# Calamos S&P 500 Structured Alt Protection ETF - November (CPSN)

> Source: Nexqual · https://nexqual.com/CPSN · data as of 2026-10-23 18:36 UTC · cite as "Nexqual, Calamos S&P 500 Structured Alt Protection ETF - November (CPSN), nexqual.com/CPSN" · informational, not investment advice.

**Price:** USD 28.34 (+0.07% on the day) · last close of Oct 23, 2026; US market closed, not a live price. Prev close 28.32 · day 28.29–28.34 · 52w 26.59–28.35 · market cap null · PCX

## Key facts
- Total return with dividends: 1Y +6.0% vs S&P 500 +14.0%; 5Y +12.9% vs S&P 500 +76.9%.

## Total return (dividends reinvested)
|  | 1Y (from 2025-10-24) | 5Y (from 2024-10-28) |
|---|---|---|
| Total return | +6.0% | +12.9% |
| S&P 500 (SPY) | +14.0% | +76.9% |
| Per year | +6.0% | +6.3% |
| Volatility (annualized) | 2.2% | 2.7% |
| Max drawdown | -1.6% (Feb 2026→Mar 2026) | -2.9% (Feb 2025→Mar 2025) |

## Peers
CPSA (Calamos S&P 500 Structured Alt ) USD 28.17 -0.11% · CPSO (Calamos S&P 500 Structured Alt ) USD 28.45 -0.04% · CPSM (Calamos S&P 500 Structured Alt ) USD 29.68 -0.03% · CPSD (Calamos S&P 500 Structured Alt ) USD 27.24 -0.04% · CPSJ (Calamos S&P 500 Structured Alt ) USD 28.02 -0.28%

## More
Full page: https://nexqual.com/CPSN · Free keyless MCP server with the same data and citations: https://mcp.nexqual.com/mcp · Guide for agents: https://nexqual.com/agents · https://nexqual.com/llms.txt