IUSF.L vs. IUSZ.L
IUSF.L (iShares Edge MSCI USA Size Factor UCITS ETF) and IUSZ.L (iShares MSCI USA Mid-Cap Equal Weight UCITS ETF USD (Acc)) are both Mid Cap Blend Equities funds from iShares - IUSF.L tracks the Russell Mid Cap TR USD while IUSZ.L tracks the MSCI USA Mid-Cap Equal Weighted Index. Both are passively managed. Over the past 5 years, IUSF.L returned 7.07%/yr vs 7.13%/yr for IUSZ.L. Their correlation of 0.91 suggests significant overlap in exposure. Both charge a 0.20% expense ratio.
Performance
IUSF.L vs. IUSZ.L - Performance Comparison
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Different Trading Currencies
IUSF.L is traded in GBp, while IUSZ.L is traded in USD. To make them comparable, the IUSZ.L values have been converted to GBp using the latest available exchange rates.
Returns By Period
The year-to-date returns for both investments are quite close, with IUSF.L having a 8.56% return and IUSZ.L slightly higher at 8.97%.
IUSF.L
- 1D
- -0.15%
- 1M
- 0.31%
- 6M
- 4.64%
- YTD
- 8.56%
- 1Y
- 13.53%
- 3Y*
- 10.58%
- 5Y*
- 7.07%
- 10Y*
- —
IUSZ.L
- 1D
- -0.28%
- 1M
- -0.71%
- 6M
- 4.89%
- YTD
- 8.97%
- 1Y
- 14.13%
- 3Y*
- 10.58%
- 5Y*
- 7.13%
- 10Y*
- —
IUSF.L vs. IUSZ.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IUSF.L iShares Edge MSCI USA Size Factor UCITS ETF | 8.56% | 1.00% | 14.60% | 10.79% | -8.57% | 27.74% | 13.62% | 23.94% | -5.85% | 7.91% |
IUSZ.L iShares MSCI USA Mid-Cap Equal Weight UCITS ETF USD (Acc) | 8.97% | 0.85% | 14.70% | 11.34% | -8.54% | 27.24% | 14.22% | 23.08% | -4.68% | 7.06% |
Correlation
The correlation between IUSF.L and IUSZ.L is 0.92, 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 | 0.92 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.94 |
Correlation (All Time) Calculated using the full available price history since Oct 17, 2016 | 0.91 |
The correlation between IUSF.L and IUSZ.L has been stable across timeframes, ranging from 0.91 to 0.94 - a consistent structural relationship.
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Return for Risk
IUSF.L vs. IUSZ.L — Risk / Return Rank
IUSF.L
IUSZ.L
IUSF.L vs. IUSZ.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Edge MSCI USA Size Factor UCITS ETF (IUSF.L) and iShares MSCI USA Mid-Cap Equal Weight UCITS ETF USD (Acc) (IUSZ.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.
| IUSF.L | IUSZ.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.10 | ||
| Sortino ratioReturn per unit of downside risk | +0.11 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.20 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 1.82 | 1.97 | -0.14 |
| Martin ratioReturn relative to average drawdown | 5.55 | 5.72 | -0.17 |
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Drawdowns
IUSF.L vs. IUSZ.L - Drawdown Comparison
The maximum IUSF.L drawdown since its inception was -33.67%, roughly equal to the maximum IUSZ.L drawdown of -34.01%. Use the drawdown chart below to compare losses from any high point for IUSF.L and IUSZ.L.
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Drawdown Indicators
| IUSF.L | IUSZ.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.67% | -34.01% | +0.34% |
Max Drawdown (1Y)Largest decline over 1 year | -7.39% | -7.15% | -0.24% |
Max Drawdown (3Y)Largest decline over 3 years | -22.73% | -22.93% | +0.20% |
Max Drawdown (5Y)Largest decline over 5 years | -22.73% | -22.93% | +0.20% |
Current DrawdownCurrent decline from peak | -2.39% | -2.54% | +0.15% |
Average DrawdownAverage peak-to-trough decline | -5.38% | -5.79% | +0.41% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.43% | 2.47% | -0.04% |
Volatility
IUSF.L vs. IUSZ.L - Volatility Comparison
The current volatility for iShares Edge MSCI USA Size Factor UCITS ETF (IUSF.L) is 3.65%, while iShares MSCI USA Mid-Cap Equal Weight UCITS ETF USD (Acc) (IUSZ.L) has a volatility of 4.27%. This indicates that IUSF.L experiences smaller price fluctuations and is considered to be less risky than IUSZ.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IUSF.L | IUSZ.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.65% | 4.27% | -0.62% |
Volatility (6M)Calculated over the trailing 6-month period | 8.05% | 9.73% | -1.68% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.19% | 12.55% | -1.36% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.99% | 17.12% | -1.13% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.26% | 20.51% | -3.25% |
IUSF.L vs. IUSZ.L - Expense Ratio Comparison
Both IUSF.L and IUSZ.L have an expense ratio of 0.20%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IUSF.L vs. IUSZ.L - Dividend Comparison
IUSF.L has not paid dividends to shareholders, while IUSZ.L's dividend yield for the trailing twelve months is around 0.42%.
| Position | TTM |
|---|---|
IUSF.L iShares Edge MSCI USA Size Factor UCITS ETF | 0.00% |
IUSZ.L iShares MSCI USA Mid-Cap Equal Weight UCITS ETF USD (Acc) | 0.42% |
Frequently Asked Questions
With a correlation of 0.92, IUSF.L and IUSZ.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.
Both ETFs have the same 0.20% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
IUSF.L and IUSZ.L have the same expense ratio: 0.20% per year.
IUSF.L tracks Russell Mid Cap TR USD, while IUSZ.L tracks MSCI USA Mid-Cap Equal Weighted Index.
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