OPERvsAAUBETF Comparison
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ClearShares Ultra-Short Maturity ETF (OPER) and Alpha Architect US Equity 4 ETF (AAUB) belong to the same industry segment: Alternatives. OPER is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.09% for AAUB. Run a side-by-side ETF comparison of OPER and AAUB below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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OPER vs AAUB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | OPER AAUB | +0.31%+1.23% | +0.95%n/a | +2.98%n/a | +3.85%n/a | +14.45%n/a | +21.13%n/a |
| Flows | OPER AAUB | +$3M-$2M | +$8M- | -$3M- | +$5M- | -$113M- | -$63M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | OPER AAUB | +0.13%n/a | +0.14%n/a | +0.18%n/a | +0.19%n/a |
| Max drawdown | OPER AAUB | n/an/a | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | OPER AAUB | n/an/a | n/an/a | n/an/a | n/an/a |
Trading data
OPER | AAUB | |
Last sale 10/15/2026 at 7:57 PM | $100.18 | $50.96 |
| Previous close 10/15/2026 | $100.17 | $51.18 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/15/2026 at 7:57 PM
Live
Closed
OPER | AAUB | |
|---|---|---|
| Last price | $100.18 | $50.96 |
| 1D performance | +0.01% | -0.43% |
| AuM | $117.76 M | $851.32 M |
| E/R | 0.2% | 0.09% |
Characteristics
OPER | AAUB | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Clear Shares | Alpha Architect |
| Benchmark | - | - |
| N° of holdings | - | - |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 11, 2018 | July 23, 2026 |
| ESG | No | No |
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Exposure
Countries
OPER
Data will be available soon
AAUB
Data will be available soon
Sectors
OPER
Data will be available soon
AAUB
Data will be available soon
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Diversification
OPER
Data will be available soon
AAUB
Data will be available soon
Top 15 holdings
Data as of January 1, 1970
OPER
Data will be available soon
AAUB
Data will be available soon
Frequently asked questions about OPER and AAUB
Which ETF is bigger: OPER or AAUB?
As of October 15, 2026, OPER holds $117.76 M in assets under management (AUM), while AAUB manages $851.32 M.
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