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VSS vs. IUSN.DE
Performance
Return for Risk
Dividends
Drawdowns
Volatility

VSS vs. IUSN.DE

Last updated Apr 2, 2026

Compare and contrast key facts about Vanguard FTSE All-World ex-US Small-Cap ETF (VSS) and iShares MSCI World Small Cap UCITS ETF (IUSN.DE).

VSS and IUSN.DE are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. VSS is a passively managed fund by Vanguard that tracks the performance of the FTSE Global Small Cap ex US Index. It was launched on Apr 2, 2009. IUSN.DE is a passively managed fund by iShares that tracks the performance of the MSCI World Small Cap. It was launched on Mar 27, 2018. Both VSS and IUSN.DE are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

VSS vs. IUSN.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard FTSE All-World ex-US Small-Cap ETF (VSS) and iShares MSCI World Small Cap UCITS ETF (IUSN.DE). The values are adjusted to include any dividend payments, if applicable.

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VSS vs. IUSN.DE - Yearly Performance Comparison

2026 (YTD)20252024202320222021202020192018
VSS
Vanguard FTSE All-World ex-US Small-Cap ETF		3.27%29.61%2.94%15.52%-21.48%13.05%11.81%21.36%-18.41%
IUSN.DE
iShares MSCI World Small Cap UCITS ETF		2.80%21.72%6.70%16.68%-18.57%15.40%15.62%26.33%-13.70%
Different Trading Currencies

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

Returns By Period

In the year-to-date period, VSS achieves a 3.27% return, which is significantly higher than IUSN.DE's 2.80% return.

VSS

1D
1.52%
1M
-6.14%
YTD
3.27%
6M
5.96%
1Y
32.12%
3Y*
14.42%
5Y*
5.70%
10Y*
7.80%

IUSN.DE

1D
3.01%
1M
-4.43%
YTD
2.80%
6M
6.59%
1Y
28.71%
3Y*
14.31%
5Y*
5.82%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Vanguard FTSE All-World ex-US Small-Cap ETF

iShares MSCI World Small Cap UCITS ETF

Often compared with VSS:
VSS vs. AVDVVSS vs. VEUVSS vs. VXUSVSS vs. SCHCVSS vs. SCZVSS vs. VWOVSS vs. VOO
Often compared with IUSN.DE:
IUSN.DE vs. VWCE.DEIUSN.DE vs. ZPRV.DEIUSN.DE vs. ZPRS.DEIUSN.DE vs. EUNL.DEIUSN.DE vs. XSX6.DEIUSN.DE vs. VUAA.LIUSN.DE vs. ^GSPC

VSS vs. IUSN.DE - Expense Ratio Comparison

VSS has a 0.07% expense ratio, which is lower than IUSN.DE's 0.35% expense ratio.

IUSN.DE
iShares MSCI World Small Cap UCITS ETF
VSS
Vanguard FTSE All-World ex-US Small-Cap ETF

Return for Risk

VSS vs. IUSN.DE — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
VSS
VSS Risk / Return Rank: 8989
Overall Rank
VSS Sharpe Ratio Rank: 8989
Sharpe Ratio Rank
VSS Sortino Ratio Rank: 9090
Sortino Ratio Rank
VSS Omega Ratio Rank: 9191
Omega Ratio Rank
VSS Calmar Ratio Rank: 8787
Calmar Ratio Rank
VSS Martin Ratio Rank: 8787
Martin Ratio Rank
IUSN.DE
IUSN.DE Risk / Return Rank: 6767
Overall Rank
IUSN.DE Sharpe Ratio Rank: 6161
Sharpe Ratio Rank
IUSN.DE Sortino Ratio Rank: 5757
Sortino Ratio Rank
IUSN.DE Omega Ratio Rank: 5858
Omega Ratio Rank
IUSN.DE Calmar Ratio Rank: 7878
Calmar Ratio Rank
IUSN.DE Martin Ratio Rank: 7979
Martin Ratio Rank
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.

VSS vs. IUSN.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard FTSE All-World ex-US Small-Cap ETF (VSS) 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.

VSSIUSN.DEDifference

Sharpe ratio

Return per unit of total volatility

1.97

1.58

+0.39

Sortino ratio

Return per unit of downside risk

2.61

2.16

+0.45

Omega ratio

Gain probability vs. loss probability

1.40

1.30

+0.10

Calmar ratio

Return relative to maximum drawdown

2.80

2.86

-0.06

Martin ratio

Return relative to average drawdown

10.97

10.80

+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.

VSS vs. IUSN.DE - Sharpe Ratio Comparison

The current VSS Sharpe Ratio is 1.97, which is comparable to the IUSN.DE Sharpe Ratio of 1.58. The chart below compares the historical Sharpe Ratios of VSS and IUSN.DE, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

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Sharpe Ratios by Period

VSSIUSN.DEDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.97

1.58

+0.39

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.35

0.31

+0.04

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.46

—

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.53

0.40

+0.12

Correlation

The correlation between VSS and IUSN.DE is 0.70, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

VSS vs. IUSN.DE - Dividend Comparison

VSS's dividend yield for the trailing twelve months is around 3.28%, while IUSN.DE has not paid dividends to shareholders.

TTM20252024202320222021202020192018201720162015
VSS
Vanguard FTSE All-World ex-US Small-Cap ETF		3.28%3.39%3.44%3.14%2.30%2.74%1.90%3.25%2.80%2.83%2.93%2.66%
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%

Drawdowns

VSS vs. IUSN.DE - Drawdown Comparison

The maximum VSS drawdown since its inception was -43.51%, which is greater than IUSN.DE's maximum drawdown of -41.14%. Use the drawdown chart below to compare losses from any high point for VSS and IUSN.DE.

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Drawdown Indicators

VSSIUSN.DEDifference

Max Drawdown

Largest peak-to-trough decline

-43.51%

-40.23%

-3.28%

Max Drawdown (1Y)

Largest decline over 1 year

-11.62%

-14.08%

+2.46%

Max Drawdown (5Y)

Largest decline over 5 years

-33.93%

-24.32%

-9.61%

Max Drawdown (10Y)

Largest decline over 10 years

-43.51%

—

—

Current Drawdown

Current decline from peak

-7.52%

-3.89%

-3.63%

Average Drawdown

Average peak-to-trough decline

-9.72%

-7.16%

-2.56%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.97%

2.18%

+0.79%

Volatility

VSS vs. IUSN.DE - Volatility Comparison

Vanguard FTSE All-World ex-US Small-Cap ETF (VSS) has a higher volatility of 7.00% compared to iShares MSCI World Small Cap UCITS ETF (IUSN.DE) at 5.97%. This indicates that VSS'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.

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Volatility by Period

VSSIUSN.DEDifference

Volatility (1M)

Calculated over the trailing 1-month period

7.00%

5.97%

+1.03%

Volatility (6M)

Calculated over the trailing 6-month period

11.10%

10.75%

+0.35%

Volatility (1Y)

Calculated over the trailing 1-year period

16.40%

18.15%

-1.75%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.26%

18.29%

-2.03%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.17%

19.69%

-2.52%