GLAU.L vs. SAAA.L
GLAU.L (SPDR Bloomberg Global Aggregate Bond UCITS ETF USD Hedged) and SAAA.L (iShares Global AAA-AA Government Bond UCITS ETF (Dist)) are both Global Bonds funds - GLAU.L tracks the Bloomberg Global Aggregate TR Hdg USD while SAAA.L tracks the Bloomberg Global Aggregate TR USD. Both are passively managed. Over the past 5 years, GLAU.L returned 0.73%/yr vs -3.00%/yr for SAAA.L. At a 0.28 correlation, their price movements are largely independent. GLAU.L charges 0.10%/yr vs 0.20%/yr for SAAA.L.
Performance
GLAU.L vs. SAAA.L - Performance Comparison
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Different Trading Currencies
GLAU.L is traded in USD, while SAAA.L is traded in GBP. To make them comparable, the SAAA.L values have been converted to USD using the latest available exchange rates.
Returns By Period
In the year-to-date period, GLAU.L achieves a 0.41% return, which is significantly higher than SAAA.L's 0.05% return.
GLAU.L
- 1D
- 0.25%
- 1M
- 0.56%
- YTD
- 0.41%
- 6M
- 0.72%
- 1Y
- 3.45%
- 3Y*
- 4.27%
- 5Y*
- 0.73%
- 10Y*
- —
SAAA.L
- 1D
- 0.23%
- 1M
- -0.06%
- YTD
- 0.05%
- 6M
- 0.95%
- 1Y
- 2.07%
- 3Y*
- 3.90%
- 5Y*
- -3.00%
- 10Y*
- -0.34%
GLAU.L vs. SAAA.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
GLAU.L SPDR Bloomberg Global Aggregate Bond UCITS ETF USD Hedged | 0.41% | 4.62% | 3.58% | 6.07% | -11.13% | -1.01% | 5.46% | 7.95% | 1.58% |
SAAA.L iShares Global AAA-AA Government Bond UCITS ETF (Dist) | 0.05% | 10.73% | -5.07% | 7.72% | -20.88% | -7.79% | 11.43% | 5.68% | -0.45% |
Correlation
The correlation between GLAU.L and SAAA.L is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.48 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.35 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.32 |
Correlation (All Time) Calculated using the full available price history since Jun 28, 2018 | 0.28 |
Over the past year, GLAU.L and SAAA.L have become more correlated (0.48) than their long-term average of 0.28, meaning their price movements have been converging.
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Return for Risk
GLAU.L vs. SAAA.L — Risk / Return Rank
GLAU.L
SAAA.L
GLAU.L vs. SAAA.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Bloomberg Global Aggregate Bond UCITS ETF USD Hedged (GLAU.L) and iShares Global AAA-AA Government Bond UCITS ETF (Dist) (SAAA.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.
| GLAU.L | SAAA.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.00 | ||
| Sortino ratioReturn per unit of downside risk | +1.43 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.05 | +0.18 |
| Calmar ratioReturn relative to maximum drawdown | 1.95 | 0.38 | +1.56 |
| Martin ratioReturn relative to average drawdown | 5.07 | 1.01 | +4.06 |
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
| GLAU.L | SAAA.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.28 | 0.28 | +1.00 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.24 | -0.32 | +0.56 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | -0.04 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.83 | -0.05 | +0.88 |
Drawdowns
GLAU.L vs. SAAA.L - Drawdown Comparison
The maximum GLAU.L drawdown since its inception was -14.72%, smaller than the maximum SAAA.L drawdown of -33.47%. Use the drawdown chart below to compare losses from any high point for GLAU.L and SAAA.L.
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Drawdown Indicators
| GLAU.L | SAAA.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.72% | -33.47% | +18.75% |
Max Drawdown (1Y)Largest decline over 1 year | -2.36% | -5.38% | +3.02% |
Max Drawdown (3Y)Largest decline over 3 years | -3.11% | -10.15% | +7.04% |
Max Drawdown (5Y)Largest decline over 5 years | -14.58% | -31.19% | +16.61% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.47% | — |
Current DrawdownCurrent decline from peak | -1.01% | -17.54% | +16.53% |
Average DrawdownAverage peak-to-trough decline | -3.48% | -10.72% | +7.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.84% | 2.05% | -1.21% |
Volatility
GLAU.L vs. SAAA.L - Volatility Comparison
The current volatility for SPDR Bloomberg Global Aggregate Bond UCITS ETF USD Hedged (GLAU.L) is 1.56%, while iShares Global AAA-AA Government Bond UCITS ETF (Dist) (SAAA.L) has a volatility of 2.09%. This indicates that GLAU.L experiences smaller price fluctuations and is considered to be less risky than SAAA.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GLAU.L | SAAA.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.56% | 2.09% | -0.53% |
Volatility (6M)Calculated over the trailing 6-month period | 2.72% | 5.50% | -2.78% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.61% | 7.29% | -3.68% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.86% | 9.26% | -2.40% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.03% | 8.41% | -1.38% |
GLAU.L vs. SAAA.L - Expense Ratio Comparison
GLAU.L has a 0.10% expense ratio, which is lower than SAAA.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
GLAU.L vs. SAAA.L - Dividend Comparison
GLAU.L's dividend yield for the trailing twelve months is around 3.15%, more than SAAA.L's 2.68% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GLAU.L SPDR Bloomberg Global Aggregate Bond UCITS ETF USD Hedged | 3.15% | 3.02% | 2.71% | 2.02% | 1.40% | 1.21% | 1.51% | 1.25% | 0.89% | 0.00% | 0.00% | 0.00% |
SAAA.L iShares Global AAA-AA Government Bond UCITS ETF (Dist) | 2.68% | 2.48% | 2.34% | 1.57% | 0.76% | 0.48% | 0.61% | 0.89% | 0.87% | 0.81% | 0.83% | 1.06% |
Frequently Asked Questions
GLAU.L and SAAA.L have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, GLAU.L is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.
GLAU.L is cheaper with a 0.10% expense ratio, compared with 0.20% for SAAA.L.
GLAU.L tracks Bloomberg Global Aggregate TR Hdg USD, while SAAA.L tracks Bloomberg Global Aggregate TR USD. They also come from different issuers: State Street and iShares. Their fees differ too: 0.10% for GLAU.L and 0.20% for SAAA.L.
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