AIA vs. IOO

Last updated Aug 2, 2026

AIA (iShares Asia 50 ETF) and IOO (iShares Global 100 ETF) are both exchange-traded funds - AIA is a Asia Pacific Equities fund tracking the S&P Asia 50 Index, while IOO is a Global Equities fund tracking the S&P Global 100 Index (Net). Both are passively managed. Over the past 10 years, AIA returned 13.37%/yr vs 16.41%/yr for IOO. Their 0.71 correlation means they have sometimes moved together and sometimes differently. AIA charges 0.50%/yr vs 0.40%/yr for IOO.

Performance

AIA vs. IOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Asia 50 ETF (AIA) and iShares Global 100 ETF (IOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AIA achieves a 37.37% return, which is significantly higher than IOO's 12.18% return. Over the past 10 years, AIA has underperformed IOO with an annualized return of 13.37%, while IOO has yielded a comparatively higher 16.41% annualized return.

AIA

• 1D: 1.38%
• 1M: -0.63%
• 6M: 22.48%
• YTD: 37.37%
• 1Y: 66.32%
• 3Y*: 32.09%
• 5Y*: 12.22%
• 10Y*: 13.37%
• ALL TIME*: 7.82%

IOO

• 1D: 1.15%
• 1M: 3.02%
• 6M: 10.29%
• YTD: 12.18%
• 1Y: 30.07%
• 3Y*: 23.40%
• 5Y*: 15.80%
• 10Y*: 16.41%
• ALL TIME*: 7.67%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
AIA iShares Asia 50 ETF	$72.11M	$68.43M	$74.19M
IOO iShares Global 100 ETF	$39.71M	$29.92M	$34.31M

AIA vs. IOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AIA iShares Asia 50 ETF	37.37%	47.79%	20.26%	4.32%	-24.08%	-10.91%	33.73%	22.21%	-14.22%	45.00%
IOO iShares Global 100 ETF	12.18%	27.02%	26.54%	27.71%	-16.34%	26.03%	18.61%	30.01%	-6.22%	23.56%

Correlation

The correlation between AIA and IOO is 0.71, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.71
Correlation (3Y) Balances recent behavior with more history.	0.66
Correlation (5Y) Shows whether the relationship held over a longer period.	0.63
Correlation (10Y) Provides a long-term view across more market conditions.	0.66
Correlation (All Time) Calculated using the full available price history since Nov 20, 2007	0.71

The correlation between AIA and IOO has been stable across timeframes, ranging from 0.63 to 0.71 - a consistent structural relationship.

AIA vs. IOO - Sectors Allocation Comparison

Sectors	AIA	IOO
Technology	57.5%	45.4%
Financial Services	20.6%	10.0%
Consumer Cyclical	9.5%	7.8%
Communication Services	7.2%	10.7%
Industrials	2.0%	5.3%
Healthcare	0.9%	9.2%
Energy	0.6%	3.5%
Real Estate	0.5%	0.2%
Basic Materials	0.5%	1.7%
Consumer Defensive	-	5.8%
Utilities	-	0.5%

Return for Risk

AIA vs. IOO — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

AIA

AIA Risk / Return Rank: 84
AIA Sharpe Ratio Rank: 86
AIA Sortino Ratio Rank: 78
AIA Omega Ratio Rank: 83
AIA Calmar Ratio Rank: 90
AIA Martin Ratio Rank: 85

IOO

IOO Risk / Return Rank: 81
IOO Sharpe Ratio Rank: 82
IOO Sortino Ratio Rank: 81
IOO Omega Ratio Rank: 79
IOO Calmar Ratio Rank: 79
IOO Martin Ratio Rank: 81

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

AIA vs. IOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Asia 50 ETF (AIA) and iShares Global 100 ETF (IOO). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	AIA	IOO	Difference
Sharpe ratio: Return per unit of total volatility	2.03	1.89	+0.14
Sortino ratio: Return per unit of downside risk	2.52	2.62	-0.10
Omega ratio: Gain probability vs. loss probability	1.35	1.33	+0.02
Calmar ratio: Return relative to maximum drawdown	3.81	2.81	+1.01
Martin ratio: Return relative to average drawdown	12.04	10.47	+1.57

AIA vs. IOO - Sharpe Ratio Comparison

The current AIA Sharpe Ratio is 2.03, which is comparable to the IOO Sharpe Ratio of 1.89. The chart below compares the historical Sharpe Ratios of AIA and IOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

AIA vs. IOO - Drawdown Comparison

The maximum AIA drawdown since its inception was -60.89%, which is greater than IOO's maximum drawdown of -55.85%. Use the drawdown chart below to compare losses from any high point for AIA and IOO.

Drawdown Indicators

	AIA	IOO	Difference
Max Drawdown Largest peak-to-trough decline	-60.89%	-55.85%	-5.04%
Max Drawdown (1Y) Largest decline over 1 year	-16.83%	-9.94%	-6.89%
Max Drawdown (3Y) Largest decline over 3 years	-21.64%	-19.19%	-2.45%
Max Drawdown (5Y) Largest decline over 5 years	-45.99%	-23.52%	-22.47%
Max Drawdown (10Y) Largest decline over 10 years	-54.64%	-31.43%	-23.21%
Current Drawdown Current decline from peak	-11.13%	-1.39%	-9.74%
Average Drawdown Average peak-to-trough decline	-16.61%	-11.22%	-5.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.32%	2.66%	+2.66%

Volatility

AIA vs. IOO - Volatility Comparison

iShares Asia 50 ETF (AIA) has a higher volatility of 11.50% compared to iShares Global 100 ETF (IOO) at 4.30%. This indicates that AIA's price experiences larger fluctuations and is considered to be riskier than IOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AIA	IOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.50%	4.30%	+7.20%
Volatility (6M) Calculated over the trailing 6-month period	28.26%	11.83%	+16.43%
Volatility (1Y) Calculated over the trailing 1-year period	31.64%	14.73%	+16.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.69%	17.21%	+9.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.17%	17.73%	+6.44%

AIA vs. IOO - Expense Ratio Comparison

AIA has a 0.50% expense ratio, which is higher than IOO's 0.40% expense ratio.

Dividends

AIA vs. IOO - Dividend Comparison

AIA's dividend yield for the trailing twelve months is around 1.60%, more than IOO's 0.83% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AIA iShares Asia 50 ETF	1.60%	2.50%	2.78%	2.07%	2.59%	1.54%	1.11%	2.24%	2.49%	1.45%	2.29%	2.88%
IOO iShares Global 100 ETF	0.83%	0.92%	1.08%	1.49%	2.00%	1.53%	1.49%	2.02%	2.54%	2.23%	2.75%	2.89%

Frequently Asked Questions

Can I hold both AIA and IOO in my portfolio?

AIA and IOO have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AIA or IOO?

AIA has higher volatility (11.50%) compared to IOO (4.30%). In terms of maximum drawdown, AIA dropped -60.89% vs IOO's -55.85%.

Which ETF is better, AIA or IOO?

On 10-year performance, IOO leads with 16.41% vs 13.37% for AIA. On fees, IOO is cheaper at 0.40% per year. On volatility, IOO has been the lower-risk option at 4.30%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, AIA or IOO?

Over the 10-year period, IOO has performed better with a 16.41% return vs 13.37%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, AIA or IOO?

IOO is cheaper with a 0.40% expense ratio, compared with 0.50% for AIA.

Which ETF pays a higher dividend yield, AIA or IOO?

AIA has the higher dividend yield at 1.60%, compared with 0.83% for IOO.

What is the main difference between AIA and IOO?

AIA is categorized as Asia Pacific Equities, while IOO is Global Equities. AIA tracks S&P Asia 50 Index, while IOO tracks S&P Global 100 Index (Net). Their fees differ too: 0.50% for AIA and 0.40% for IOO.

Which has better risk-adjusted returns?

AIA currently has the higher Sharpe Ratio (2.03 vs 1.89), 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.