IWSZ.L vs. IUSZ.L
IWSZ.L (iShares MSCI World Mid-Cap Equal Weight 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 - IWSZ.L tracks the MSCI World Mid-Cap Equal Weighted Index while IUSZ.L tracks the MSCI USA Mid-Cap Equal Weighted Index. Both are passively managed. Over the past 5 years, IWSZ.L returned 6.01%/yr vs 6.64%/yr for IUSZ.L. Their correlation of 0.86 suggests significant overlap in exposure. IWSZ.L charges 0.30%/yr vs 0.20%/yr for IUSZ.L.
Performance
IWSZ.L vs. IUSZ.L - Performance Comparison
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Returns By Period
In the year-to-date period, IWSZ.L achieves a 7.23% return, which is significantly lower than IUSZ.L's 8.82% return.
IWSZ.L
- 1D
- -0.45%
- 1M
- -0.02%
- 6M
- 4.58%
- YTD
- 7.23%
- 1Y
- 15.40%
- 3Y*
- 12.64%
- 5Y*
- 6.01%
- 10Y*
- 8.35%
IUSZ.L
- 1D
- -0.44%
- 1M
- 0.52%
- 6M
- 5.50%
- YTD
- 8.82%
- 1Y
- 14.45%
- 3Y*
- 11.75%
- 5Y*
- 6.64%
- 10Y*
- —
IWSZ.L vs. IUSZ.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IWSZ.L iShares MSCI World Mid-Cap Equal Weight UCITS ETF | 7.23% | 21.40% | 5.94% | 16.03% | -17.96% | 12.56% | 10.79% | 23.39% | -14.41% | 24.35% |
IUSZ.L iShares MSCI USA Mid-Cap Equal Weight UCITS ETF USD (Acc) | 8.82% | 8.58% | 12.73% | 17.19% | -18.26% | 26.04% | 17.67% | 27.95% | -10.01% | 17.20% |
Correlation
The correlation between IWSZ.L and IUSZ.L is 0.83, 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 | 0.83 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.86 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.90 |
Correlation (All Time) Calculated using the full available price history since Oct 13, 2016 | 0.86 |
The correlation between IWSZ.L and IUSZ.L has been stable across timeframes, ranging from 0.83 to 0.90 - a consistent structural relationship.
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Return for Risk
IWSZ.L vs. IUSZ.L — Risk / Return Rank
IWSZ.L
IUSZ.L
IWSZ.L vs. IUSZ.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares MSCI World Mid-Cap Equal Weight UCITS ETF (IWSZ.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.
| IWSZ.L | IUSZ.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.03 | ||
| Sortino ratioReturn per unit of downside risk | 0.00 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.21 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.62 | 1.75 | -0.14 |
| Martin ratioReturn relative to average drawdown | 6.01 | 6.21 | -0.20 |
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Drawdowns
IWSZ.L vs. IUSZ.L - Drawdown Comparison
The maximum IWSZ.L drawdown since its inception was -38.11%, smaller than the maximum IUSZ.L drawdown of -41.10%. Use the drawdown chart below to compare losses from any high point for IWSZ.L and IUSZ.L.
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Drawdown Indicators
| IWSZ.L | IUSZ.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.11% | -41.10% | +2.99% |
Max Drawdown (1Y)Largest decline over 1 year | -9.49% | -8.21% | -1.28% |
Max Drawdown (3Y)Largest decline over 3 years | -14.12% | -21.38% | +7.26% |
Max Drawdown (5Y)Largest decline over 5 years | -30.13% | -25.70% | -4.43% |
Max Drawdown (10Y)Largest decline over 10 years | -38.11% | — | — |
Current DrawdownCurrent decline from peak | -0.92% | -1.18% | +0.26% |
Average DrawdownAverage peak-to-trough decline | -6.81% | -6.47% | -0.34% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.56% | 2.32% | +0.24% |
Volatility
IWSZ.L vs. IUSZ.L - Volatility Comparison
The current volatility for iShares MSCI World Mid-Cap Equal Weight UCITS ETF (IWSZ.L) is 3.25%, while iShares MSCI USA Mid-Cap Equal Weight UCITS ETF USD (Acc) (IUSZ.L) has a volatility of 3.58%. This indicates that IWSZ.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
| IWSZ.L | IUSZ.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.25% | 3.58% | -0.33% |
Volatility (6M)Calculated over the trailing 6-month period | 10.54% | 9.42% | +1.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.86% | 12.41% | +0.45% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.15% | 18.02% | -1.87% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.37% | 20.71% | -4.34% |
IWSZ.L vs. IUSZ.L - Expense Ratio Comparison
IWSZ.L has a 0.30% expense ratio, which is higher than IUSZ.L's 0.20% expense ratio.
Dividends
IWSZ.L vs. IUSZ.L - Dividend Comparison
IWSZ.L has not paid dividends to shareholders, while IUSZ.L's dividend yield for the trailing twelve months is around 0.42%.
| Position | TTM |
|---|---|
IUSZ.L iShares MSCI USA Mid-Cap Equal Weight UCITS ETF USD (Acc) | 0.42% |
IWSZ.L iShares MSCI World Mid-Cap Equal Weight UCITS ETF | 0.00% |
Frequently Asked Questions
IWSZ.L and IUSZ.L have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, IUSZ.L is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.
IUSZ.L is cheaper with a 0.20% expense ratio, compared with 0.30% for IWSZ.L.
IWSZ.L tracks MSCI World Mid-Cap Equal Weighted Index, while IUSZ.L tracks MSCI USA Mid-Cap Equal Weighted Index. Their fees differ too: 0.30% for IWSZ.L and 0.20% for IUSZ.L.
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