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IYY vs. ACWI
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IYY vs. ACWI

Last updated Jun 4, 2026

IYY (iShares Dow Jones U.S. ETF) and ACWI (iShares MSCI ACWI ETF) are both exchange-traded funds - IYY is a Large Cap Blend Equities fund tracking the Dow Jones U.S. Index, while ACWI is a Global Equities fund tracking the MSCI All Country World Index. Both are passively managed. Over the past 10 years, IYY returned 15.01%/yr vs 12.85%/yr for ACWI. Their correlation of 0.94 suggests significant overlap in exposure. IYY charges 0.20%/yr vs 0.32%/yr for ACWI.

Performance

IYY vs. ACWI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Dow Jones U.S. ETF (IYY) and iShares MSCI ACWI ETF (ACWI). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, IYY achieves a 10.92% return, which is significantly lower than ACWI's 12.13% return. Over the past 10 years, IYY has outperformed ACWI with an annualized return of 15.01%, while ACWI has yielded a comparatively lower 12.85% annualized return.

IYY

1D
-0.73%
1M
5.06%
YTD
10.92%
6M
10.83%
1Y
27.47%
3Y*
22.10%
5Y*
12.92%
10Y*
15.01%

ACWI

1D
-0.83%
1M
5.28%
YTD
12.13%
6M
12.96%
1Y
29.18%
3Y*
21.15%
5Y*
11.28%
10Y*
12.85%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IYY vs. ACWI - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IYY
iShares Dow Jones U.S. ETF		10.92%17.08%24.15%26.48%-19.57%26.38%20.10%30.78%-5.16%21.33%
ACWI
iShares MSCI ACWI ETF		12.13%22.41%17.45%22.27%-18.39%18.66%16.34%26.59%-9.19%24.33%

Correlation

The correlation between IYY and ACWI is 0.97 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.97

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

0.96

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

0.97

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

0.96

Correlation (All Time)
Calculated using the full available price history since Mar 31, 2008

0.94

The correlation between IYY and ACWI has been stable across timeframes, ranging from 0.94 to 0.97 - a consistent structural relationship.

IYY vs. ACWI - Sectors Allocation Comparison

Sectors
IYY
ACWI

Technology

34.8%
29.4%

Financial Services

12.0%
16.1%

Communication Services

10.7%
9.0%

Consumer Cyclical

10.2%
9.3%

Industrials

9.0%
10.9%

Healthcare

8.6%
8.1%

Consumer Defensive

4.8%
5.0%

Energy

3.6%
4.2%

Utilities

2.3%
2.6%

Real Estate

2.2%
1.8%

Basic Materials

2.0%
3.7%

Technology

IYY
34.8%
ACWI
29.4%

Financial Services

IYY
12.0%
ACWI
16.1%

Communication Services

IYY
10.7%
ACWI
9.0%

Consumer Cyclical

IYY
10.2%
ACWI
9.3%

Industrials

IYY
9.0%
ACWI
10.9%

Healthcare

IYY
8.6%
ACWI
8.1%

Consumer Defensive

IYY
4.8%
ACWI
5.0%

Energy

IYY
3.6%
ACWI
4.2%

Utilities

IYY
2.3%
ACWI
2.6%

Real Estate

IYY
2.2%
ACWI
1.8%

Basic Materials

IYY
2.0%
ACWI
3.7%

Compare stocks, funds, or ETFs

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

iShares Dow Jones U.S. ETF

iShares MSCI ACWI ETF

Often compared with IYY:
IYY vs. DIAIYY vs. VOOIYY vs. VTIIYY vs. IYMIYY vs. QQQIYY vs. CIND.LIYY vs. SCHB
Often compared with ACWI:
ACWI vs. VTACWI vs. SPYACWI vs. VWRL.LACWI vs. ACWXACWI vs. ACWI.LACWI vs. VOOACWI vs. VTI

Return for Risk

IYY vs. ACWI — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IYY
IYY Risk / Return Rank: 6868
Overall Rank
IYY Sharpe Ratio Rank: 6868
Sharpe Ratio Rank
IYY Sortino Ratio Rank: 6868
Sortino Ratio Rank
IYY Omega Ratio Rank: 6868
Omega Ratio Rank
IYY Calmar Ratio Rank: 6161
Calmar Ratio Rank
IYY Martin Ratio Rank: 7474
Martin Ratio Rank
ACWI
ACWI Risk / Return Rank: 6666
Overall Rank
ACWI Sharpe Ratio Rank: 6868
Sharpe Ratio Rank
ACWI Sortino Ratio Rank: 6767
Sortino Ratio Rank
ACWI Omega Ratio Rank: 6767
Omega Ratio Rank
ACWI Calmar Ratio Rank: 5959
Calmar Ratio Rank
ACWI Martin Ratio Rank: 7171
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.

IYY vs. ACWI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Dow Jones U.S. ETF (IYY) and iShares MSCI ACWI ETF (ACWI). 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.

IYYACWIDifference
Sharpe ratioReturn per unit of total volatility
2.30
2.29

+0.01

Sortino ratioReturn per unit of downside risk
3.16
3.17

-0.01

Omega ratioGain probability vs. loss probability

1.42

1.41

0.00

Calmar ratioReturn relative to maximum drawdown

3.09

3.01

+0.07

Martin ratioReturn relative to average drawdown

14.19

13.53

+0.66

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

IYY vs. ACWI - Sharpe Ratio Comparison

The current IYY Sharpe Ratio is 2.30, which is comparable to the ACWI Sharpe Ratio of 2.29. The chart below compares the historical Sharpe Ratios of IYY and ACWI, 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

IYYACWIDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.30

2.29

+0.01

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.76

0.71

+0.05

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.83

0.75

+0.08

Sharpe Ratio (All Time)

Calculated using the full available price history

0.44

0.43

+0.02

Drawdowns

IYY vs. ACWI - Drawdown Comparison

The maximum IYY drawdown since its inception was -55.17%, roughly equal to the maximum ACWI drawdown of -56.00%. Use the drawdown chart below to compare losses from any high point for IYY and ACWI.

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Drawdown Indicators

IYYACWIDifference

Max Drawdown

Largest peak-to-trough decline

-55.17%

-56.00%

+0.83%

Max Drawdown (1Y)

Largest decline over 1 year

-8.94%

-9.73%

+0.79%

Max Drawdown (3Y)

Largest decline over 3 years

-19.06%

-16.55%

-2.51%

Max Drawdown (5Y)

Largest decline over 5 years

-25.46%

-26.42%

+0.96%

Max Drawdown (10Y)

Largest decline over 10 years

-34.90%

-33.53%

-1.37%

Current Drawdown

Current decline from peak

-0.73%

-0.83%

+0.10%

Average Drawdown

Average peak-to-trough decline

-10.84%

-8.61%

-2.23%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.94%

2.16%

-0.22%

Volatility

IYY vs. ACWI - Volatility Comparison

The current volatility for iShares Dow Jones U.S. ETF (IYY) is 2.93%, while iShares MSCI ACWI ETF (ACWI) has a volatility of 3.93%. This indicates that IYY experiences smaller price fluctuations and is considered to be less risky than ACWI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IYYACWIDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.93%

3.93%

-1.00%

Volatility (6M)

Calculated over the trailing 6-month period

9.04%

10.29%

-1.25%

Volatility (1Y)

Calculated over the trailing 1-year period

12.01%

12.78%

-0.77%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

17.12%

16.05%

+1.07%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.16%

17.11%

+1.05%

IYY vs. ACWI - Expense Ratio Comparison

IYY has a 0.20% expense ratio, which is lower than ACWI's 0.32% expense ratio.

Dividends

IYY vs. ACWI - Dividend Comparison

IYY's dividend yield for the trailing twelve months is around 0.87%, less than ACWI's 1.38% yield.

PositionTTM20252024202320222021202020192018201720162015
ACWI
iShares MSCI ACWI ETF		1.38%1.55%1.70%1.88%1.79%1.71%1.43%2.33%2.18%1.94%2.19%2.56%
IYY
iShares Dow Jones U.S. ETF		0.87%0.95%1.05%1.29%1.48%1.04%1.31%1.80%1.97%1.62%1.81%1.97%

Frequently Asked Questions

With a correlation of 0.97, IYY and ACWI 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.

ACWI has higher volatility (3.93%) compared to IYY (2.93%). In terms of maximum drawdown, IYY dropped -55.17% vs ACWI's -56.00%.

On 10-year performance, IYY leads with 15.01% vs 12.85% for ACWI. On fees, IYY is cheaper at 0.20% per year. On volatility, IYY has been the lower-risk option at 2.93%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, IYY has performed better with a 15.01% return vs 12.85%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

IYY is cheaper with a 0.20% expense ratio, compared with 0.32% for ACWI.

ACWI has the higher dividend yield at 1.38%, compared with 0.87% for IYY.

IYY is categorized as Large Cap Blend Equities, while ACWI is Global Equities. IYY tracks Dow Jones U.S. Index, while ACWI tracks MSCI All Country World Index. Their fees differ too: 0.20% for IYY and 0.32% for ACWI.

IYY currently has the higher Sharpe Ratio (2.30 vs 2.29), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.

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