AGG vs. GLBL.L
AGG (iShares Core U.S. Aggregate Bond ETF) and GLBL.L (SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged) are both exchange-traded funds - AGG is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index, while GLBL.L is a Global Bonds fund tracking the Bloomberg Global Aggregate TR USD. Both are passively managed. Over the past 5 years, AGG returned 0.03%/yr vs -1.91%/yr for GLBL.L. A 0.56 correlation means they provide meaningful diversification when combined. AGG charges 0.03%/yr vs 0.10%/yr for GLBL.L.
Performance
AGG vs. GLBL.L - Performance Comparison
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Different Trading Currencies
AGG is traded in USD, while GLBL.L is traded in GBP. To make them comparable, the GLBL.L values have been converted to USD using the latest available exchange rates.
Returns By Period
In the year-to-date period, AGG achieves a -0.08% return, which is significantly higher than GLBL.L's -0.95% return.
AGG
- 1D
- -0.50%
- 1M
- -0.69%
- YTD
- -0.08%
- 6M
- 0.10%
- 1Y
- 4.97%
- 3Y*
- 3.80%
- 5Y*
- 0.03%
- 10Y*
- 1.54%
GLBL.L
- 1D
- -0.80%
- 1M
- -1.57%
- YTD
- -0.95%
- 6M
- -0.28%
- 1Y
- 1.84%
- 3Y*
- 3.08%
- 5Y*
- -1.91%
- 10Y*
- —
AGG vs. GLBL.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | -0.08% | 7.19% | 1.31% | 5.65% | -13.02% | -1.77% | 7.48% | 8.46% | 0.98% |
GLBL.L SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged | -0.95% | 8.25% | -1.64% | 4.83% | -16.04% | -4.83% | 8.54% | 7.45% | -31.22% |
Correlation
The correlation between AGG and GLBL.L is 0.66, 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 | 0.66 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.69 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.65 |
Correlation (All Time) Calculated using the full available price history since Jan 29, 2018 | 0.56 |
The correlation between AGG and GLBL.L shifts across timeframes, from 0.56 (all time) to 0.69 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
AGG vs. GLBL.L — Risk / Return Rank
AGG
GLBL.L
AGG vs. GLBL.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core U.S. Aggregate Bond ETF (AGG) and SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged (GLBL.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.
| AGG | GLBL.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.90 | ||
| Sortino ratioReturn per unit of downside risk | +1.28 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.05 | +0.16 |
| Calmar ratioReturn relative to maximum drawdown | 1.61 | 0.38 | +1.23 |
| Martin ratioReturn relative to average drawdown | 4.89 | 1.08 | +3.81 |
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
| AGG | GLBL.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.16 | 0.26 | +0.90 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.01 | -0.26 | +0.26 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.29 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.59 | -0.33 | +0.92 |
Drawdowns
AGG vs. GLBL.L - Drawdown Comparison
The maximum AGG drawdown since its inception was -18.43%, smaller than the maximum GLBL.L drawdown of -40.58%. Use the drawdown chart below to compare losses from any high point for AGG and GLBL.L.
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Drawdown Indicators
| AGG | GLBL.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.43% | -40.58% | +22.15% |
Max Drawdown (1Y)Largest decline over 1 year | -2.76% | -3.96% | +1.20% |
Max Drawdown (3Y)Largest decline over 3 years | -6.11% | -7.06% | +0.95% |
Max Drawdown (5Y)Largest decline over 5 years | -17.82% | -24.63% | +6.81% |
Max Drawdown (10Y)Largest decline over 10 years | -18.43% | — | — |
Current DrawdownCurrent decline from peak | -2.47% | -29.15% | +26.68% |
Average DrawdownAverage peak-to-trough decline | -2.71% | -29.66% | +26.95% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.91% | 1.41% | -0.50% |
Volatility
AGG vs. GLBL.L - Volatility Comparison
The current volatility for iShares Core U.S. Aggregate Bond ETF (AGG) is 1.31%, while SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged (GLBL.L) has a volatility of 1.85%. This indicates that AGG experiences smaller price fluctuations and is considered to be less risky than GLBL.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AGG | GLBL.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.31% | 1.85% | -0.54% |
Volatility (6M)Calculated over the trailing 6-month period | 2.78% | 4.35% | -1.57% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.84% | 5.70% | -1.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.09% | 7.47% | -1.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.41% | 12.17% | -6.76% |
AGG vs. GLBL.L - Expense Ratio Comparison
AGG has a 0.03% expense ratio, which is lower than GLBL.L's 0.10% 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
AGG vs. GLBL.L - Dividend Comparison
AGG's dividend yield for the trailing twelve months is around 4.00%, more than GLBL.L's 3.15% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | 4.00% | 3.89% | 3.74% | 3.13% | 2.39% | 1.77% | 2.14% | 2.70% | 2.72% | 2.32% | 2.39% | 2.45% |
GLBL.L SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged | 3.15% | 3.14% | 2.76% | 2.05% | 1.39% | 1.22% | 1.54% | 1.67% | 1.06% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
AGG and GLBL.L have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, AGG is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.
AGG is cheaper with a 0.03% expense ratio, compared with 0.10% for GLBL.L.
AGG is categorized as Total Bond Market, while GLBL.L is Global Bonds. AGG tracks Bloomberg U.S. Aggregate Bond Index, while GLBL.L tracks Bloomberg Global Aggregate TR USD. They also come from different issuers: iShares and State Street. Their fees differ too: 0.03% for AGG and 0.10% for GLBL.L.
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