Share Price Chart
Loading graphics...
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
CPNS Performance Chart
Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS) is up 1.2% since the beginning of the year. CPNS is currently trading at $28 per share.
Loading graphics...
Returns By Period
Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS) has returned 1.15% so far this year and 9.57% over the past 12 months.
Calamos Nasdaq-100 Structured Alt Protection ETF - September
- 1D
- 0.17%
- 1M
- 0.94%
- YTD
- 1.15%
- 6M
- 1.96%
- 1Y
- 9.57%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- 1.02%
- 1M
- 3.83%
- YTD
- 0.60%
- 6M
- 3.48%
- 1Y
- 28.39%
- 3Y*
- 18.51%
- 5Y*
- 10.79%
- 10Y*
- 12.71%
CPNS Monthly Returns History
Based on dividend-adjusted daily data since Sep 3, 2024, CPNS's average daily return is +0.03%, while the average monthly return is +0.55%. At this rate, an investment would double in approximately 10.5 years.
Historically, 75% of months were positive and 25% were negative. The best month was May 2025 with a return of +2.4%, while the worst month was Mar 2025 at -1.4%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 2 months.
On a daily basis, CPNS closed higher 62% of trading days. The best single day was Apr 9, 2025 with a return of +1.9%, while the worst single day was Apr 3, 2025 at -1.2%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.51% | -0.13% | -0.55% | 1.33% | 1.15% | ||||||||
| 2025 | 0.83% | -0.19% | -1.44% | 0.70% | 2.37% | 1.55% | 0.75% | 0.53% | 0.98% | 0.62% | 0.07% | 0.31% | 7.25% |
| 2024 | 1.42% | -0.09% | 1.05% | 0.40% | 2.79% |
Benchmark Metrics
Calamos Nasdaq-100 Structured Alt Protection ETF - September has an annualized alpha of 4.00%, beta of 0.20, and R² of 0.85 versus S&P 500 Index. Calculated based on daily prices since September 04, 2024.
- This ETF participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (25.92%) than losses (6.43%) — typical of diversified or defensive assets.
- This ETF generated an annualized alpha of 4.00% versus S&P 500 Index — delivering returns beyond what market exposure alone would predict.
- Beta of 0.20 indicates this ETF moves significantly less than S&P 500 Index — a genuinely defensive profile with reduced participation in both market rallies and downturns.
- Alpha
- 4.00%
- Beta
- 0.20
- R²
- 0.85
- Upside Capture
- 25.92%
- Downside Capture
- 6.43%
Expense Ratio
CPNS has an expense ratio of 0.69%, placing it in the medium range.
Return for Risk
Risk / Return Rank
CPNS ranks 95 for risk / return — in the top 95% of ETFs on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS) and compare them to a chosen benchmark (S&P 500 Index).
| CPNS | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 3.54 | 2.17 | +1.37 |
Sortino ratioReturn per unit of downside risk | 5.71 | 3.02 | +2.68 |
Omega ratioGain probability vs. loss probability | 1.85 | 1.41 | +0.45 |
Calmar ratioReturn relative to maximum drawdown | 7.04 | 2.88 | +4.16 |
Martin ratioReturn relative to average drawdown | 34.02 | 13.00 | +21.02 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore CPNS risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
Loading graphics...
Worst Drawdowns
The table below displays the maximum drawdowns of the Calamos Nasdaq-100 Structured Alt Protection ETF - September. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Calamos Nasdaq-100 Structured Alt Protection ETF - September was 3.99%, occurring on Apr 8, 2025. Recovery took 24 trading sessions.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -3.99% | Feb 20, 2025 | 34 | Apr 8, 2025 | 24 | May 13, 2025 | 58 |
| -1.31% | Jan 28, 2026 | 43 | Mar 30, 2026 | 6 | Apr 8, 2026 | 49 |
| -0.79% | Oct 29, 2025 | 17 | Nov 20, 2025 | 7 | Dec 2, 2025 | 24 |
| -0.67% | Nov 8, 2024 | 6 | Nov 15, 2024 | 10 | Dec 2, 2024 | 16 |
| -0.6% | Oct 30, 2024 | 2 | Oct 31, 2024 | 4 | Nov 6, 2024 | 6 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading graphics...
Build a portfolio with CPNS
Add Calamos Nasdaq-100 Structured Alt Protection ETF - September to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Analyzer with CPNS