WELX.DE vs. CBUM.DE
WELX.DE (Amundi S&P Global Communication Services ESG UCITS ETF EUR Acc) and CBUM.DE (iShares S&P 500 Scored and Screened UCITS ETF EUR Hedged (Acc)) are both exchange-traded funds - WELX.DE is a Communications Equities fund tracking the S&P Developed Ex-Korea LargeMidCap Sustainability Enhanced Communication Services, while CBUM.DE is a S&P 500 fund tracking the S&P 500 Scored & Screened Index (EUR Hedged). Both are passively managed. Over the past 3 years, WELX.DE returned 22.10%/yr vs 16.58%/yr for CBUM.DE. A 0.63 correlation means they provide meaningful diversification when combined. WELX.DE charges 0.18%/yr vs 0.10%/yr for CBUM.DE.
Performance
WELX.DE vs. CBUM.DE - Performance Comparison
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Returns By Period
In the year-to-date period, WELX.DE achieves a 4.06% return, which is significantly lower than CBUM.DE's 6.79% return.
WELX.DE
- 1D
- 0.00%
- 1M
- 3.70%
- 6M
- 4.32%
- YTD
- 4.06%
- 1Y
- 17.61%
- 3Y*
- 22.10%
- 5Y*
- —
- 10Y*
- —
CBUM.DE
- 1D
- -1.48%
- 1M
- -1.70%
- 6M
- 6.13%
- YTD
- 6.79%
- 1Y
- 18.98%
- 3Y*
- 16.58%
- 5Y*
- —
- 10Y*
- —
WELX.DE vs. CBUM.DE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
WELX.DE Amundi S&P Global Communication Services ESG UCITS ETF EUR Acc | 4.06% | 16.08% | 35.06% | 46.63% | -12.65% |
CBUM.DE iShares S&P 500 Scored and Screened UCITS ETF EUR Hedged (Acc) | 6.79% | 15.88% | 21.99% | 25.11% | -1.29% |
Correlation
The correlation between WELX.DE and CBUM.DE is 0.55, 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 | 0.55 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.61 |
Correlation (All Time) Calculated using the full available price history since Sep 20, 2022 | 0.63 |
The correlation between WELX.DE and CBUM.DE has been stable across timeframes, ranging from 0.55 to 0.63 - a consistent structural relationship.
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Return for Risk
WELX.DE vs. CBUM.DE — Risk / Return Rank
WELX.DE
CBUM.DE
WELX.DE vs. CBUM.DE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Amundi S&P Global Communication Services ESG UCITS ETF EUR Acc (WELX.DE) and iShares S&P 500 Scored and Screened UCITS ETF EUR Hedged (Acc) (CBUM.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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| WELX.DE | CBUM.DE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.52 | ||
| Sortino ratioReturn per unit of downside risk | -0.81 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.29 | -0.10 |
| Calmar ratioReturn relative to maximum drawdown | 1.18 | 2.10 | -0.92 |
| Martin ratioReturn relative to average drawdown | 3.43 | 8.78 | -5.35 |
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Drawdowns
WELX.DE vs. CBUM.DE - Drawdown Comparison
The maximum WELX.DE drawdown since its inception was -25.19%, which is greater than CBUM.DE's maximum drawdown of -19.25%. Use the drawdown chart below to compare losses from any high point for WELX.DE and CBUM.DE.
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Drawdown Indicators
| WELX.DE | CBUM.DE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -25.19% | -19.25% | -5.94% |
Max Drawdown (1Y)Largest decline over 1 year | -14.88% | -8.99% | -5.89% |
Max Drawdown (3Y)Largest decline over 3 years | -25.19% | -19.25% | -5.94% |
Current DrawdownCurrent decline from peak | -1.32% | -2.37% | +1.05% |
Average DrawdownAverage peak-to-trough decline | -4.33% | -3.56% | -0.77% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.12% | 2.16% | +2.96% |
Volatility
WELX.DE vs. CBUM.DE - Volatility Comparison
Amundi S&P Global Communication Services ESG UCITS ETF EUR Acc (WELX.DE) has a higher volatility of 6.31% compared to iShares S&P 500 Scored and Screened UCITS ETF EUR Hedged (Acc) (CBUM.DE) at 2.99%. This indicates that WELX.DE's price experiences larger fluctuations and is considered to be riskier than CBUM.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WELX.DE | CBUM.DE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.31% | 2.99% | +3.32% |
Volatility (6M)Calculated over the trailing 6-month period | 12.23% | 9.37% | +2.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.80% | 12.09% | +4.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.70% | 14.98% | +3.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.70% | 14.98% | +3.72% |
WELX.DE vs. CBUM.DE - Expense Ratio Comparison
WELX.DE has a 0.18% expense ratio, which is higher than CBUM.DE's 0.10% 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
WELX.DE vs. CBUM.DE - Dividend Comparison
Neither WELX.DE nor CBUM.DE has paid dividends to shareholders.
Frequently Asked Questions
WELX.DE and CBUM.DE have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, CBUM.DE is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.
CBUM.DE is cheaper with a 0.10% expense ratio, compared with 0.18% for WELX.DE.
WELX.DE is categorized as Communications Equities, while CBUM.DE is S&P 500. WELX.DE tracks S&P Developed Ex-Korea LargeMidCap Sustainability Enhanced Communication Services, while CBUM.DE tracks S&P 500 Scored & Screened Index (EUR Hedged). They also come from different issuers: Amundi and iShares. Their fees differ too: 0.18% for WELX.DE and 0.10% for CBUM.DE.
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