Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) Sortino Ratio: 5.72
CPSD's Sortino Ratio of 5.72 indicates that for each unit of downside volatility, it generates 5.72 units of excess return. The ratio is calculated using historical daily returns over the past 12 months (as of Apr 17, 2026).
Unlike other measures, Sortino only focuses on downside volatility (losses), making it particularly useful for investors more concerned about protecting against drawdowns than overall price swings.
CPSD Sortino Ratio Rank
CPSD ranks above 95.8% of all investments in our database based on Sortino Ratio over the past 12 months, demonstrating exceptional downside-adjusted returns. Securities are ranked from 0 (worst) to 100 (best).
What moves the rank
- Strong returns with minimal downside volatility → Higher rank
- Severe or frequent drawdowns → Lower rank
- Upside volatility → No impact (Sortino doesn't penalize upside swings)
What you can do with this information
- Suitable as a core holding given strong downside protection
- Monitor rank changes to detect weakening downside characteristics
- Exceptional risk-adjusted profile supports larger position sizes
- Compare with category peers to assess whether strength is investment-specific or category-wide
CPSD Sortino Ratio Market Positioning
The chart shows CPSD's Sortino Ratio relative to all ETFs on our platform, with color zones indicating percentile rankings. Higher ratios indicate better downside-adjusted returns.
- Red zone (bottom 25%): 1.80 or lower
- Yellow zone (middle 50%): 1.80 to 3.77
- Green zone (top 25%): 3.77 or higher
- Top 1%: 12.86+
- Median: 2.91 — half of all investments score higher
How it compares to other similar ETFs
The table compares Calamos S&P 500 Structured Alt Protection ETF - December's Sortino Ratio with other ETFs in the Defined Outcome, S&P 500 category across multiple time periods, showing how CPSD's risk-adjusted performance compares to similar funds.
Data shows 1-, 5-, and 10-year periods, plus each fund's all-time average, as of Apr 17, 2026.
| Symbol | Name | 1Y Sortino Ratio | 5Y Sortino Ratio | 10Y Sortino Ratio | All Time Sortino Ratio |
|---|---|---|---|---|---|
| MMAX | iShares Large Cap Max Buffer Mar ETF | 9.82 | |||
| NAPR | Innovator Nasdaq-100 Power Buffer ETF - April | 9.13 | |||
| ZAPR | Innovator Equity Defined Protection ETF - 1 Yr April | 8.24 | |||
| EAPR | Innovator Emerging Markets Power Buffer ETF - April | 8.06 | |||
| PAPR | Innovator U.S. Equity Power Buffer ETF - April | 7.93 | |||
| UAPR | Innovator U.S. Equity Ultra Buffer ETF - April | 7.84 | |||
| PSFM | Pacer Swan SOS Flex (April) ETF | 7.57 | |||
| XBAP | Innovator U.S. Equity Accelerated 9 Buffer ETF - April | 7.46 | |||
| PSMR | Pacer Swan SOS Moderate (April) ETF | 7.14 | |||
| CPNS | Calamos Nasdaq-100 Structured Alt Protection ETF - September | 7.14 | |||
| CPSD | Calamos S&P 500 Structured Alt Protection ETF - December | 5.72 |
Historical Sortino Ratio
The chart shows CPSD's rolling Sortino ratio over time compared to your chosen benchmark. Rising trends indicate improving returns relative to downside risk, while declining trends may signal deteriorating risk-adjusted performance or increased volatility during market stress. Use multiple timeframes to distinguish short-term fluctuations from long-term patterns.
Identify market cycles by observing when CPSD consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.
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Explore CPSD risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.