SDIA.L vs. ERNA.L
SDIA.L (iShares USD Short Duration Corporate Bond UCITS ETF (Acc)) and ERNA.L (iShares USD Ultrashort Bond UCITS ETF USD (Acc)) are both Corporate Bonds funds from iShares tracking the Bloomberg US Corp 1-3 Yr TR USD. Both are passively managed. Over the past 5 years, SDIA.L returned 2.40%/yr vs 3.77%/yr for ERNA.L. At a 0.20 correlation, their price movements are largely independent. SDIA.L charges 0.20%/yr vs 0.09%/yr for ERNA.L.
Performance
SDIA.L vs. ERNA.L - Performance Comparison
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Returns By Period
In the year-to-date period, SDIA.L achieves a 0.79% return, which is significantly lower than ERNA.L's 1.64% return.
SDIA.L
- 1D
- 0.11%
- 1M
- 0.39%
- YTD
- 0.79%
- 6M
- 1.24%
- 1Y
- 4.27%
- 3Y*
- 5.27%
- 5Y*
- 2.40%
- 10Y*
- —
ERNA.L
- 1D
- 0.11%
- 1M
- 0.35%
- YTD
- 1.64%
- 6M
- 1.95%
- 1Y
- 4.36%
- 3Y*
- 5.21%
- 5Y*
- 3.77%
- 10Y*
- —
SDIA.L vs. ERNA.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
SDIA.L iShares USD Short Duration Corporate Bond UCITS ETF (Acc) | 0.79% | 6.17% | 4.99% | 5.64% | -4.49% | -0.70% | 4.50% | 6.12% | 1.29% |
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 SDIA.L and ERNA.L is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.19 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.24 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.24 |
Correlation (All Time) Calculated using the full available price history since Jul 4, 2018 | 0.20 |
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Return for Risk
SDIA.L vs. ERNA.L — Risk / Return Rank
SDIA.L
ERNA.L
SDIA.L vs. ERNA.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares USD Short Duration Corporate Bond UCITS ETF (Acc) (SDIA.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.
| SDIA.L | ERNA.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.33 | ||
| Sortino ratioReturn per unit of downside risk | -4.78 | ||
| Omega ratioGain probability vs. loss probability | 1.45 | 2.31 | -0.86 |
| Calmar ratioReturn relative to maximum drawdown | 4.17 | 21.10 | -16.93 |
| Martin ratioReturn relative to average drawdown | 16.33 | 82.85 | -66.52 |
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
| SDIA.L | ERNA.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.32 | 4.65 | -2.33 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.92 | 4.03 | -3.11 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.79 | 1.43 | -0.64 |
Drawdowns
SDIA.L vs. ERNA.L - Drawdown Comparison
The maximum SDIA.L drawdown since its inception was -12.55%, 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 SDIA.L and ERNA.L.
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Drawdown Indicators
| SDIA.L | ERNA.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -12.55% | -8.63% | -3.92% |
Max Drawdown (1Y)Largest decline over 1 year | -1.02% | -0.20% | -0.82% |
Max Drawdown (3Y)Largest decline over 3 years | -1.32% | -0.38% | -0.94% |
Max Drawdown (5Y)Largest decline over 5 years | -7.61% | -0.81% | -6.80% |
Current DrawdownCurrent decline from peak | -0.03% | 0.00% | -0.03% |
Average DrawdownAverage peak-to-trough decline | -1.17% | -0.10% | -1.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.26% | 0.05% | +0.21% |
Volatility
SDIA.L vs. ERNA.L - Volatility Comparison
iShares USD Short Duration Corporate Bond UCITS ETF (Acc) (SDIA.L) has a higher volatility of 0.83% compared to iShares USD Ultrashort Bond UCITS ETF USD (Acc) (ERNA.L) at 0.30%. This indicates that SDIA.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
| SDIA.L | ERNA.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.83% | 0.30% | +0.53% |
Volatility (6M)Calculated over the trailing 6-month period | 1.51% | 0.86% | +0.65% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.84% | 0.93% | +0.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.62% | 0.93% | +1.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.44% | 2.17% | +1.27% |
SDIA.L vs. ERNA.L - Expense Ratio Comparison
SDIA.L has a 0.20% 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
SDIA.L vs. ERNA.L - Dividend Comparison
Neither SDIA.L nor ERNA.L has paid dividends to shareholders.
Frequently Asked Questions
SDIA.L and ERNA.L have a correlation of 0.19, 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 0.20% for SDIA.L.
Both ETFs track Bloomberg US Corp 1-3 Yr TR USD. Their fees differ too: 0.20% for SDIA.L and 0.09% for ERNA.L.
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