# Calamos S&P 500 Structured Alt Protection ETF – December (CPSD) — Overview

CPSD · NYSE · Fund

Canonical page: https://www.lighthorse.io/tickers/cpsd

## Price

Last close $27.25 on Oct 15, 2026. 52-week range $25.47 – $27.26.

## Fund profile

CPSD seeks to track the return of the SPDR S&P 500 ETF Trust (SPY), to a cap, with 100% downside hedge over a one-year outcome period. The actively managed fund holds FLEX options to obtain exposure. The fund aims to outperform cash holdings.

| Metric | Value |
| --- | --- |
| Issuer | Calamos Advisors LLC |
| Industry | — |
| Inception | Dec 2, 2024 |
| Assets under management | $46.3M |
| Expense ratio | 0.69% |
| Net asset value | $27.25 (as of Oct 14, 2026) |
| Distributions | Annually |
| Leverage | 1x |

## Frequently Asked Questions

### What is Calamos S&P 500 Structured Alt Protection ETF – December (CPSD)?

CPSD seeks to track the return of the SPDR S&P 500 ETF Trust (SPY), to a cap, with 100% downside hedge over a one-year outcome period. The actively managed fund holds FLEX options to obtain exposure. The fund aims to outperform cash holdings.

### What is CPSD's expense ratio?

Calamos S&P 500 Structured Alt Protection ETF – December charges an annual expense ratio of 0.69%. The fund is issued by Calamos Advisors LLC.

### How large is CPSD?

Calamos S&P 500 Structured Alt Protection ETF – December manages $46.3M in assets and has traded since Dec 2, 2024.

### How do I buy shares of Calamos S&P 500 Structured Alt Protection ETF – December (CPSD)?

CPSD trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at [Light Horse Dashboard](https://portal.lighthorse.io), the trading API, or an [AI agent connected over MCP](/instructions/ai/claude). The trade panel on this page places the order once you are signed in.

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Quotes and charts are not real-time and must not be relied on for trade decisions or valuation.

This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).