IGAA.L vs. VDTA.L
IGAA.L (iShares Emerging Asia Local Govt Bond UCITS ETF USD (Acc)) and VDTA.L (Vanguard USD Treasury Bond UCITS ETF Accumulating) are both Government Bonds funds - IGAA.L tracks the iShares Emerging Asia Local Govt Bond UCITS ETF USD (Acc) while VDTA.L tracks the Bloomberg Global Aggregate US Treasury Float Adjusted index. Both are passively managed. Over the past 5 years, IGAA.L returned -0.18%/yr vs -0.70%/yr for VDTA.L. At a 0.21 correlation, their price movements are largely independent. IGAA.L charges 0.50%/yr vs 0.05%/yr for VDTA.L.
Performance
IGAA.L vs. VDTA.L - Performance Comparison
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Returns By Period
In the year-to-date period, IGAA.L achieves a -4.55% return, which is significantly lower than VDTA.L's -0.33% return.
IGAA.L
- 1D
- -0.35%
- 1M
- -0.87%
- 6M
- -4.22%
- YTD
- -4.55%
- 1Y
- -5.18%
- 3Y*
- 1.27%
- 5Y*
- -0.18%
- 10Y*
- —
VDTA.L
- 1D
- 0.15%
- 1M
- -0.18%
- 6M
- -0.37%
- YTD
- -0.33%
- 1Y
- 3.51%
- 3Y*
- 2.88%
- 5Y*
- -0.70%
- 10Y*
- —
IGAA.L vs. VDTA.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
IGAA.L iShares Emerging Asia Local Govt Bond UCITS ETF USD (Acc) | -4.55% | 5.88% | 1.45% | 4.93% | -8.03% | -4.34% | 9.11% | 7.23% |
VDTA.L Vanguard USD Treasury Bond UCITS ETF Accumulating | -0.33% | 6.24% | 0.94% | 3.71% | -12.37% | -2.33% | 7.64% | 6.37% |
Correlation
The correlation between IGAA.L and VDTA.L is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.40 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.37 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.31 |
Correlation (All Time) Calculated using the full available price history since Feb 19, 2019 | 0.21 |
The correlation between IGAA.L and VDTA.L shifts across timeframes, from 0.21 (all time) to 0.40 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
IGAA.L vs. VDTA.L — Risk / Return Rank
IGAA.L
VDTA.L
IGAA.L vs. VDTA.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Emerging Asia Local Govt Bond UCITS ETF USD (Acc) (IGAA.L) and Vanguard USD Treasury Bond UCITS ETF Accumulating (VDTA.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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| IGAA.L | VDTA.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.91 | ||
| Sortino ratioReturn per unit of downside risk | -2.73 | ||
| Omega ratioGain probability vs. loss probability | 0.85 | 1.17 | -0.32 |
| Calmar ratioReturn relative to maximum drawdown | -0.78 | 1.21 | -1.98 |
| Martin ratioReturn relative to average drawdown | -1.62 | 3.24 | -4.86 |
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Drawdowns
IGAA.L vs. VDTA.L - Drawdown Comparison
The maximum IGAA.L drawdown since its inception was -21.59%, which is greater than VDTA.L's maximum drawdown of -18.80%. Use the drawdown chart below to compare losses from any high point for IGAA.L and VDTA.L.
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Drawdown Indicators
| IGAA.L | VDTA.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -21.59% | -18.80% | -2.79% |
Max Drawdown (1Y)Largest decline over 1 year | -6.63% | -2.89% | -3.74% |
Max Drawdown (3Y)Largest decline over 3 years | -7.68% | -5.00% | -2.68% |
Max Drawdown (5Y)Largest decline over 5 years | -18.76% | -16.39% | -2.37% |
Current DrawdownCurrent decline from peak | -5.97% | -7.07% | +1.10% |
Average DrawdownAverage peak-to-trough decline | -5.56% | -8.07% | +2.51% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.19% | 1.08% | +2.11% |
Volatility
IGAA.L vs. VDTA.L - Volatility Comparison
iShares Emerging Asia Local Govt Bond UCITS ETF USD (Acc) (IGAA.L) has a higher volatility of 1.46% compared to Vanguard USD Treasury Bond UCITS ETF Accumulating (VDTA.L) at 0.96%. This indicates that IGAA.L's price experiences larger fluctuations and is considered to be riskier than VDTA.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IGAA.L | VDTA.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.46% | 0.96% | +0.50% |
Volatility (6M)Calculated over the trailing 6-month period | 4.91% | 2.62% | +2.29% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.60% | 3.53% | +2.07% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.29% | 5.59% | +0.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.13% | 5.33% | +0.80% |
IGAA.L vs. VDTA.L - Expense Ratio Comparison
IGAA.L has a 0.50% expense ratio, which is higher than VDTA.L's 0.05% expense ratio.
Dividends
IGAA.L vs. VDTA.L - Dividend Comparison
Neither IGAA.L nor VDTA.L has paid dividends to shareholders.
Frequently Asked Questions
IGAA.L and VDTA.L have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, VDTA.L is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
VDTA.L is cheaper with a 0.05% expense ratio, compared with 0.50% for IGAA.L.
IGAA.L tracks iShares Emerging Asia Local Govt Bond UCITS ETF USD (Acc), while VDTA.L tracks Bloomberg Global Aggregate US Treasury Float Adjusted index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.50% for IGAA.L and 0.05% for VDTA.L.
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