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IWFM.L vs. ISAC.L
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IWFM.L vs. ISAC.L

Last updated Jun 5, 2026

IWFM.L (iShares Edge MSCI World Momentum Factor UCITS ETF (Acc)) and ISAC.L (iShares MSCI ACWI UCITS ETF USD (Acc)) are both exchange-traded funds - IWFM.L is a Momentum fund tracking the MSCI World Momentum Index, while ISAC.L is a Global Equities fund tracking the MSCI ACWI Index. Both are passively managed. Over the past 10 years, IWFM.L returned 16.44%/yr vs 13.48%/yr for ISAC.L. A 0.76 correlation means they provide meaningful diversification when combined. IWFM.L charges 0.25%/yr vs 0.20%/yr for ISAC.L.

Performance

IWFM.L vs. ISAC.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares Edge MSCI World Momentum Factor UCITS ETF (Acc) (IWFM.L) and iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.L). The values are adjusted to include any dividend payments, if applicable.

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Different Trading Currencies

IWFM.L is traded in GBp, while ISAC.L is traded in USD. To make them comparable, the ISAC.L values have been converted to GBp using the latest available exchange rates.

Returns By Period

In the year-to-date period, IWFM.L achieves a 22.13% return, which is significantly higher than ISAC.L's 12.06% return. Over the past 10 years, IWFM.L has outperformed ISAC.L with an annualized return of 16.44%, while ISAC.L has yielded a comparatively lower 13.48% annualized return.

IWFM.L

1D
-0.86%
1M
8.93%
YTD
22.13%
6M
22.59%
1Y
35.15%
3Y*
26.24%
5Y*
14.83%
10Y*
16.44%

ISAC.L

1D
0.00%
1M
5.28%
YTD
12.06%
6M
12.30%
1Y
30.14%
3Y*
18.17%
5Y*
12.60%
10Y*
13.48%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IWFM.L vs. ISAC.L - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IWFM.L
iShares Edge MSCI World Momentum Factor UCITS ETF (Acc)		22.13%12.72%32.62%5.85%-8.21%15.58%24.16%23.25%1.62%20.40%
ISAC.L
iShares MSCI ACWI UCITS ETF USD (Acc)		11.99%13.64%19.87%16.44%-8.43%19.97%12.26%20.98%-4.37%13.63%

Correlation

The correlation between IWFM.L and ISAC.L is 0.75, 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

0.75

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

0.79

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

0.76

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

0.78

Correlation (All Time)
Calculated using the full available price history since Oct 8, 2014

0.76

The correlation between IWFM.L and ISAC.L has been stable across timeframes, ranging from 0.75 to 0.79 - a consistent structural relationship.

IWFM.L vs. ISAC.L - Sectors Allocation Comparison

Sectors
IWFM.L
ISAC.L

Technology

26.0%
33.9%

Industrials

18.7%
9.0%

Financial Services

13.1%
17.3%

Healthcare

10.7%
7.8%

Energy

10.6%
3.6%

Communication Services

6.8%
8.6%

Basic Materials

6.0%
2.9%

Utilities

3.7%
2.2%

Consumer Cyclical

1.6%
8.5%

Consumer Defensive

1.5%
4.4%

Real Estate

1.4%
1.2%

Technology

IWFM.L
26.0%
ISAC.L
33.9%

Industrials

IWFM.L
18.7%
ISAC.L
9.0%

Financial Services

IWFM.L
13.1%
ISAC.L
17.3%

Healthcare

IWFM.L
10.7%
ISAC.L
7.8%

Energy

IWFM.L
10.6%
ISAC.L
3.6%

Communication Services

IWFM.L
6.8%
ISAC.L
8.6%

Basic Materials

IWFM.L
6.0%
ISAC.L
2.9%

Utilities

IWFM.L
3.7%
ISAC.L
2.2%

Consumer Cyclical

IWFM.L
1.6%
ISAC.L
8.5%

Consumer Defensive

IWFM.L
1.5%
ISAC.L
4.4%

Real Estate

IWFM.L
1.4%
ISAC.L
1.2%

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iShares Edge MSCI World Momentum Factor UCITS ETF (Acc)

iShares MSCI ACWI UCITS ETF USD (Acc)

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Often compared with ISAC.L:
ISAC.L vs. VWRA.LISAC.L vs. SSAC.LISAC.L vs. IWDA.LISAC.L vs. VTISAC.L vs. SWDA.LISAC.L vs. VOOISAC.L vs. SWRD.L

Return for Risk

IWFM.L vs. ISAC.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IWFM.L
IWFM.L Risk / Return Rank: 7272
Overall Rank
IWFM.L Sharpe Ratio Rank: 6666
Sharpe Ratio Rank
IWFM.L Sortino Ratio Rank: 7171
Sortino Ratio Rank
IWFM.L Omega Ratio Rank: 6767
Omega Ratio Rank
IWFM.L Calmar Ratio Rank: 7777
Calmar Ratio Rank
IWFM.L Martin Ratio Rank: 8080
Martin Ratio Rank
ISAC.L
ISAC.L Risk / Return Rank: 7373
Overall Rank
ISAC.L Sharpe Ratio Rank: 7272
Sharpe Ratio Rank
ISAC.L Sortino Ratio Rank: 7777
Sortino Ratio Rank
ISAC.L Omega Ratio Rank: 7373
Omega Ratio Rank
ISAC.L Calmar Ratio Rank: 6767
Calmar Ratio Rank
ISAC.L Martin Ratio Rank: 7474
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.

IWFM.L vs. ISAC.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Edge MSCI World Momentum Factor UCITS ETF (Acc) (IWFM.L) and iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.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.

IWFM.LISAC.LDifference
Sharpe ratioReturn per unit of total volatility
2.16
2.52

-0.36

Sortino ratioReturn per unit of downside risk
3.18
3.48

-0.30

Omega ratioGain probability vs. loss probability

1.39

1.48

-0.08

Calmar ratioReturn relative to maximum drawdown

3.91

4.36

-0.45

Martin ratioReturn relative to average drawdown

15.27

16.74

-1.48

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

IWFM.L vs. ISAC.L - Sharpe Ratio Comparison

The current IWFM.L Sharpe Ratio is 2.16, which is comparable to the ISAC.L Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of IWFM.L and ISAC.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

IWFM.LISAC.LDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.16

2.52

-0.36

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.90

0.88

+0.02

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.98

0.87

+0.11

Sharpe Ratio (All Time)

Calculated using the full available price history

0.98

0.86

+0.12

Drawdowns

IWFM.L vs. ISAC.L - Drawdown Comparison

The maximum IWFM.L drawdown since its inception was -22.58%, smaller than the maximum ISAC.L drawdown of -25.84%. Use the drawdown chart below to compare losses from any high point for IWFM.L and ISAC.L.

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Drawdown Indicators

IWFM.LISAC.LDifference

Max Drawdown

Largest peak-to-trough decline

-22.58%

-25.84%

+3.26%

Max Drawdown (1Y)

Largest decline over 1 year

-8.95%

-6.88%

-2.07%

Max Drawdown (3Y)

Largest decline over 3 years

-20.40%

-18.33%

-2.07%

Max Drawdown (5Y)

Largest decline over 5 years

-20.40%

-18.33%

-2.07%

Max Drawdown (10Y)

Largest decline over 10 years

-22.58%

-25.84%

+3.26%

Current Drawdown

Current decline from peak

-0.86%

-0.36%

-0.50%

Average Drawdown

Average peak-to-trough decline

-4.94%

-3.56%

-1.38%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.30%

1.80%

+0.50%

Volatility

IWFM.L vs. ISAC.L - Volatility Comparison

iShares Edge MSCI World Momentum Factor UCITS ETF (Acc) (IWFM.L) has a higher volatility of 5.85% compared to iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.L) at 3.74%. This indicates that IWFM.L's price experiences larger fluctuations and is considered to be riskier than ISAC.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IWFM.LISAC.LDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.85%

3.74%

+2.11%

Volatility (6M)

Calculated over the trailing 6-month period

13.75%

9.25%

+4.50%

Volatility (1Y)

Calculated over the trailing 1-year period

16.21%

11.90%

+4.31%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.47%

14.29%

+2.18%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.18%

15.49%

+1.69%

IWFM.L vs. ISAC.L - Expense Ratio Comparison

IWFM.L has a 0.25% expense ratio, which is higher than ISAC.L's 0.20% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

IWFM.L vs. ISAC.L - Dividend Comparison

Neither IWFM.L nor ISAC.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

IWFM.L and ISAC.L have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, ISAC.L is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.

ISAC.L is cheaper with a 0.20% expense ratio, compared with 0.25% for IWFM.L.

IWFM.L is categorized as Momentum, while ISAC.L is Global Equities. IWFM.L tracks MSCI World Momentum Index, while ISAC.L tracks MSCI ACWI Index. Their fees differ too: 0.25% for IWFM.L and 0.20% for ISAC.L.

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