IBTA.L vs. SDIA.L
IBTA.L (iShares USD Treasury Bond 1-3yr UCITS ETF (Acc)) and SDIA.L (iShares USD Short Duration Corporate Bond UCITS ETF (Acc)) are both exchange-traded funds - IBTA.L is a Government Bonds fund tracking the ICE US Treasury 1-3 Year Index, while SDIA.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, IBTA.L returned 1.87%/yr vs 2.40%/yr for SDIA.L. A 0.61 correlation means they provide meaningful diversification when combined. IBTA.L charges 0.07%/yr vs 0.20%/yr for SDIA.L.
Performance
IBTA.L vs. SDIA.L - Performance Comparison
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Returns By Period
In the year-to-date period, IBTA.L achieves a 0.46% return, which is significantly lower than SDIA.L's 0.79% return.
IBTA.L
- 1D
- 0.13%
- 1M
- 0.13%
- YTD
- 0.46%
- 6M
- 0.92%
- 1Y
- 3.43%
- 3Y*
- 4.23%
- 5Y*
- 1.87%
- 10Y*
- —
SDIA.L
- 1D
- 0.11%
- 1M
- 0.39%
- YTD
- 0.79%
- 6M
- 1.24%
- 1Y
- 4.27%
- 3Y*
- 5.27%
- 5Y*
- 2.40%
- 10Y*
- —
IBTA.L vs. SDIA.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IBTA.L iShares USD Treasury Bond 1-3yr UCITS ETF (Acc) | 0.46% | 5.30% | 4.11% | 4.15% | -3.75% | -0.64% | 3.14% | 3.58% | 1.44% | 0.05% |
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% | 0.82% | 0.92% |
Correlation
The correlation between IBTA.L and SDIA.L is 0.68, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.68 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.71 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.72 |
Correlation (All Time) Calculated using the full available price history since May 9, 2017 | 0.61 |
The correlation between IBTA.L and SDIA.L shifts across timeframes, from 0.61 (all time) to 0.72 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
IBTA.L vs. SDIA.L — Risk / Return Rank
IBTA.L
SDIA.L
IBTA.L vs. SDIA.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares USD Treasury Bond 1-3yr UCITS ETF (Acc) (IBTA.L) and iShares USD Short Duration Corporate Bond UCITS ETF (Acc) (SDIA.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.
| IBTA.L | SDIA.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.48 | ||
| Sortino ratioReturn per unit of downside risk | +1.09 | ||
| Omega ratioGain probability vs. loss probability | 1.59 | 1.45 | +0.13 |
| Calmar ratioReturn relative to maximum drawdown | 4.62 | 4.17 | +0.45 |
| Martin ratioReturn relative to average drawdown | 17.47 | 16.33 | +1.13 |
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
| IBTA.L | SDIA.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.80 | 2.32 | +0.48 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.93 | 0.92 | +0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.08 | 0.79 | +0.30 |
Drawdowns
IBTA.L vs. SDIA.L - Drawdown Comparison
The maximum IBTA.L drawdown since its inception was -5.80%, smaller than the maximum SDIA.L drawdown of -12.55%. Use the drawdown chart below to compare losses from any high point for IBTA.L and SDIA.L.
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Drawdown Indicators
| IBTA.L | SDIA.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.80% | -12.55% | +6.75% |
Max Drawdown (1Y)Largest decline over 1 year | -0.74% | -1.02% | +0.28% |
Max Drawdown (3Y)Largest decline over 3 years | -0.89% | -1.32% | +0.43% |
Max Drawdown (5Y)Largest decline over 5 years | -5.70% | -7.61% | +1.91% |
Current DrawdownCurrent decline from peak | -0.13% | -0.03% | -0.10% |
Average DrawdownAverage peak-to-trough decline | -0.97% | -1.17% | +0.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.20% | 0.26% | -0.06% |
Volatility
IBTA.L vs. SDIA.L - Volatility Comparison
The current volatility for iShares USD Treasury Bond 1-3yr UCITS ETF (Acc) (IBTA.L) is 0.43%, while iShares USD Short Duration Corporate Bond UCITS ETF (Acc) (SDIA.L) has a volatility of 0.83%. This indicates that IBTA.L experiences smaller price fluctuations and is considered to be less risky than SDIA.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBTA.L | SDIA.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.43% | 0.83% | -0.40% |
Volatility (6M)Calculated over the trailing 6-month period | 0.86% | 1.51% | -0.65% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.23% | 1.84% | -0.61% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.00% | 2.62% | -0.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.76% | 3.44% | -1.68% |
IBTA.L vs. SDIA.L - Expense Ratio Comparison
IBTA.L has a 0.07% expense ratio, which is lower than SDIA.L's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IBTA.L vs. SDIA.L - Dividend Comparison
Neither IBTA.L nor SDIA.L has paid dividends to shareholders.
Frequently Asked Questions
IBTA.L and SDIA.L have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, IBTA.L is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.
IBTA.L is cheaper with a 0.07% expense ratio, compared with 0.20% for SDIA.L.
IBTA.L is categorized as Government Bonds, while SDIA.L is Corporate Bonds. IBTA.L tracks ICE US Treasury 1-3 Year Index, while SDIA.L tracks Bloomberg US Corp 1-3 Yr TR USD. Their fees differ too: 0.07% for IBTA.L and 0.20% for SDIA.L.
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