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IUMF.L vs. IWMO.L
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IUMF.L vs. IWMO.L

Last updated Jun 5, 2026

IUMF.L (iShares Edge MSCI USA Momentum Factor UCITS ETF) and IWMO.L (iShares Edge MSCI World Momentum Factor UCITS ETF USD (Acc)) are both Momentum funds from iShares - IUMF.L tracks the MSCI USA Momentum Index while IWMO.L tracks the MSCI World Momentum Index. Both are passively managed. Over the past 5 years, IUMF.L returned 15.33%/yr vs 14.85%/yr for IWMO.L. Their correlation of 0.90 suggests significant overlap in exposure. IUMF.L charges 0.20%/yr vs 0.25%/yr for IWMO.L.

Performance

IUMF.L vs. IWMO.L - Performance Comparison

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

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Different Trading Currencies

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

Returns By Period

In the year-to-date period, IUMF.L achieves a 29.89% return, which is significantly higher than IWMO.L's 22.38% return.

IUMF.L

1D
-1.75%
1M
13.21%
YTD
29.89%
6M
29.09%
1Y
40.90%
3Y*
28.84%
5Y*
15.33%
10Y*
—

IWMO.L

1D
-0.78%
1M
8.91%
YTD
22.38%
6M
22.53%
1Y
35.16%
3Y*
26.32%
5Y*
14.85%
10Y*
16.44%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IUMF.L vs. IWMO.L - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IUMF.L
iShares Edge MSCI USA Momentum Factor UCITS ETF		29.89%9.14%34.88%3.73%-8.43%14.11%25.03%23.31%2.39%24.77%
IWMO.L
iShares Edge MSCI World Momentum Factor UCITS ETF USD (Acc)		22.38%12.41%32.77%6.36%-8.22%15.21%24.80%22.30%1.85%20.67%

Correlation

The correlation between IUMF.L and IWMO.L is 0.91, 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

0.91

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

0.91

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

0.90

Correlation (All Time)
Calculated using the full available price history since Oct 18, 2016

0.90

The correlation between IUMF.L and IWMO.L has been stable across timeframes, ranging from 0.90 to 0.91 - a consistent structural relationship.

IUMF.L vs. IWMO.L - Sectors Allocation Comparison

Sectors
IUMF.L
IWMO.L

Technology

42.9%
26.0%

Industrials

19.2%
18.7%

Healthcare

9.6%
10.7%

Financial Services

7.3%
13.1%

Communication Services

6.7%
6.8%

Consumer Cyclical

5.1%
1.6%

Energy

2.5%
10.6%

Consumer Defensive

2.2%
1.5%

Basic Materials

1.9%
6.0%

Utilities

1.5%
3.7%

Real Estate

1.1%
1.4%

Technology

IUMF.L
42.9%
IWMO.L
26.0%

Industrials

IUMF.L
19.2%
IWMO.L
18.7%

Healthcare

IUMF.L
9.6%
IWMO.L
10.7%

Financial Services

IUMF.L
7.3%
IWMO.L
13.1%

Communication Services

IUMF.L
6.7%
IWMO.L
6.8%

Consumer Cyclical

IUMF.L
5.1%
IWMO.L
1.6%

Energy

IUMF.L
2.5%
IWMO.L
10.6%

Consumer Defensive

IUMF.L
2.2%
IWMO.L
1.5%

Basic Materials

IUMF.L
1.9%
IWMO.L
6.0%

Utilities

IUMF.L
1.5%
IWMO.L
3.7%

Real Estate

IUMF.L
1.1%
IWMO.L
1.4%

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iShares Edge MSCI USA Momentum Factor UCITS ETF

iShares Edge MSCI World Momentum Factor UCITS ETF USD (Acc)

Often compared with IUMF.L:
IUMF.L vs. IWFM.LIUMF.L vs. XDEM.LIUMF.L vs. JPLG.LIUMF.L vs. FSUS.LIUMF.L vs. IUMD.LIUMF.L vs. JMOMIUMF.L vs. QQQ
Often compared with IWMO.L:
IWMO.L vs. SPYIWMO.L vs. QMOMIWMO.L vs. VWRA.LIWMO.L vs. JPGL.LIWMO.L vs. IPRV.LIWMO.L vs. IWVL.LIWMO.L vs. AVUV

Return for Risk

IUMF.L vs. IWMO.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IUMF.L
IUMF.L Risk / Return Rank: 7474
Overall Rank
IUMF.L Sharpe Ratio Rank: 7070
Sharpe Ratio Rank
IUMF.L Sortino Ratio Rank: 7272
Sortino Ratio Rank
IUMF.L Omega Ratio Rank: 6969
Omega Ratio Rank
IUMF.L Calmar Ratio Rank: 8383
Calmar Ratio Rank
IUMF.L Martin Ratio Rank: 7575
Martin Ratio Rank
IWMO.L
IWMO.L Risk / Return Rank: 6060
Overall Rank
IWMO.L Sharpe Ratio Rank: 5555
Sharpe Ratio Rank
IWMO.L Sortino Ratio Rank: 6161
Sortino Ratio Rank
IWMO.L Omega Ratio Rank: 5656
Omega Ratio Rank
IWMO.L Calmar Ratio Rank: 6060
Calmar Ratio Rank
IWMO.L Martin Ratio Rank: 6969
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.

IUMF.L vs. IWMO.L - Risk-Adjusted Trends Comparison

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

IUMF.LIWMO.LDifference
Sharpe ratioReturn per unit of total volatility
2.26
2.02

+0.24

Sortino ratioReturn per unit of downside risk
3.19
2.96

+0.23

Omega ratioGain probability vs. loss probability

1.40

1.37

+0.03

Calmar ratioReturn relative to maximum drawdown

4.37

3.78

+0.59

Martin ratioReturn relative to average drawdown

14.10

14.86

-0.75

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

IUMF.L vs. IWMO.L - Sharpe Ratio Comparison

The current IUMF.L Sharpe Ratio is 2.26, which is comparable to the IWMO.L Sharpe Ratio of 2.02. The chart below compares the historical Sharpe Ratios of IUMF.L and IWMO.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

IUMF.LIWMO.LDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.26

2.02

+0.24

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.84

0.85

-0.01

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

—

0.92

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.85

0.89

-0.05

Drawdowns

IUMF.L vs. IWMO.L - Drawdown Comparison

The maximum IUMF.L drawdown since its inception was -25.23%, which is greater than IWMO.L's maximum drawdown of -23.32%. Use the drawdown chart below to compare losses from any high point for IUMF.L and IWMO.L.

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Drawdown Indicators

IUMF.LIWMO.LDifference

Max Drawdown

Largest peak-to-trough decline

-25.23%

-23.32%

-1.91%

Max Drawdown (1Y)

Largest decline over 1 year

-9.32%

-9.26%

-0.06%

Max Drawdown (3Y)

Largest decline over 3 years

-22.56%

-20.19%

-2.37%

Max Drawdown (5Y)

Largest decline over 5 years

-24.37%

-20.31%

-4.06%

Max Drawdown (10Y)

Largest decline over 10 years

—

-23.32%

—

Current Drawdown

Current decline from peak

-1.75%

-0.78%

-0.97%

Average Drawdown

Average peak-to-trough decline

-6.44%

-4.92%

-1.52%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.89%

2.36%

+0.53%

Volatility

IUMF.L vs. IWMO.L - Volatility Comparison

iShares Edge MSCI USA Momentum Factor UCITS ETF (IUMF.L) has a higher volatility of 7.86% compared to iShares Edge MSCI World Momentum Factor UCITS ETF USD (Acc) (IWMO.L) at 6.28%. This indicates that IUMF.L's price experiences larger fluctuations and is considered to be riskier than IWMO.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IUMF.LIWMO.LDifference

Volatility (1M)

Calculated over the trailing 1-month period

7.86%

6.28%

+1.58%

Volatility (6M)

Calculated over the trailing 6-month period

15.09%

14.91%

+0.18%

Volatility (1Y)

Calculated over the trailing 1-year period

17.99%

17.32%

+0.67%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

18.29%

17.41%

+0.88%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.66%

17.92%

+0.74%

IUMF.L vs. IWMO.L - Expense Ratio Comparison

IUMF.L has a 0.20% expense ratio, which is lower than IWMO.L's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

IUMF.L vs. IWMO.L - Dividend Comparison

Neither IUMF.L nor IWMO.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

With a correlation of 0.91, IUMF.L and IWMO.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, IUMF.L is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.

IUMF.L is cheaper with a 0.20% expense ratio, compared with 0.25% for IWMO.L.

IUMF.L tracks MSCI USA Momentum Index, while IWMO.L tracks MSCI World Momentum Index. Their fees differ too: 0.20% for IUMF.L and 0.25% for IWMO.L.

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