EWSP.L vs. CSP1.L

Last updated Jun 5, 2026

EWSP.L (iShares S&P 500 Equal Weight UCITS ETF USD (Acc)) and CSP1.L (iShares Core S&P 500 UCITS ETF) are both S&P 500 funds from iShares - EWSP.L tracks the S&P 500 Equal Weight Index while CSP1.L tracks the S&P 500 Index. Both are passively managed. Over the past 3 years, EWSP.L returned 12.30%/yr vs 19.02%/yr for CSP1.L. A 0.79 correlation means they provide meaningful diversification when combined. EWSP.L charges 0.20%/yr vs 0.07%/yr for CSP1.L.

Performance

EWSP.L vs. CSP1.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares S&P 500 Equal Weight UCITS ETF USD (Acc) (EWSP.L) and iShares Core S&P 500 UCITS ETF (CSP1.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

EWSP.L is traded in GBP, while CSP1.L is traded in GBp. To make them comparable, the CSP1.L values have been converted to GBP using the latest available exchange rates.

Returns By Period

In the year-to-date period, EWSP.L achieves a 9.60% return, which is significantly lower than CSP1.L's 10.55% return.

EWSP.L

• 1D: 0.41%
• 1M: 4.78%
• YTD: 9.60%
• 6M: 10.10%
• 1Y: 21.05%
• 3Y*: 12.30%
• 5Y*: —
• 10Y*: —

CSP1.L

• 1D: 0.05%
• 1M: 5.54%
• YTD: 10.55%
• 6M: 10.48%
• 1Y: 29.13%
• 3Y*: 19.02%
• 5Y*: 14.94%
• 10Y*: 16.07%

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

EWSP.L vs. CSP1.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
EWSP.L iShares S&P 500 Equal Weight UCITS ETF USD (Acc)	9.60%	3.96%	14.13%	7.72%	-1.67%
CSP1.L iShares Core S&P 500 UCITS ETF	10.55%	9.37%	27.35%	19.79%	-6.34%

Correlation

The correlation between EWSP.L and CSP1.L is 0.67, 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	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.74
Correlation (All Time) Calculated using the full available price history since Aug 5, 2022	0.79

The correlation between EWSP.L and CSP1.L shifts across timeframes, from 0.67 (1 year) to 0.79 (all time), reflecting how their relationship changes across market environments.

EWSP.L vs. CSP1.L - Sectors Allocation Comparison

Sectors	EWSP.L	CSP1.L
Technology	19.8%	38.0%
Financial Services	14.3%	11.3%
Industrials	14.2%	7.9%
Healthcare	11.2%	8.4%
Consumer Cyclical	9.9%	9.9%
Consumer Defensive	6.5%	4.7%
Real Estate	6.3%	1.9%
Utilities	5.8%	2.2%
Energy	4.2%	3.4%
Communication Services	4.0%	10.7%
Basic Materials	3.9%	1.7%

Return for Risk

EWSP.L vs. CSP1.L — Risk / Return Rank

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

EWSP.L

EWSP.L Risk / Return Rank: 67
EWSP.L Sharpe Ratio Rank: 66
EWSP.L Sortino Ratio Rank: 65
EWSP.L Omega Ratio Rank: 65
EWSP.L Calmar Ratio Rank: 74
EWSP.L Martin Ratio Rank: 65

CSP1.L

CSP1.L Risk / Return Rank: 82
CSP1.L Sharpe Ratio Rank: 84
CSP1.L Sortino Ratio Rank: 83
CSP1.L Omega Ratio Rank: 85
CSP1.L Calmar Ratio Rank: 80
CSP1.L Martin Ratio Rank: 78

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.

EWSP.L vs. CSP1.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Equal Weight UCITS ETF USD (Acc) (EWSP.L) and iShares Core S&P 500 UCITS ETF (CSP1.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.

	EWSP.L	CSP1.L	Difference
Sharpe ratio: Return per unit of total volatility	2.16	2.73	-0.57
Sortino ratio: Return per unit of downside risk	2.97	3.66	-0.69
Omega ratio: Gain probability vs. loss probability	1.39	1.51	-0.12
Calmar ratio: Return relative to maximum drawdown	3.69	4.07	-0.38
Martin ratio: Return relative to average drawdown	11.84	14.99	-3.15
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EWSP.L vs. CSP1.L - Sharpe Ratio Comparison

The current EWSP.L Sharpe Ratio is 2.16, which is comparable to the CSP1.L Sharpe Ratio of 2.73. The chart below compares the historical Sharpe Ratios of EWSP.L and CSP1.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

	EWSP.L	CSP1.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.16	2.73	-0.57
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.04	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.03	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.66	1.09	-0.43

Drawdowns

EWSP.L vs. CSP1.L - Drawdown Comparison

The maximum EWSP.L drawdown since its inception was -19.59%, smaller than the maximum CSP1.L drawdown of -25.48%. Use the drawdown chart below to compare losses from any high point for EWSP.L and CSP1.L.

Drawdown Indicators

	EWSP.L	CSP1.L	Difference
Max Drawdown Largest peak-to-trough decline	-19.59%	-25.48%	+5.89%
Max Drawdown (1Y) Largest decline over 1 year	-5.68%	-7.12%	+1.44%
Max Drawdown (3Y) Largest decline over 3 years	-19.59%	-20.77%	+1.18%
Max Drawdown (5Y) Largest decline over 5 years	—	-20.77%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-25.48%	—
Current Drawdown Current decline from peak	0.00%	-0.24%	+0.24%
Average Drawdown Average peak-to-trough decline	-4.68%	-3.32%	-1.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.77%	1.94%	-0.17%

Volatility

EWSP.L vs. CSP1.L - Volatility Comparison

The current volatility for iShares S&P 500 Equal Weight UCITS ETF USD (Acc) (EWSP.L) is 1.96%, while iShares Core S&P 500 UCITS ETF (CSP1.L) has a volatility of 2.62%. This indicates that EWSP.L experiences smaller price fluctuations and is considered to be less risky than CSP1.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EWSP.L	CSP1.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.96%	2.62%	-0.66%
Volatility (6M) Calculated over the trailing 6-month period	6.50%	7.16%	-0.66%
Volatility (1Y) Calculated over the trailing 1-year period	9.72%	10.62%	-0.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.22%	14.31%	-1.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.22%	15.57%	-2.35%

EWSP.L vs. CSP1.L - Expense Ratio Comparison

EWSP.L has a 0.20% expense ratio, which is higher than CSP1.L's 0.07% 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

EWSP.L vs. CSP1.L - Dividend Comparison

Neither EWSP.L nor CSP1.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both EWSP.L and CSP1.L in my portfolio?

EWSP.L and CSP1.L have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, EWSP.L or CSP1.L?

On fees, CSP1.L is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, EWSP.L or CSP1.L?

CSP1.L is cheaper with a 0.07% expense ratio, compared with 0.20% for EWSP.L.

What is the main difference between EWSP.L and CSP1.L?

EWSP.L tracks S&P 500 Equal Weight Index, while CSP1.L tracks S&P 500 Index. Their fees differ too: 0.20% for EWSP.L and 0.07% for CSP1.L.