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Calamos S&P 500 Structured Alt Protection ETF – October (CPSO) Fund Overview

Educational signal · not a buy or sell recommendation · How to read this

$28.43 +$0.015 (+0.05%)
Vol: 877|

Beta 1.00: the stock has moved roughly in step with the S&P 500.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.0-flash, generated Mar 16, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Quick Answer

Calamos S&P 500 Structured Alt Protection ETF – October (CPSO) trades at $28.43. Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) is an exchange-traded fund focused on providing structured downside protection.

Price as of · Last analyzed: Mar 16, 2026
Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) is an exchange-traded fund focused on providing structured downside protection. The fund achieves this by investing substantially all of its assets in Flexible Exchange Options (FLEX Options) that reference the price performance of the SPDR® S&P 500® ETF Trust.

Analyst Coverage for CPSO: CPSO does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage.

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Calamos S&P 500 Structured Alt Protection ETF – October Company Overview

Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) offers investors exposure to the S&P 500 while aiming to provide a level of downside protection through FLEX Options. As a non-diversified fund, CPSO concentrates its investments in derivatives linked to the SPDR® S&P 500® ETF Trust, targeting investors seeking alternative risk management strategies.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 16, 2026

What Is the Investment Thesis for CPSO?

AI-written as of Mar 16, 2026 — figures and tone reflect the data available then, not today's score.

CPSO presents an investment proposition centered on providing structured downside protection within the S&P 500. The fund's primary value driver is its ability to mitigate losses during market declines through its FLEX Options strategy. With a beta of 1.00, CPSO's volatility is expected to align with the broader market. However, the absence of dividend yield may deter income-focused investors. The fund's success hinges on the effective management of its options positions and the continued demand for downside protection strategies in the face of market uncertainty. Investors should carefully consider the costs associated with options-based strategies and the potential for underperformance during periods of strong market gains.

Based on FMP financials and quantitative analysis

CPSO Key Highlights

AI-written as of Mar 16, 2026 — figures and tone reflect the data available then, not today's score.

CPSO invests substantially all of its assets in Flexible Exchange Options (FLEX Options) that reference the price performance of the SPDR® S&P 500® ETF Trust.

  • The fund is non-diversified, allowing for concentrated investment in its chosen strategy.
  • CPSO aims to provide a level of downside protection while tracking the S&P 500.
  • The fund has a beta of 1.00, indicating market-level volatility.
  • CPSO does not offer a dividend yield, focusing instead on capital appreciation with downside protection.

What Are CPSO's Key Strengths?

Structured approach to downside protection.

  • Exposure to the S&P 500.
  • Active management of options positions.
  • Potential for capital appreciation.

What Are CPSO's Weaknesses?

Non-diversified nature increases risk.

  • Performance dependent on options strategy effectiveness.
  • No dividend yield.
  • Potential for underperformance during strong market rallies.

What Are the Key Risks for CPSO?

Ineffective options management leading to underperformance.

  • Higher costs associated with options-based strategies.
  • Market downturns negatively impacting fund performance.
  • Competition from other ETFs offering similar strategies.

What Threats Does CPSO Face?

  • Increased competition from other structured ETFs.
  • Changes in market volatility.
  • Regulatory changes affecting options trading.
  • Economic downturns.

What Are CPSO's Competitive Advantages?

  • Proprietary options trading strategies.
  • Expertise in managing FLEX Options.
  • Established track record in providing downside protection.
  • Brand recognition within the structured ETF market.

What Does CPSO Do?

Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) is designed to provide investors with exposure to the S&P 500 while seeking to mitigate potential downside risk. The fund achieves this objective by investing primarily in Flexible Exchange Options (FLEX Options) that are linked to the performance of the SPDR® S&P 500® ETF Trust, a widely recognized benchmark for the U.S. equity market. FLEX Options are customized option contracts traded on an exchange, allowing the fund to tailor its risk management strategy. CPSO is a non-diversified fund, meaning it can invest a significant portion of its assets in a smaller number of investments compared to a diversified fund. This concentration can potentially lead to higher returns but also carries increased risk. The fund's investment strategy focuses on utilizing options to create a structured approach to downside protection, aiming to limit losses during market downturns while still participating in potential upside gains. The fund's objective is to provide a balance between market exposure and risk management, appealing to investors seeking alternative strategies to navigate market volatility. CPSO's investment approach is centered around actively managing its FLEX Options positions to adapt to changing market conditions and maintain its desired level of downside protection. The fund's performance is closely tied to the performance of the SPDR® S&P 500® ETF Trust and the effectiveness of its options strategy in managing risk.

What Products and Services Does CPSO Offer?

  • Invests substantially all assets in Flexible Exchange Options (FLEX Options).
  • FLEX Options reference the price performance of the SPDR® S&P 500® ETF Trust.
  • Aims to provide downside protection while tracking the S&P 500.
  • Manages options positions to adapt to changing market conditions.
  • Offers investors exposure to the S&P 500 with a focus on risk management.
  • Operates as a non-diversified fund, concentrating its investments.

How Does CPSO Make Money?

  • Generates revenue through management fees charged on assets under management (AUM).
  • Implements a structured investment strategy using FLEX Options.
  • Provides a vehicle for investors seeking downside protection in the S&P 500.
  • Actively manages its options positions to achieve its investment objective.

What Industry Does CPSO Operate In?

CPSO operates within the broader exchange-traded fund (ETF) market, specifically in the segment of funds offering structured or alternative strategies. This segment has grown as investors seek solutions to manage risk and enhance returns in volatile market conditions. The competitive landscape includes other ETFs that utilize options or other derivatives to provide downside protection or generate income. The demand for such strategies is influenced by market trends, investor sentiment, and the overall macroeconomic environment. CPSO's success depends on its ability to effectively manage its options strategy and differentiate itself from competitors in terms of cost, performance, and risk management.

Who Are CPSO's Key Customers?

  • Retail investors seeking downside protection.
  • Financial advisors looking for risk management solutions for their clients.
  • Institutional investors seeking alternative investment strategies.
  • Investors who want exposure to the S&P 500 with reduced risk.
Model self-rating on this text: 66% (not a measure of the evidence) Updated: Mar 16, 2026

Research confidence

Low

Thin evidence — scoring coverage unknown. Treat this as a starting point, not a conclusion.

  • ● Scoring coverage unknown
  • ● Price is current
  • ● No filing on record
  • ● No analyst coverage
  • ● This is an etf, not an operating company

MoonshotScore History

Recorded daily since 2026-08-23 · 42 snapshots

2026-08-23 47
2026-08-31 47
2026-09-08 47
2026-09-16 47
2026-09-24 47
2026-10-04 47
2026-10-05 47

What changed?

The score has stayed at 47.

Over the same 30 days the stock moved +0.7%.

CPSO Financials

Bull Case vs Bear Case

Bull Case

  • Structured approach to downside protection.
  • Exposure to the S&P 500.
  • Active management of options positions.
  • Potential for capital appreciation.

Bear Case

  • Non-diversified nature increases risk.
  • Performance dependent on options strategy effectiveness.
  • No dividend yield.
  • Potential for underperformance during strong market rallies.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026

CPSO Latest News

No recent news available for CPSO.

CPSO Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for CPSO.

Price Targets

Wall Street price target analysis for CPSO.

CPSO MoonshotScore

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. No MoonshotScore is published for CPSO; grades run from A+ (80-100) to F (below 30).

Calamos S&P 500 Structured Alt Protection ETF – October Stock: Key Questions Answered

What are the main risks for CPSO?

The primary risks associated with CPSO include the non-diversified nature of the fund, which concentrates its investments in FLEX Options.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated

MoonshotScore is not published for this security.

Data Sources & Methodology
Figures come from Financial Modeling Prep (FMP). If FMP has no figure for a ticker, a price or fundamental may come from a Yahoo Finance fallback, or a price from an Alpaca fallback. SEC EDGAR is used only for filing links and company identity details (legal name, address), never for figures. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • The fund's performance is highly dependent on the effectiveness of its options strategy.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis