.L.
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