RTYS.L vs. WLDS.L

Last updated Jun 4, 2026

RTYS.L (Invesco Russell 2000 UCITS ETF) and WLDS.L (iShares MSCI World Small Cap UCITS ETF) are both Small Cap Blend Equities funds - RTYS.L tracks the Russell 2000 TR USD while WLDS.L tracks the MSCI World Small Cap Inde. Both are passively managed. Over the past 5 years, RTYS.L returned 5.95%/yr vs 6.95%/yr for WLDS.L. Their correlation of 0.91 suggests significant overlap in exposure. RTYS.L charges 0.25%/yr vs 0.35%/yr for WLDS.L.

Performance

RTYS.L vs. WLDS.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Russell 2000 UCITS ETF (RTYS.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

RTYS.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, RTYS.L achieves a 16.53% return, which is significantly higher than WLDS.L's 13.53% return.

RTYS.L

• 1D: -1.07%
• 1M: 3.46%
• YTD: 16.53%
• 6M: 16.96%
• 1Y: 39.75%
• 3Y*: 18.26%
• 5Y*: 5.95%
• 10Y*: 10.67%

WLDS.L

• 1D: -0.46%
• 1M: 3.36%
• YTD: 13.53%
• 6M: 15.51%
• 1Y: 32.23%
• 3Y*: 17.78%
• 5Y*: 6.95%
• 10Y*: —

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

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

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
RTYS.L Invesco Russell 2000 UCITS ETF	16.53%	12.51%	10.09%	18.90%	-21.01%	13.97%	19.89%	24.61%	-11.15%
WLDS.L iShares MSCI World Small Cap UCITS ETF	13.53%	20.30%	6.77%	17.09%	-18.63%	15.66%	15.99%	25.24%	-12.82%

Correlation

The correlation between RTYS.L and WLDS.L is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (All Time) Calculated using the full available price history since Apr 3, 2018	0.91

The correlation between RTYS.L and WLDS.L has been stable across timeframes, ranging from 0.89 to 0.91 - a consistent structural relationship.

RTYS.L vs. WLDS.L - Sectors Allocation Comparison

Sectors	RTYS.L	WLDS.L
Industrials	17.7%	20.5%
Technology	17.0%	15.2%
Healthcare	16.5%	9.5%
Financial Services	15.8%	13.3%
Consumer Cyclical	8.4%	10.6%
Real Estate	6.1%	8.0%
Energy	6.1%	5.0%
Basic Materials	4.8%	8.2%
Utilities	2.9%	2.8%
Communication Services	2.4%	3.0%
Consumer Defensive	2.4%	3.9%

Return for Risk

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

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

RTYS.L

RTYS.L Risk / Return Rank: 66
RTYS.L Sharpe Ratio Rank: 63
RTYS.L Sortino Ratio Rank: 66
RTYS.L Omega Ratio Rank: 58
RTYS.L Calmar Ratio Rank: 75
RTYS.L Martin Ratio Rank: 67

WLDS.L

WLDS.L Risk / Return Rank: 80
WLDS.L Sharpe Ratio Rank: 80
WLDS.L Sortino Ratio Rank: 81
WLDS.L Omega Ratio Rank: 77
WLDS.L Calmar Ratio Rank: 81
WLDS.L Martin Ratio Rank: 80

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.

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

This table presents a comparison of risk-adjusted performance metrics for Invesco Russell 2000 UCITS ETF (RTYS.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.

	RTYS.L	WLDS.L	Difference
Sharpe ratio: Return per unit of total volatility	2.13	2.28	-0.15
Sortino ratio: Return per unit of downside risk	3.03	3.42	-0.38
Omega ratio: Gain probability vs. loss probability	1.36	1.39	-0.04
Calmar ratio: Return relative to maximum drawdown	3.74	3.53	+0.22
Martin ratio: Return relative to average drawdown	12.22	12.90	-0.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

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

The current RTYS.L Sharpe Ratio is 2.13, which is comparable to the WLDS.L Sharpe Ratio of 2.28. The chart below compares the historical Sharpe Ratios of RTYS.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.

Sharpe Ratios by Period

	RTYS.L	WLDS.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.13	2.28	-0.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.27	0.39	-0.12
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.48	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.55	0.47	+0.08

Drawdowns

RTYS.L vs. WLDS.L - Drawdown Comparison

The maximum RTYS.L drawdown since its inception was -42.15%, roughly equal to the maximum WLDS.L drawdown of -40.96%. Use the drawdown chart below to compare losses from any high point for RTYS.L and WLDS.L.

Drawdown Indicators

	RTYS.L	WLDS.L	Difference
Max Drawdown Largest peak-to-trough decline	-42.15%	-40.96%	-1.19%
Max Drawdown (1Y) Largest decline over 1 year	-10.57%	-9.09%	-1.48%
Max Drawdown (3Y) Largest decline over 3 years	-28.71%	-20.03%	-8.68%
Max Drawdown (5Y) Largest decline over 5 years	-31.97%	-30.96%	-1.01%
Max Drawdown (10Y) Largest decline over 10 years	-42.15%	—	—
Current Drawdown Current decline from peak	-1.24%	-0.46%	-0.78%
Average Drawdown Average peak-to-trough decline	-9.15%	-8.83%	-0.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.24%	2.49%	+0.75%

Volatility

RTYS.L vs. WLDS.L - Volatility Comparison

Invesco Russell 2000 UCITS ETF (RTYS.L) has a higher volatility of 6.29% compared to iShares MSCI World Small Cap UCITS ETF (WLDS.L) at 4.04%. This indicates that RTYS.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

	RTYS.L	WLDS.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.29%	4.04%	+2.25%
Volatility (6M) Calculated over the trailing 6-month period	13.46%	10.51%	+2.95%
Volatility (1Y) Calculated over the trailing 1-year period	18.68%	14.08%	+4.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.27%	17.97%	+4.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.16%	19.38%	+2.78%

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

RTYS.L has a 0.25% expense ratio, which is lower than WLDS.L's 0.35% expense ratio.

Dividends

RTYS.L vs. WLDS.L - Dividend Comparison

Neither RTYS.L nor WLDS.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

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

RTYS.L and WLDS.L have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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

On fees, RTYS.L is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.

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

RTYS.L is cheaper with a 0.25% expense ratio, compared with 0.35% for WLDS.L.

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

RTYS.L tracks Russell 2000 TR USD, while WLDS.L tracks MSCI World Small Cap Inde. They also come from different issuers: Invesco and iShares. Their fees differ too: 0.25% for RTYS.L and 0.35% for WLDS.L.