AGGU.L vs. ERNA.L
AGGU.L (iShares Core Global Aggregate Bond UCITS ETF) and ERNA.L (iShares USD Ultrashort Bond UCITS ETF USD (Acc)) are both exchange-traded funds - AGGU.L is a Global Bonds fund tracking the Bloomberg Global Aggregate Bond Index, while ERNA.L is a Corporate Bonds fund tracking the Bloomberg US Corp 1-3 Yr TR USD. Both are passively managed. Over the past 5 years, AGGU.L returned 0.58%/yr vs 3.77%/yr for ERNA.L. At a 0.17 correlation, their price movements are largely independent. AGGU.L charges 0.10%/yr vs 0.09%/yr for ERNA.L.
Performance
AGGU.L vs. ERNA.L - Performance Comparison
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Returns By Period
In the year-to-date period, AGGU.L achieves a 0.36% return, which is significantly lower than ERNA.L's 1.64% return.
AGGU.L
- 1D
- 0.09%
- 1M
- -0.10%
- YTD
- 0.36%
- 6M
- 0.73%
- 1Y
- 3.40%
- 3Y*
- 4.17%
- 5Y*
- 0.58%
- 10Y*
- —
ERNA.L
- 1D
- 0.11%
- 1M
- 0.46%
- YTD
- 1.64%
- 6M
- 1.99%
- 1Y
- 4.39%
- 3Y*
- 5.21%
- 5Y*
- 3.77%
- 10Y*
- —
AGGU.L vs. ERNA.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
AGGU.L iShares Core Global Aggregate Bond UCITS ETF | 0.36% | 4.72% | 3.45% | 6.71% | -11.53% | -1.81% | 5.15% | 8.16% | 1.46% |
ERNA.L iShares USD Ultrashort Bond UCITS ETF USD (Acc) | 1.64% | 4.75% | 5.66% | 5.50% | 1.46% | 0.11% | 1.27% | 3.19% | 1.09% |
Correlation
The correlation between AGGU.L and ERNA.L is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.22 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.21 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.20 |
Correlation (All Time) Calculated using the full available price history since Jul 4, 2018 | 0.17 |
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Return for Risk
AGGU.L vs. ERNA.L — Risk / Return Rank
AGGU.L
ERNA.L
AGGU.L vs. ERNA.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core Global Aggregate Bond UCITS ETF (AGGU.L) and iShares USD Ultrashort Bond UCITS ETF USD (Acc) (ERNA.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.
| AGGU.L | ERNA.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.59 | ||
| Sortino ratioReturn per unit of downside risk | -6.76 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 2.31 | -1.12 |
| Calmar ratioReturn relative to maximum drawdown | 1.45 | 21.10 | -19.65 |
| Martin ratioReturn relative to average drawdown | 4.44 | 82.85 | -78.41 |
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
| AGGU.L | ERNA.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.06 | 4.65 | -3.59 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.12 | 4.03 | -3.91 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.40 | 1.43 | -1.03 |
Drawdowns
AGGU.L vs. ERNA.L - Drawdown Comparison
The maximum AGGU.L drawdown since its inception was -15.55%, which is greater than ERNA.L's maximum drawdown of -8.63%. Use the drawdown chart below to compare losses from any high point for AGGU.L and ERNA.L.
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Drawdown Indicators
| AGGU.L | ERNA.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.55% | -8.63% | -6.92% |
Max Drawdown (1Y)Largest decline over 1 year | -2.24% | -0.20% | -2.04% |
Max Drawdown (3Y)Largest decline over 3 years | -3.48% | -0.38% | -3.10% |
Max Drawdown (5Y)Largest decline over 5 years | -15.20% | -0.81% | -14.39% |
Current DrawdownCurrent decline from peak | -1.02% | 0.00% | -1.02% |
Average DrawdownAverage peak-to-trough decline | -3.90% | -0.10% | -3.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.73% | 0.05% | +0.68% |
Volatility
AGGU.L vs. ERNA.L - Volatility Comparison
iShares Core Global Aggregate Bond UCITS ETF (AGGU.L) has a higher volatility of 1.26% compared to iShares USD Ultrashort Bond UCITS ETF USD (Acc) (ERNA.L) at 0.30%. This indicates that AGGU.L's price experiences larger fluctuations and is considered to be riskier than ERNA.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AGGU.L | ERNA.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.26% | 0.30% | +0.96% |
Volatility (6M)Calculated over the trailing 6-month period | 2.56% | 0.86% | +1.70% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.08% | 0.93% | +2.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.77% | 0.93% | +3.84% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.43% | 2.17% | +2.26% |
AGGU.L vs. ERNA.L - Expense Ratio Comparison
AGGU.L has a 0.10% expense ratio, which is higher than ERNA.L's 0.09% 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
AGGU.L vs. ERNA.L - Dividend Comparison
Neither AGGU.L nor ERNA.L has paid dividends to shareholders.
Frequently Asked Questions
AGGU.L and ERNA.L have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, ERNA.L is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.
ERNA.L is cheaper with a 0.09% expense ratio, compared with 0.10% for AGGU.L.
AGGU.L is categorized as Global Bonds, while ERNA.L is Corporate Bonds. AGGU.L tracks Bloomberg Global Aggregate Bond Index, while ERNA.L tracks Bloomberg US Corp 1-3 Yr TR USD. Their fees differ too: 0.10% for AGGU.L and 0.09% for ERNA.L.
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