Innovator U.S. Small Cap 10 Buffer ETF - Quarterly (RBUF) belongs to the Defined Outcome category. Below you'll find alternative ETFs from the same category, ranked by key criteria, plus funds that investors commonly compare with RBUF. Use the tables to find lower-cost options, better risk-adjusted returns, or a closer substitute for your current allocation.
Cheapest Alternatives to RBUF
RBUF charges 0.79% annually. There are 92 ETFs in the Defined Outcome category with lower expense ratios, going as low as 0.25%.
| Symbol | Name | Expense Ratio | AUM | Inception | |
|---|---|---|---|---|---|
| Aptus July Buffer ETF | 0.25% | — | Oct 2025 | RBUF vs JULB | |
| Aptus April Buffer ETF | 0.25% | — | Oct 2025 | RBUF vs APRB | |
| Aptus January Buffer ETF | 0.25% | — | Oct 2025 | RBUF vs JANB | |
| Aptus October Buffer ETF | 0.25% | — | Oct 2025 | RBUF vs OCTB | |
| Fidelity Dynamic Buffered Equity ETF | 0.48% | — | Apr 2024 | RBUF vs FBUF |
Best Risk-Adjusted Alternatives to RBUF
RBUF has a PortfoliosLab risk / return rank of 84. There are 126 ETFs in the Defined Outcome category with higher risk-adjusted ranks, going as high as 99.
| Symbol | Name | Risk / Return Rank | AUM | Inception | |
|---|---|---|---|---|---|
| PGIM S&P 500 Max Buffer ETF - April | 99 | — | Mar 2025 | RBUF vs PMAP | |
| Calamos S&P 500 Structured Alt Protection ETF - Ap... | 98 | 19.60M | Apr 2025 | RBUF vs CPSP | |
| iShares Large Cap Max Buffer Mar ETF | 98 | — | Mar 2025 | RBUF vs MMAX | |
| Innovator Equity Defined Protection ETF - 1 Yr Apr... | 98 | — | Apr 2025 | RBUF vs ZAPR | |
| Innovator U.S. Equity Accelerated 9 Buffer ETF - A... | 98 | 134.85M | Mar 2021 | RBUF vs XBAP |
Top Performing RBUF Alternatives (YTD)
RBUF is at 6.40% YTD. There are 109 ETFs in the Defined Outcome category with higher YTD returns, going as high as 16.35%.
| Symbol | Name | YTD Return | AUM | Inception | |
|---|---|---|---|---|---|
| Leverage Shares 2x Capped Accelerated NVDA Monthly... | 16.35% | — | Aug 2025 | RBUF vs NVDO | |
| Innovator U.S. Small Cap Power Buffer ETF - Februa... | 13.34% | — | Jan 2025 | RBUF vs KFEB | |
| Innovator Russell 2000 Power Buffer ETF - April | 12.71% | 214.51M | Mar 2020 | RBUF vs KAPR | |
| FT Cboe Vest Nasdaq-100 Buffer ETF - March | 12.33% | 568.10M | Mar 2021 | RBUF vs QMAR | |
| ProShares Nasdaq-100 Dynamic Daily Buffer ETF | 12.15% | 2.84M | Jun 2025 | RBUF vs QB |
Lowest Volatility Alternatives to RBUF
RBUF has 6.11% 1-year volatility. There are 152 ETFs in the Defined Outcome category with lower 1-year volatility, going as low as 1.16%.
| Symbol | Name | Volatility 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| PGIM S&P 500 Max Buffer ETF - April | 1.16% | — | Mar 2025 | RBUF vs PMAP | |
| FT Vest U.S. Equity Max Buffer ETF - April | 1.24% | — | Apr 2025 | RBUF vs APXM | |
| PGIM S&P 500 Max Buffer ETF - May | 1.31% | — | Apr 2025 | RBUF vs PMMY | |
| Calamos S&P 500 Structured Alt Protection ETF - Ap... | 1.34% | 19.60M | Apr 2025 | RBUF vs CPSP | |
| iShares Large Cap Max Buffer Mar ETF | 1.42% | — | Mar 2025 | RBUF vs MMAX |
Lowest Drawdown Alternatives to RBUF
RBUF has a 1-year max drawdown of -3.09%. There are 91 ETFs in the Defined Outcome category with shallower 1-year drawdowns, going as shallow as -0.35%.
| Symbol | Name | Max Drawdown 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| PGIM S&P 500 Max Buffer ETF - April | -0.35% | — | Mar 2025 | RBUF vs PMAP | |
| Calamos S&P 500 Structured Alt Protection ETF - Ap... | -0.37% | 19.60M | Apr 2025 | RBUF vs CPSP | |
| Innovator Equity Defined Protection ETF - 1 Yr Apr... | -0.40% | — | Apr 2025 | RBUF vs ZAPR | |
| iShares Large Cap Max Buffer Mar ETF | -0.46% | — | Mar 2025 | RBUF vs MMAX | |
| Calamos S&P 500 Structured Alt Protection ETF - Ma... | -0.49% | 56.60M | May 2024 | RBUF vs CPSM |
Other ETFs from Innovator
The 10 most viewed Innovator ETFs shown here include BALT, FFTY, BUFF and span 6 categories. AUM among these funds goes as high as $3B.
| Symbol | Name | Category | Risk / Return Rank | YTD Return | AUM | Inception | |
|---|---|---|---|---|---|---|---|
| Innovator Defined Wealth Shield ETF | Defined Outcome | 95 | 2.57% | 2.68B | Jun 2021 | RBUF vs BALT | |
| Innovator IBD 50 ETF | Large Cap Growth Equities | 26 | 12.47% | 89.40M | Apr 2015 | RBUF vs FFTY | |
| Innovator Laddered Allocation Power Buffer ETF | Defined Outcome | 89 | 5.94% | 891.58M | Oct 2016 | RBUF vs BUFF | |
| Innovator Equity Managed Floor ETF | Options Trading | 56 | 5.15% | 2.12B | Nov 2022 | RBUF vs SFLR | |
| Innovator Deepwater Frontier Tech ETF | Technology Equities | 58 | 20.34% | 221.95M | Jul 2018 | RBUF vs LOUP | |
| Innovator U.S. Equity Power Buffer ETF - January | Defined Outcome | 83 | 5.59% | 1.47B | Jan 2019 | RBUF vs PJAN | |
| Innovator U.S. Equity Accelerated Plus ETF | Leveraged Equities | 98 | 11.77% | 22.82M | Apr 2021 | RBUF vs XTAP | |
| Innovator U.S. Equity Buffer ETF - April | Defined Outcome | 97 | 11.27% | 404.39M | Mar 2019 | RBUF vs BAPR | |
| Innovator U.S. Equity Power Buffer ETF - July | Defined Outcome | 87 | 5.32% | 1.12B | Aug 2018 | RBUF vs PJUL | |
| Innovator Nasdaq-100 Managed Floor ETF | Nasdaq-100, Options Trading | 55 | 4.38% | 543.68M | Jan 2024 | RBUF vs QFLR |
Often Compared With RBUF
Investors most often compare RBUF with PMSE, PQOC, PMAU. These 20 comparison targets span 5 categories, based on PortfoliosLab usage data.
Compare RBUF with Any Fund or Stock
Compare RBUF with any ETF, mutual fund, or stock using PortfoliosLab's comparison tool.
Pair RBUF with funds that move differently
Innovator U.S. Small Cap 10 Buffer ETF - Quarterly alternatives help with substitution. Diversifiers are the next step when you want funds with lower historical correlation to RBUF.
Explore RBUF Diversifiers