IAK vs. ACWI

Last updated Jun 4, 2026

IAK (iShares U.S. Insurance ETF) and ACWI (iShares MSCI ACWI ETF) are both exchange-traded funds - IAK is a Financials Equities fund tracking the Dow Jones U.S. Select Insurance Index, while ACWI is a Global Equities fund tracking the MSCI All Country World Index. Both are passively managed. Over the past 10 years, IAK returned 11.66%/yr vs 12.85%/yr for ACWI. A 0.67 correlation means they provide meaningful diversification when combined. IAK charges 0.43%/yr vs 0.32%/yr for ACWI.

Performance

IAK vs. ACWI - Performance Comparison

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

Returns By Period

In the year-to-date period, IAK achieves a -4.56% return, which is significantly lower than ACWI's 12.13% return. Over the past 10 years, IAK has underperformed ACWI with an annualized return of 11.66%, while ACWI has yielded a comparatively higher 12.85% annualized return.

IAK

• 1D: -0.88%
• 1M: -2.27%
• YTD: -4.56%
• 6M: -1.81%
• 1Y: -4.16%
• 3Y*: 16.73%
• 5Y*: 11.50%
• 10Y*: 11.66%

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)

IAK vs. ACWI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IAK iShares U.S. Insurance ETF	-4.56%	9.50%	28.25%	11.28%	11.33%	26.84%	-2.86%	25.94%	-11.48%	14.18%
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 IAK and ACWI is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.16
Correlation (3Y) Calculated over the trailing 3-year period	0.29
Correlation (5Y) Calculated over the trailing 5-year period	0.48
Correlation (10Y) Calculated over the trailing 10-year period	0.56
Correlation (All Time) Calculated using the full available price history since Mar 31, 2008	0.67

Over the past year, the correlation between IAK and ACWI has dropped to 0.16 - well below their long-term average of 0.67, suggesting their price drivers have been diverging.

IAK vs. ACWI - Sectors Allocation Comparison

Sectors	IAK	ACWI
Financial Services	99.5%	16.1%
Healthcare	0.5%	8.1%
Basic Materials	-	3.7%
Communication Services	-	9.0%
Consumer Cyclical	-	9.3%
Consumer Defensive	-	5.0%
Energy	-	4.2%
Industrials	-	10.9%
Real Estate	-	1.8%
Technology	-	29.4%
Utilities	-	2.6%

Return for Risk

IAK vs. ACWI — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

IAK

IAK Risk / Return Rank: 5
IAK Sharpe Ratio Rank: 6
IAK Sortino Ratio Rank: 6
IAK Omega Ratio Rank: 5
IAK Calmar Ratio Rank: 4
IAK Martin Ratio Rank: 3

ACWI

ACWI Risk / Return Rank: 66
ACWI Sharpe Ratio Rank: 68
ACWI Sortino Ratio Rank: 67
ACWI Omega Ratio Rank: 67
ACWI Calmar Ratio Rank: 59
ACWI Martin Ratio Rank: 71

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.

IAK vs. ACWI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Insurance ETF (IAK) 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.

	IAK	ACWI	Difference
Sharpe ratio: Return per unit of total volatility	-0.28	2.29	-2.58
Sortino ratio: Return per unit of downside risk	-0.29	3.17	-3.46
Omega ratio: Gain probability vs. loss probability	0.97	1.41	-0.45
Calmar ratio: Return relative to maximum drawdown	-0.55	3.01	-3.56
Martin ratio: Return relative to average drawdown	-1.14	13.53	-14.67
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IAK vs. ACWI - Sharpe Ratio Comparison

The current IAK Sharpe Ratio is -0.28, which is lower than the ACWI Sharpe Ratio of 2.29. The chart below compares the historical Sharpe Ratios of IAK 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.

Sharpe Ratios by Period

	IAK	ACWI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.28	2.29	-2.58
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.64	0.71	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.56	0.75	-0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.26	0.43	-0.17

Drawdowns

IAK vs. ACWI - Drawdown Comparison

The maximum IAK drawdown since its inception was -77.38%, which is greater than ACWI's maximum drawdown of -56.00%. Use the drawdown chart below to compare losses from any high point for IAK and ACWI.

Drawdown Indicators

	IAK	ACWI	Difference
Max Drawdown Largest peak-to-trough decline	-77.38%	-56.00%	-21.38%
Max Drawdown (1Y) Largest decline over 1 year	-7.62%	-9.73%	+2.11%
Max Drawdown (3Y) Largest decline over 3 years	-11.58%	-16.55%	+4.97%
Max Drawdown (5Y) Largest decline over 5 years	-14.76%	-26.42%	+11.66%
Max Drawdown (10Y) Largest decline over 10 years	-44.95%	-33.53%	-11.42%
Current Drawdown Current decline from peak	-5.82%	-0.83%	-4.99%
Average Drawdown Average peak-to-trough decline	-16.13%	-8.61%	-7.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.96%	2.16%	+1.80%

Volatility

IAK vs. ACWI - Volatility Comparison

iShares U.S. Insurance ETF (IAK) and iShares MSCI ACWI ETF (ACWI) have volatilities of 3.82% and 3.93%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IAK	ACWI	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.82%	3.93%	-0.11%
Volatility (6M) Calculated over the trailing 6-month period	9.98%	10.29%	-0.31%
Volatility (1Y) Calculated over the trailing 1-year period	14.77%	12.78%	+1.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.07%	16.05%	+2.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.89%	17.11%	+3.78%

IAK vs. ACWI - Expense Ratio Comparison

IAK has a 0.43% expense ratio, which is higher than ACWI's 0.32% expense ratio.

Dividends

IAK vs. ACWI - Dividend Comparison

IAK's dividend yield for the trailing twelve months is around 2.76%, more than ACWI's 1.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
IAK iShares U.S. Insurance ETF	2.76%	1.69%	1.49%	1.44%	1.69%	2.26%	2.07%	1.84%	2.33%	1.62%	1.68%	1.62%

Frequently Asked Questions

Can I hold both IAK and ACWI in my portfolio?

IAK and ACWI have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IAK or ACWI?

ACWI has higher volatility (3.93%) compared to IAK (3.82%). In terms of maximum drawdown, IAK dropped -77.38% vs ACWI's -56.00%.

Which ETF is better, IAK or ACWI?

On 10-year performance, ACWI leads with 12.85% vs 11.66% for IAK. On fees, ACWI is cheaper at 0.32% per year. On volatility, IAK has been the lower-risk option at 3.82%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IAK or ACWI?

Over the 10-year period, ACWI has performed better with a 12.85% return vs 11.66%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IAK or ACWI?

ACWI is cheaper with a 0.32% expense ratio, compared with 0.43% for IAK.

Which ETF pays a higher dividend yield, IAK or ACWI?

IAK has the higher dividend yield at 2.76%, compared with 1.38% for ACWI.

What is the main difference between IAK and ACWI?

IAK is categorized as Financials Equities, while ACWI is Global Equities. IAK tracks Dow Jones U.S. Select Insurance Index, while ACWI tracks MSCI All Country World Index. Their fees differ too: 0.43% for IAK and 0.32% for ACWI.

Which has better risk-adjusted returns?

ACWI currently has the higher Sharpe Ratio (2.29 vs -0.28), 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.