AOA vs. ITOT

Last updated Jun 5, 2026

AOA (iShares Core 80/20 Aggressive Allocation ETF) and ITOT (iShares Core S&P Total U.S. Stock Market ETF) are both exchange-traded funds - AOA is a Diversified Portfolio fund tracking the S&P Target Risk Aggressive Index, while ITOT is a Large Cap Blend Equities fund tracking the S&P Total Market Index. Both are passively managed. Over the past 10 years, AOA returned 10.53%/yr vs 15.01%/yr for ITOT. Their correlation of 0.93 suggests significant overlap in exposure. AOA charges 0.15%/yr vs 0.03%/yr for ITOT.

Performance

AOA vs. ITOT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Core 80/20 Aggressive Allocation ETF (AOA) and iShares Core S&P Total U.S. Stock Market ETF (ITOT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AOA achieves a 10.13% return, which is significantly lower than ITOT's 11.78% return. Over the past 10 years, AOA has underperformed ITOT with an annualized return of 10.53%, while ITOT has yielded a comparatively higher 15.01% annualized return.

AOA

• 1D: 0.18%
• 1M: 3.39%
• YTD: 10.13%
• 6M: 10.89%
• 1Y: 24.17%
• 3Y*: 17.70%
• 5Y*: 9.19%
• 10Y*: 10.53%

ITOT

• 1D: 0.48%
• 1M: 4.64%
• YTD: 11.78%
• 6M: 11.52%
• 1Y: 28.81%
• 3Y*: 22.39%
• 5Y*: 12.80%
• 10Y*: 15.01%

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

AOA vs. ITOT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AOA iShares Core 80/20 Aggressive Allocation ETF	10.13%	19.59%	13.55%	18.27%	-16.23%	15.42%	12.82%	22.60%	-7.86%	20.05%
ITOT iShares Core S&P Total U.S. Stock Market ETF	11.78%	17.00%	23.80%	26.12%	-19.47%	25.68%	20.71%	30.67%	-5.33%	21.37%

Correlation

The correlation between AOA and ITOT is 0.95 - 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	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Nov 12, 2008	0.93

The correlation between AOA and ITOT has been stable across timeframes, ranging from 0.93 to 0.95 - a consistent structural relationship.

AOA vs. ITOT - Sectors Allocation Comparison

Sectors	AOA	ITOT
Technology	27.4%	33.8%
Financial Services	16.1%	12.1%
Industrials	12.0%	9.5%
Consumer Cyclical	9.5%	10.1%
Communication Services	8.3%	10.3%
Healthcare	8.0%	9.0%
Consumer Defensive	5.0%	4.7%
Energy	4.3%	3.7%
Basic Materials	4.2%	2.1%
Utilities	2.7%	2.3%
Real Estate	2.4%	2.4%

Return for Risk

AOA vs. ITOT — Risk / Return Rank

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

AOA

AOA Risk / Return Rank: 70
AOA Sharpe Ratio Rank: 71
AOA Sortino Ratio Rank: 72
AOA Omega Ratio Rank: 72
AOA Calmar Ratio Rank: 61
AOA Martin Ratio Rank: 72

ITOT

ITOT Risk / Return Rank: 73
ITOT Sharpe Ratio Rank: 74
ITOT Sortino Ratio Rank: 73
ITOT Omega Ratio Rank: 72
ITOT Calmar Ratio Rank: 66
ITOT Martin Ratio Rank: 78

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.

AOA vs. ITOT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core 80/20 Aggressive Allocation ETF (AOA) and iShares Core S&P Total U.S. Stock Market ETF (ITOT). 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.

	AOA	ITOT	Difference
Sharpe ratio: Return per unit of total volatility	2.28	2.37	-0.09
Sortino ratio: Return per unit of downside risk	3.22	3.24	-0.02
Omega ratio: Gain probability vs. loss probability	1.42	1.43	0.00
Calmar ratio: Return relative to maximum drawdown	2.96	3.25	-0.29
Martin ratio: Return relative to average drawdown	13.13	14.92	-1.79
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AOA vs. ITOT - Sharpe Ratio Comparison

The current AOA Sharpe Ratio is 2.28, which is comparable to the ITOT Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of AOA and ITOT, 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

	AOA	ITOT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.28	2.37	-0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	0.74	-0.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.78	0.82	-0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.69	0.57	+0.12

Drawdowns

AOA vs. ITOT - Drawdown Comparison

The maximum AOA drawdown since its inception was -28.38%, smaller than the maximum ITOT drawdown of -55.20%. Use the drawdown chart below to compare losses from any high point for AOA and ITOT.

Drawdown Indicators

	AOA	ITOT	Difference
Max Drawdown Largest peak-to-trough decline	-28.38%	-55.20%	+26.82%
Max Drawdown (1Y) Largest decline over 1 year	-8.20%	-8.90%	+0.70%
Max Drawdown (3Y) Largest decline over 3 years	-12.94%	-19.44%	+6.50%
Max Drawdown (5Y) Largest decline over 5 years	-23.62%	-25.36%	+1.74%
Max Drawdown (10Y) Largest decline over 10 years	-28.38%	-35.00%	+6.62%
Current Drawdown Current decline from peak	-0.31%	-0.25%	-0.06%
Average Drawdown Average peak-to-trough decline	-4.05%	-6.97%	+2.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.85%	1.94%	-0.09%

Volatility

AOA vs. ITOT - Volatility Comparison

iShares Core 80/20 Aggressive Allocation ETF (AOA) has a higher volatility of 3.16% compared to iShares Core S&P Total U.S. Stock Market ETF (ITOT) at 2.94%. This indicates that AOA's price experiences larger fluctuations and is considered to be riskier than ITOT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AOA	ITOT	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.16%	2.94%	+0.22%
Volatility (6M) Calculated over the trailing 6-month period	8.51%	9.14%	-0.63%
Volatility (1Y) Calculated over the trailing 1-year period	10.63%	12.19%	-1.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.97%	17.35%	-4.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.54%	18.26%	-4.72%

AOA vs. ITOT - Expense Ratio Comparison

AOA has a 0.15% expense ratio, which is higher than ITOT's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

AOA vs. ITOT - Dividend Comparison

AOA's dividend yield for the trailing twelve months is around 2.04%, more than ITOT's 0.97% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AOA iShares Core 80/20 Aggressive Allocation ETF	2.04%	2.18%	2.30%	2.22%	2.10%	1.67%	1.71%	2.50%	2.37%	5.09%	2.26%	2.15%
ITOT iShares Core S&P Total U.S. Stock Market ETF	0.97%	1.11%	1.23%	1.47%	1.66%	1.18%	1.41%	1.88%	2.14%	1.69%	1.83%	2.01%

Frequently Asked Questions

Can I hold both AOA and ITOT in my portfolio?

With a correlation of 0.95, AOA and ITOT 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.

Which is riskier, AOA or ITOT?

AOA has higher volatility (3.16%) compared to ITOT (2.94%). In terms of maximum drawdown, AOA dropped -28.38% vs ITOT's -55.20%.

Which ETF is better, AOA or ITOT?

On 10-year performance, ITOT leads with 15.01% vs 10.53% for AOA. On fees, ITOT is cheaper at 0.03% per year. On volatility, ITOT has been the lower-risk option at 2.94%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, AOA or ITOT?

Over the 10-year period, ITOT has performed better with a 15.01% return vs 10.53%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, AOA or ITOT?

ITOT is cheaper with a 0.03% expense ratio, compared with 0.15% for AOA.

Which ETF pays a higher dividend yield, AOA or ITOT?

AOA has the higher dividend yield at 2.04%, compared with 0.97% for ITOT.

What is the main difference between AOA and ITOT?

AOA is categorized as Diversified Portfolio, while ITOT is Large Cap Blend Equities. AOA tracks S&P Target Risk Aggressive Index, while ITOT tracks S&P Total Market Index. Their fees differ too: 0.15% for AOA and 0.03% for ITOT.

Which has better risk-adjusted returns?

ITOT currently has the higher Sharpe Ratio (2.37 vs 2.28), 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.