ISP6.L vs. IUSN.DE

Last updated Jun 5, 2026

ISP6.L (iShares S&P SmallCap 600 UCITS ETF) and IUSN.DE (iShares MSCI World Small Cap UCITS ETF) are both exchange-traded funds - ISP6.L is a Small Cap Blend Equities fund tracking the Russell 2000 TR USD, while IUSN.DE is a Global Equities fund tracking the MSCI World Small Cap. Both are passively managed. Over the past 5 years, ISP6.L returned 6.63%/yr vs 8.22%/yr for IUSN.DE. Their correlation of 0.86 suggests significant overlap in exposure. ISP6.L charges 0.40%/yr vs 0.35%/yr for IUSN.DE.

Performance

ISP6.L vs. IUSN.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares S&P SmallCap 600 UCITS ETF (ISP6.L) and iShares MSCI World Small Cap UCITS ETF (IUSN.DE). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

ISP6.L is traded in GBp, while IUSN.DE is traded in EUR. To make them comparable, the IUSN.DE values have been converted to GBp using the latest available exchange rates.

Returns By Period

In the year-to-date period, ISP6.L achieves a 15.45% return, which is significantly higher than IUSN.DE's 13.92% return.

ISP6.L

• 1D: 1.09%
• 1M: 2.81%
• YTD: 15.45%
• 6M: 14.84%
• 1Y: 34.21%
• 3Y*: 12.19%
• 5Y*: 6.63%
• 10Y*: 11.01%

IUSN.DE

• 1D: 0.63%
• 1M: 4.18%
• YTD: 13.92%
• 6M: 14.70%
• 1Y: 33.56%
• 3Y*: 15.12%
• 5Y*: 8.22%
• 10Y*: —

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

ISP6.L vs. IUSN.DE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
ISP6.L iShares S&P SmallCap 600 UCITS ETF	15.45%	-0.91%	8.76%	10.98%	-6.72%	27.86%	6.87%	17.51%	-2.72%
IUSN.DE iShares MSCI World Small Cap UCITS ETF	13.92%	13.43%	8.24%	10.85%	-9.10%	16.44%	11.27%	22.34%	-5.34%

Correlation

The correlation between ISP6.L and IUSN.DE is 0.84, 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	0.84
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (All Time) Calculated using the full available price history since Apr 26, 2018	0.86

The correlation between ISP6.L and IUSN.DE has been stable across timeframes, ranging from 0.84 to 0.88 - a consistent structural relationship.

Return for Risk

ISP6.L vs. IUSN.DE — Risk / Return Rank

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

ISP6.L

ISP6.L Risk / Return Rank: 74
ISP6.L Sharpe Ratio Rank: 68
ISP6.L Sortino Ratio Rank: 67
ISP6.L Omega Ratio Rank: 66
ISP6.L Calmar Ratio Rank: 89
ISP6.L Martin Ratio Rank: 81

IUSN.DE

IUSN.DE Risk / Return Rank: 73
IUSN.DE Sharpe Ratio Rank: 67
IUSN.DE Sortino Ratio Rank: 69
IUSN.DE Omega Ratio Rank: 66
IUSN.DE Calmar Ratio Rank: 81
IUSN.DE 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.

ISP6.L vs. IUSN.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P SmallCap 600 UCITS ETF (ISP6.L) and iShares MSCI World Small Cap UCITS ETF (IUSN.DE). 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.

	ISP6.L	IUSN.DE	Difference
Sharpe ratio: Return per unit of total volatility	2.20	2.55	-0.35
Sortino ratio: Return per unit of downside risk	3.03	3.52	-0.49
Omega ratio: Gain probability vs. loss probability	1.39	1.45	-0.06
Calmar ratio: Return relative to maximum drawdown	5.28	4.20	+1.07
Martin ratio: Return relative to average drawdown	15.98	16.15	-0.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ISP6.L vs. IUSN.DE - Sharpe Ratio Comparison

The current ISP6.L Sharpe Ratio is 2.20, which is comparable to the IUSN.DE Sharpe Ratio of 2.55. The chart below compares the historical Sharpe Ratios of ISP6.L and IUSN.DE, 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

	ISP6.L	IUSN.DE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.20	2.55	-0.35
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.35	0.51	-0.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.54	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.54	+0.03

Drawdowns

ISP6.L vs. IUSN.DE - Drawdown Comparison

The maximum ISP6.L drawdown since its inception was -39.08%, which is greater than IUSN.DE's maximum drawdown of -33.64%. Use the drawdown chart below to compare losses from any high point for ISP6.L and IUSN.DE.

Drawdown Indicators

	ISP6.L	IUSN.DE	Difference
Max Drawdown Largest peak-to-trough decline	-39.08%	-33.64%	-5.44%
Max Drawdown (1Y) Largest decline over 1 year	-6.45%	-7.95%	+1.50%
Max Drawdown (3Y) Largest decline over 3 years	-30.26%	-22.63%	-7.63%
Max Drawdown (5Y) Largest decline over 5 years	-30.26%	-22.63%	-7.63%
Max Drawdown (10Y) Largest decline over 10 years	-39.08%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-7.53%	-6.48%	-1.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.13%	2.07%	+0.06%

Volatility

ISP6.L vs. IUSN.DE - Volatility Comparison

iShares S&P SmallCap 600 UCITS ETF (ISP6.L) has a higher volatility of 3.96% compared to iShares MSCI World Small Cap UCITS ETF (IUSN.DE) at 3.55%. This indicates that ISP6.L's price experiences larger fluctuations and is considered to be riskier than IUSN.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ISP6.L	IUSN.DE	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.96%	3.55%	+0.41%
Volatility (6M) Calculated over the trailing 6-month period	10.32%	9.47%	+0.85%
Volatility (1Y) Calculated over the trailing 1-year period	15.51%	13.12%	+2.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.09%	15.98%	+3.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.45%	17.66%	+2.79%

ISP6.L vs. IUSN.DE - Expense Ratio Comparison

ISP6.L has a 0.40% expense ratio, which is higher than IUSN.DE's 0.35% expense ratio.

Dividends

ISP6.L vs. IUSN.DE - Dividend Comparison

ISP6.L's dividend yield for the trailing twelve months is around 1.02%, while IUSN.DE has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ISP6.L iShares S&P SmallCap 600 UCITS ETF	1.02%	1.22%	1.15%	1.08%	1.00%	0.65%	0.94%	0.97%	0.96%	0.78%	0.77%	0.53%
IUSN.DE 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 ISP6.L and IUSN.DE in my portfolio?

ISP6.L and IUSN.DE have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ISP6.L or IUSN.DE?

On fees, IUSN.DE 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, ISP6.L or IUSN.DE?

IUSN.DE is cheaper with a 0.35% expense ratio, compared with 0.40% for ISP6.L.

What is the main difference between ISP6.L and IUSN.DE?

ISP6.L is categorized as Small Cap Blend Equities, while IUSN.DE is Global Equities. ISP6.L tracks Russell 2000 TR USD, while IUSN.DE tracks MSCI World Small Cap. Their fees differ too: 0.40% for ISP6.L and 0.35% for IUSN.DE.