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GSPX.L vs. VUG
Performance
Return for Risk
Drawdowns
Volatility
Dividends

GSPX.L vs. VUG

Last updated Jun 5, 2026

GSPX.L (iShares Core S&P 500 UCITS ETF) and VUG (Vanguard Growth ETF) are both exchange-traded funds - GSPX.L is a S&P 500 fund tracking the S&P 500 Index, while VUG is a Large Cap Growth Equities fund tracking the CRSP US Large Cap Growth Index. Both are passively managed. Over the past 5 years, GSPX.L returned 12.56%/yr vs 16.42%/yr for VUG. At a 0.45 correlation, their price movements are largely independent. GSPX.L charges 0.10%/yr vs 0.03%/yr for VUG.

Performance

GSPX.L vs. VUG - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares Core S&P 500 UCITS ETF (GSPX.L) and Vanguard Growth ETF (VUG). The values are adjusted to include any dividend payments, if applicable.

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Different Trading Currencies

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

Returns By Period

The year-to-date returns for both investments are quite close, with GSPX.L having a 10.04% return and VUG slightly higher at 10.22%.

GSPX.L

1D
-0.03%
1M
4.53%
YTD
10.04%
6M
10.80%
1Y
27.24%
3Y*
21.42%
5Y*
12.56%
10Y*
—

VUG

1D
0.26%
1M
6.72%
YTD
10.22%
6M
8.24%
1Y
28.95%
3Y*
22.94%
5Y*
16.42%
10Y*
19.14%
*Multi-year figures are annualized to reflect compound growth (CAGR)

GSPX.L vs. VUG - Yearly Performance Comparison

2026 (YTD)20252024202320222021202020192018
GSPX.L
iShares Core S&P 500 UCITS ETF		10.04%17.15%24.63%24.88%-20.60%28.94%15.10%27.75%-8.17%
VUG
Vanguard Growth ETF		10.22%10.90%35.01%39.49%-25.21%28.55%36.13%31.82%-6.34%

Correlation

The correlation between GSPX.L and VUG is 0.57, 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

0.57

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

0.47

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

0.45

Correlation (All Time)
Calculated using the full available price history since Jul 4, 2018

0.45

The correlation between GSPX.L and VUG shifts across timeframes, from 0.45 (all time) to 0.57 (1 year), reflecting how their relationship changes across market environments.

GSPX.L vs. VUG - Sectors Allocation Comparison

Sectors
GSPX.L
VUG

Technology

38.6%
53.5%

Financial Services

11.3%
4.3%

Communication Services

10.6%
17.3%

Consumer Cyclical

9.6%
12.2%

Healthcare

8.2%
4.6%

Industrials

7.6%
3.6%

Consumer Defensive

4.6%
1.5%

Energy

3.3%
0.4%

Utilities

2.6%
0.9%

Basic Materials

1.7%
0.6%

Real Estate

1.7%
1.0%

Technology

GSPX.L
38.6%
VUG
53.5%

Financial Services

GSPX.L
11.3%
VUG
4.3%

Communication Services

GSPX.L
10.6%
VUG
17.3%

Consumer Cyclical

GSPX.L
9.6%
VUG
12.2%

Healthcare

GSPX.L
8.2%
VUG
4.6%

Industrials

GSPX.L
7.6%
VUG
3.6%

Consumer Defensive

GSPX.L
4.6%
VUG
1.5%

Energy

GSPX.L
3.3%
VUG
0.4%

Utilities

GSPX.L
2.6%
VUG
0.9%

Basic Materials

GSPX.L
1.7%
VUG
0.6%

Real Estate

GSPX.L
1.7%
VUG
1.0%

Compare stocks, funds, or ETFs

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iShares Core S&P 500 UCITS ETF

Vanguard Growth ETF

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GSPX.L vs. CSPX.LGSPX.L vs. VUSA.LGSPX.L vs. SPYGSPX.L vs. PPFB.DEGSPX.L vs. VUAG.LGSPX.L vs. P500.DEGSPX.L vs. VOO
Often compared with VUG:
VUG vs. QQQVUG vs. SCHGVUG vs. VOOVUG vs. VGTVUG vs. VTIVUG vs. FSPGXVUG vs. SPMO

Return for Risk

GSPX.L vs. VUG — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
GSPX.L
GSPX.L Risk / Return Rank: 7373
Overall Rank
GSPX.L Sharpe Ratio Rank: 7373
Sharpe Ratio Rank
GSPX.L Sortino Ratio Rank: 7777
Sortino Ratio Rank
GSPX.L Omega Ratio Rank: 7474
Omega Ratio Rank
GSPX.L Calmar Ratio Rank: 6565
Calmar Ratio Rank
GSPX.L Martin Ratio Rank: 7575
Martin Ratio Rank
VUG
VUG Risk / Return Rank: 4545
Overall Rank
VUG Sharpe Ratio Rank: 5252
Sharpe Ratio Rank
VUG Sortino Ratio Rank: 5050
Sortino Ratio Rank
VUG Omega Ratio Rank: 5050
Omega Ratio Rank
VUG Calmar Ratio Rank: 3535
Calmar Ratio Rank
VUG Martin Ratio Rank: 3939
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.

GSPX.L vs. VUG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P 500 UCITS ETF (GSPX.L) and Vanguard Growth ETF (VUG). 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.

GSPX.LVUGDifference
Sharpe ratioReturn per unit of total volatility
2.34
1.90

+0.45

Sortino ratioReturn per unit of downside risk
3.39
2.50

+0.90

Omega ratioGain probability vs. loss probability

1.43

1.33

+0.09

Calmar ratioReturn relative to maximum drawdown

3.22

1.76

+1.45

Martin ratioReturn relative to average drawdown

14.09

5.16

+8.93

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GSPX.L vs. VUG - Sharpe Ratio Comparison

The current GSPX.L Sharpe Ratio is 2.34, which is comparable to the VUG Sharpe Ratio of 1.90. The chart below compares the historical Sharpe Ratios of GSPX.L and VUG, 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

GSPX.LVUGDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.34

1.90

+0.45

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.78

0.79

-0.01

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

—

0.90

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.78

0.75

+0.03

Drawdowns

GSPX.L vs. VUG - Drawdown Comparison

The maximum GSPX.L drawdown since its inception was -34.88%, which is greater than VUG's maximum drawdown of -31.19%. Use the drawdown chart below to compare losses from any high point for GSPX.L and VUG.

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Drawdown Indicators

GSPX.LVUGDifference

Max Drawdown

Largest peak-to-trough decline

-34.88%

-31.19%

-3.69%

Max Drawdown (1Y)

Largest decline over 1 year

-8.43%

-16.48%

+8.05%

Max Drawdown (3Y)

Largest decline over 3 years

-18.91%

-25.69%

+6.78%

Max Drawdown (5Y)

Largest decline over 5 years

-25.77%

-28.61%

+2.84%

Max Drawdown (10Y)

Largest decline over 10 years

—

-28.61%

—

Current Drawdown

Current decline from peak

-0.52%

-0.97%

+0.45%

Average Drawdown

Average peak-to-trough decline

-5.61%

-5.65%

+0.04%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.93%

5.63%

-3.70%

Volatility

GSPX.L vs. VUG - Volatility Comparison

The current volatility for iShares Core S&P 500 UCITS ETF (GSPX.L) is 3.17%, while Vanguard Growth ETF (VUG) has a volatility of 3.63%. This indicates that GSPX.L experiences smaller price fluctuations and is considered to be less risky than VUG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

GSPX.LVUGDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.17%

3.63%

-0.46%

Volatility (6M)

Calculated over the trailing 6-month period

8.48%

11.08%

-2.60%

Volatility (1Y)

Calculated over the trailing 1-year period

11.57%

15.34%

-3.77%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.05%

20.94%

-4.89%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.63%

21.31%

-3.68%

GSPX.L vs. VUG - Expense Ratio Comparison

GSPX.L has a 0.10% expense ratio, which is higher than VUG'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

GSPX.L vs. VUG - Dividend Comparison

GSPX.L's dividend yield for the trailing twelve months is around 0.80%, more than VUG's 0.37% yield.

PositionTTM20252024202320222021202020192018201720162015
GSPX.L
iShares Core S&P 500 UCITS ETF		0.80%0.89%0.99%1.15%1.40%0.96%1.31%1.50%0.11%0.00%0.00%0.00%
VUG
Vanguard Growth ETF		0.37%0.41%0.47%0.58%0.70%0.48%0.66%0.95%1.32%1.14%1.39%1.30%

Frequently Asked Questions

GSPX.L and VUG have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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

VUG is cheaper with a 0.03% expense ratio, compared with 0.10% for GSPX.L.

GSPX.L is categorized as S&P 500, while VUG is Large Cap Growth Equities. GSPX.L tracks S&P 500 Index, while VUG tracks CRSP US Large Cap Growth Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.10% for GSPX.L and 0.03% for VUG.

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