BUFC vs CPSU
AB Conservative Buffer ETF vs Calamos S&P 500 Structured Alt Protection ETF - June
Which is better, BUFC or CPSU?
BUFC has been ahead.
BUFC led over 1Y and the full window.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | BUFC | CPSU |
|---|---|---|
| Expense Ratio | 0.69%Tie | 0.69%Tie |
| AUM | $1.1B | $29M |
| Dividend Yield | 0.00% | 0.00% |
| Holdings | 7 | 5 |
| YTD Return | +5.05%Best | +3.38% |
| 1Y Return | +7.23%Best | +4.67% |
| Volatility (annualized) | 3.5% | 1.4%Best |
| Max Drawdown | -3.6% | -1.0%Best |
| $10,000 over 1.4 years | $11,152Best | $10,788 |
| Fund Family | AllianceBernstein L.P. | Calamos Investments |
| Category | Alternative | Alternative |
| Style | Multi Alternative | Multi Alternative |
| Inception | Dec 13, 2023 | Jun 2, 2025 |
Not shown on this pair: 3Y Return (annualized), 5Y Return (annualized), Top 10 Weight.
Volatility and max drawdown, and the $10,000 over 1.4 years row, are measured over the window both funds cover: Jun 2, 2025 to Oct 14, 2026 (1.4 years).
BUFC vs CPSU growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 1.4 years both funds cover.
BUFC vs CPSU Performance
AB Conservative Buffer ETF (BUFC) is an ETF from AllianceBernstein L.P. and Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) is an ETF from Calamos Investments. Over the past year BUFC returned +7.23% while CPSU returned +4.67%. Year to date, BUFC is up 5.05% versus a gain of 3.38% for CPSU.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
BUFC has been the more volatile fund, with annualized monthly volatility of 3.5% compared with 1.4% for CPSU. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -3.6% for BUFC and -1.0% for CPSU. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.85. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
BUFC charges 0.69% per year while CPSU charges 0.69%. On a $10,000 position that is $69 vs $69 annually. On income, BUFC currently yields 0.00% against 0.00% for CPSU.
You are not choosing between two funds in isolation.
Whichever of BUFC and CPSU you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, BUFC or CPSU?
BUFC has an expense ratio of 0.69% while CPSU charges 0.69%. At the precision these are quoted to, they cost the same.
Which performed better, BUFC or CPSU?
Over the past year BUFC returned +7.23% vs +4.67% for CPSU, so BUFC leads on 1-year performance. Over the longest common window we track (1 years), BUFC annualized +8.10% vs +5.57% for CPSU. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, BUFC or CPSU?
BUFC has been the more volatile fund at 3.5% annualized versus 1.4% for CPSU. Worst drawdown: BUFC -3.6% vs CPSU -1.0%.
Should I hold both BUFC and CPSU?
BUFC and CPSU have a monthly-return correlation of 0.85, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, BUFC or CPSU?
BUFC yields 0.00% while CPSU yields 0.00%, so CPSU currently pays the higher dividend yield.
Is CPSU better than BUFC?
BUFC led over 1Y and the full window. Which one suits a particular account depends on what it is for. This is information, not a recommendation.