IWV vs. CAOS
IWV (iShares Russell 3000 ETF) and CAOS (Alpha Architect Tail Risk ETF) are both exchange-traded funds - IWV is a Large Cap Blend Equities fund tracking the Russell 3000 Index, while CAOS is a Options Trading fund actively managed by Alpha Architect. IWV is passively managed, while CAOS is actively managed. Over the past 3 years, IWV returned 20.38%/yr vs 3.94%/yr for CAOS. At a 0.09 correlation, their price movements are largely independent. IWV charges 0.20%/yr vs 0.63%/yr for CAOS.
Performance
IWV vs. CAOS - Performance Comparison
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Returns By Period
In the year-to-date period, IWV achieves a 8.58% return, which is significantly higher than CAOS's 0.71% return.
IWV
- 1D
- -1.30%
- 1M
- -0.78%
- YTD
- 8.58%
- 6M
- 7.48%
- 1Y
- 23.69%
- 3Y*
- 20.38%
- 5Y*
- 11.79%
- 10Y*
- 14.98%
CAOS
- 1D
- -0.04%
- 1M
- -0.12%
- YTD
- 0.71%
- 6M
- 0.61%
- 1Y
- 1.62%
- 3Y*
- 3.94%
- 5Y*
- —
- 10Y*
- —
IWV vs. CAOS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
IWV iShares Russell 3000 ETF | 8.58% | 16.96% | 23.49% | 18.29% |
CAOS Alpha Architect Tail Risk ETF | 0.71% | 2.55% | 5.33% | 7.43% |
Correlation
The correlation between IWV and CAOS is -0.31, 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 (1Y) Calculated over the trailing 1-year period | -0.31 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.03 |
Correlation (All Time) Calculated using the full available price history since Mar 6, 2023 | 0.09 |
The correlation between IWV and CAOS shifts across timeframes, from -0.31 (1 year) to 0.09 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
IWV vs. CAOS — Risk / Return Rank
IWV
CAOS
IWV vs. CAOS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell 3000 ETF (IWV) and Alpha Architect Tail Risk ETF (CAOS). 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.
| IWV | CAOS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.79 | ||
| Sortino ratioReturn per unit of downside risk | +0.85 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.22 | +0.11 |
| Calmar ratioReturn relative to maximum drawdown | 2.68 | 2.15 | +0.53 |
| Martin ratioReturn relative to average drawdown | 11.92 | 5.18 | +6.75 |
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Drawdowns
IWV vs. CAOS - Drawdown Comparison
The maximum IWV drawdown since its inception was -55.61%, which is greater than CAOS's maximum drawdown of -3.89%. Use the drawdown chart below to compare losses from any high point for IWV and CAOS.
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Drawdown Indicators
| IWV | CAOS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.61% | -3.89% | -51.72% |
Max Drawdown (1Y)Largest decline over 1 year | -8.89% | -0.76% | -8.13% |
Max Drawdown (3Y)Largest decline over 3 years | -19.28% | -3.60% | -15.68% |
Max Drawdown (5Y)Largest decline over 5 years | -25.11% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -35.22% | — | — |
Current DrawdownCurrent decline from peak | -2.74% | -1.18% | -1.56% |
Average DrawdownAverage peak-to-trough decline | -10.57% | -0.92% | -9.65% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.99% | 0.32% | +1.67% |
Volatility
IWV vs. CAOS - Volatility Comparison
iShares Russell 3000 ETF (IWV) has a higher volatility of 4.84% compared to Alpha Architect Tail Risk ETF (CAOS) at 0.32%. This indicates that IWV's price experiences larger fluctuations and is considered to be riskier than CAOS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IWV | CAOS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.84% | 0.32% | +4.52% |
Volatility (6M)Calculated over the trailing 6-month period | 9.97% | 1.05% | +8.92% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.72% | 1.50% | +11.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.33% | 4.23% | +13.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.41% | 4.23% | +14.18% |
IWV vs. CAOS - Expense Ratio Comparison
IWV has a 0.20% expense ratio, which is lower than CAOS's 0.63% expense ratio.
Dividends
IWV vs. CAOS - Dividend Comparison
IWV's dividend yield for the trailing twelve months is around 0.89%, while CAOS has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CAOS Alpha Architect Tail Risk ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IWV iShares Russell 3000 ETF | 0.89% | 0.96% | 1.08% | 1.30% | 1.56% | 1.04% | 1.30% | 1.69% | 1.97% | 1.58% | 1.79% | 1.99% |
Frequently Asked Questions
IWV and CAOS have a correlation of -0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IWV has higher volatility (4.84%) compared to CAOS (0.32%). In terms of maximum drawdown, IWV dropped -55.61% vs CAOS's -3.89%.
On 3-year performance, IWV leads with 20.38% vs 3.94% for CAOS. On fees, IWV is cheaper at 0.20% per year. On volatility, CAOS has been the lower-risk option at 0.32%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, IWV has performed better with a 20.38% return vs 3.94%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IWV is cheaper with a 0.20% expense ratio, compared with 0.63% for CAOS.
IWV has the higher dividend yield at 0.89%, compared with 0.00% for CAOS.
IWV is categorized as Large Cap Blend Equities, while CAOS is Options Trading. They also come from different issuers: iShares and Alpha Architect. Their fees differ too: 0.20% for IWV and 0.63% for CAOS.
IWV currently has the higher Sharpe Ratio (1.87 vs 1.08), 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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