SDIA.L vs. BNDX
SDIA.L (iShares USD Short Duration Corporate Bond UCITS ETF (Acc)) and BNDX (Vanguard Total International Bond ETF) are both exchange-traded funds - SDIA.L is a Corporate Bonds fund tracking the Bloomberg US Corp 1-3 Yr TR USD, while BNDX is a Global Bonds fund tracking the Bloomberg Global Aggregate ex-USD Float Adjusted RIC Capped Index (USD Hedged). Both are passively managed. Over the past 5 years, SDIA.L returned 2.40%/yr vs 0.35%/yr for BNDX. At a 0.44 correlation, their price movements are largely independent. SDIA.L charges 0.20%/yr vs 0.07%/yr for BNDX.
Performance
SDIA.L vs. BNDX - 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 higher than BNDX's 0.64% 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*
- —
BNDX
- 1D
- 0.10%
- 1M
- 0.63%
- YTD
- 0.64%
- 6M
- 0.44%
- 1Y
- 1.86%
- 3Y*
- 4.14%
- 5Y*
- 0.35%
- 10Y*
- 1.71%
SDIA.L vs. BNDX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
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% |
BNDX Vanguard Total International Bond ETF | 0.64% | 2.86% | 3.57% | 8.77% | -12.76% | -2.29% | 4.65% | 7.87% | 2.81% | 2.11% |
Correlation
The correlation between SDIA.L and BNDX is 0.42, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.42 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.48 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.51 |
Correlation (All Time) Calculated using the full available price history since May 9, 2017 | 0.44 |
The correlation between SDIA.L and BNDX has been stable across timeframes, ranging from 0.42 to 0.51 - a consistent structural relationship.
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Return for Risk
SDIA.L vs. BNDX — Risk / Return Rank
SDIA.L
BNDX
SDIA.L vs. BNDX - 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 Vanguard Total International Bond ETF (BNDX). 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 | BNDX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.77 | ||
| Sortino ratioReturn per unit of downside risk | +2.74 | ||
| Omega ratioGain probability vs. loss probability | 1.45 | 1.10 | +0.36 |
| Calmar ratioReturn relative to maximum drawdown | 4.17 | 0.64 | +3.53 |
| Martin ratioReturn relative to average drawdown | 16.33 | 1.82 | +14.52 |
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 | BNDX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.32 | 0.55 | +1.77 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.92 | 0.07 | +0.84 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.42 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.79 | 0.61 | +0.18 |
Drawdowns
SDIA.L vs. BNDX - Drawdown Comparison
The maximum SDIA.L drawdown since its inception was -12.55%, smaller than the maximum BNDX drawdown of -16.23%. Use the drawdown chart below to compare losses from any high point for SDIA.L and BNDX.
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Drawdown Indicators
| SDIA.L | BNDX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -12.55% | -16.23% | +3.68% |
Max Drawdown (1Y)Largest decline over 1 year | -1.02% | -2.93% | +1.91% |
Max Drawdown (3Y)Largest decline over 3 years | -1.32% | -2.93% | +1.61% |
Max Drawdown (5Y)Largest decline over 5 years | -7.61% | -15.86% | +8.25% |
Max Drawdown (10Y)Largest decline over 10 years | — | -16.23% | — |
Current DrawdownCurrent decline from peak | -0.03% | -1.39% | +1.36% |
Average DrawdownAverage peak-to-trough decline | -1.17% | -3.08% | +1.91% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.26% | 1.03% | -0.77% |
Volatility
SDIA.L vs. BNDX - Volatility Comparison
The current volatility for iShares USD Short Duration Corporate Bond UCITS ETF (Acc) (SDIA.L) is 0.83%, while Vanguard Total International Bond ETF (BNDX) has a volatility of 1.57%. This indicates that SDIA.L experiences smaller price fluctuations and is considered to be less risky than BNDX 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 | BNDX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.83% | 1.57% | -0.74% |
Volatility (6M)Calculated over the trailing 6-month period | 1.51% | 2.91% | -1.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.84% | 3.43% | -1.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.62% | 4.88% | -2.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.44% | 4.09% | -0.65% |
SDIA.L vs. BNDX - Expense Ratio Comparison
SDIA.L has a 0.20% expense ratio, which is higher than BNDX's 0.07% 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. BNDX - Dividend Comparison
SDIA.L has not paid dividends to shareholders, while BNDX's dividend yield for the trailing twelve months is around 4.49%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BNDX Vanguard Total International Bond ETF | 4.49% | 4.39% | 4.18% | 4.42% | 1.51% | 3.74% | 1.11% | 3.40% | 3.01% | 2.23% | 1.89% | 1.63% |
SDIA.L iShares USD Short Duration Corporate Bond UCITS ETF (Acc) | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
SDIA.L and BNDX have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, BNDX is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.
BNDX is cheaper with a 0.07% expense ratio, compared with 0.20% for SDIA.L.
SDIA.L is categorized as Corporate Bonds, while BNDX is Global Bonds. SDIA.L tracks Bloomberg US Corp 1-3 Yr TR USD, while BNDX tracks Bloomberg Global Aggregate ex-USD Float Adjusted RIC Capped Index (USD Hedged). They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.20% for SDIA.L and 0.07% for BNDX.
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