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

ISP6.L vs. RTWP.L

Last updated Jun 5, 2026

ISP6.L (iShares S&P SmallCap 600 UCITS ETF) and RTWP.L (L&G Russell 2000 US Small Cap UCITS ETF) are both Small Cap Blend Equities funds tracking the Russell 2000 TR USD, from iShares and Legal & General respectively. Both are passively managed. Over the past 10 years, ISP6.L returned 11.01%/yr vs 12.05%/yr for RTWP.L. Their correlation of 0.83 suggests significant overlap in exposure. ISP6.L charges 0.40%/yr vs 0.30%/yr for RTWP.L.

Performance

ISP6.L vs. RTWP.L - 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 L&G Russell 2000 US Small Cap UCITS ETF (RTWP.L). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, ISP6.L achieves a 15.45% return, which is significantly lower than RTWP.L's 16.93% return. Over the past 10 years, ISP6.L has underperformed RTWP.L with an annualized return of 11.01%, while RTWP.L has yielded a comparatively higher 12.05% 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%

RTWP.L

1D
1.41%
1M
4.16%
YTD
16.93%
6M
15.64%
1Y
36.63%
3Y*
14.81%
5Y*
8.43%
10Y*
12.05%
*Multi-year figures are annualized to reflect compound growth (CAGR)

ISP6.L vs. RTWP.L - 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%
RTWP.L
L&G Russell 2000 US Small Cap UCITS ETF		16.93%3.61%11.18%13.44%-8.94%20.68%15.78%20.59%-7.77%4.46%

Correlation

The correlation between ISP6.L and RTWP.L is 0.94, 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

0.94

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

0.95

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

0.96

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

0.96

Correlation (All Time)
Calculated using the full available price history since Nov 14, 2008

0.83

The correlation between ISP6.L and RTWP.L shifts across timeframes, from 0.83 (all time) to 0.96 (10 years), reflecting how their relationship changes across market environments.

ISP6.L vs. RTWP.L - Sectors Allocation Comparison

Sectors
ISP6.L
RTWP.L

Technology

17.0%
20.0%

Financial Services

16.8%
15.3%

Industrials

15.1%
17.9%

Consumer Cyclical

12.7%
8.6%

Healthcare

11.0%
14.5%

Real Estate

7.6%
5.9%

Energy

5.8%
5.3%

Basic Materials

4.9%
4.6%

Consumer Defensive

3.6%
2.7%

Communication Services

3.5%
2.4%

Utilities

1.9%
2.8%

Technology

ISP6.L
17.0%
RTWP.L
20.0%

Financial Services

ISP6.L
16.8%
RTWP.L
15.3%

Industrials

ISP6.L
15.1%
RTWP.L
17.9%

Consumer Cyclical

ISP6.L
12.7%
RTWP.L
8.6%

Healthcare

ISP6.L
11.0%
RTWP.L
14.5%

Real Estate

ISP6.L
7.6%
RTWP.L
5.9%

Energy

ISP6.L
5.8%
RTWP.L
5.3%

Basic Materials

ISP6.L
4.9%
RTWP.L
4.6%

Consumer Defensive

ISP6.L
3.6%
RTWP.L
2.7%

Communication Services

ISP6.L
3.5%
RTWP.L
2.4%

Utilities

ISP6.L
1.9%
RTWP.L
2.8%

Compare stocks, funds, or ETFs

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iShares S&P SmallCap 600 UCITS ETF

L&G Russell 2000 US Small Cap UCITS 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 RTWP.L:
RTWP.L vs. IWMRTWP.L vs. ^GSPCRTWP.L vs. R2SC.LRTWP.L vs. FESMRTWP.L vs. SPY4.DERTWP.L vs. VWRL.ASRTWP.L vs. AVUV

Return for Risk

ISP6.L vs. RTWP.L — 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
RTWP.L
RTWP.L Risk / Return Rank: 7575
Overall Rank
RTWP.L Sharpe Ratio Rank: 7373
Sharpe Ratio Rank
RTWP.L Sortino Ratio Rank: 7171
Sortino Ratio Rank
RTWP.L Omega Ratio Rank: 6666
Omega Ratio Rank
RTWP.L Calmar Ratio Rank: 8787
Calmar Ratio Rank
RTWP.L Martin Ratio Rank: 7878
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. RTWP.L - 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 L&G Russell 2000 US Small Cap UCITS ETF (RTWP.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.

ISP6.LRTWP.LDifference
Sharpe ratioReturn per unit of total volatility
2.20
2.34

-0.14

Sortino ratioReturn per unit of downside risk
3.03
3.18

-0.15

Omega ratioGain probability vs. loss probability

1.39

1.39

0.00

Calmar ratioReturn relative to maximum drawdown

5.28

4.93

+0.35

Martin ratioReturn relative to average drawdown

15.98

14.84

+1.15

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. RTWP.L - Sharpe Ratio Comparison

The current ISP6.L Sharpe Ratio is 2.20, which is comparable to the RTWP.L Sharpe Ratio of 2.34. The chart below compares the historical Sharpe Ratios of ISP6.L and RTWP.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.

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Sharpe Ratios by Period

ISP6.LRTWP.LDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.20

2.34

-0.14

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.35

0.44

-0.09

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.54

0.59

-0.05

Sharpe Ratio (All Time)

Calculated using the full available price history

0.58

0.70

-0.12

Drawdowns

ISP6.L vs. RTWP.L - Drawdown Comparison

The maximum ISP6.L drawdown since its inception was -39.08%, which is greater than RTWP.L's maximum drawdown of -35.32%. Use the drawdown chart below to compare losses from any high point for ISP6.L and RTWP.L.

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Drawdown Indicators

ISP6.LRTWP.LDifference

Max Drawdown

Largest peak-to-trough decline

-39.08%

-35.32%

-3.76%

Max Drawdown (1Y)

Largest decline over 1 year

-6.45%

-7.40%

+0.95%

Max Drawdown (3Y)

Largest decline over 3 years

-30.26%

-28.77%

-1.49%

Max Drawdown (5Y)

Largest decline over 5 years

-30.26%

-28.77%

-1.49%

Max Drawdown (10Y)

Largest decline over 10 years

-39.08%

-35.32%

-3.76%

Current Drawdown

Current decline from peak

0.00%

0.00%

0.00%

Average Drawdown

Average peak-to-trough decline

-7.53%

-7.05%

-0.48%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.13%

2.46%

-0.33%

Volatility

ISP6.L vs. RTWP.L - Volatility Comparison

The current volatility for iShares S&P SmallCap 600 UCITS ETF (ISP6.L) is 3.96%, while L&G Russell 2000 US Small Cap UCITS ETF (RTWP.L) has a volatility of 4.55%. This indicates that ISP6.L experiences smaller price fluctuations and is considered to be less risky than RTWP.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

ISP6.LRTWP.LDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.96%

4.55%

-0.59%

Volatility (6M)

Calculated over the trailing 6-month period

10.32%

10.96%

-0.64%

Volatility (1Y)

Calculated over the trailing 1-year period

15.51%

15.61%

-0.10%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

19.09%

19.25%

-0.16%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

20.45%

20.40%

+0.05%

ISP6.L vs. RTWP.L - Expense Ratio Comparison

ISP6.L has a 0.40% expense ratio, which is higher than RTWP.L's 0.30% expense ratio.

Dividends

ISP6.L vs. RTWP.L - Dividend Comparison

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

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%
RTWP.L
L&G Russell 2000 US 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

With a correlation of 0.94, ISP6.L and RTWP.L move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

On fees, RTWP.L is cheaper at 0.30% per year. The better choice depends on whether you care most about return, fees, risk, or income.

RTWP.L is cheaper with a 0.30% expense ratio, compared with 0.40% for ISP6.L.

Both ETFs track Russell 2000 TR USD. They also come from different issuers: iShares and Legal & General. Their fees differ too: 0.40% for ISP6.L and 0.30% for RTWP.L.

Portfolio Optimizer

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