ACU2.DE vs. CSY2.DE

Last updated Jun 5, 2026

ACU2.DE (Amundi PEA MSCI USA ESG Leaders UCITS ETF EUR) and CSY2.DE (CSIF (IE) MSCI USA ESG Leaders Blue UCITS ETF B USD) are both Large Cap Blend Equities funds - ACU2.DE tracks the MSCI USA ESG Leaders Select 5% Issuer Capped while CSY2.DE tracks the MSCI USA ESG Leaders. Both are passively managed. Over the past 5 years, ACU2.DE returned 12.95%/yr vs 14.65%/yr for CSY2.DE. Their correlation of 0.93 suggests significant overlap in exposure. ACU2.DE charges 0.35%/yr vs 0.10%/yr for CSY2.DE.

Performance

ACU2.DE vs. CSY2.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in Amundi PEA MSCI USA ESG Leaders UCITS ETF EUR (ACU2.DE) and CSIF (IE) MSCI USA ESG Leaders Blue UCITS ETF B USD (CSY2.DE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ACU2.DE achieves a 13.23% return, which is significantly higher than CSY2.DE's 10.74% return.

ACU2.DE

• 1D: 0.31%
• 1M: 7.61%
• YTD: 13.23%
• 6M: 14.11%
• 1Y: 25.59%
• 3Y*: 16.67%
• 5Y*: 12.95%
• 10Y*: 14.18%

CSY2.DE

• 1D: 0.76%
• 1M: 5.76%
• YTD: 10.74%
• 6M: 11.43%
• 1Y: 26.36%
• 3Y*: 19.25%
• 5Y*: 14.65%
• 10Y*: —

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

ACU2.DE vs. CSY2.DE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
ACU2.DE Amundi PEA MSCI USA ESG Leaders UCITS ETF EUR	13.23%	1.61%	26.66%	22.75%	-15.77%	38.66%	39.27%
CSY2.DE CSIF (IE) MSCI USA ESG Leaders Blue UCITS ETF B USD	10.74%	6.30%	30.42%	25.14%	-16.59%	44.53%	36.31%

Correlation

The correlation between ACU2.DE and CSY2.DE is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (All Time) Calculated using the full available price history since Mar 18, 2020	0.93

The correlation between ACU2.DE and CSY2.DE has been stable across timeframes, ranging from 0.93 to 0.94 - a consistent structural relationship.

Return for Risk

ACU2.DE vs. CSY2.DE — Risk / Return Rank

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

ACU2.DE

ACU2.DE Risk / Return Rank: 57
ACU2.DE Sharpe Ratio Rank: 60
ACU2.DE Sortino Ratio Rank: 60
ACU2.DE Omega Ratio Rank: 59
ACU2.DE Calmar Ratio Rank: 53
ACU2.DE Martin Ratio Rank: 52

CSY2.DE

CSY2.DE Risk / Return Rank: 61
CSY2.DE Sharpe Ratio Rank: 64
CSY2.DE Sortino Ratio Rank: 62
CSY2.DE Omega Ratio Rank: 63
CSY2.DE Calmar Ratio Rank: 59
CSY2.DE Martin Ratio Rank: 58

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.

ACU2.DE vs. CSY2.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amundi PEA MSCI USA ESG Leaders UCITS ETF EUR (ACU2.DE) and CSIF (IE) MSCI USA ESG Leaders Blue UCITS ETF B USD (CSY2.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.

	ACU2.DE	CSY2.DE	Difference
Sharpe ratio: Return per unit of total volatility	2.00	2.10	-0.10
Sortino ratio: Return per unit of downside risk	2.76	2.86	-0.11
Omega ratio: Gain probability vs. loss probability	1.36	1.38	-0.02
Calmar ratio: Return relative to maximum drawdown	2.56	2.87	-0.31
Martin ratio: Return relative to average drawdown	8.85	10.08	-1.23
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ACU2.DE vs. CSY2.DE - Sharpe Ratio Comparison

The current ACU2.DE Sharpe Ratio is 2.00, which is comparable to the CSY2.DE Sharpe Ratio of 2.10. The chart below compares the historical Sharpe Ratios of ACU2.DE and CSY2.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

	ACU2.DE	CSY2.DE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.00	2.10	-0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.83	0.90	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.87	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.90	1.18	-0.27

Drawdowns

ACU2.DE vs. CSY2.DE - Drawdown Comparison

The maximum ACU2.DE drawdown since its inception was -34.31%, which is greater than CSY2.DE's maximum drawdown of -24.56%. Use the drawdown chart below to compare losses from any high point for ACU2.DE and CSY2.DE.

Drawdown Indicators

	ACU2.DE	CSY2.DE	Difference
Max Drawdown Largest peak-to-trough decline	-34.31%	-24.56%	-9.75%
Max Drawdown (1Y) Largest decline over 1 year	-9.95%	-9.14%	-0.81%
Max Drawdown (3Y) Largest decline over 3 years	-23.98%	-24.56%	+0.58%
Max Drawdown (5Y) Largest decline over 5 years	-23.98%	-24.56%	+0.58%
Max Drawdown (10Y) Largest decline over 10 years	-34.31%	—	—
Current Drawdown Current decline from peak	0.00%	-0.02%	+0.02%
Average Drawdown Average peak-to-trough decline	-4.32%	-4.64%	+0.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.88%	2.61%	+0.27%

Volatility

ACU2.DE vs. CSY2.DE - Volatility Comparison

Amundi PEA MSCI USA ESG Leaders UCITS ETF EUR (ACU2.DE) and CSIF (IE) MSCI USA ESG Leaders Blue UCITS ETF B USD (CSY2.DE) have volatilities of 3.21% and 3.21%, 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

	ACU2.DE	CSY2.DE	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.21%	3.21%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	8.92%	8.56%	+0.36%
Volatility (1Y) Calculated over the trailing 1-year period	12.76%	12.52%	+0.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.47%	16.24%	-0.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.24%	17.19%	-0.95%

ACU2.DE vs. CSY2.DE - Expense Ratio Comparison

ACU2.DE has a 0.35% expense ratio, which is higher than CSY2.DE's 0.10% expense ratio.

Dividends

ACU2.DE vs. CSY2.DE - Dividend Comparison

Neither ACU2.DE nor CSY2.DE has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both ACU2.DE and CSY2.DE in my portfolio?

With a correlation of 0.94, ACU2.DE and CSY2.DE move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, ACU2.DE or CSY2.DE?

On fees, CSY2.DE is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ACU2.DE or CSY2.DE?

CSY2.DE is cheaper with a 0.10% expense ratio, compared with 0.35% for ACU2.DE.

What is the main difference between ACU2.DE and CSY2.DE?

ACU2.DE tracks MSCI USA ESG Leaders Select 5% Issuer Capped, while CSY2.DE tracks MSCI USA ESG Leaders. They also come from different issuers: Amundi and Credit Suisse. Their fees differ too: 0.35% for ACU2.DE and 0.10% for CSY2.DE.