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

VOO vs. IWFM.L

Last updated Jun 11, 2026

VOO (Vanguard S&P 500 ETF) and IWFM.L (iShares Edge MSCI World Momentum Factor UCITS ETF (Acc)) are both exchange-traded funds - VOO is a S&P 500 fund tracking the S&P 500 Index, while IWFM.L is a Momentum fund tracking the MSCI World Momentum Index. Both are passively managed. Over the past 10 years, VOO returned 15.13%/yr vs 15.06%/yr for IWFM.L. A 0.56 correlation means they provide meaningful diversification when combined. VOO charges 0.03%/yr vs 0.25%/yr for IWFM.L.

Performance

VOO vs. IWFM.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard S&P 500 ETF (VOO) and iShares Edge MSCI World Momentum Factor UCITS ETF (Acc) (IWFM.L). The values are adjusted to include any dividend payments, if applicable.

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Different Trading Currencies

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

Returns By Period

In the year-to-date period, VOO achieves a 6.70% return, which is significantly lower than IWFM.L's 15.86% return. Both investments have delivered pretty close results over the past 10 years, with VOO having a 15.13% annualized return and IWFM.L not far behind at 15.06%.

VOO

1D
-1.57%
1M
-1.84%
YTD
6.70%
6M
6.15%
1Y
21.76%
3Y*
20.69%
5Y*
12.93%
10Y*
15.13%

IWFM.L

1D
-0.61%
1M
-1.43%
YTD
15.86%
6M
15.33%
1Y
29.32%
3Y*
27.39%
5Y*
12.47%
10Y*
15.06%
*Multi-year figures are annualized to reflect compound growth (CAGR)

VOO vs. IWFM.L - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
VOO
Vanguard S&P 500 ETF		6.70%17.82%24.98%26.32%-18.17%28.79%18.32%31.37%-4.50%21.77%
IWFM.L
iShares Edge MSCI World Momentum Factor UCITS ETF (Acc)		15.86%21.23%30.41%11.44%-18.02%14.53%27.96%28.19%-4.13%31.86%

Correlation

The correlation between VOO and IWFM.L is 0.67, 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

0.67

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

0.61

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

0.59

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

0.56

Correlation (All Time)
Calculated using the full available price history since Oct 6, 2014

0.56

The correlation between VOO and IWFM.L shifts across timeframes, from 0.56 (all time) to 0.67 (1 year), reflecting how their relationship changes across market environments.

VOO vs. IWFM.L - Sectors Allocation Comparison

Sectors
VOO
IWFM.L

Technology

35.7%
26.0%

Financial Services

11.6%
13.1%

Communication Services

11.3%
6.8%

Consumer Cyclical

10.2%
1.6%

Healthcare

8.5%
10.7%

Industrials

8.3%
18.7%

Consumer Defensive

4.9%
1.5%

Energy

3.5%
10.6%

Utilities

2.4%
3.7%

Real Estate

1.9%
1.4%

Basic Materials

1.8%
6.0%

Technology

VOO
35.7%
IWFM.L
26.0%

Financial Services

VOO
11.6%
IWFM.L
13.1%

Communication Services

VOO
11.3%
IWFM.L
6.8%

Consumer Cyclical

VOO
10.2%
IWFM.L
1.6%

Healthcare

VOO
8.5%
IWFM.L
10.7%

Industrials

VOO
8.3%
IWFM.L
18.7%

Consumer Defensive

VOO
4.9%
IWFM.L
1.5%

Energy

VOO
3.5%
IWFM.L
10.6%

Utilities

VOO
2.4%
IWFM.L
3.7%

Real Estate

VOO
1.9%
IWFM.L
1.4%

Basic Materials

VOO
1.8%
IWFM.L
6.0%

Compare stocks, funds, or ETFs

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

Vanguard S&P 500 ETF

iShares Edge MSCI World Momentum Factor UCITS ETF (Acc)

Often compared with VOO:
VOO vs. VTIVOO vs. QQQVOO vs. SCHDVOO vs. VTVOO vs. SPYVOO vs. FXAIXVOO vs. IVV
Often compared with IWFM.L:
IWFM.L vs. SPMOIWFM.L vs. XDEM.DEIWFM.L vs. IMTMIWFM.L vs. IUMF.LIWFM.L vs. JPGL.LIWFM.L vs. SPYIWFM.L vs. ACWI

Return for Risk

VOO vs. IWFM.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
VOO
VOO Risk / Return Rank: 6262
Overall Rank
VOO Sharpe Ratio Rank: 6363
Sharpe Ratio Rank
VOO Sortino Ratio Rank: 6060
Sortino Ratio Rank
VOO Omega Ratio Rank: 6262
Omega Ratio Rank
VOO Calmar Ratio Rank: 5757
Calmar Ratio Rank
VOO Martin Ratio Rank: 7070
Martin Ratio Rank
IWFM.L
IWFM.L Risk / Return Rank: 7272
Overall Rank
IWFM.L Sharpe Ratio Rank: 6666
Sharpe Ratio Rank
IWFM.L Sortino Ratio Rank: 7070
Sortino Ratio Rank
IWFM.L Omega Ratio Rank: 6666
Omega Ratio Rank
IWFM.L Calmar Ratio Rank: 7777
Calmar Ratio Rank
IWFM.L Martin Ratio Rank: 7979
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.

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

This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P 500 ETF (VOO) and iShares Edge MSCI World Momentum Factor UCITS ETF (Acc) (IWFM.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.

VOOIWFM.LDifference
Sharpe ratioReturn per unit of total volatility
1.80
1.62

+0.18

Sortino ratioReturn per unit of downside risk
2.44
2.46

-0.02

Omega ratioGain probability vs. loss probability

1.33

1.29

+0.03

Calmar ratioReturn relative to maximum drawdown

2.46

2.50

-0.04

Martin ratioReturn relative to average drawdown

11.16

10.43

+0.74

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

VOO vs. IWFM.L - Sharpe Ratio Comparison

The current VOO Sharpe Ratio is 1.80, which is comparable to the IWFM.L Sharpe Ratio of 1.62. The chart below compares the historical Sharpe Ratios of VOO and IWFM.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

VOOIWFM.LDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.80

1.62

+0.18

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.77

0.54

+0.23

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.84

0.74

+0.10

Sharpe Ratio (All Time)

Calculated using the full available price history

0.86

0.41

+0.46

Drawdowns

VOO vs. IWFM.L - Drawdown Comparison

The maximum VOO drawdown since its inception was -33.99%, smaller than the maximum IWFM.L drawdown of -42.09%. Use the drawdown chart below to compare losses from any high point for VOO and IWFM.L.

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Drawdown Indicators

VOOIWFM.LDifference

Max Drawdown

Largest peak-to-trough decline

-33.99%

-42.09%

+8.10%

Max Drawdown (1Y)

Largest decline over 1 year

-8.90%

-11.70%

+2.80%

Max Drawdown (3Y)

Largest decline over 3 years

-18.69%

-19.82%

+1.13%

Max Drawdown (5Y)

Largest decline over 5 years

-24.52%

-30.66%

+6.14%

Max Drawdown (10Y)

Largest decline over 10 years

-33.99%

-30.82%

-3.17%

Current Drawdown

Current decline from peak

-4.47%

-5.67%

+1.20%

Average Drawdown

Average peak-to-trough decline

-3.69%

-13.36%

+9.67%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.95%

2.80%

-0.85%

Volatility

VOO vs. IWFM.L - Volatility Comparison

The current volatility for Vanguard S&P 500 ETF (VOO) is 3.97%, while iShares Edge MSCI World Momentum Factor UCITS ETF (Acc) (IWFM.L) has a volatility of 6.68%. This indicates that VOO experiences smaller price fluctuations and is considered to be less risky than IWFM.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

VOOIWFM.LDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.97%

6.68%

-2.71%

Volatility (6M)

Calculated over the trailing 6-month period

9.45%

15.72%

-6.27%

Volatility (1Y)

Calculated over the trailing 1-year period

12.17%

18.08%

-5.91%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.87%

22.93%

-6.06%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.03%

20.27%

-2.24%

VOO vs. IWFM.L - Expense Ratio Comparison

VOO has a 0.03% expense ratio, which is lower than IWFM.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

VOO vs. IWFM.L - Dividend Comparison

VOO's dividend yield for the trailing twelve months is around 1.07%, while IWFM.L has not paid dividends to shareholders.

PositionTTM20252024202320222021202020192018201720162015
IWFM.L
iShares Edge MSCI World Momentum Factor UCITS ETF (Acc)		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
VOO
Vanguard S&P 500 ETF		1.07%1.13%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%

Frequently Asked Questions

VOO and IWFM.L have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, VOO is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.

VOO is cheaper with a 0.03% expense ratio, compared with 0.25% for IWFM.L.

VOO is categorized as S&P 500, while IWFM.L is Momentum. VOO tracks S&P 500 Index, while IWFM.L tracks MSCI World Momentum Index. They also come from different issuers: Vanguard and iShares. Their fees differ too: 0.03% for VOO and 0.25% for IWFM.L.

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