CUS1.L vs. IESE.AS
CUS1.L (iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc)) and IESE.AS (iShares MSCI Europe SRI UCITS ETF EUR (Acc)) are both exchange-traded funds - CUS1.L is a Small Cap Blend Equities fund tracking the Russell 2000 TR USD, while IESE.AS is a Europe Equities fund tracking the MSCI Europe NR EUR. Both are passively managed. Over the past 10 years, CUS1.L returned 11.83%/yr vs 8.92%/yr for IESE.AS. A 0.57 correlation means they provide meaningful diversification when combined. CUS1.L charges 0.43%/yr vs 0.20%/yr for IESE.AS.
Performance
CUS1.L vs. IESE.AS - Performance Comparison
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Different Trading Currencies
CUS1.L is traded in GBp, while IESE.AS is traded in EUR. To make them comparable, the IESE.AS values have been converted to GBp using the latest available exchange rates.
Returns By Period
In the year-to-date period, CUS1.L achieves a 15.99% return, which is significantly higher than IESE.AS's 6.38% return. Over the past 10 years, CUS1.L has outperformed IESE.AS with an annualized return of 11.83%, while IESE.AS has yielded a comparatively lower 8.92% annualized return.
CUS1.L
- 1D
- 1.06%
- 1M
- 4.90%
- YTD
- 15.99%
- 6M
- 15.37%
- 1Y
- 35.71%
- 3Y*
- 13.68%
- 5Y*
- 7.82%
- 10Y*
- 11.83%
IESE.AS
- 1D
- 0.97%
- 1M
- 3.85%
- YTD
- 6.38%
- 6M
- 7.43%
- 1Y
- 8.24%
- 3Y*
- 7.18%
- 5Y*
- 5.53%
- 10Y*
- 8.92%
CUS1.L vs. IESE.AS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CUS1.L iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) | 15.99% | 2.68% | 11.54% | 11.30% | -7.26% | 19.95% | 14.64% | 22.34% | -6.43% | 6.42% |
IESE.AS iShares MSCI Europe SRI UCITS ETF EUR (Acc) | 6.38% | 7.88% | 1.62% | 14.06% | -10.47% | 19.71% | 9.61% | 21.71% | -5.79% | 16.16% |
Correlation
The correlation between CUS1.L and IESE.AS is 0.65, 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 | 0.65 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.57 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.61 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.61 |
Correlation (All Time) Calculated using the full available price history since Jun 6, 2011 | 0.57 |
The correlation between CUS1.L and IESE.AS has been stable across timeframes, ranging from 0.57 to 0.65 - a consistent structural relationship.
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Return for Risk
CUS1.L vs. IESE.AS — Risk / Return Rank
CUS1.L
IESE.AS
CUS1.L vs. IESE.AS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) (CUS1.L) and iShares MSCI Europe SRI UCITS ETF EUR (Acc) (IESE.AS). 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.
| CUS1.L | IESE.AS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.78 | ||
| Sortino ratioReturn per unit of downside risk | +2.28 | ||
| Omega ratioGain probability vs. loss probability | 1.41 | 1.11 | +0.30 |
| Calmar ratioReturn relative to maximum drawdown | 5.52 | 0.75 | +4.78 |
| Martin ratioReturn relative to average drawdown | 17.02 | 2.41 | +14.61 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| CUS1.L | IESE.AS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.40 | 0.62 | +1.78 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.41 | 0.38 | +0.04 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.60 | 0.58 | +0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.71 | 0.50 | +0.21 |
Drawdowns
CUS1.L vs. IESE.AS - Drawdown Comparison
The maximum CUS1.L drawdown since its inception was -35.26%, which is greater than IESE.AS's maximum drawdown of -26.05%. Use the drawdown chart below to compare losses from any high point for CUS1.L and IESE.AS.
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Drawdown Indicators
| CUS1.L | IESE.AS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.26% | -26.05% | -9.21% |
Max Drawdown (1Y)Largest decline over 1 year | -6.44% | -10.92% | +4.48% |
Max Drawdown (3Y)Largest decline over 3 years | -28.89% | -15.48% | -13.41% |
Max Drawdown (5Y)Largest decline over 5 years | -28.89% | -21.02% | -7.87% |
Max Drawdown (10Y)Largest decline over 10 years | -35.26% | -26.05% | -9.21% |
Current DrawdownCurrent decline from peak | 0.00% | -0.70% | +0.70% |
Average DrawdownAverage peak-to-trough decline | -6.38% | -4.90% | -1.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.09% | 3.40% | -1.31% |
Volatility
CUS1.L vs. IESE.AS - Volatility Comparison
The current volatility for iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) (CUS1.L) is 3.89%, while iShares MSCI Europe SRI UCITS ETF EUR (Acc) (IESE.AS) has a volatility of 4.24%. This indicates that CUS1.L experiences smaller price fluctuations and is considered to be less risky than IESE.AS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CUS1.L | IESE.AS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.89% | 4.24% | -0.35% |
Volatility (6M)Calculated over the trailing 6-month period | 9.97% | 10.96% | -0.99% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.81% | 13.18% | +1.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.85% | 14.51% | +4.34% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.56% | 15.09% | +4.47% |
CUS1.L vs. IESE.AS - Expense Ratio Comparison
CUS1.L has a 0.43% expense ratio, which is higher than IESE.AS's 0.20% expense ratio.
Dividends
CUS1.L vs. IESE.AS - Dividend Comparison
Neither CUS1.L nor IESE.AS has paid dividends to shareholders.
Frequently Asked Questions
CUS1.L and IESE.AS have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, IESE.AS is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.
IESE.AS is cheaper with a 0.20% expense ratio, compared with 0.43% for CUS1.L.
CUS1.L is categorized as Small Cap Blend Equities, while IESE.AS is Europe Equities. CUS1.L tracks Russell 2000 TR USD, while IESE.AS tracks MSCI Europe NR EUR. Their fees differ too: 0.43% for CUS1.L and 0.20% for IESE.AS.
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