FUSA.L vs. CSPX.L

Last updated Jun 5, 2026

FUSA.L (Fidelity US Quality Income ETF Acc) and CSPX.L (iShares Core S&P 500 UCITS ETF USD (Acc)) are both exchange-traded funds - FUSA.L is a Dividend fund tracking the Fidelity US Quality Income Index, while CSPX.L is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 5 years, FUSA.L returned 11.76%/yr vs 13.72%/yr for CSPX.L. Their correlation of 0.88 suggests significant overlap in exposure. FUSA.L charges 0.25%/yr vs 0.07%/yr for CSPX.L.

Performance

FUSA.L vs. CSPX.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity US Quality Income ETF Acc (FUSA.L) and iShares Core S&P 500 UCITS ETF USD (Acc) (CSPX.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FUSA.L achieves a 8.02% return, which is significantly lower than CSPX.L's 10.32% return.

FUSA.L

• 1D: 0.00%
• 1M: 3.55%
• YTD: 8.02%
• 6M: 8.85%
• 1Y: 23.71%
• 3Y*: 17.99%
• 5Y*: 11.76%
• 10Y*: —

CSPX.L

• 1D: 0.01%
• 1M: 4.51%
• YTD: 10.32%
• 6M: 11.15%
• 1Y: 27.85%
• 3Y*: 22.17%
• 5Y*: 13.72%
• 10Y*: 15.22%

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

FUSA.L vs. CSPX.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FUSA.L Fidelity US Quality Income ETF Acc	8.02%	16.31%	17.98%	18.04%	-10.51%	26.22%	12.02%	33.15%	-7.83%
CSPX.L iShares Core S&P 500 UCITS ETF USD (Acc)	10.32%	17.45%	25.25%	26.74%	-18.72%	29.35%	17.62%	30.55%	-8.96%

Correlation

The correlation between FUSA.L and CSPX.L is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (All Time) Calculated using the full available price history since Jul 12, 2018	0.88

The correlation between FUSA.L and CSPX.L has been stable across timeframes, ranging from 0.88 to 0.93 - a consistent structural relationship.

FUSA.L vs. CSPX.L - Sectors Allocation Comparison

Sectors	FUSA.L	CSPX.L
Technology	35.0%	38.2%
Financial Services	12.6%	11.1%
Communication Services	10.6%	10.9%
Consumer Cyclical	9.3%	10.0%
Healthcare	9.1%	8.3%
Industrials	8.8%	7.9%
Consumer Defensive	4.5%	4.7%
Energy	3.5%	3.2%
Utilities	2.3%	2.2%
Basic Materials	2.2%	1.7%
Real Estate	2.1%	1.9%

Return for Risk

FUSA.L vs. CSPX.L — Risk / Return Rank

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

FUSA.L

FUSA.L Risk / Return Rank: 69
FUSA.L Sharpe Ratio Rank: 69
FUSA.L Sortino Ratio Rank: 77
FUSA.L Omega Ratio Rank: 69
FUSA.L Calmar Ratio Rank: 60
FUSA.L Martin Ratio Rank: 69

CSPX.L

CSPX.L Risk / Return Rank: 73
CSPX.L Sharpe Ratio Rank: 72
CSPX.L Sortino Ratio Rank: 77
CSPX.L Omega Ratio Rank: 72
CSPX.L Calmar Ratio Rank: 68
CSPX.L 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.

FUSA.L vs. CSPX.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity US Quality Income ETF Acc (FUSA.L) and iShares Core S&P 500 UCITS ETF USD (Acc) (CSPX.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.

	FUSA.L	CSPX.L	Difference
Sharpe ratio: Return per unit of total volatility	2.24	2.32	-0.08
Sortino ratio: Return per unit of downside risk	3.41	3.41	+0.01
Omega ratio: Gain probability vs. loss probability	1.41	1.42	-0.02
Calmar ratio: Return relative to maximum drawdown	2.91	3.35	-0.43
Martin ratio: Return relative to average drawdown	12.66	14.51	-1.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FUSA.L vs. CSPX.L - Sharpe Ratio Comparison

The current FUSA.L Sharpe Ratio is 2.24, which is comparable to the CSPX.L Sharpe Ratio of 2.32. The chart below compares the historical Sharpe Ratios of FUSA.L and CSPX.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

	FUSA.L	CSPX.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.24	2.32	-0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.80	0.86	-0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.94	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.84	0.94	-0.10

Drawdowns

FUSA.L vs. CSPX.L - Drawdown Comparison

The maximum FUSA.L drawdown since its inception was -35.84%, which is greater than CSPX.L's maximum drawdown of -33.90%. Use the drawdown chart below to compare losses from any high point for FUSA.L and CSPX.L.

Drawdown Indicators

	FUSA.L	CSPX.L	Difference
Max Drawdown Largest peak-to-trough decline	-35.84%	-33.90%	-1.94%
Max Drawdown (1Y) Largest decline over 1 year	-8.10%	-8.17%	+0.07%
Max Drawdown (3Y) Largest decline over 3 years	-17.91%	-18.50%	+0.59%
Max Drawdown (5Y) Largest decline over 5 years	-19.37%	-24.39%	+5.02%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.90%	—
Current Drawdown Current decline from peak	-0.26%	-0.53%	+0.27%
Average Drawdown Average peak-to-trough decline	-4.24%	-3.72%	-0.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.87%	1.90%	-0.03%

Volatility

FUSA.L vs. CSPX.L - Volatility Comparison

The current volatility for Fidelity US Quality Income ETF Acc (FUSA.L) is 2.90%, while iShares Core S&P 500 UCITS ETF USD (Acc) (CSPX.L) has a volatility of 3.13%. This indicates that FUSA.L experiences smaller price fluctuations and is considered to be less risky than CSPX.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FUSA.L	CSPX.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.90%	3.13%	-0.23%
Volatility (6M) Calculated over the trailing 6-month period	7.60%	8.70%	-1.10%
Volatility (1Y) Calculated over the trailing 1-year period	10.55%	11.80%	-1.25%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.77%	15.97%	-1.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.29%	16.19%	+1.10%

FUSA.L vs. CSPX.L - Expense Ratio Comparison

FUSA.L has a 0.25% expense ratio, which is higher than CSPX.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

FUSA.L vs. CSPX.L - Dividend Comparison

Neither FUSA.L nor CSPX.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both FUSA.L and CSPX.L in my portfolio?

With a correlation of 0.90, FUSA.L and CSPX.L move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, FUSA.L or CSPX.L?

On fees, CSPX.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, FUSA.L or CSPX.L?

CSPX.L is cheaper with a 0.07% expense ratio, compared with 0.25% for FUSA.L.

What is the main difference between FUSA.L and CSPX.L?

FUSA.L is categorized as Dividend, while CSPX.L is S&P 500. FUSA.L tracks Fidelity US Quality Income Index, while CSPX.L tracks S&P 500 Index. They also come from different issuers: Fidelity and BlackRock. Their fees differ too: 0.25% for FUSA.L and 0.07% for CSPX.L.