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GLTL.L vs. SPY
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

GLTL.L vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in SPDR Bloomberg 15+ Year Gilt UCITS ETF (GLTL.L) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

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Different Trading Currencies

GLTL.L is traded in GBP, while SPY is traded in USD. To make them comparable, the SPY values have been converted to GBP using the latest available exchange rates.

Returns By Period

In the year-to-date period, GLTL.L achieves a -3.57% return, which is significantly lower than SPY's 11.78% return. Over the past 10 years, GLTL.L has underperformed SPY with an annualized return of -3.59%, while SPY has yielded a comparatively higher 16.34% annualized return.


GLTL.L

1D
0.41%
1M
2.69%
YTD
-3.57%
6M
-4.08%
1Y
0.19%
3Y*
-0.97%
5Y*
-10.85%
10Y*
-3.59%

SPY

1D
0.38%
1M
5.56%
YTD
11.78%
6M
10.48%
1Y
29.74%
3Y*
19.51%
5Y*
15.14%
10Y*
16.34%
*Multi-year figures are annualized to reflect compound growth (CAGR)

GLTL.L vs. SPY - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
GLTL.L
SPDR Bloomberg 15+ Year Gilt UCITS ETF
-3.57%3.16%-10.46%1.26%-40.67%-6.57%13.60%11.56%0.21%3.33%
SPY
State Street SPDR S&P 500 ETF
11.78%9.33%27.07%19.87%-8.45%29.95%14.86%26.23%1.09%11.18%

Correlation

The correlation between GLTL.L and SPY is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.


Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.12

Correlation (3Y)
Calculated over the trailing 3-year period

0.06

Correlation (5Y)
Calculated over the trailing 5-year period

0.04

Correlation (10Y)
Calculated over the trailing 10-year period

0.01

Correlation (All Time)
Calculated using the full available price history since May 29, 2012

-0.03

The correlation between GLTL.L and SPY shifts across timeframes, from -0.03 (all time) to 0.12 (1 year), reflecting how their relationship changes across market environments.

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Return for Risk

GLTL.L vs. SPY — Risk / Return Rank

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

GLTL.L
GLTL.L Risk / Return Rank: 99
Overall Rank
GLTL.L Sharpe Ratio Rank: 99
Sharpe Ratio Rank
GLTL.L Sortino Ratio Rank: 99
Sortino Ratio Rank
GLTL.L Omega Ratio Rank: 99
Omega Ratio Rank
GLTL.L Calmar Ratio Rank: 99
Calmar Ratio Rank
GLTL.L Martin Ratio Rank: 99
Martin Ratio Rank

SPY
SPY Risk / Return Rank: 7474
Overall Rank
SPY Sharpe Ratio Rank: 7676
Sharpe Ratio Rank
SPY Sortino Ratio Rank: 7474
Sortino Ratio Rank
SPY Omega Ratio Rank: 7575
Omega Ratio Rank
SPY Calmar Ratio Rank: 6666
Calmar Ratio Rank
SPY Martin Ratio Rank: 7878
Martin Ratio Rank
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.

GLTL.L vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR Bloomberg 15+ Year Gilt UCITS ETF (GLTL.L) and State Street SPDR S&P 500 ETF (SPY). 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.


GLTL.LSPYDifference
Sharpe ratioReturn per unit of total volatility

-2.59

Sortino ratioReturn per unit of downside risk

-3.26

Omega ratioGain probability vs. loss probability

1.01

1.49

-0.48

Calmar ratioReturn relative to maximum drawdown

0.02

3.88

-3.87

Martin ratioReturn relative to average drawdown

0.04

14.87

-14.83

GLTL.L vs. SPY - Sharpe Ratio Comparison

The current GLTL.L Sharpe Ratio is 0.02, which is lower than the SPY Sharpe Ratio of 2.61. The chart below compares the historical Sharpe Ratios of GLTL.L and SPY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.


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Sharpe Ratios by Period


GLTL.LSPYDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.02

2.61

-2.59

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

-0.55

0.95

-1.50

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

-0.21

0.91

-1.12

Sharpe Ratio (All Time)

Calculated using the full available price history

-0.03

0.69

-0.72

Drawdowns

GLTL.L vs. SPY - Drawdown Comparison

The maximum GLTL.L drawdown since its inception was -55.18%, which is greater than SPY's maximum drawdown of -34.68%. Use the drawdown chart below to compare losses from any high point for GLTL.L and SPY.


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Drawdown Indicators


GLTL.LSPYDifference

Max Drawdown

Largest peak-to-trough decline

-55.18%

-34.68%

-20.50%

Max Drawdown (1Y)

Largest decline over 1 year

-10.86%

-7.69%

-3.17%

Max Drawdown (3Y)

Largest decline over 3 years

-16.53%

-21.94%

+5.41%

Max Drawdown (5Y)

Largest decline over 5 years

-52.99%

-21.94%

-31.05%

Max Drawdown (10Y)

Largest decline over 10 years

-55.18%

-25.78%

-29.40%

Current Drawdown

Current decline from peak

-52.05%

0.00%

-52.05%

Average Drawdown

Average peak-to-trough decline

-19.76%

-4.78%

-14.98%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.27%

2.01%

+2.26%

Volatility

GLTL.L vs. SPY - Volatility Comparison

SPDR Bloomberg 15+ Year Gilt UCITS ETF (GLTL.L) has a higher volatility of 5.33% compared to State Street SPDR S&P 500 ETF (SPY) at 2.55%. This indicates that GLTL.L's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


GLTL.LSPYDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.33%

2.55%

+2.78%

Volatility (6M)

Calculated over the trailing 6-month period

9.67%

8.15%

+1.52%

Volatility (1Y)

Calculated over the trailing 1-year period

12.50%

11.48%

+1.02%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

19.75%

16.02%

+3.73%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.01%

18.02%

-1.01%

GLTL.L vs. SPY - Expense Ratio Comparison

GLTL.L has a 0.15% expense ratio, which is higher than SPY's 0.09% 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

GLTL.L vs. SPY - Dividend Comparison

GLTL.L's dividend yield for the trailing twelve months is around 5.12%, more than SPY's 0.98% yield.


PositionTTM20252024202320222021202020192018201720162015
GLTL.L
SPDR Bloomberg 15+ Year Gilt UCITS ETF
5.12%4.77%4.39%2.97%1.63%0.87%1.01%1.43%1.55%1.86%1.99%2.51%
SPY
State Street SPDR S&P 500 ETF
0.98%1.07%1.21%1.40%1.65%1.20%1.52%1.75%2.04%1.80%2.03%2.06%

Frequently Asked Questions


GLTL.L and SPY have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, SPY is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.

SPY is cheaper with a 0.09% expense ratio, compared with 0.15% for GLTL.L.

GLTL.L is categorized as European Government Bonds, while SPY is S&P 500. GLTL.L tracks FTSE Act UK Cnvt Gilts All Stocks TR GBP, while SPY tracks S&P 500 Index. Their fees differ too: 0.15% for GLTL.L and 0.09% for SPY.

Portfolio Optimizer

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