FUSS.L vs. ISDU.L
FUSS.L (Fidelity Sustainable Research Enhanced US Equity UCITS ETF Acc) and ISDU.L (iShares MSCI USA Islamic UCITS ETF) are both Large Cap Blend Equities funds - FUSS.L tracks the Russell 1000 TR USD while ISDU.L tracks the MSCI USA Islamic Index. Both are passively managed. Over the past 5 years, FUSS.L returned 14.92%/yr vs 15.73%/yr for ISDU.L. Their correlation of 0.82 suggests significant overlap in exposure. Both charge a 0.30% expense ratio.
Performance
FUSS.L vs. ISDU.L - Performance Comparison
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Different Trading Currencies
FUSS.L is traded in GBP, while ISDU.L is traded in USD. To make them comparable, the ISDU.L values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, FUSS.L achieves a 10.18% return, which is significantly lower than ISDU.L's 24.08% return.
FUSS.L
- 1D
- 0.21%
- 1M
- 4.74%
- YTD
- 10.18%
- 6M
- 9.82%
- 1Y
- 29.98%
- 3Y*
- 19.64%
- 5Y*
- 14.92%
- 10Y*
- —
ISDU.L
- 1D
- 0.00%
- 1M
- 12.64%
- YTD
- 24.08%
- 6M
- 23.79%
- 1Y
- 43.63%
- 3Y*
- 17.33%
- 5Y*
- 15.73%
- 10Y*
- 13.33%
FUSS.L vs. ISDU.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
FUSS.L Fidelity Sustainable Research Enhanced US Equity UCITS ETF Acc | 10.18% | 9.84% | 28.34% | 22.30% | -11.83% | 28.45% | 13.81% |
ISDU.L iShares MSCI USA Islamic UCITS ETF | 23.26% | 8.03% | 11.27% | 19.55% | -1.43% | 30.82% | 3.37% |
Correlation
The correlation between FUSS.L and ISDU.L is 0.69, 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 | 0.69 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.81 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.81 |
Correlation (All Time) Calculated using the full available price history since Jun 4, 2020 | 0.82 |
The correlation between FUSS.L and ISDU.L shifts across timeframes, from 0.69 (1 year) to 0.82 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
FUSS.L vs. ISDU.L — Risk / Return Rank
FUSS.L
ISDU.L
FUSS.L vs. ISDU.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Sustainable Research Enhanced US Equity UCITS ETF Acc (FUSS.L) and iShares MSCI USA Islamic UCITS ETF (ISDU.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.
| FUSS.L | ISDU.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.74 | ||
| Sortino ratioReturn per unit of downside risk | -0.88 | ||
| Omega ratioGain probability vs. loss probability | 1.46 | 1.60 | -0.13 |
| Calmar ratioReturn relative to maximum drawdown | 3.62 | 7.42 | -3.80 |
| Martin ratioReturn relative to average drawdown | 12.87 | 23.13 | -10.26 |
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
| FUSS.L | ISDU.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.60 | 3.33 | -0.74 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.01 | 1.01 | 0.00 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.81 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.06 | 0.80 | +0.25 |
Drawdowns
FUSS.L vs. ISDU.L - Drawdown Comparison
The maximum FUSS.L drawdown since its inception was -22.18%, smaller than the maximum ISDU.L drawdown of -24.76%. Use the drawdown chart below to compare losses from any high point for FUSS.L and ISDU.L.
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Drawdown Indicators
| FUSS.L | ISDU.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -22.18% | -24.76% | +2.58% |
Max Drawdown (1Y)Largest decline over 1 year | -8.24% | -5.85% | -2.39% |
Max Drawdown (3Y)Largest decline over 3 years | -22.18% | -24.06% | +1.88% |
Max Drawdown (5Y)Largest decline over 5 years | -22.18% | -24.06% | +1.88% |
Max Drawdown (10Y)Largest decline over 10 years | — | -24.76% | — |
Current DrawdownCurrent decline from peak | -0.02% | 0.00% | -0.02% |
Average DrawdownAverage peak-to-trough decline | -3.62% | -3.88% | +0.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.32% | 1.88% | +0.44% |
Volatility
FUSS.L vs. ISDU.L - Volatility Comparison
The current volatility for Fidelity Sustainable Research Enhanced US Equity UCITS ETF Acc (FUSS.L) is 2.62%, while iShares MSCI USA Islamic UCITS ETF (ISDU.L) has a volatility of 5.03%. This indicates that FUSS.L experiences smaller price fluctuations and is considered to be less risky than ISDU.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FUSS.L | ISDU.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.62% | 5.03% | -2.41% |
Volatility (6M)Calculated over the trailing 6-month period | 7.70% | 9.92% | -2.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.50% | 13.05% | -1.55% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.83% | 15.64% | -0.81% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.17% | 16.42% | -1.25% |
FUSS.L vs. ISDU.L - Expense Ratio Comparison
Both FUSS.L and ISDU.L have an expense ratio of 0.30%.
Dividends
FUSS.L vs. ISDU.L - Dividend Comparison
FUSS.L has not paid dividends to shareholders, while ISDU.L's dividend yield for the trailing twelve months is around 0.62%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FUSS.L Fidelity Sustainable Research Enhanced US Equity 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% |
ISDU.L iShares MSCI USA Islamic UCITS ETF | 0.62% | 0.74% | 0.90% | 1.10% | 1.52% | 1.01% | 1.39% | 1.37% | 1.49% | 1.38% | 1.34% | 1.43% |
Frequently Asked Questions
FUSS.L and ISDU.L have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
Both ETFs have the same 0.30% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
FUSS.L and ISDU.L have the same expense ratio: 0.30% per year.
FUSS.L tracks Russell 1000 TR USD, while ISDU.L tracks MSCI USA Islamic Index. They also come from different issuers: Fidelity and iShares.
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