ClearShares Ultra-Short Maturity ETF (OPER) belongs to the Ultrashort Bond category. Below you'll find alternative ETFs from the same category, ranked by key criteria, plus funds that investors commonly compare with OPER. Use the tables to find lower-cost options, better risk-adjusted returns, or a closer substitute for your current allocation.
Cheapest Alternatives to OPER
OPER charges 0.20% annually. There are 42 ETFs in the Ultrashort Bond category with lower expense ratios, going as low as 0.03%.
| Symbol | Name | Expense Ratio | AUM | Inception | |
|---|---|---|---|---|---|
| BondBloxx Bloomberg One Year Target Duration US Tr... | 0.03% | 841.59M | Sep 2022 | OPER vs XONE | |
| BondBloxx Bloomberg Six Month Target Duration US T... | 0.03% | 1.94B | Sep 2022 | OPER vs XHLF | |
| State Street SPDR Portfolio Ultra Short T-Bill ETF | 0.05% | 13.79M | Oct 2025 | OPER vs SPTU | |
| Xtrackers US 0-1 Year Treasury ETF | 0.06% | — | Oct 2024 | OPER vs TRSY | |
| Global X 1-3 Month T-Bill ETF | 0.07% | 2.59B | Jun 2023 | OPER vs CLIP |
Best Risk-Adjusted Alternatives to OPER
OPER has a PortfoliosLab risk / return rank of 100. There are 14 ETFs in the Ultrashort Bond category with higher risk-adjusted ranks, going as high as 100.
| Symbol | Name | Risk / Return Rank | AUM | Inception | |
|---|---|---|---|---|---|
| iShares 0-3 Month Treasury Bond ETF | 100 | 99.95B | May 2020 | OPER vs SGOV | |
| SPDR Bloomberg 1-3 Month T-Bill ETF | 100 | 47.03B | May 2007 | OPER vs BIL | |
| Goldman Sachs Access Treasury 0-1 Year ETF | 100 | 7.59B | Sep 2016 | OPER vs GBIL | |
| Invesco Short Term Treasury ETF | 100 | 2.87B | Jan 2017 | OPER vs TBLL | |
| Vanguard 0-3 Month Treasury Bill ETF | 100 | 9.40B | Feb 2025 | OPER vs VBIL |
Top Performing OPER Alternatives (YTD)
OPER is at 2.16% YTD. There are 25 ETFs in the Ultrashort Bond category with higher YTD returns, going as high as 3.26%.
| Symbol | Name | YTD Return | AUM | Inception | |
|---|---|---|---|---|---|
| American Century Multisector Floating Income ETF | 3.26% | 22.73M | Mar 2023 | OPER vs FUSI | |
| NEOS Enhanced Income 1-3 Month T-Bill ETF | 2.96% | 1.54B | Aug 2022 | OPER vs CSHI | |
| VanEck IG Floating Rate ETF | 2.70% | 3.00B | Apr 2011 | OPER vs FLTR | |
| Angel Oak Ultrashort Income ETF | 2.61% | 1.55B | Oct 2022 | OPER vs UYLD | |
| Thrivent Ultra Short Bond ETF | 2.58% | 218.28M | Feb 2025 | OPER vs TUSB |
Lowest Volatility Alternatives to OPER
OPER has 0.27% 1-year volatility. There are 9 ETFs in the Ultrashort Bond category with lower 1-year volatility, going as low as 0.19%.
| Symbol | Name | Volatility 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| iShares 0-3 Month Treasury Bond ETF | 0.19% | 99.95B | May 2020 | OPER vs SGOV | |
| SPDR Bloomberg 1-3 Month T-Bill ETF | 0.20% | 47.03B | May 2007 | OPER vs BIL | |
| Invesco Short Term Treasury ETF | 0.20% | 2.87B | Jan 2017 | OPER vs TBLL | |
| iShares 0-1 Year Treasury Bond ETF | 0.21% | 20.70B | Jan 2007 | OPER vs SHV | |
| PIMCO Ultra Short Government Active Exchange-Trade... | 0.21% | 1.03B | Jun 2023 | OPER vs BILZ |
Lowest Drawdown Alternatives to OPER
OPER has a 1-year max drawdown of -0.07%. There are 18 ETFs in the Ultrashort Bond category with shallower 1-year drawdowns, going as shallow as -0.01%.
| Symbol | Name | Max Drawdown 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| Vanguard 0-3 Month Treasury Bill ETF | -0.01% | 9.40B | Feb 2025 | OPER vs VBIL | |
| SPDR Bloomberg 1-3 Month T-Bill ETF | -0.01% | 47.03B | May 2007 | OPER vs BIL | |
| iShares 0-3 Month Treasury Bond ETF | -0.01% | 99.95B | May 2020 | OPER vs SGOV | |
| Global X 1-3 Month T-Bill ETF | -0.02% | 2.59B | Jun 2023 | OPER vs CLIP | |
| iShares Treasury Floating Rate Bond ETF | -0.02% | 6.70B | Feb 2014 | OPER vs TFLO |
Other ETFs from ClearShares
The 2 most viewed ClearShares ETFs shown here include OCIO, PIFI and span 2 categories. AUM among these funds goes as high as $166M.
| Symbol | Name | Category | Risk / Return Rank | YTD Return | AUM | Inception | |
|---|---|---|---|---|---|---|---|
| ClearShares OCIO ETF | Diversified Portfolio | 56 | 6.90% | 165.55M | Jun 2017 | OPER vs OCIO | |
| ClearShares Piton Intermediate Fixed Income ETF | Intermediate Core Bond | 33 | -0.39% | 97.67M | Oct 2020 | OPER vs PIFI |
Often Compared With OPER
Investors most often compare OPER with IGHG, MINT, ICSH. These 20 comparison targets span 11 categories, based on PortfoliosLab usage data.
Compare OPER with Any Fund or Stock
Compare OPER with any ETF, mutual fund, or stock using PortfoliosLab's comparison tool.
Pair OPER with funds that move differently
ClearShares Ultra-Short Maturity ETF alternatives help with substitution. Diversifiers are the next step when you want funds with lower historical correlation to OPER.
Explore OPER Diversifiers