CPSU vs VOO
Calamos S&P 500 Structured Alt Protection ETF - June vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO delivered stronger 1-year returns. VOO offers more diversification with 509 holdings.
Side-by-Side Comparison
| Metric | CPSU | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.69% | 0.03% | |
| AUM | $27M | $997.4B | |
| Dividend Yield | 0.00% | 1.08% | |
| Holdings | 5 | 509 | |
| YTD Return | +3.06% | +13.20% | |
| 1Y Return | +5.34% | +21.62% | |
| 3Y Return (annualized) | - | +22.16% | |
| 5Y Return (annualized) | - | +13.42% | |
| Volatility (annualized) | 1.4% | 14.1% | |
| Max Drawdown | -1.0% | -34.3% | |
| Fund Family | Calamos Investments | Vanguard (US) | |
| Category | Alternative | Equity | |
| Inception | Jun 2, 2025 | Sep 7, 2010 |
CPSU vs VOO Performance
Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) is a ETF from Calamos Investments and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year CPSU returned +5.34% while VOO returned +21.62%. Year to date, CPSU is up 3.06% versus a gain of 13.20% for VOO.
Risk: Volatility and Drawdowns
VOO has been the more volatile fund, with annualized monthly volatility of 14.1% 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 -1.0% for CPSU and -34.3% for VOO. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.88. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
CPSU charges 0.69% per year while VOO charges 0.03%. On a $10,000 position that is $69 vs $3 annually, a gap of $66 per year that compounds over a long holding period. On income, CPSU currently yields 0.00% against 1.08% for VOO.
Frequently Asked Questions
Which is cheaper, CPSU or VOO?
CPSU has an expense ratio of 0.69% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $66 per year of difference.
Which performed better, CPSU or VOO?
Over the past year CPSU returned +5.34% vs +21.62% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (1 years), CPSU annualized +6.03% vs +13.51% for VOO. Past performance does not guarantee future results.
Which is riskier, CPSU or VOO?
VOO has been the more volatile fund at 14.1% annualized versus 1.4% for CPSU. Worst drawdown: CPSU -1.0% vs VOO -34.3%.
Should I hold both CPSU and VOO?
CPSU and VOO have a monthly-return correlation of 0.88, so combining them can provide real diversification depending on your allocation goals.
Which pays a higher dividend, CPSU or VOO?
CPSU yields 0.00% while VOO yields 1.08%, so VOO currently pays the higher dividend yield.
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