CUS1.L vs. IDP6.L
CUS1.L (iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc)) and IDP6.L (iShares S&P Small Cap 600 UCITS ETF USD (Dist)) are both Small Cap Blend Equities funds from iShares - CUS1.L tracks the Russell 2000 TR USD while IDP6.L tracks the iShares S&P Small Cap 600 UCITS ETF USD (Dist). Both are passively managed. Over the past 10 years, CUS1.L returned 10.62%/yr vs 9.98%/yr for IDP6.L. Their correlation of 0.85 suggests significant overlap in exposure. CUS1.L charges 0.43%/yr vs 0.40%/yr for IDP6.L.
Performance
CUS1.L vs. IDP6.L - Performance Comparison
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Different Trading Currencies
CUS1.L is traded in GBp, while IDP6.L is traded in USD. To make them comparable, the IDP6.L 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 16.61% return, which is significantly lower than IDP6.L's 19.67% return. Over the past 10 years, CUS1.L has outperformed IDP6.L with an annualized return of 10.62%, while IDP6.L has yielded a comparatively lower 9.98% annualized return.
CUS1.L
- 1D
- -0.83%
- 1M
- -1.64%
- 6M
- 11.36%
- YTD
- 16.61%
- 1Y
- 28.75%
- 3Y*
- 13.43%
- 5Y*
- 8.04%
- 10Y*
- 10.62%
IDP6.L
- 1D
- 0.00%
- 1M
- 0.95%
- 6M
- 14.54%
- YTD
- 19.67%
- 1Y
- 29.84%
- 3Y*
- 12.57%
- 5Y*
- 7.67%
- 10Y*
- 9.98%
CUS1.L vs. IDP6.L - 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) | 16.61% | 2.68% | 11.54% | 11.30% | -7.26% | 19.95% | 14.64% | 22.34% | -6.43% | 6.42% |
IDP6.L iShares S&P Small Cap 600 UCITS ETF USD (Dist) | 19.67% | -1.29% | 8.98% | 11.50% | -6.83% | 27.55% | 7.33% | 16.71% | -4.42% | 3.36% |
Correlation
The correlation between CUS1.L and IDP6.L is 0.90, 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 | 0.90 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.91 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.92 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.92 |
Correlation (All Time) Calculated using the full available price history since Jul 1, 2009 | 0.85 |
The correlation between CUS1.L and IDP6.L has been stable across timeframes, ranging from 0.85 to 0.92 - a consistent structural relationship.
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Return for Risk
CUS1.L vs. IDP6.L — Risk / Return Rank
CUS1.L
IDP6.L
CUS1.L vs. IDP6.L - 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 S&P Small Cap 600 UCITS ETF USD (Dist) (IDP6.L). 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.
| CUS1.L | IDP6.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.12 | ||
| Sortino ratioReturn per unit of downside risk | -0.19 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.36 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 4.45 | 4.54 | -0.09 |
| Martin ratioReturn relative to average drawdown | 13.18 | 14.12 | -0.94 |
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Drawdowns
CUS1.L vs. IDP6.L - Drawdown Comparison
The maximum CUS1.L drawdown since its inception was -35.26%, smaller than the maximum IDP6.L drawdown of -39.21%. Use the drawdown chart below to compare losses from any high point for CUS1.L and IDP6.L.
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Drawdown Indicators
| CUS1.L | IDP6.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.26% | -39.21% | +3.95% |
Max Drawdown (1Y)Largest decline over 1 year | -6.44% | -7.19% | +0.75% |
Max Drawdown (3Y)Largest decline over 3 years | -28.89% | -30.39% | +1.50% |
Max Drawdown (5Y)Largest decline over 5 years | -28.89% | -30.39% | +1.50% |
Max Drawdown (10Y)Largest decline over 10 years | -35.26% | -39.21% | +3.95% |
Current DrawdownCurrent decline from peak | -4.61% | -3.72% | -0.89% |
Average DrawdownAverage peak-to-trough decline | -6.33% | -8.04% | +1.71% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.18% | 2.31% | -0.13% |
Volatility
CUS1.L vs. IDP6.L - Volatility Comparison
iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) (CUS1.L) has a higher volatility of 4.97% compared to iShares S&P Small Cap 600 UCITS ETF USD (Dist) (IDP6.L) at 4.64%. This indicates that CUS1.L's price experiences larger fluctuations and is considered to be riskier than IDP6.L 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 | IDP6.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.97% | 4.64% | +0.33% |
Volatility (6M)Calculated over the trailing 6-month period | 11.07% | 12.17% | -1.10% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.36% | 16.63% | -1.27% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.87% | 20.19% | +2.68% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.50% | 21.25% | +0.25% |
CUS1.L vs. IDP6.L - Expense Ratio Comparison
CUS1.L has a 0.43% expense ratio, which is higher than IDP6.L's 0.40% expense ratio.
Dividends
CUS1.L vs. IDP6.L - Dividend Comparison
CUS1.L has not paid dividends to shareholders, while IDP6.L's dividend yield for the trailing twelve months is around 1.01%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CUS1.L iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IDP6.L iShares S&P Small Cap 600 UCITS ETF USD (Dist) | 1.01% | 1.16% | 1.18% | 1.07% | 1.06% | 0.66% | 0.88% | 0.94% | 1.01% | 0.72% | 0.87% | 0.56% |
Frequently Asked Questions
CUS1.L and IDP6.L have a correlation of 0.90, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, IDP6.L is cheaper at 0.40% per year. The better choice depends on whether you care most about return, fees, risk, or income.
IDP6.L is cheaper with a 0.40% expense ratio, compared with 0.43% for CUS1.L.
CUS1.L tracks Russell 2000 TR USD, while IDP6.L tracks iShares S&P Small Cap 600 UCITS ETF USD (Dist). Their fees differ too: 0.43% for CUS1.L and 0.40% for IDP6.L.
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