ISP6.L vs. CUSS.L
ISP6.L (iShares S&P SmallCap 600 UCITS ETF) and CUSS.L (iShares MSCI USA Small Cap CTB Enhanced ESG UCITS ETF USD (Acc)) are both Small Cap Blend Equities funds from iShares - ISP6.L tracks the Russell 2000 TR USD while CUSS.L tracks the MSCI USA Small Cap ESG Enhanced CTB Index. Both are passively managed. Over the past 10 years, ISP6.L returned 10.03%/yr vs 10.58%/yr for CUSS.L. Their correlation of 0.91 suggests significant overlap in exposure. ISP6.L charges 0.40%/yr vs 0.43%/yr for CUSS.L.
Performance
ISP6.L vs. CUSS.L - Performance Comparison
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Different Trading Currencies
ISP6.L is traded in GBp, while CUSS.L is traded in USD. To make them comparable, the CUSS.L values have been converted to GBp using the latest available exchange rates.
Returns By Period
In the year-to-date period, ISP6.L achieves a 19.86% return, which is significantly higher than CUSS.L's 16.43% return. Over the past 10 years, ISP6.L has underperformed CUSS.L with an annualized return of 10.03%, while CUSS.L has yielded a comparatively higher 10.58% annualized return.
ISP6.L
- 1D
- 0.14%
- 1M
- 1.32%
- 6M
- 14.94%
- YTD
- 19.86%
- 1Y
- 30.11%
- 3Y*
- 13.21%
- 5Y*
- 7.80%
- 10Y*
- 10.03%
CUSS.L
- 1D
- 0.00%
- 1M
- -2.10%
- 6M
- 11.12%
- YTD
- 16.43%
- 1Y
- 28.47%
- 3Y*
- 12.93%
- 5Y*
- 7.96%
- 10Y*
- 10.58%
ISP6.L vs. CUSS.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ISP6.L iShares S&P SmallCap 600 UCITS ETF | 19.86% | -0.91% | 8.76% | 10.98% | -6.72% | 27.86% | 6.87% | 17.51% | -4.56% | 3.05% |
CUSS.L iShares MSCI USA Small Cap CTB Enhanced ESG UCITS ETF USD (Acc) | 16.43% | 2.30% | 11.72% | 11.84% | -7.30% | 19.67% | 15.07% | 21.58% | -5.62% | 6.06% |
Correlation
The correlation between ISP6.L and CUSS.L is 0.89, 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 | 0.89 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.92 |
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 Sep 15, 2010 | 0.91 |
The correlation between ISP6.L and CUSS.L has been stable across timeframes, ranging from 0.89 to 0.92 - a consistent structural relationship.
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Return for Risk
ISP6.L vs. CUSS.L — Risk / Return Rank
ISP6.L
CUSS.L
ISP6.L vs. CUSS.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares S&P SmallCap 600 UCITS ETF (ISP6.L) and iShares MSCI USA Small Cap CTB Enhanced ESG UCITS ETF USD (Acc) (CUSS.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.
| ISP6.L | CUSS.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.02 | ||
| Sortino ratioReturn per unit of downside risk | -0.02 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.33 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 4.65 | 4.52 | +0.13 |
| Martin ratioReturn relative to average drawdown | 13.94 | 13.69 | +0.25 |
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Drawdowns
ISP6.L vs. CUSS.L - Drawdown Comparison
The maximum ISP6.L drawdown since its inception was -66.35%, which is greater than CUSS.L's maximum drawdown of -35.69%. Use the drawdown chart below to compare losses from any high point for ISP6.L and CUSS.L.
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Drawdown Indicators
| ISP6.L | CUSS.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -66.35% | -35.69% | -30.66% |
Max Drawdown (1Y)Largest decline over 1 year | -6.45% | -6.87% | +0.42% |
Max Drawdown (3Y)Largest decline over 3 years | -30.26% | -29.20% | -1.06% |
Max Drawdown (5Y)Largest decline over 5 years | -30.26% | -29.20% | -1.06% |
Max Drawdown (10Y)Largest decline over 10 years | -39.08% | -35.69% | -3.39% |
Current DrawdownCurrent decline from peak | -3.19% | -4.86% | +1.67% |
Average DrawdownAverage peak-to-trough decline | -15.49% | -6.22% | -9.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.15% | 2.27% | -0.12% |
Volatility
ISP6.L vs. CUSS.L - Volatility Comparison
The current volatility for iShares S&P SmallCap 600 UCITS ETF (ISP6.L) is 4.29%, while iShares MSCI USA Small Cap CTB Enhanced ESG UCITS ETF USD (Acc) (CUSS.L) has a volatility of 4.87%. This indicates that ISP6.L experiences smaller price fluctuations and is considered to be less risky than CUSS.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ISP6.L | CUSS.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.29% | 4.87% | -0.58% |
Volatility (6M)Calculated over the trailing 6-month period | 10.90% | 12.04% | -1.14% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.40% | 16.29% | -0.89% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.08% | 20.11% | -1.03% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.38% | 20.42% | -0.04% |
ISP6.L vs. CUSS.L - Expense Ratio Comparison
ISP6.L has a 0.40% expense ratio, which is lower than CUSS.L's 0.43% expense ratio.
Dividends
ISP6.L vs. CUSS.L - Dividend Comparison
ISP6.L's dividend yield for the trailing twelve months is around 0.49%, while CUSS.L has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CUSS.L iShares MSCI USA Small Cap CTB Enhanced ESG UCITS ETF USD (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% |
ISP6.L iShares S&P SmallCap 600 UCITS ETF | 0.49% | 1.22% | 1.15% | 1.08% | 1.00% | 0.65% | 0.94% | 0.97% | 0.96% | 0.78% | 0.77% | 0.53% |
Frequently Asked Questions
ISP6.L and CUSS.L have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, ISP6.L is cheaper at 0.40% per year. The better choice depends on whether you care most about return, fees, risk, or income.
ISP6.L is cheaper with a 0.40% expense ratio, compared with 0.43% for CUSS.L.
ISP6.L tracks Russell 2000 TR USD, while CUSS.L tracks MSCI USA Small Cap ESG Enhanced CTB Index. Their fees differ too: 0.40% for ISP6.L and 0.43% for CUSS.L.
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