WLDS.L vs. IWDA.AS
WLDS.L (iShares MSCI World Small Cap UCITS ETF) and IWDA.AS (iShares Core MSCI World UCITS ETF USD (Acc)) are both exchange-traded funds - WLDS.L is a Small Cap Blend Equities fund tracking the MSCI World Small Cap Inde, while IWDA.AS is a Global Equities fund tracking the MSCI World Index. Both are passively managed. Over the past 5 years, WLDS.L returned 8.13%/yr vs 12.59%/yr for IWDA.AS. Their correlation of 0.80 suggests significant overlap in exposure. WLDS.L charges 0.35%/yr vs 0.20%/yr for IWDA.AS.
Performance
WLDS.L vs. IWDA.AS - Performance Comparison
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Different Trading Currencies
WLDS.L is traded in GBP, while IWDA.AS is traded in EUR. To make them comparable, the IWDA.AS values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, WLDS.L achieves a 15.41% return, which is significantly higher than IWDA.AS's 8.99% return.
WLDS.L
- 1D
- 2.23%
- 1M
- 3.59%
- YTD
- 15.41%
- 6M
- 14.39%
- 1Y
- 34.08%
- 3Y*
- 14.50%
- 5Y*
- 8.13%
- 10Y*
- —
IWDA.AS
- 1D
- 1.57%
- 1M
- 0.37%
- YTD
- 8.99%
- 6M
- 9.44%
- 1Y
- 25.45%
- 3Y*
- 17.07%
- 5Y*
- 12.59%
- 10Y*
- 13.92%
WLDS.L vs. IWDA.AS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
WLDS.L iShares MSCI World Small Cap UCITS ETF | 15.41% | 11.75% | 8.63% | 11.26% | -8.89% | 16.71% | 12.54% | 20.41% | -31.05% |
IWDA.AS iShares Core MSCI World UCITS ETF USD (Acc) | 8.99% | 12.81% | 21.44% | 17.50% | -9.07% | 24.68% | 12.21% | 22.23% | 4.51% |
Correlation
The correlation between WLDS.L and IWDA.AS is 0.77, 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 | 0.77 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.75 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.79 |
Correlation (All Time) Calculated using the full available price history since Mar 27, 2018 | 0.80 |
The correlation between WLDS.L and IWDA.AS has been stable across timeframes, ranging from 0.75 to 0.80 - a consistent structural relationship.
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Return for Risk
WLDS.L vs. IWDA.AS — Risk / Return Rank
WLDS.L
IWDA.AS
WLDS.L vs. IWDA.AS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares MSCI World Small Cap UCITS ETF (WLDS.L) and iShares Core MSCI World UCITS ETF USD (Acc) (IWDA.AS). 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.
| WLDS.L | IWDA.AS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.25 | ||
| Sortino ratioReturn per unit of downside risk | +0.40 | ||
| Omega ratioGain probability vs. loss probability | 1.46 | 1.43 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 4.23 | 3.84 | +0.39 |
| Martin ratioReturn relative to average drawdown | 15.95 | 14.72 | +1.23 |
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Drawdowns
WLDS.L vs. IWDA.AS - Drawdown Comparison
The maximum WLDS.L drawdown since its inception was -43.18%, which is greater than IWDA.AS's maximum drawdown of -26.21%. Use the drawdown chart below to compare losses from any high point for WLDS.L and IWDA.AS.
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Drawdown Indicators
| WLDS.L | IWDA.AS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.18% | -26.21% | -16.97% |
Max Drawdown (1Y)Largest decline over 1 year | -7.86% | -6.46% | -1.40% |
Max Drawdown (3Y)Largest decline over 3 years | -21.53% | -19.59% | -1.94% |
Max Drawdown (5Y)Largest decline over 5 years | -21.53% | -19.59% | -1.94% |
Max Drawdown (10Y)Largest decline over 10 years | — | -26.21% | — |
Current DrawdownCurrent decline from peak | 0.00% | -1.28% | +1.28% |
Average DrawdownAverage peak-to-trough decline | -12.28% | -3.61% | -8.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.09% | 1.70% | +0.39% |
Volatility
WLDS.L vs. IWDA.AS - Volatility Comparison
iShares MSCI World Small Cap UCITS ETF (WLDS.L) has a higher volatility of 4.13% compared to iShares Core MSCI World UCITS ETF USD (Acc) (IWDA.AS) at 3.09%. This indicates that WLDS.L's price experiences larger fluctuations and is considered to be riskier than IWDA.AS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WLDS.L | IWDA.AS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.13% | 3.09% | +1.04% |
Volatility (6M)Calculated over the trailing 6-month period | 9.74% | 7.78% | +1.96% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.93% | 10.67% | +2.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.30% | 13.69% | +6.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.45% | 14.84% | +7.61% |
WLDS.L vs. IWDA.AS - Expense Ratio Comparison
WLDS.L has a 0.35% expense ratio, which is higher than IWDA.AS's 0.20% expense ratio.
Dividends
WLDS.L vs. IWDA.AS - Dividend Comparison
Neither WLDS.L nor IWDA.AS has paid dividends to shareholders.
Frequently Asked Questions
WLDS.L and IWDA.AS have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, IWDA.AS is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.
IWDA.AS is cheaper with a 0.20% expense ratio, compared with 0.35% for WLDS.L.
WLDS.L is categorized as Small Cap Blend Equities, while IWDA.AS is Global Equities. WLDS.L tracks MSCI World Small Cap Inde, while IWDA.AS tracks MSCI World Index. Their fees differ too: 0.35% for WLDS.L and 0.20% for IWDA.AS.
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