SP20.AS vs. XLK

Last updated Jun 5, 2026

SP20.AS (iShares S&P 500 Top 20 UCITS ETF USD Acc) and XLK (State Street Technology Select Sector SPDR ETF) are both exchange-traded funds - SP20.AS is a S&P 500 fund tracking the S&P 500 Top 20 Select 35/20 Capped Index, while XLK is a Technology Equities fund tracking the S&P Technology Select Sector Daily Capped 35/20 Index. Both are passively managed. Over the past year, SP20.AS returned 32.46% vs 61.33% for XLK. A 0.53 correlation means they provide meaningful diversification when combined. SP20.AS charges 0.20%/yr vs 0.08%/yr for XLK.

Performance

SP20.AS vs. XLK - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in iShares S&P 500 Top 20 UCITS ETF USD Acc (SP20.AS) and State Street Technology Select Sector SPDR ETF (XLK). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

SP20.AS is traded in EUR, while XLK is traded in USD. To make them comparable, the XLK values have been converted to EUR using the latest available exchange rates.

Returns By Period

In the year-to-date period, SP20.AS achieves a 8.50% return, which is significantly lower than XLK's 35.87% return.

SP20.AS

• 1D: -0.21%
• 1M: 4.12%
• YTD: 8.50%
• 6M: 8.38%
• 1Y: 32.46%
• 3Y*: —
• 5Y*: —
• 10Y*: —

XLK

• 1D: -1.70%
• 1M: 17.40%
• YTD: 35.87%
• 6M: 33.45%
• 1Y: 61.33%
• 3Y*: 29.91%
• 5Y*: 24.59%
• 10Y*: 25.34%

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

SP20.AS vs. XLK - Yearly Performance Comparison

	2026 (YTD)	2025	2024
SP20.AS iShares S&P 500 Top 20 UCITS ETF USD Acc	8.50%	19.56%	5.33%
XLK State Street Technology Select Sector SPDR ETF	35.87%	9.82%	3.68%

Correlation

The correlation between SP20.AS and XLK is 0.56, 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	0.56
Correlation (All Time) Calculated using the full available price history since Nov 18, 2024	0.53

The correlation between SP20.AS and XLK has been stable across timeframes, ranging from 0.53 to 0.56 - a consistent structural relationship.

Return for Risk

SP20.AS vs. XLK — Risk / Return Rank

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

SP20.AS

SP20.AS Risk / Return Rank: 60
SP20.AS Sharpe Ratio Rank: 67
SP20.AS Sortino Ratio Rank: 69
SP20.AS Omega Ratio Rank: 63
SP20.AS Calmar Ratio Rank: 49
SP20.AS Martin Ratio Rank: 53

XLK

XLK Risk / Return Rank: 82
XLK Sharpe Ratio Rank: 90
XLK Sortino Ratio Rank: 85
XLK Omega Ratio Rank: 83
XLK Calmar Ratio Rank: 79
XLK 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.

SP20.AS vs. XLK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Top 20 UCITS ETF USD Acc (SP20.AS) and State Street Technology Select Sector SPDR ETF (XLK). 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.

	SP20.AS	XLK	Difference
Sharpe ratio: Return per unit of total volatility	2.18	2.94	-0.77
Sortino ratio: Return per unit of downside risk	3.09	3.55	-0.47
Omega ratio: Gain probability vs. loss probability	1.37	1.48	-0.10
Calmar ratio: Return relative to maximum drawdown	2.40	4.14	-1.74
Martin ratio: Return relative to average drawdown	8.91	12.03	-3.12
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SP20.AS vs. XLK - Sharpe Ratio Comparison

The current SP20.AS Sharpe Ratio is 2.18, which is comparable to the XLK Sharpe Ratio of 2.94. The chart below compares the historical Sharpe Ratios of SP20.AS and XLK, 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

	SP20.AS	XLK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.18	2.94	-0.77
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.01	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.03	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.16	0.77	+0.39

Drawdowns

SP20.AS vs. XLK - Drawdown Comparison

The maximum SP20.AS drawdown since its inception was -23.48%, smaller than the maximum XLK drawdown of -45.64%. Use the drawdown chart below to compare losses from any high point for SP20.AS and XLK.

Drawdown Indicators

	SP20.AS	XLK	Difference
Max Drawdown Largest peak-to-trough decline	-23.48%	-45.64%	+22.16%
Max Drawdown (1Y) Largest decline over 1 year	-13.36%	-14.89%	+1.53%
Max Drawdown (3Y) Largest decline over 3 years	—	-29.64%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-29.64%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-31.74%	—
Current Drawdown Current decline from peak	-1.67%	-2.41%	+0.74%
Average Drawdown Average peak-to-trough decline	-3.82%	-7.85%	+4.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.62%	5.11%	-1.49%

Volatility

SP20.AS vs. XLK - Volatility Comparison

The current volatility for iShares S&P 500 Top 20 UCITS ETF USD Acc (SP20.AS) is 4.08%, while State Street Technology Select Sector SPDR ETF (XLK) has a volatility of 6.67%. This indicates that SP20.AS experiences smaller price fluctuations and is considered to be less risky than XLK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SP20.AS	XLK	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.08%	6.67%	-2.59%
Volatility (6M) Calculated over the trailing 6-month period	10.95%	16.13%	-5.18%
Volatility (1Y) Calculated over the trailing 1-year period	14.72%	20.95%	-6.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.19%	24.58%	-5.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.19%	24.80%	-5.61%

SP20.AS vs. XLK - Expense Ratio Comparison

SP20.AS has a 0.20% expense ratio, which is higher than XLK's 0.08% 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

SP20.AS vs. XLK - Dividend Comparison

SP20.AS has not paid dividends to shareholders, while XLK's dividend yield for the trailing twelve months is around 0.40%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SP20.AS iShares S&P 500 Top 20 UCITS ETF USD Acc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
XLK State Street Technology Select Sector SPDR ETF	0.40%	0.54%	0.66%	0.76%	1.04%	0.65%	0.92%	1.16%	1.60%	1.37%	1.74%	1.79%

Frequently Asked Questions

Can I hold both SP20.AS and XLK in my portfolio?

SP20.AS and XLK have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SP20.AS or XLK?

On fees, XLK is cheaper at 0.08% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SP20.AS or XLK?

XLK is cheaper with a 0.08% expense ratio, compared with 0.20% for SP20.AS.

What is the main difference between SP20.AS and XLK?

SP20.AS is categorized as S&P 500, while XLK is Technology Equities. SP20.AS tracks S&P 500 Top 20 Select 35/20 Capped Index, while XLK tracks S&P Technology Select Sector Daily Capped 35/20 Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.20% for SP20.AS and 0.08% for XLK.