CSY8.DE vs. WELE.DE

Last updated Jun 5, 2026

CSY8.DE (CSIF (IE) MSCI USA Small Cap ESG Leaders Blue UCITS ETF B USD) and WELE.DE (Amundi S&P 500 Equal Weight ESG UCITS ETF Acc) are both exchange-traded funds - CSY8.DE is a Small Cap Blend Equities fund tracking the MSCI USA Small Cap ESG Leaders, while WELE.DE is a S&P 500 fund tracking the S&P 500 Equal Weight ESG Leaders Select. Both are passively managed. Over the past 3 years, CSY8.DE returned 11.06%/yr vs 11.24%/yr for WELE.DE. A 0.80 correlation means they provide meaningful diversification when combined. CSY8.DE charges 0.20%/yr vs 0.18%/yr for WELE.DE.

Performance

CSY8.DE vs. WELE.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in CSIF (IE) MSCI USA Small Cap ESG Leaders Blue UCITS ETF B USD (CSY8.DE) and Amundi S&P 500 Equal Weight ESG UCITS ETF Acc (WELE.DE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CSY8.DE achieves a 12.89% return, which is significantly higher than WELE.DE's 8.45% return.

CSY8.DE

• 1D: 0.75%
• 1M: 2.35%
• YTD: 12.89%
• 6M: 11.50%
• 1Y: 26.13%
• 3Y*: 11.06%
• 5Y*: 6.40%
• 10Y*: —

WELE.DE

• 1D: 0.41%
• 1M: 4.81%
• YTD: 8.45%
• 6M: 9.89%
• 1Y: 18.08%
• 3Y*: 11.24%
• 5Y*: —
• 10Y*: —

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

CSY8.DE vs. WELE.DE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
CSY8.DE CSIF (IE) MSCI USA Small Cap ESG Leaders Blue UCITS ETF B USD	12.89%	-2.70%	13.60%	12.50%	5.68%
WELE.DE Amundi S&P 500 Equal Weight ESG UCITS ETF Acc	8.45%	0.70%	16.40%	10.64%	6.39%

Correlation

The correlation between CSY8.DE and WELE.DE is 0.78, 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	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.75
Correlation (All Time) Calculated using the full available price history since Jun 22, 2022	0.80

The correlation between CSY8.DE and WELE.DE has been stable across timeframes, ranging from 0.75 to 0.80 - a consistent structural relationship.

Return for Risk

CSY8.DE vs. WELE.DE — Risk / Return Rank

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

CSY8.DE

CSY8.DE Risk / Return Rank: 54
CSY8.DE Sharpe Ratio Rank: 44
CSY8.DE Sortino Ratio Rank: 44
CSY8.DE Omega Ratio Rank: 43
CSY8.DE Calmar Ratio Rank: 74
CSY8.DE Martin Ratio Rank: 64

WELE.DE

WELE.DE Risk / Return Rank: 50
WELE.DE Sharpe Ratio Rank: 46
WELE.DE Sortino Ratio Rank: 46
WELE.DE Omega Ratio Rank: 45
WELE.DE Calmar Ratio Rank: 59
WELE.DE Martin Ratio Rank: 54

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.

CSY8.DE vs. WELE.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for CSIF (IE) MSCI USA Small Cap ESG Leaders Blue UCITS ETF B USD (CSY8.DE) and Amundi S&P 500 Equal Weight ESG UCITS ETF Acc (WELE.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.

	CSY8.DE	WELE.DE	Difference
Sharpe ratio: Return per unit of total volatility	1.52	1.59	-0.07
Sortino ratio: Return per unit of downside risk	2.19	2.28	-0.09
Omega ratio: Gain probability vs. loss probability	1.27	1.28	-0.02
Calmar ratio: Return relative to maximum drawdown	3.68	2.87	+0.82
Martin ratio: Return relative to average drawdown	11.46	9.27	+2.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CSY8.DE vs. WELE.DE - Sharpe Ratio Comparison

The current CSY8.DE Sharpe Ratio is 1.52, which is comparable to the WELE.DE Sharpe Ratio of 1.59. The chart below compares the historical Sharpe Ratios of CSY8.DE and WELE.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

	CSY8.DE	WELE.DE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.52	1.59	-0.07
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.31	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.62	0.74	-0.11

Drawdowns

CSY8.DE vs. WELE.DE - Drawdown Comparison

The maximum CSY8.DE drawdown since its inception was -31.41%, which is greater than WELE.DE's maximum drawdown of -23.73%. Use the drawdown chart below to compare losses from any high point for CSY8.DE and WELE.DE.

Drawdown Indicators

	CSY8.DE	WELE.DE	Difference
Max Drawdown Largest peak-to-trough decline	-31.41%	-23.73%	-7.68%
Max Drawdown (1Y) Largest decline over 1 year	-6.99%	-6.28%	-0.71%
Max Drawdown (3Y) Largest decline over 3 years	-31.41%	-23.73%	-7.68%
Max Drawdown (5Y) Largest decline over 5 years	-31.41%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-7.79%	-5.63%	-2.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.25%	1.95%	+0.30%

Volatility

CSY8.DE vs. WELE.DE - Volatility Comparison

CSIF (IE) MSCI USA Small Cap ESG Leaders Blue UCITS ETF B USD (CSY8.DE) has a higher volatility of 3.95% compared to Amundi S&P 500 Equal Weight ESG UCITS ETF Acc (WELE.DE) at 2.24%. This indicates that CSY8.DE's price experiences larger fluctuations and is considered to be riskier than WELE.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CSY8.DE	WELE.DE	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.95%	2.24%	+1.71%
Volatility (6M) Calculated over the trailing 6-month period	10.69%	7.47%	+3.22%
Volatility (1Y) Calculated over the trailing 1-year period	16.98%	11.35%	+5.63%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.19%	14.41%	+5.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.28%	14.41%	+5.87%

CSY8.DE vs. WELE.DE - Expense Ratio Comparison

CSY8.DE has a 0.20% expense ratio, which is higher than WELE.DE's 0.18% 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

CSY8.DE vs. WELE.DE - Dividend Comparison

Neither CSY8.DE nor WELE.DE has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both CSY8.DE and WELE.DE in my portfolio?

CSY8.DE and WELE.DE have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CSY8.DE or WELE.DE?

On fees, WELE.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, CSY8.DE or WELE.DE?

WELE.DE is cheaper with a 0.18% expense ratio, compared with 0.20% for CSY8.DE.

What is the main difference between CSY8.DE and WELE.DE?

CSY8.DE is categorized as Small Cap Blend Equities, while WELE.DE is S&P 500. CSY8.DE tracks MSCI USA Small Cap ESG Leaders, while WELE.DE tracks S&P 500 Equal Weight ESG Leaders Select. They also come from different issuers: Credit Suisse and Amundi. Their fees differ too: 0.20% for CSY8.DE and 0.18% for WELE.DE.