CBUK.DE vs. AYEW.DE

Last updated Jun 5, 2026

CBUK.DE (iShares MSCI China Tech UCITS ETF USD Acc) and AYEW.DE (iShares MSCI World Information Technology Sector ESG UCITS ETF USD (Dist)) are both Technology Equities funds from iShares - CBUK.DE tracks the MSCI China Technology Sub-Industries ESG Screened Select Capped while AYEW.DE tracks the MSCI World Information Technology ESG Reduced Carbon Select 20 35 Capped. Both are passively managed. Over the past 3 years, CBUK.DE returned 13.37%/yr vs 27.99%/yr for AYEW.DE. At a 0.31 correlation, their price movements are largely independent. CBUK.DE charges 0.45%/yr vs 0.18%/yr for AYEW.DE.

Performance

CBUK.DE vs. AYEW.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in iShares MSCI China Tech UCITS ETF USD Acc (CBUK.DE) and iShares MSCI World Information Technology Sector ESG UCITS ETF USD (Dist) (AYEW.DE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CBUK.DE achieves a 2.62% return, which is significantly lower than AYEW.DE's 24.61% return.

CBUK.DE

• 1D: -0.11%
• 1M: 4.25%
• YTD: 2.62%
• 6M: 0.39%
• 1Y: 20.86%
• 3Y*: 13.37%
• 5Y*: —
• 10Y*: —

AYEW.DE

• 1D: -1.67%
• 1M: 13.12%
• YTD: 24.61%
• 6M: 22.76%
• 1Y: 44.30%
• 3Y*: 27.99%
• 5Y*: 21.48%
• 10Y*: —

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

CBUK.DE vs. AYEW.DE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
CBUK.DE iShares MSCI China Tech UCITS ETF USD Acc	2.62%	21.05%	18.05%	-9.04%	-1.49%
AYEW.DE iShares MSCI World Information Technology Sector ESG UCITS ETF USD (Dist)	24.61%	9.65%	33.73%	55.77%	-20.22%

Correlation

The correlation between CBUK.DE and AYEW.DE is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.46
Correlation (3Y) Calculated over the trailing 3-year period	0.30
Correlation (All Time) Calculated using the full available price history since Apr 11, 2022	0.31

The correlation between CBUK.DE and AYEW.DE shifts across timeframes, from 0.30 (3 years) to 0.46 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

CBUK.DE vs. AYEW.DE — Risk / Return Rank

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

CBUK.DE

CBUK.DE Risk / Return Rank: 24
CBUK.DE Sharpe Ratio Rank: 27
CBUK.DE Sortino Ratio Rank: 27
CBUK.DE Omega Ratio Rank: 26
CBUK.DE Calmar Ratio Rank: 21
CBUK.DE Martin Ratio Rank: 18

AYEW.DE

AYEW.DE Risk / Return Rank: 61
AYEW.DE Sharpe Ratio Rank: 70
AYEW.DE Sortino Ratio Rank: 65
AYEW.DE Omega Ratio Rank: 62
AYEW.DE Calmar Ratio Rank: 62
AYEW.DE Martin Ratio Rank: 49

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.

CBUK.DE vs. AYEW.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI China Tech UCITS ETF USD Acc (CBUK.DE) and iShares MSCI World Information Technology Sector ESG UCITS ETF USD (Dist) (AYEW.DE). 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.

	CBUK.DE	AYEW.DE	Difference
Sharpe ratio: Return per unit of total volatility	0.94	2.26	-1.31
Sortino ratio: Return per unit of downside risk	1.46	2.94	-1.48
Omega ratio: Gain probability vs. loss probability	1.17	1.37	-0.20
Calmar ratio: Return relative to maximum drawdown	0.92	3.01	-2.08
Martin ratio: Return relative to average drawdown	1.88	8.00	-6.11
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CBUK.DE vs. AYEW.DE - Sharpe Ratio Comparison

The current CBUK.DE Sharpe Ratio is 0.94, which is lower than the AYEW.DE Sharpe Ratio of 2.26. The chart below compares the historical Sharpe Ratios of CBUK.DE and AYEW.DE, 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

	CBUK.DE	AYEW.DE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.94	2.26	-1.31
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.93	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.21	1.02	-0.80

Drawdowns

CBUK.DE vs. AYEW.DE - Drawdown Comparison

The maximum CBUK.DE drawdown since its inception was -37.29%, which is greater than AYEW.DE's maximum drawdown of -31.36%. Use the drawdown chart below to compare losses from any high point for CBUK.DE and AYEW.DE.

Drawdown Indicators

	CBUK.DE	AYEW.DE	Difference
Max Drawdown Largest peak-to-trough decline	-37.29%	-31.36%	-5.93%
Max Drawdown (1Y) Largest decline over 1 year	-23.99%	-14.98%	-9.01%
Max Drawdown (3Y) Largest decline over 3 years	-28.54%	-29.01%	+0.47%
Max Drawdown (5Y) Largest decline over 5 years	—	-30.10%	—
Current Drawdown Current decline from peak	-11.37%	-2.13%	-9.24%
Average Drawdown Average peak-to-trough decline	-16.27%	-7.74%	-8.53%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.77%	5.64%	+6.13%

Volatility

CBUK.DE vs. AYEW.DE - Volatility Comparison

iShares MSCI China Tech UCITS ETF USD Acc (CBUK.DE) has a higher volatility of 8.51% compared to iShares MSCI World Information Technology Sector ESG UCITS ETF USD (Dist) (AYEW.DE) at 6.77%. This indicates that CBUK.DE's price experiences larger fluctuations and is considered to be riskier than AYEW.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CBUK.DE	AYEW.DE	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.51%	6.77%	+1.74%
Volatility (6M) Calculated over the trailing 6-month period	16.60%	14.89%	+1.71%
Volatility (1Y) Calculated over the trailing 1-year period	23.47%	19.98%	+3.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.52%	22.77%	+8.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.52%	23.48%	+8.04%

CBUK.DE vs. AYEW.DE - Expense Ratio Comparison

CBUK.DE has a 0.45% expense ratio, which is higher than AYEW.DE's 0.18% expense ratio.

Dividends

CBUK.DE vs. AYEW.DE - Dividend Comparison

CBUK.DE has not paid dividends to shareholders, while AYEW.DE's dividend yield for the trailing twelve months is around 0.25%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
AYEW.DE iShares MSCI World Information Technology Sector ESG UCITS ETF USD (Dist)	0.25%	0.31%	0.38%	0.46%	0.82%	0.40%	0.65%	0.12%
CBUK.DE iShares MSCI China Tech UCITS ETF USD Acc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CBUK.DE and AYEW.DE in my portfolio?

CBUK.DE and AYEW.DE have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CBUK.DE or AYEW.DE?

On fees, AYEW.DE is cheaper at 0.18% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CBUK.DE or AYEW.DE?

AYEW.DE is cheaper with a 0.18% expense ratio, compared with 0.45% for CBUK.DE.

What is the main difference between CBUK.DE and AYEW.DE?

CBUK.DE tracks MSCI China Technology Sub-Industries ESG Screened Select Capped, while AYEW.DE tracks MSCI World Information Technology ESG Reduced Carbon Select 20 35 Capped. Their fees differ too: 0.45% for CBUK.DE and 0.18% for AYEW.DE.