Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) 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 CPSU. Use the tables to find lower-cost options, better risk-adjusted returns, or a closer substitute for your current allocation.
Cheapest Alternatives to CPSU
CPSU charges 0.69% annually. There are 42 ETFs in the Defined Outcome category with lower expense ratios, going as low as 0.25%.
| Symbol | Name | Expense Ratio | AUM | Inception | |
|---|---|---|---|---|---|
| Aptus April Buffer ETF | 0.25% | — | Oct 2025 | CPSU vs APRB | |
| Aptus July Buffer ETF | 0.25% | — | Oct 2025 | CPSU vs JULB | |
| Aptus January Buffer ETF | 0.25% | — | Oct 2025 | CPSU vs JANB | |
| Aptus October Buffer ETF | 0.25% | — | Oct 2025 | CPSU vs OCTB | |
| Fidelity Dynamic Buffered Equity ETF | 0.48% | — | Apr 2024 | CPSU vs FBUF |
Best Risk-Adjusted Alternatives to CPSU
CPSU has a PortfoliosLab risk / return rank of 95. There are 37 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 | CPSU vs PMAP | |
| Calamos S&P 500 Structured Alt Protection ETF - Ap... | 99 | 19.60M | Apr 2025 | CPSU vs CPSP | |
| iShares Large Cap Max Buffer Mar ETF | 98 | — | Mar 2025 | CPSU vs MMAX | |
| Innovator Equity Defined Protection ETF - 1 Yr Apr... | 98 | — | Apr 2025 | CPSU vs ZAPR | |
| Innovator U.S. Equity Accelerated 9 Buffer ETF - A... | 98 | 134.85M | Mar 2021 | CPSU vs XBAP |
Top Performing CPSU Alternatives (YTD)
CPSU is at 2.46% YTD. There are 256 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 | CPSU vs NVDO | |
| Innovator U.S. Small Cap Power Buffer ETF - Februa... | 13.92% | — | Jan 2025 | CPSU vs KFEB | |
| Innovator Russell 2000 Power Buffer ETF - April | 13.22% | 214.51M | Mar 2020 | CPSU vs KAPR | |
| FT Cboe Vest Nasdaq-100 Buffer ETF - March | 12.73% | 568.10M | Mar 2021 | CPSU vs QMAR | |
| ProShares Nasdaq-100 Dynamic Daily Buffer ETF | 12.55% | 2.84M | Jun 2025 | CPSU vs QB |
Lowest Volatility Alternatives to CPSU
CPSU has 1.89% 1-year volatility. There are 11 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 | CPSU vs PMAP | |
| FT Vest U.S. Equity Max Buffer ETF - April | 1.25% | — | Apr 2025 | CPSU vs APXM | |
| PGIM S&P 500 Max Buffer ETF - May | 1.31% | — | Apr 2025 | CPSU vs PMMY | |
| Calamos S&P 500 Structured Alt Protection ETF - Ap... | 1.35% | 19.60M | Apr 2025 | CPSU vs CPSP | |
| iShares Large Cap Max Buffer Mar ETF | 1.42% | — | Mar 2025 | CPSU vs MMAX |
Lowest Drawdown Alternatives to CPSU
CPSU has a 1-year max drawdown of -1.03%. There are 12 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 | CPSU vs PMAP | |
| Calamos S&P 500 Structured Alt Protection ETF - Ap... | -0.37% | 19.60M | Apr 2025 | CPSU vs CPSP | |
| Innovator Equity Defined Protection ETF - 1 Yr Apr... | -0.40% | — | Apr 2025 | CPSU vs ZAPR | |
| iShares Large Cap Max Buffer Mar ETF | -0.46% | — | Mar 2025 | CPSU vs MMAX | |
| Calamos S&P 500 Structured Alt Protection ETF - Ma... | -0.49% | 56.60M | May 2024 | CPSU vs CPSM |
Other ETFs from Calamos
The 10 most viewed Calamos ETFs shown here include CAIE, CVRT, CAIQ and span 7 categories. AUM among these funds goes as high as $269M.
Often Compared With CPSU
Investors most often compare CPSU with RSP, SPYG, VOO. These 20 comparison targets span 8 categories, based on PortfoliosLab usage data.
Compare CPSU with Any Fund or Stock
Compare CPSU with any ETF, mutual fund, or stock using PortfoliosLab's comparison tool.
Pair CPSU with funds that move differently
Calamos S&P 500 Structured Alt Protection ETF - June alternatives help with substitution. Diversifiers are the next step when you want funds with lower historical correlation to CPSU.
Explore CPSU Diversifiers