SUWG.L vs. SPY

Last updated Jun 5, 2026

SUWG.L (iShares MSCI World SRI UCITS ETF USD (Dist)) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - SUWG.L is a Global Equities fund tracking the MSCI ACWI NR USD, while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 5 years, SUWG.L returned 10.67%/yr vs 14.68%/yr for SPY. A 0.52 correlation means they provide meaningful diversification when combined. SUWG.L charges 0.20%/yr vs 0.09%/yr for SPY.

Performance

SUWG.L vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares MSCI World SRI UCITS ETF USD (Dist) (SUWG.L) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

SUWG.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, SUWG.L achieves a 10.28% return, which is significantly higher than SPY's 9.54% return.

SUWG.L

• 1D: 0.39%
• 1M: 4.00%
• YTD: 10.28%
• 6M: 10.19%
• 1Y: 21.97%
• 3Y*: 13.08%
• 5Y*: 10.67%
• 10Y*: —

SPY

• 1D: -1.97%
• 1M: 2.41%
• YTD: 9.54%
• 6M: 8.11%
• 1Y: 27.99%
• 3Y*: 18.58%
• 5Y*: 14.68%
• 10Y*: 16.16%

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

SUWG.L vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SUWG.L iShares MSCI World SRI UCITS ETF USD (Dist)	10.28%	7.24%	12.94%	18.32%	-11.70%	27.80%
SPY State Street SPDR S&P 500 ETF	9.54%	9.33%	27.07%	19.87%	-8.45%	29.55%

Correlation

The correlation between SUWG.L and SPY is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.52
Correlation (All Time) Calculated using the full available price history since Feb 24, 2021	0.52

The correlation between SUWG.L and SPY has been stable across timeframes, ranging from 0.52 to 0.58 - a consistent structural relationship.

SUWG.L vs. SPY - Sectors Allocation Comparison

Sectors	SUWG.L	SPY
Technology	32.7%	35.9%
Financial Services	16.6%	11.8%
Industrials	11.2%	7.8%
Consumer Cyclical	9.1%	10.3%
Healthcare	9.0%	8.4%
Communication Services	7.7%	11.3%
Consumer Defensive	6.0%	4.8%
Basic Materials	3.8%	1.8%
Real Estate	2.2%	1.9%
Utilities	1.7%	2.4%
Energy	-	3.6%

Return for Risk

SUWG.L vs. SPY — Risk / Return Rank

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

SUWG.L

SUWG.L Risk / Return Rank: 58
SUWG.L Sharpe Ratio Rank: 57
SUWG.L Sortino Ratio Rank: 59
SUWG.L Omega Ratio Rank: 59
SUWG.L Calmar Ratio Rank: 56
SUWG.L Martin Ratio Rank: 59

SPY

SPY Risk / Return Rank: 66
SPY Sharpe Ratio Rank: 66
SPY Sortino Ratio Rank: 63
SPY Omega Ratio Rank: 66
SPY Calmar Ratio Rank: 60
SPY Martin Ratio Rank: 73

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.

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

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI World SRI UCITS ETF USD (Dist) (SUWG.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.

	SUWG.L	SPY	Difference
Sharpe ratio: Return per unit of total volatility	1.91	2.42	-0.50
Sortino ratio: Return per unit of downside risk	2.73	3.11	-0.39
Omega ratio: Gain probability vs. loss probability	1.35	1.45	-0.10
Calmar ratio: Return relative to maximum drawdown	2.75	3.66	-0.90
Martin ratio: Return relative to average drawdown	10.28	13.97	-3.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SUWG.L vs. SPY - Sharpe Ratio Comparison

The current SUWG.L Sharpe Ratio is 1.91, which is comparable to the SPY Sharpe Ratio of 2.42. The chart below compares the historical Sharpe Ratios of SUWG.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.

Sharpe Ratios by Period

	SUWG.L	SPY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.91	2.42	-0.50
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.78	0.92	-0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.90	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.85	0.68	+0.17

Drawdowns

SUWG.L vs. SPY - Drawdown Comparison

The maximum SUWG.L drawdown since its inception was -18.97%, smaller than the maximum SPY drawdown of -34.68%. Use the drawdown chart below to compare losses from any high point for SUWG.L and SPY.

Drawdown Indicators

	SUWG.L	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-18.97%	-34.68%	+15.71%
Max Drawdown (1Y) Largest decline over 1 year	-7.92%	-7.69%	-0.23%
Max Drawdown (3Y) Largest decline over 3 years	-18.97%	-21.94%	+2.97%
Max Drawdown (5Y) Largest decline over 5 years	-18.97%	-21.94%	+2.97%
Max Drawdown (10Y) Largest decline over 10 years	—	-25.78%	—
Current Drawdown Current decline from peak	0.00%	-1.97%	+1.97%
Average Drawdown Average peak-to-trough decline	-4.31%	-4.78%	+0.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.12%	2.01%	+0.11%

Volatility

SUWG.L vs. SPY - Volatility Comparison

iShares MSCI World SRI UCITS ETF USD (Dist) (SUWG.L) and State Street SPDR S&P 500 ETF (SPY) have volatilities of 3.37% and 3.28%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SUWG.L	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.37%	3.28%	+0.09%
Volatility (6M) Calculated over the trailing 6-month period	8.65%	8.37%	+0.28%
Volatility (1Y) Calculated over the trailing 1-year period	11.38%	11.66%	-0.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.65%	16.04%	-2.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.63%	18.03%	-4.40%

SUWG.L vs. SPY - Expense Ratio Comparison

SUWG.L has a 0.20% 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

SUWG.L vs. SPY - Dividend Comparison

SUWG.L's dividend yield for the trailing twelve months is around 1.12%, more than SPY's 1.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPY State Street SPDR S&P 500 ETF	1.00%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%
SUWG.L iShares MSCI World SRI UCITS ETF USD (Dist)	1.12%	1.21%	1.38%	1.54%	1.69%	1.17%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SUWG.L and SPY in my portfolio?

SUWG.L and SPY have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SUWG.L or SPY?

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.

Which ETF is cheaper, SUWG.L or SPY?

SPY is cheaper with a 0.09% expense ratio, compared with 0.20% for SUWG.L.

What is the main difference between SUWG.L and SPY?

SUWG.L is categorized as Global Equities, while SPY is S&P 500. SUWG.L tracks MSCI ACWI NR USD, while SPY tracks S&P 500 Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.20% for SUWG.L and 0.09% for SPY.