IDP6.L vs. CUS1.L
IDP6.L (iShares S&P Small Cap 600 UCITS ETF USD (Dist)) and CUS1.L (iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc)) are both Small Cap Blend Equities funds from iShares - IDP6.L tracks the iShares S&P Small Cap 600 UCITS ETF USD (Dist) while CUS1.L tracks the Russell 2000 TR USD. Both are passively managed. Over the past 10 years, IDP6.L returned 10.14%/yr vs 10.92%/yr for CUS1.L. Their correlation of 0.86 suggests significant overlap in exposure. IDP6.L charges 0.40%/yr vs 0.43%/yr for CUS1.L.
Performance
IDP6.L vs. CUS1.L - Performance Comparison
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Different Trading Currencies
IDP6.L is traded in USD, while CUS1.L is traded in GBp. To make them comparable, the CUS1.L values have been converted to USD using the latest available exchange rates.
Returns By Period
In the year-to-date period, IDP6.L achieves a 19.44% return, which is significantly higher than CUS1.L's 17.29% return. Over the past 10 years, IDP6.L has underperformed CUS1.L with an annualized return of 10.14%, while CUS1.L has yielded a comparatively higher 10.92% annualized return.
IDP6.L
- 1D
- -0.60%
- 1M
- 1.24%
- 6M
- 14.55%
- YTD
- 19.44%
- 1Y
- 30.44%
- 3Y*
- 13.63%
- 5Y*
- 7.17%
- 10Y*
- 10.14%
CUS1.L
- 1D
- 0.30%
- 1M
- -0.76%
- 6M
- 12.14%
- YTD
- 17.29%
- 1Y
- 30.24%
- 3Y*
- 14.69%
- 5Y*
- 7.69%
- 10Y*
- 10.92%
IDP6.L vs. CUS1.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IDP6.L iShares S&P Small Cap 600 UCITS ETF USD (Dist) | 19.44% | 6.28% | 7.11% | 17.37% | -16.73% | 26.35% | 10.58% | 21.32% | -9.77% | 13.15% |
CUS1.L iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) | 17.29% | 10.43% | 9.68% | 17.17% | -17.18% | 18.87% | 18.15% | 27.25% | -11.73% | 16.55% |
Correlation
The correlation between IDP6.L and CUS1.L is 0.91, 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 | 0.91 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.92 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.93 |
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 | 0.87 |
The correlation between IDP6.L and CUS1.L has been stable across timeframes, ranging from 0.86 to 0.93 - a consistent structural relationship.
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Return for Risk
IDP6.L vs. CUS1.L — Risk / Return Rank
IDP6.L
CUS1.L
IDP6.L vs. CUS1.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares S&P Small Cap 600 UCITS ETF USD (Dist) (IDP6.L) and iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) (CUS1.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.
| IDP6.L | CUS1.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.11 | ||
| Sortino ratioReturn per unit of downside risk | +0.21 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.31 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 3.80 | 3.56 | +0.24 |
| Martin ratioReturn relative to average drawdown | 12.09 | 11.96 | +0.13 |
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Drawdowns
IDP6.L vs. CUS1.L - Drawdown Comparison
The maximum IDP6.L drawdown since its inception was -52.21%, which is greater than CUS1.L's maximum drawdown of -42.32%. Use the drawdown chart below to compare losses from any high point for IDP6.L and CUS1.L.
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Drawdown Indicators
| IDP6.L | CUS1.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -52.21% | -42.32% | -9.89% |
Max Drawdown (1Y)Largest decline over 1 year | -8.66% | -8.47% | -0.19% |
Max Drawdown (3Y)Largest decline over 3 years | -28.99% | -27.50% | -1.49% |
Max Drawdown (5Y)Largest decline over 5 years | -28.99% | -28.54% | -0.45% |
Max Drawdown (10Y)Largest decline over 10 years | -45.49% | -42.32% | -3.17% |
Current DrawdownCurrent decline from peak | -2.42% | -2.74% | +0.32% |
Average DrawdownAverage peak-to-trough decline | -9.38% | -6.96% | -2.42% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.73% | 2.52% | +0.21% |
Volatility
IDP6.L vs. CUS1.L - Volatility Comparison
The current volatility for iShares S&P Small Cap 600 UCITS ETF USD (Dist) (IDP6.L) is 4.36%, while iShares MSCI USA Small Cap ESG Enhanced UCITS ETF (Acc) (CUS1.L) has a volatility of 4.81%. This indicates that IDP6.L experiences smaller price fluctuations and is considered to be less risky than CUS1.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IDP6.L | CUS1.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.36% | 4.81% | -0.45% |
Volatility (6M)Calculated over the trailing 6-month period | 12.06% | 11.84% | +0.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.95% | 16.28% | +0.67% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.13% | 24.24% | -3.11% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.67% | 22.50% | -0.83% |
IDP6.L vs. CUS1.L - Expense Ratio Comparison
IDP6.L has a 0.40% expense ratio, which is lower than CUS1.L's 0.43% expense ratio.
Dividends
IDP6.L vs. CUS1.L - Dividend Comparison
IDP6.L's dividend yield for the trailing twelve months is around 1.01%, while CUS1.L has not paid dividends to shareholders.
| 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
With a correlation of 0.91, IDP6.L and CUS1.L 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.
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.
IDP6.L tracks iShares S&P Small Cap 600 UCITS ETF USD (Dist), while CUS1.L tracks Russell 2000 TR USD. Their fees differ too: 0.40% for IDP6.L and 0.43% for CUS1.L.
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