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Calamos S&P 500 Structured Alt Protection ETF – March (CPSR) Fund Overview

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

$26.25 +$0.053 (+0.20%)
Vol: 2.0K|

Beta 0.11: the stock has moved about 89% less than the S&P 500.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.5-flash, generated Jun 15, 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 – March (CPSR) trades at $26.25. Calamos S&P 500 Structured Alt Protection ETF – March (CPSR) offers investors exposure to the S&P 500's positive price return up to a defined cap. Sector: Financials.

Price as of · Last analyzed: Jun 15, 2026
Calamos S&P 500 Structured Alt Protection ETF – March (CPSR) offers investors exposure to the S&P 500's positive price return up to a defined cap. It is designed to protect against 100% of losses over a one-year period, before fees and expenses, appealing to risk-averse investors seeking buffered equity exposure.

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

▶ Watch the CPSR film Every key number, told as a short cinematic story — just press play. ~2 min

Calamos S&P 500 Structured Alt Protection ETF – March (CPSR) Financial Services Profile

HeadquartersWilmington, US
IPO Year2025

Calamos S&P 500 Structured Alt Protection ETF – March (CPSR) provides buffered equity exposure, aiming to match S&P 500 positive returns up to a cap while protecting against 100% of losses over a one-year period. This defined outcome strategy positions it for investors seeking downside protection within the Financial Services sector.

Data Provenance | Financial Data Quantitative Analysis Analysis: Jun 15, 2026

What Is the Investment Thesis for CPSR?

AI-written as of Jun 15, 2026 — figures and tone reflect the data available then, not today's score.

Calamos S&P 500 Structured Alt Protection ETF – March (CPSR) presents a distinct investment proposition for institutional investors seeking buffered equity exposure. Its primary value driver is the explicit 100% downside protection against S&P 500 losses over a one-year period, before fees and expenses, which is a significant differentiator in volatile market environments. The fund's low Beta of 0.11 underscores its reduced sensitivity to broader market movements, aligning with its protective mandate. Growth catalysts for CPSR are largely tied to increasing investor demand for defined outcome strategies, particularly among risk-averse investors and those looking to manage portfolio volatility without completely exiting equity markets. The ongoing market uncertainty and the appeal of a pre-defined risk/reward profile could drive asset under management (AUM) growth. However, the investment thesis must acknowledge the capped upside potential, which limits participation in strong bull markets, and the impact of fees and expenses on overall returns. The fund's ability to consistently track its stated objectives and the effectiveness of its protection mechanism in various market conditions are critical considerations for its long-term viability and investor appeal.

Based on FMP financials and quantitative analysis

CPSR Key Highlights

AI-written as of Jun 15, 2026 — figures and tone reflect the data available then, not today's score.

Market Capitalization: $0.02 billion, indicating a specialized or newer fund within the ETF landscape.

  • Beta: 0.11, demonstrating very low correlation to the broader market, consistent with its defined outcome protection strategy.
  • Dividend Yield: None, as the fund's primary objective is capital appreciation within its structured parameters, not income generation.
  • Downside Protection: Designed to protect against 100% of S&P 500 losses over a one-year period, before fees and expenses, offering significant risk mitigation.
  • Upside Participation: Structured to match the positive price return of the S&P 500 up to a defined cap, balancing protection with growth potential.

Who Are CPSR's Competitors?

CPSR is benchmarked below against 7 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap MoonshotScore
IBKR Interactive Brokers Group, Inc. $89.05 +0.85% $154B 70 5-pillar
BNJ Brookfield Finance Inc. 4.50% P $14.36 +0.28% $88.6B 44 5-pillar
MGRD Affiliated Managers Group, Inc. $14.19 -0.48% $9.15B 76 5-pillar
RPC Ridgepost Capital, Inc. $7.89 +3.54% $617M 57 5-pillar
KCHV Kochav Defense Acquisition Corp. $10.48 +0.10% $359M 48 5-pillar
SAZ Saratoga Investment Corp. $25.30 +0.20% $316M 37 5-pillar
AURE Aurelion Inc. $1.07 +3.88% 34 5-pillar

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are CPSR's Key Strengths?

Offers 100% protection against S&P 500 losses over a one-year period (before fees and expenses), a significant risk mitigation feature.

  • Low Beta of 0.11 indicates reduced sensitivity to broader market fluctuations, aligning with its protective strategy.
  • Provides transparent, rules-based exposure to the S&P 500, appealing to investors seeking clarity in their investments.
  • Managed by Calamos Investments, leveraging an established firm's expertise in structured products and alternative strategies.

What Are CPSR's Weaknesses?

Capped upside potential limits participation in strong bull markets, potentially underperforming traditional S&P 500 index funds during such periods.

  • Subject to fees and expenses, which can erode returns, particularly if the S&P 500 performance is flat or negative.
  • The one-year outcome period means investors must hold for the full year to realize the defined protection, introducing timing considerations.
  • Potential for tracking error between the fund's performance and its stated objective, impacting the effectiveness of its strategy.

What Are the Key Risks for CPSR?

**Capped Upside Potential:** The defined cap on upside participation means CPSR will underperform a direct S&P 500 investment during strong bull markets, limiting overall return potential.

  • **Impact of Fees and Expenses:** The fund's fees and expenses, even before the 100% loss protection, can erode returns, particularly in periods of flat or negative S&P 500 performance.
  • **Tracking Error:** There is a potential for tracking error between the ETF's performance and its stated objective, which could impact the effectiveness of its protection or upside participation.
  • **Market Conditions Challenging Protection:** While designed for 100% protection, extreme or unprecedented market dislocations could theoretically challenge the operational effectiveness or cost-efficiency of the underlying options strategy.
  • **Opportunity Cost in Strong Bull Markets:** Investors holding CPSR during extended periods of robust S&P 500 growth may experience a significant opportunity cost by missing out on uncapped returns offered by traditional index funds.

What Threats Does CPSR Face?

  • Sustained strong bull markets could diminish the appeal of capped upside strategies, leading to outflows.
  • Competition from other structured product providers, including other defined outcome ETFs and structured notes, offering similar or alternative protections.
  • Changes in regulatory frameworks or tax treatment for options-based strategies could impact the fund's operational efficiency or investor appeal.
  • Prolonged periods of flat or negative S&P 500 performance, where fees could significantly erode returns despite protection.

What Are CPSR's Competitive Advantages?

  • **Defined Outcome Structure:** The specific 100% loss protection over a one-year period (before fees and expenses) combined with a defined cap creates a unique risk/reward profile that differentiates it from standard index funds.
  • **Issuer Expertise:** Calamos Investments' established reputation and expertise in alternative strategies and structured products lend credibility and operational experience to the fund's management.
  • **ETF Wrapper:** The exchange-traded fund structure provides daily liquidity, transparency, and cost-efficiency, which are attractive features compared to some other structured products.
  • **Market Niche:** Targeting a specific segment of investors seeking buffered equity exposure allows CPSR to carve out a distinct position within the broader investment landscape.

What Does CPSR Do?

Calamos S&P 500 Structured Alt Protection ETF – March (CPSR) is an exchange-traded fund designed to offer a unique investment profile within the equity market. As part of the Calamos Structured Protected ETFs suite, CPSR aims to provide investors with participation in the positive price return of the S&P 500, a widely recognized benchmark for large-cap U.S. equities. A core differentiating feature of this ETF is its 'defined outcome' strategy, which is structured to protect against 100% of losses over a specific one-year period, before accounting for fees and expenses. This protective mechanism is balanced by a defined cap, meaning that while investors are shielded from downside movements, their upside participation is limited to a predetermined maximum return. The fund's inception and ongoing management by Calamos Investments underscore its commitment to providing sophisticated investment solutions. Calamos, a global investment management firm, leverages its expertise in alternative strategies to construct and manage such defined outcome products. CPSR's operational framework involves holding a portfolio of options contracts designed to replicate the S&P 500's performance within the specified parameters of protection and cap. This approach caters to a segment of investors who seek equity market exposure but with a pre-defined level of risk mitigation, particularly attractive in periods of market uncertainty or for those with a more conservative risk appetite. The ETF operates with a specific annual cycle, resetting its protection and cap levels each March, aligning its investment objectives with a clear, time-bound framework for its shareholders. Its headquarters are located in Wilmington, US, reflecting its operational base within the American financial market.

What Products and Services Does CPSR Offer?

  • Provides exposure to the positive price return of the S&P 500 index.
  • Offers 100% protection against S&P 500 losses over a one-year period, before fees and expenses.
  • Features a defined cap on upside participation, limiting maximum potential returns.
  • Utilizes a structured strategy, typically involving options, to achieve its defined outcomes.
  • Resets its protection and cap levels annually in March, establishing a new one-year investment period.
  • Aims to serve investors seeking buffered equity exposure with pre-determined risk parameters.

How Does CPSR Make Money?

  • Generates revenue for the issuer (Calamos) through management fees charged on assets under management (AUM).
  • The fund's strategy involves investing in a portfolio of options contracts designed to deliver the defined outcome.
  • The specific cap and buffer levels are determined at the beginning of each one-year outcome period.
  • Attracts investors by offering a transparent, rules-based approach to equity market participation with built-in downside protection.

What Industry Does CPSR Operate In?

CPSR operates within the dynamic Investment - Banking & Investment Services industry, specifically targeting the growing segment of structured products and defined outcome ETFs. This niche has expanded significantly as investors seek innovative ways to manage risk and return in increasingly complex market environments. The broader financial services sector is characterized by intense competition, technological innovation, and evolving regulatory landscapes. CPSR distinguishes itself by offering a pre-defined risk/reward profile, contrasting with traditional passive index funds or actively managed equity strategies. It caters to a market trend favoring transparent, rules-based investment vehicles that provide explicit downside protection. While the overall ETF market continues to grow, defined outcome ETFs represent a smaller but rapidly expanding sub-segment, driven by demand from both retail and institutional investors for solutions that offer a 'buffer' against market downturns. CPSR's positioning is therefore within a specialized area of the investment industry, competing not just with other structured ETFs but also with traditional options strategies and other risk-managed investment products.

Who Are CPSR's Key Customers?

  • Risk-averse investors seeking equity market exposure with explicit downside protection.
  • Financial advisors and wealth managers looking for tools to manage client portfolio volatility.
  • Institutional investors and family offices aiming to diversify risk within their equity allocations.
  • Investors who believe the market will experience moderate growth or sideways movement, making capped upside acceptable for protection.
Model self-rating on this text: 70% (not a measure of the evidence) Updated: Jun 15, 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 50
2026-08-31 50
2026-09-08 50
2026-09-16 50
2026-09-24 50
2026-10-04 50
2026-10-05 50

What changed?

The score has stayed at 50.

Over the same 30 days the stock moved +0.3%.

CPSR Financials

Bull Case vs Bear Case

Bull Case

  • Offers 100% protection against S&P 500 losses over a one-year period (before fees and expenses), a significant risk mitigation feature.
  • Low Beta of 0.11 indicates reduced sensitivity to broader market fluctuations, aligning with its protective strategy.
  • Provides transparent, rules-based exposure to the S&P 500, appealing to investors seeking clarity in their investments.
  • Managed by Calamos Investments, leveraging an established firm's expertise in structured products and alternative strategies.

Bear Case

  • Capped upside potential limits participation in strong bull markets, potentially underperforming traditional S&P 500 index funds during such periods.
  • Subject to fees and expenses, which can erode returns, particularly if the S&P 500 performance is flat or negative.
  • The one-year outcome period means investors must hold for the full year to realize the defined protection, introducing timing considerations.
  • Potential for tracking error between the fund's performance and its stated objective, impacting the effectiveness of its strategy.

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

CPSR Latest News

No recent news available for CPSR.

CPSR Analyst Consensus

Consensus Rating

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

Price Targets

Wall Street price target analysis for CPSR.

CPSR MoonshotScore

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

Common Questions About CPSR (Financials)

How sensitive is CPSR to interest rate changes or broader economic shifts?

CPSR's direct sensitivity to interest rate changes is primarily indirect, as its underlying assets are options contracts tied to the S&P 500. Changes in interest rates can influence the pricing of options, which could affect the cost of maintaining the fund's structured strategy and thus its net performance.

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
  • All information is derived exclusively from the provided source data. No external information or speculative content has been used.
  • The nature of CPSR as an ETF, rather than a traditional operating company, has been carefully considered in shaping the content for all relevant sections.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis