IDP6.L vs. WLDS.L

Last updated Jul 16, 2026

IDP6.L (iShares S&P Small Cap 600 UCITS ETF USD (Dist)) and WLDS.L (iShares MSCI World Small Cap UCITS ETF) are both Small Cap Blend Equities funds from iShares - IDP6.L tracks the iShares S&P Small Cap 600 UCITS ETF USD (Dist) while WLDS.L tracks the MSCI World Small Cap Index. Both are passively managed. Over the past 5 years, IDP6.L returned 7.17%/yr vs 7.88%/yr for WLDS.L. Their correlation of 0.88 suggests significant overlap in exposure. IDP6.L charges 0.40%/yr vs 0.35%/yr for WLDS.L.

Performance

IDP6.L vs. WLDS.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares S&P Small Cap 600 UCITS ETF USD (Dist) (IDP6.L) and iShares MSCI World Small Cap UCITS ETF (WLDS.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

IDP6.L is traded in USD, while WLDS.L is traded in GBP. To make them comparable, the WLDS.L values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, IDP6.L achieves a 19.44% return, which is significantly higher than WLDS.L's 14.74% return.

IDP6.L

• 1D: -0.60%
• 1M: 1.24%
• 6M: 14.55%
• YTD: 19.44%
• 1Y: 30.44%
• 3Y*: 13.63%
• 5Y*: 7.17%
• 10Y*: 10.14%

WLDS.L

• 1D: 0.49%
• 1M: -1.02%
• 6M: 9.68%
• YTD: 14.74%
• 1Y: 27.06%
• 3Y*: 16.00%
• 5Y*: 7.88%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

IDP6.L vs. WLDS.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
IDP6.L iShares S&P Small Cap 600 UCITS ETF USD (Dist)	19.44%	6.28%	7.11%	17.37%	-16.73%	26.35%	10.58%	21.32%	-8.18%
WLDS.L iShares MSCI World Small Cap UCITS ETF	14.74%	20.19%	6.82%	17.13%	-18.63%	15.66%	15.99%	25.24%	-37.96%

Correlation

The correlation between IDP6.L and WLDS.L is 0.87, 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	0.87
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (All Time) Calculated using the full available price history since Mar 27, 2018	0.88

The correlation between IDP6.L and WLDS.L has been stable across timeframes, ranging from 0.87 to 0.89 - a consistent structural relationship.

Return for Risk

IDP6.L vs. WLDS.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

IDP6.L

IDP6.L Risk / Return Rank: 79
IDP6.L Sharpe Ratio Rank: 77
IDP6.L Sortino Ratio Rank: 82
IDP6.L Omega Ratio Rank: 73
IDP6.L Calmar Ratio Rank: 86
IDP6.L Martin Ratio Rank: 80

WLDS.L

WLDS.L Risk / Return Rank: 77
WLDS.L Sharpe Ratio Rank: 76
WLDS.L Sortino Ratio Rank: 78
WLDS.L Omega Ratio Rank: 73
WLDS.L Calmar Ratio Rank: 78
WLDS.L Martin Ratio Rank: 79

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

IDP6.L vs. WLDS.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P Small Cap 600 UCITS ETF USD (Dist) (IDP6.L) and iShares MSCI World Small Cap UCITS ETF (WLDS.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.

	IDP6.L	WLDS.L	Difference
Sharpe ratio: Return per unit of total volatility	1.96	1.83	+0.12
Sortino ratio: Return per unit of downside risk	2.93	2.77	+0.16
Omega ratio: Gain probability vs. loss probability	1.34	1.32	+0.03
Calmar ratio: Return relative to maximum drawdown	3.80	2.94	+0.86
Martin ratio: Return relative to average drawdown	12.09	10.61	+1.48

IDP6.L vs. WLDS.L - Sharpe Ratio Comparison

The current IDP6.L Sharpe Ratio is 1.96, which is comparable to the WLDS.L Sharpe Ratio of 1.83. The chart below compares the historical Sharpe Ratios of IDP6.L and WLDS.L, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

IDP6.L vs. WLDS.L - Drawdown Comparison

The maximum IDP6.L drawdown since its inception was -52.21%, roughly equal to the maximum WLDS.L drawdown of -53.62%. Use the drawdown chart below to compare losses from any high point for IDP6.L and WLDS.L.

Drawdown Indicators

	IDP6.L	WLDS.L	Difference
Max Drawdown Largest peak-to-trough decline	-52.21%	-53.62%	+1.41%
Max Drawdown (1Y) Largest decline over 1 year	-8.66%	-9.16%	+0.50%
Max Drawdown (3Y) Largest decline over 3 years	-28.99%	-20.00%	-8.99%
Max Drawdown (5Y) Largest decline over 5 years	-28.99%	-30.96%	+1.97%
Max Drawdown (10Y) Largest decline over 10 years	-45.49%	—	—
Current Drawdown Current decline from peak	-2.42%	-1.50%	-0.92%
Average Drawdown Average peak-to-trough decline	-9.38%	-15.76%	+6.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.73%	2.55%	+0.18%

Volatility

IDP6.L vs. WLDS.L - Volatility Comparison

iShares S&P Small Cap 600 UCITS ETF USD (Dist) (IDP6.L) has a higher volatility of 4.36% compared to iShares MSCI World Small Cap UCITS ETF (WLDS.L) at 4.15%. This indicates that IDP6.L's price experiences larger fluctuations and is considered to be riskier than WLDS.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IDP6.L	WLDS.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.36%	4.15%	+0.21%
Volatility (6M) Calculated over the trailing 6-month period	12.06%	11.43%	+0.63%
Volatility (1Y) Calculated over the trailing 1-year period	16.95%	14.70%	+2.25%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.13%	22.22%	-1.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.67%	23.98%	-2.31%

IDP6.L vs. WLDS.L - Expense Ratio Comparison

IDP6.L has a 0.40% expense ratio, which is higher than WLDS.L's 0.35% expense ratio.

Dividends

IDP6.L vs. WLDS.L - Dividend Comparison

IDP6.L's dividend yield for the trailing twelve months is around 1.01%, while WLDS.L has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IDP6.L iShares S&P Small Cap 600 UCITS ETF USD (Dist)	1.01%	1.16%	1.18%	1.07%	1.06%	0.66%	0.88%	0.94%	1.01%	0.72%	0.87%	0.56%
WLDS.L iShares MSCI World Small Cap UCITS ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both IDP6.L and WLDS.L in my portfolio?

IDP6.L and WLDS.L have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, IDP6.L or WLDS.L?

On fees, WLDS.L is cheaper at 0.35% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IDP6.L or WLDS.L?

WLDS.L is cheaper with a 0.35% expense ratio, compared with 0.40% for IDP6.L.

What is the main difference between IDP6.L and WLDS.L?

IDP6.L tracks iShares S&P Small Cap 600 UCITS ETF USD (Dist), while WLDS.L tracks MSCI World Small Cap Index. Their fees differ too: 0.40% for IDP6.L and 0.35% for WLDS.L.