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ISP6.L vs. VBK
Performance
Return for Risk
Drawdowns
Volatility
Dividends

ISP6.L vs. VBK

Last updated Jun 5, 2026

ISP6.L (iShares S&P SmallCap 600 UCITS ETF) and VBK (Vanguard Small-Cap Growth ETF) are both exchange-traded funds - ISP6.L is a Small Cap Blend Equities fund tracking the Russell 2000 TR USD, while VBK is a Small Cap Growth Equities fund tracking the CRSP US Small Cap Growth Index. Both are passively managed. Over the past 10 years, ISP6.L returned 11.01%/yr vs 12.54%/yr for VBK. A 0.53 correlation means they provide meaningful diversification when combined. ISP6.L charges 0.40%/yr vs 0.05%/yr for VBK.

Performance

ISP6.L vs. VBK - 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 Vanguard Small-Cap Growth ETF (VBK). The values are adjusted to include any dividend payments, if applicable.

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Different Trading Currencies

ISP6.L is traded in GBp, while VBK is traded in USD. To make them comparable, the VBK 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 lower than VBK's 18.62% return. Over the past 10 years, ISP6.L has underperformed VBK with an annualized return of 11.01%, while VBK has yielded a comparatively higher 12.54% annualized 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%

VBK

1D
0.62%
1M
5.28%
YTD
18.62%
6M
15.64%
1Y
34.38%
3Y*
15.31%
5Y*
6.96%
10Y*
12.54%
*Multi-year figures are annualized to reflect compound growth (CAGR)

ISP6.L vs. VBK - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
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%-4.56%3.05%
VBK
Vanguard Small-Cap Growth ETF		18.62%0.77%18.54%15.38%-19.93%6.66%31.46%27.70%-0.10%11.33%

Correlation

The correlation between ISP6.L and VBK is 0.58, 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

0.58

Correlation (3Y)
Calculated over the trailing 3-year period

0.58

Correlation (5Y)
Calculated over the trailing 5-year period

0.54

Correlation (10Y)
Calculated over the trailing 10-year period

0.55

Correlation (All Time)
Calculated using the full available price history since May 13, 2008

0.53

The correlation between ISP6.L and VBK has been stable across timeframes, ranging from 0.53 to 0.58 - a consistent structural relationship.

ISP6.L vs. VBK - Sectors Allocation Comparison

Sectors
ISP6.L
VBK

Technology

17.0%
25.9%

Financial Services

16.8%
5.6%

Industrials

15.1%
24.7%

Consumer Cyclical

12.7%
9.6%

Healthcare

11.0%
15.3%

Real Estate

7.6%
3.9%

Energy

5.8%
4.8%

Basic Materials

4.9%
3.2%

Consumer Defensive

3.6%
2.4%

Communication Services

3.5%
3.5%

Utilities

1.9%
1.2%

Technology

ISP6.L
17.0%
VBK
25.9%

Financial Services

ISP6.L
16.8%
VBK
5.6%

Industrials

ISP6.L
15.1%
VBK
24.7%

Consumer Cyclical

ISP6.L
12.7%
VBK
9.6%

Healthcare

ISP6.L
11.0%
VBK
15.3%

Real Estate

ISP6.L
7.6%
VBK
3.9%

Energy

ISP6.L
5.8%
VBK
4.8%

Basic Materials

ISP6.L
4.9%
VBK
3.2%

Consumer Defensive

ISP6.L
3.6%
VBK
2.4%

Communication Services

ISP6.L
3.5%
VBK
3.5%

Utilities

ISP6.L
1.9%
VBK
1.2%

Compare stocks, funds, or ETFs

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

iShares S&P SmallCap 600 UCITS ETF

Vanguard Small-Cap Growth ETF

Often compared with ISP6.L:
ISP6.L vs. IJRISP6.L vs. IEEM.LISP6.L vs. USSC.LISP6.L vs. IWMISP6.L vs. CSPX.ASISP6.L vs. VIGISP6.L vs. VOO
Often compared with VBK:
VBK vs. VBVBK vs. VBRVBK vs. AVUVVBK vs. VOOVBK vs. IJRVBK vs. SCHAVBK vs. VIOG

Return for Risk

ISP6.L vs. VBK — 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: 7474
Overall Rank
ISP6.L Sharpe Ratio Rank: 6868
Sharpe Ratio Rank
ISP6.L Sortino Ratio Rank: 6767
Sortino Ratio Rank
ISP6.L Omega Ratio Rank: 6666
Omega Ratio Rank
ISP6.L Calmar Ratio Rank: 8989
Calmar Ratio Rank
ISP6.L Martin Ratio Rank: 8181
Martin Ratio Rank
VBK
VBK Risk / Return Rank: 5454
Overall Rank
VBK Sharpe Ratio Rank: 5151
Sharpe Ratio Rank
VBK Sortino Ratio Rank: 5050
Sortino Ratio Rank
VBK Omega Ratio Rank: 4747
Omega Ratio Rank
VBK Calmar Ratio Rank: 6060
Calmar Ratio Rank
VBK Martin Ratio Rank: 6363
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.

ISP6.L vs. VBK - 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 Vanguard Small-Cap Growth ETF (VBK). 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.LVBKDifference
Sharpe ratioReturn per unit of total volatility
2.20
1.91

+0.29

Sortino ratioReturn per unit of downside risk
3.03
2.58

+0.46

Omega ratioGain probability vs. loss probability

1.39

1.32

+0.07

Calmar ratioReturn relative to maximum drawdown

5.28

3.64

+1.64

Martin ratioReturn relative to average drawdown

15.98

12.52

+3.47

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. VBK - Sharpe Ratio Comparison

The current ISP6.L Sharpe Ratio is 2.20, which is comparable to the VBK Sharpe Ratio of 1.91. The chart below compares the historical Sharpe Ratios of ISP6.L and VBK, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

ISP6.LVBKDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.20

1.91

+0.29

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.35

0.32

+0.03

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.54

0.56

-0.03

Sharpe Ratio (All Time)

Calculated using the full available price history

0.58

0.50

+0.07

Drawdowns

ISP6.L vs. VBK - Drawdown Comparison

The maximum ISP6.L drawdown since its inception was -39.08%, roughly equal to the maximum VBK drawdown of -40.67%. Use the drawdown chart below to compare losses from any high point for ISP6.L and VBK.

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Drawdown Indicators

ISP6.LVBKDifference

Max Drawdown

Largest peak-to-trough decline

-39.08%

-40.67%

+1.59%

Max Drawdown (1Y)

Largest decline over 1 year

-6.45%

-9.49%

+3.04%

Max Drawdown (3Y)

Largest decline over 3 years

-30.26%

-28.15%

-2.11%

Max Drawdown (5Y)

Largest decline over 5 years

-30.26%

-32.35%

+2.09%

Max Drawdown (10Y)

Largest decline over 10 years

-39.08%

-33.54%

-5.54%

Current Drawdown

Current decline from peak

0.00%

-0.09%

+0.09%

Average Drawdown

Average peak-to-trough decline

-7.53%

-8.54%

+1.01%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.13%

2.75%

-0.62%

Volatility

ISP6.L vs. VBK - Volatility Comparison

The current volatility for iShares S&P SmallCap 600 UCITS ETF (ISP6.L) is 3.96%, while Vanguard Small-Cap Growth ETF (VBK) has a volatility of 4.86%. This indicates that ISP6.L experiences smaller price fluctuations and is considered to be less risky than VBK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

ISP6.LVBKDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.96%

4.86%

-0.90%

Volatility (6M)

Calculated over the trailing 6-month period

10.32%

13.46%

-3.14%

Volatility (1Y)

Calculated over the trailing 1-year period

15.51%

18.09%

-2.58%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

19.09%

21.92%

-2.83%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

20.45%

22.35%

-1.90%

ISP6.L vs. VBK - Expense Ratio Comparison

ISP6.L has a 0.40% expense ratio, which is higher than VBK's 0.05% expense ratio.

Dividends

ISP6.L vs. VBK - Dividend Comparison

ISP6.L's dividend yield for the trailing twelve months is around 1.02%, more than VBK's 0.44% yield.

PositionTTM20252024202320222021202020192018201720162015
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%
VBK
Vanguard Small-Cap Growth ETF		0.44%0.54%0.54%0.68%0.55%0.36%0.44%0.57%0.79%0.82%1.08%0.98%

Frequently Asked Questions

ISP6.L and VBK have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, VBK is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

VBK is cheaper with a 0.05% expense ratio, compared with 0.40% for ISP6.L.

ISP6.L is categorized as Small Cap Blend Equities, while VBK is Small Cap Growth Equities. ISP6.L tracks Russell 2000 TR USD, while VBK tracks CRSP US Small Cap Growth Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.40% for ISP6.L and 0.05% for VBK.

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