AAUS vs. IEO
AAUS (Alpha Architect US Equity ETF) and IEO (iShares U.S. Oil & Gas Exploration & Production ETF) are both exchange-traded funds - AAUS is a Large Cap Blend Equities fund actively managed by Alpha Architect, while IEO is a Energy Equities fund tracking the Dow Jones U.S. Select Oil Exploration & Production Index. AAUS is actively managed, while IEO is passively managed. At a correlation of -0.15, they often move in opposite directions. AAUS charges 0.15%/yr vs 0.42%/yr for IEO.
Performance
AAUS vs. IEO - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, AAUS achieves a 9.11% return, which is significantly lower than IEO's 34.63% return.
AAUS
- 1D
- -0.60%
- 1M
- 0.35%
- 6M
- 8.07%
- YTD
- 9.11%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IEO
- 1D
- 1.26%
- 1M
- 8.07%
- 6M
- 30.12%
- YTD
- 34.63%
- 1Y
- 36.50%
- 3Y*
- 14.18%
- 5Y*
- 22.38%
- 10Y*
- 10.35%
AAUS vs. IEO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
AAUS Alpha Architect US Equity ETF | 9.11% | 10.11% |
IEO iShares U.S. Oil & Gas Exploration & Production ETF | 34.63% | 1.09% |
Correlation
The correlation between AAUS and IEO is -0.15, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Jul 23, 2025 | -0.15 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
AAUS vs. IEO — Risk / Return Rank
AAUS
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
IEO
AAUS vs. IEO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Alpha Architect US Equity ETF (AAUS) and iShares U.S. Oil & Gas Exploration & Production ETF (IEO). 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.
| AAUS | IEO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.24 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 2.25 | — |
| Martin ratioReturn relative to average drawdown | — | 5.57 | — |
Loading charts...
Drawdowns
AAUS vs. IEO - Drawdown Comparison
The maximum AAUS drawdown since its inception was -9.13%, smaller than the maximum IEO drawdown of -79.17%. Use the drawdown chart below to compare losses from any high point for AAUS and IEO.
Loading charts...
Drawdown Indicators
| AAUS | IEO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -9.13% | -79.17% | +70.04% |
Max Drawdown (1Y)Largest decline over 1 year | — | -16.32% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -31.46% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -31.46% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -75.00% | — |
Current DrawdownCurrent decline from peak | -1.08% | -7.28% | +6.20% |
Average DrawdownAverage peak-to-trough decline | -1.39% | -26.19% | +24.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 6.57% | — |
Volatility
AAUS vs. IEO - Volatility Comparison
Loading charts...
Volatility by Period
| AAUS | IEO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 6.61% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 20.21% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 12.67% | 25.67% | -13.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.67% | 30.36% | -17.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 12.67% | 34.92% | -22.25% |
AAUS vs. IEO - Expense Ratio Comparison
AAUS has a 0.15% expense ratio, which is lower than IEO's 0.42% expense ratio.
Dividends
AAUS vs. IEO - Dividend Comparison
AAUS's dividend yield for the trailing twelve months is around 0.34%, less than IEO's 1.96% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AAUS Alpha Architect US Equity ETF | 0.34% | 0.37% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IEO iShares U.S. Oil & Gas Exploration & Production ETF | 1.96% | 2.61% | 2.63% | 3.00% | 3.77% | 2.62% | 3.17% | 1.85% | 1.67% | 0.94% | 0.98% | 2.03% |
Frequently Asked Questions
AAUS and IEO have a correlation of -0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, AAUS is cheaper at 0.15% per year. The better choice depends on whether you care most about return, fees, risk, or income.
AAUS is cheaper with a 0.15% expense ratio, compared with 0.42% for IEO.
IEO has the higher dividend yield at 1.96%, compared with 0.34% for AAUS.
AAUS is categorized as Large Cap Blend Equities, while IEO is Energy Equities. They also come from different issuers: Alpha Architect and iShares. Their fees differ too: 0.15% for AAUS and 0.42% for IEO.
Find the right allocation for AAUS and IEO
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer