GLAG.L vs. GAGG.L

Last updated Jun 5, 2026

GLAG.L (SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged) and GAGG.L (Amundi Index Barclays Global Agg 500M) are both Global Bonds funds tracking the Bloomberg Global Aggregate TR USD, from State Street and Amundi respectively. Both are passively managed. Over the past 5 years, GLAG.L returned -1.75%/yr vs -1.80%/yr for GAGG.L. A 0.64 correlation means they provide meaningful diversification when combined. GLAG.L charges 0.10%/yr vs 0.03%/yr for GAGG.L.

Performance

GLAG.L vs. GAGG.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged (GLAG.L) and Amundi Index Barclays Global Agg 500M (GAGG.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

GLAG.L is traded in USD, while GAGG.L is traded in GBp. To make them comparable, the GAGG.L values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, GLAG.L achieves a 0.02% return, which is significantly higher than GAGG.L's -0.17% return.

GLAG.L

• 1D: 0.08%
• 1M: 0.05%
• YTD: 0.02%
• 6M: 0.44%
• 1Y: 2.30%
• 3Y*: 3.39%
• 5Y*: -1.75%
• 10Y*: —

GAGG.L

• 1D: 0.20%
• 1M: 0.25%
• YTD: -0.17%
• 6M: 0.67%
• 1Y: 2.15%
• 3Y*: 3.24%
• 5Y*: -1.80%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

GLAG.L vs. GAGG.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
GLAG.L SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged	0.02%	7.79%	-1.43%	5.30%	-16.03%	-5.16%	9.05%	5.87%	-3.11%
GAGG.L Amundi Index Barclays Global Agg 500M	-0.17%	8.00%	-1.48%	4.50%	-16.02%	-4.78%	8.87%	7.27%	-2.69%

Correlation

The correlation between GLAG.L and GAGG.L is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.68
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (All Time) Calculated using the full available price history since Jan 31, 2018	0.64

The correlation between GLAG.L and GAGG.L shifts across timeframes, from 0.58 (1 year) to 0.68 (3 years), reflecting how their relationship changes across market environments.

GLAG.L vs. GAGG.L - Sectors Allocation Comparison

Sectors	GLAG.L	GAGG.L
Financial Services	13.0%	13.6%
Energy	2.1%	-
Communication Services	2.1%	8.4%
Industrials	1.6%	10.9%
Technology	1.6%	2.0%
Healthcare	1.5%	16.6%
Utilities	1.4%	10.4%
Consumer Cyclical	1.3%	10.8%
Consumer Defensive	1.3%	9.4%
Basic Materials	0.2%	-
Real Estate	0.2%	18.0%

Return for Risk

GLAG.L vs. GAGG.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

GLAG.L

GLAG.L Risk / Return Rank: 16
GLAG.L Sharpe Ratio Rank: 16
GLAG.L Sortino Ratio Rank: 16
GLAG.L Omega Ratio Rank: 15
GLAG.L Calmar Ratio Rank: 17
GLAG.L Martin Ratio Rank: 18

GAGG.L

GAGG.L Risk / Return Rank: 19
GAGG.L Sharpe Ratio Rank: 20
GAGG.L Sortino Ratio Rank: 20
GAGG.L Omega Ratio Rank: 19
GAGG.L Calmar Ratio Rank: 20
GAGG.L Martin Ratio Rank: 18

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

GLAG.L vs. GAGG.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged (GLAG.L) and Amundi Index Barclays Global Agg 500M (GAGG.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.

	GLAG.L	GAGG.L	Difference
Sharpe ratio: Return per unit of total volatility	0.46	0.37	+0.10
Sortino ratio: Return per unit of downside risk	0.73	0.57	+0.15
Omega ratio: Gain probability vs. loss probability	1.08	1.06	+0.02
Calmar ratio: Return relative to maximum drawdown	0.65	0.53	+0.12
Martin ratio: Return relative to average drawdown	1.80	1.49	+0.31
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GLAG.L vs. GAGG.L - Sharpe Ratio Comparison

The current GLAG.L Sharpe Ratio is 0.46, which is comparable to the GAGG.L Sharpe Ratio of 0.37. The chart below compares the historical Sharpe Ratios of GLAG.L and GAGG.L, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	GLAG.L	GAGG.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.46	0.37	+0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.27	-0.25	-0.02
Sharpe Ratio (All Time) Calculated using the full available price history	-0.01	0.08	-0.09

Drawdowns

GLAG.L vs. GAGG.L - Drawdown Comparison

The maximum GLAG.L drawdown since its inception was -25.75%, roughly equal to the maximum GAGG.L drawdown of -26.02%. Use the drawdown chart below to compare losses from any high point for GLAG.L and GAGG.L.

Drawdown Indicators

	GLAG.L	GAGG.L	Difference
Max Drawdown Largest peak-to-trough decline	-25.75%	-26.02%	+0.27%
Max Drawdown (1Y) Largest decline over 1 year	-3.53%	-4.06%	+0.53%
Max Drawdown (3Y) Largest decline over 3 years	-6.86%	-6.95%	+0.09%
Max Drawdown (5Y) Largest decline over 5 years	-24.25%	-24.43%	+0.18%
Current Drawdown Current decline from peak	-10.98%	-11.60%	+0.62%
Average Drawdown Average peak-to-trough decline	-9.75%	-9.34%	-0.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.28%	1.44%	-0.16%

Volatility

GLAG.L vs. GAGG.L - Volatility Comparison

SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged (GLAG.L) has a higher volatility of 1.98% compared to Amundi Index Barclays Global Agg 500M (GAGG.L) at 1.87%. This indicates that GLAG.L's price experiences larger fluctuations and is considered to be riskier than GAGG.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GLAG.L	GAGG.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.98%	1.87%	+0.11%
Volatility (6M) Calculated over the trailing 6-month period	3.82%	4.46%	-0.64%
Volatility (1Y) Calculated over the trailing 1-year period	4.96%	5.85%	-0.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.50%	7.23%	-0.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.79%	6.86%	-1.07%

GLAG.L vs. GAGG.L - Expense Ratio Comparison

GLAG.L has a 0.10% expense ratio, which is higher than GAGG.L's 0.03% 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

GLAG.L vs. GAGG.L - Dividend Comparison

GLAG.L's dividend yield for the trailing twelve months is around 3.15%, while GAGG.L has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
GAGG.L Amundi Index Barclays Global Agg 500M	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
GLAG.L SPDR Bloomberg Barclays Global Aggregate Bond UCITS USD unhedged	3.15%	3.00%	2.80%	2.02%	1.48%	1.24%	1.47%	0.84%

Frequently Asked Questions

Can I hold both GLAG.L and GAGG.L in my portfolio?

GLAG.L and GAGG.L have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, GLAG.L or GAGG.L?

On fees, GAGG.L is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, GLAG.L or GAGG.L?

GAGG.L is cheaper with a 0.03% expense ratio, compared with 0.10% for GLAG.L.

What is the main difference between GLAG.L and GAGG.L?

Both ETFs track Bloomberg Global Aggregate TR USD. They also come from different issuers: State Street and Amundi. Their fees differ too: 0.10% for GLAG.L and 0.03% for GAGG.L.