CSUK.L vs. ^GSPC

Last updated Apr 2, 2026

Compare and contrast key facts about iShares MSCI UK UCITS ETF (Acc) (CSUK.L) and S&P 500 Index (^GSPC).

CSUK.L is a passively managed fund by iShares that tracks the performance of the FTSE AllSh TR GBP. It was launched on Jan 12, 2010.

Performance

CSUK.L vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares MSCI UK UCITS ETF (Acc) (CSUK.L) and S&P 500 Index (^GSPC). The values are adjusted to include any dividend payments, if applicable.

CSUK.L vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CSUK.L iShares MSCI UK UCITS ETF (Acc)	5.97%	25.26%	8.91%	6.86%	7.23%	18.18%	-13.09%	16.20%	-9.39%	11.89%
^GSPC S&P 500 Index	-2.36%	8.10%	25.46%	18.02%	-9.86%	28.09%	12.84%	23.98%	-0.68%	9.09%

Different Trading Currencies

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

Returns By Period

In the year-to-date period, CSUK.L achieves a 5.97% return, which is significantly higher than ^GSPC's -2.36% return. Over the past 10 years, CSUK.L has underperformed ^GSPC with an annualized return of 9.04%, while ^GSPC has yielded a comparatively higher 13.04% annualized return.

CSUK.L

• 1D: 1.66%
• 1M: -3.35%
• YTD: 5.97%
• 6M: 11.81%
• 1Y: 23.72%
• 3Y*: 14.47%
• 5Y*: 13.20%
• 10Y*: 9.04%

^GSPC

• 1D: 0.49%
• 1M: -3.37%
• YTD: -2.36%
• 6M: -0.37%
• 1Y: 13.80%
• 3Y*: 14.19%
• 5Y*: 11.28%
• 10Y*: 13.04%

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

Return for Risk

CSUK.L vs. ^GSPC — Risk / Return Rank

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

CSUK.L

CSUK.L Risk / Return Rank: 84
CSUK.L Sharpe Ratio Rank: 85
CSUK.L Sortino Ratio Rank: 82
CSUK.L Omega Ratio Rank: 88
CSUK.L Calmar Ratio Rank: 82
CSUK.L Martin Ratio Rank: 83

^GSPC

^GSPC Risk / Return Rank: 67
^GSPC Sharpe Ratio Rank: 63
^GSPC Sortino Ratio Rank: 64
^GSPC Omega Ratio Rank: 69
^GSPC Calmar Ratio Rank: 60
^GSPC Martin Ratio Rank: 77

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.

CSUK.L vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI UK UCITS ETF (Acc) (CSUK.L) and S&P 500 Index (^GSPC). 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.

	CSUK.L	^GSPC	Difference
Sharpe ratio Return per unit of total volatility	1.79	0.74	+1.05
Sortino ratio Return per unit of downside risk	2.26	1.15	+1.11
Omega ratio Gain probability vs. loss probability	1.37	1.18	+0.20
Calmar ratio Return relative to maximum drawdown	2.53	1.22	+1.31
Martin ratio Return relative to average drawdown	10.26	4.79	+5.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CSUK.L vs. ^GSPC - Sharpe Ratio Comparison

The current CSUK.L Sharpe Ratio is 1.79, which is higher than the ^GSPC Sharpe Ratio of 0.74. The chart below compares the historical Sharpe Ratios of CSUK.L and ^GSPC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	CSUK.L	^GSPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.79	0.74	+1.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.04	0.71	+0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.60	0.72	-0.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.55	-0.05

Correlation

The correlation between CSUK.L and ^GSPC is 0.39, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Drawdowns

CSUK.L vs. ^GSPC - Drawdown Comparison

The maximum CSUK.L drawdown since its inception was -34.55%, smaller than the maximum ^GSPC drawdown of -37.67%. Use the drawdown chart below to compare losses from any high point for CSUK.L and ^GSPC.

Drawdown Indicators

	CSUK.L	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-34.55%	-56.78%	+22.23%
Max Drawdown (1Y) Largest decline over 1 year	-10.70%	-12.14%	+1.44%
Max Drawdown (5Y) Largest decline over 5 years	-12.65%	-25.43%	+12.78%
Max Drawdown (10Y) Largest decline over 10 years	-34.55%	-33.92%	-0.63%
Current Drawdown Current decline from peak	-4.18%	-5.78%	+1.60%
Average Drawdown Average peak-to-trough decline	-4.73%	-10.75%	+6.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.37%	2.60%	-0.23%

Volatility

CSUK.L vs. ^GSPC - Volatility Comparison

iShares MSCI UK UCITS ETF (Acc) (CSUK.L) has a higher volatility of 5.40% compared to S&P 500 Index (^GSPC) at 4.58%. This indicates that CSUK.L's price experiences larger fluctuations and is considered to be riskier than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CSUK.L	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.40%	4.58%	+0.82%
Volatility (6M) Calculated over the trailing 6-month period	8.63%	9.50%	-0.87%
Volatility (1Y) Calculated over the trailing 1-year period	13.20%	18.75%	-5.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.70%	15.90%	-3.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.04%	18.17%	-3.13%