PortfoliosLab logoPortfoliosLab logo

Documentation

Upgrade your plan
IWFS.L vs. SBUY.L
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IWFS.L vs. SBUY.L

Last updated Jun 5, 2026

IWFS.L (iShares Edge MSCI World Size Factor UCITS ETF) and SBUY.L (Invesco Global Buyback Achievers UCITS ETF) are both Global Equities funds tracking the MSCI ACWI NR USD, from iShares and Invesco respectively. Both are passively managed. Over the past 10 years, IWFS.L returned 9.00%/yr vs 13.06%/yr for SBUY.L. Their correlation of 0.90 suggests significant overlap in exposure. IWFS.L charges 0.30%/yr vs 0.39%/yr for SBUY.L.

Performance

IWFS.L vs. SBUY.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares Edge MSCI World Size Factor UCITS ETF (IWFS.L) and Invesco Global Buyback Achievers UCITS ETF (SBUY.L). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Returns By Period

The year-to-date returns for both investments are quite close, with IWFS.L having a 6.39% return and SBUY.L slightly higher at 6.48%. Over the past 10 years, IWFS.L has underperformed SBUY.L with an annualized return of 9.00%, while SBUY.L has yielded a comparatively higher 13.06% annualized return.

IWFS.L

1D
0.39%
1M
2.27%
YTD
6.39%
6M
7.47%
1Y
18.20%
3Y*
11.67%
5Y*
6.56%
10Y*
9.00%

SBUY.L

1D
0.89%
1M
1.68%
YTD
6.48%
6M
8.35%
1Y
25.27%
3Y*
18.63%
5Y*
10.96%
10Y*
13.06%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IWFS.L vs. SBUY.L - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IWFS.L
iShares Edge MSCI World Size Factor UCITS ETF		6.39%13.13%7.64%9.74%-8.21%13.88%7.33%19.31%-9.50%13.28%
SBUY.L
Invesco Global Buyback Achievers UCITS ETF		6.48%21.60%14.64%9.46%-0.90%21.36%8.43%25.36%-9.32%10.44%

Correlation

The correlation between IWFS.L and SBUY.L is 0.76, 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

0.76

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

0.81

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

0.85

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

0.89

Correlation (All Time)
Calculated using the full available price history since Oct 30, 2014

0.90

The correlation between IWFS.L and SBUY.L shifts across timeframes, from 0.76 (1 year) to 0.90 (all time), reflecting how their relationship changes across market environments.

IWFS.L vs. SBUY.L - Sectors Allocation Comparison

Sectors
IWFS.L
SBUY.L

Industrials

21.4%
11.0%

Financial Services

14.2%
32.9%

Technology

12.0%
7.6%

Consumer Cyclical

9.7%
15.8%

Healthcare

7.4%
5.5%

Basic Materials

7.1%
1.4%

Real Estate

6.9%
0.5%

Consumer Defensive

6.6%
1.9%

Utilities

6.3%
2.2%

Communication Services

4.8%
4.1%

Energy

3.5%
17.1%

Industrials

IWFS.L
21.4%
SBUY.L
11.0%

Financial Services

IWFS.L
14.2%
SBUY.L
32.9%

Technology

IWFS.L
12.0%
SBUY.L
7.6%

Consumer Cyclical

IWFS.L
9.7%
SBUY.L
15.8%

Healthcare

IWFS.L
7.4%
SBUY.L
5.5%

Basic Materials

IWFS.L
7.1%
SBUY.L
1.4%

Real Estate

IWFS.L
6.9%
SBUY.L
0.5%

Consumer Defensive

IWFS.L
6.6%
SBUY.L
1.9%

Utilities

IWFS.L
6.3%
SBUY.L
2.2%

Communication Services

IWFS.L
4.8%
SBUY.L
4.1%

Energy

IWFS.L
3.5%
SBUY.L
17.1%

Compare stocks, funds, or ETFs

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

iShares Edge MSCI World Size Factor UCITS ETF

Invesco Global Buyback Achievers UCITS ETF

Often compared with IWFS.L:
IWFS.L vs. URTHIWFS.L vs. EQQQ.LIWFS.L vs. VOOIWFS.L vs. XDEQ.LIWFS.L vs. VEAIWFS.L vs. IWFV.LIWFS.L vs. XLKQ.L
Often compared with SBUY.L:
SBUY.L vs. XDWI.LSBUY.L vs. BUYB.LSBUY.L vs. BYBG.LSBUY.L vs. PKWSBUY.L vs. QQQSBUY.L vs. SPYSBUY.L vs. VMO.TO

Return for Risk

IWFS.L vs. SBUY.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IWFS.L
IWFS.L Risk / Return Rank: 5050
Overall Rank
IWFS.L Sharpe Ratio Rank: 5353
Sharpe Ratio Rank
IWFS.L Sortino Ratio Rank: 5252
Sortino Ratio Rank
IWFS.L Omega Ratio Rank: 5252
Omega Ratio Rank
IWFS.L Calmar Ratio Rank: 4444
Calmar Ratio Rank
IWFS.L Martin Ratio Rank: 4747
Martin Ratio Rank
SBUY.L
SBUY.L Risk / Return Rank: 8282
Overall Rank
SBUY.L Sharpe Ratio Rank: 8080
Sharpe Ratio Rank
SBUY.L Sortino Ratio Rank: 8080
Sortino Ratio Rank
SBUY.L Omega Ratio Rank: 7878
Omega Ratio Rank
SBUY.L Calmar Ratio Rank: 8989
Calmar Ratio Rank
SBUY.L Martin Ratio Rank: 8484
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.

IWFS.L vs. SBUY.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Edge MSCI World Size Factor UCITS ETF (IWFS.L) and Invesco Global Buyback Achievers UCITS ETF (SBUY.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.

IWFS.LSBUY.LDifference
Sharpe ratioReturn per unit of total volatility
1.77
2.57

-0.79

Sortino ratioReturn per unit of downside risk
2.49
3.53

-1.04

Omega ratioGain probability vs. loss probability

1.32

1.46

-0.14

Calmar ratioReturn relative to maximum drawdown

2.18

5.25

-3.07

Martin ratioReturn relative to average drawdown

7.72

16.93

-9.21

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IWFS.L vs. SBUY.L - Sharpe Ratio Comparison

The current IWFS.L Sharpe Ratio is 1.77, which is lower than the SBUY.L Sharpe Ratio of 2.57. The chart below compares the historical Sharpe Ratios of IWFS.L and SBUY.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.

Loading charts...

Sharpe Ratios by Period

IWFS.LSBUY.LDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.77

2.57

-0.79

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.51

0.80

-0.29

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.63

0.85

-0.22

Sharpe Ratio (All Time)

Calculated using the full available price history

0.63

0.84

-0.21

Drawdowns

IWFS.L vs. SBUY.L - Drawdown Comparison

The maximum IWFS.L drawdown since its inception was -29.90%, roughly equal to the maximum SBUY.L drawdown of -30.91%. Use the drawdown chart below to compare losses from any high point for IWFS.L and SBUY.L.

Loading charts...

Drawdown Indicators

IWFS.LSBUY.LDifference

Max Drawdown

Largest peak-to-trough decline

-29.90%

-30.91%

+1.01%

Max Drawdown (1Y)

Largest decline over 1 year

-8.31%

-4.79%

-3.52%

Max Drawdown (3Y)

Largest decline over 3 years

-14.42%

-17.76%

+3.34%

Max Drawdown (5Y)

Largest decline over 5 years

-17.33%

-17.76%

+0.43%

Max Drawdown (10Y)

Largest decline over 10 years

-29.90%

-30.91%

+1.01%

Current Drawdown

Current decline from peak

-0.80%

0.00%

-0.80%

Average Drawdown

Average peak-to-trough decline

-4.67%

-3.99%

-0.68%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.35%

1.49%

+0.86%

Volatility

IWFS.L vs. SBUY.L - Volatility Comparison

iShares Edge MSCI World Size Factor UCITS ETF (IWFS.L) has a higher volatility of 2.53% compared to Invesco Global Buyback Achievers UCITS ETF (SBUY.L) at 2.32%. This indicates that IWFS.L's price experiences larger fluctuations and is considered to be riskier than SBUY.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Loading charts...

Volatility by Period

IWFS.LSBUY.LDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.53%

2.32%

+0.21%

Volatility (6M)

Calculated over the trailing 6-month period

7.92%

7.04%

+0.88%

Volatility (1Y)

Calculated over the trailing 1-year period

10.23%

9.81%

+0.42%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

12.96%

13.73%

-0.77%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

14.39%

15.51%

-1.12%

IWFS.L vs. SBUY.L - Expense Ratio Comparison

IWFS.L has a 0.30% expense ratio, which is lower than SBUY.L's 0.39% expense ratio.

Dividends

IWFS.L vs. SBUY.L - Dividend Comparison

IWFS.L has not paid dividends to shareholders, while SBUY.L's dividend yield for the trailing twelve months is around 1.69%.

PositionTTM20252024202320222021202020192018201720162015
IWFS.L
iShares Edge MSCI World Size Factor 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%
SBUY.L
Invesco Global Buyback Achievers UCITS ETF		1.69%1.86%1.80%1.73%1.91%1.20%1.62%1.90%1.31%1.22%1.60%1.27%

Frequently Asked Questions

IWFS.L and SBUY.L have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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

IWFS.L is cheaper with a 0.30% expense ratio, compared with 0.39% for SBUY.L.

Both ETFs track MSCI ACWI NR USD. They also come from different issuers: iShares and Invesco. Their fees differ too: 0.30% for IWFS.L and 0.39% for SBUY.L.

Portfolio Optimizer

Find the right allocation for IWFS.L and SBUY.L

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer