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ClearSign Technologies Corporation (CLIR)

$4.00 $-0.06 (-1.50%) |Avoid · 16
Signals are mixed — the Council read leans SELL (30/100) while the AI fundamental score is 16/100 (grade F); the two lenses disagree, so weigh the breakdown below. Strongest signal: Ray Dalio bullish · Biggest watch-out: Seth Klarman bearish.
MCap: $24.76M| Vol: 5.9K| Target: $20.00 (+400.1%)| 52-wk range: $3.24 – $11.20
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

ClearSign Technologies Corporation (CLIR) trades at $4.00 with AI Score 16/100 (Grade F). ClearSign Technologies Corporation specializes in developing and deploying technologies aimed at enhancing energy efficiency and reducing emissions in industrial systems. Market cap: $24.76M, Sector: Industrials.

Price live · AI analysis from May 7, 2026
ClearSign Technologies Corporation specializes in developing and deploying technologies aimed at enhancing energy efficiency and reducing emissions in industrial systems. Their solutions target the energy, chemical, and petrochemical sectors.

CLIR stock analysis for 2026: Analysts have set a consensus price target of $20.00 for ClearSign Technologies Corporation, suggesting 400.1% upside from the current price of $4.00. The AI MoonshotScore is 16/100, indicating a strong bearish outlook. Key factors: analyst coverage, AI-driven quantitative scoring.

Council Score · Weighted Average of 3 Disciplines
SELL 30/100 · D

CLIR: 4/7 perspectives are bearish. Dominant signal: Seth Klarman bearish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI
Ray Dalio
Bullish
Ken Griffin
Bearish
Jim Simons
Neutral
Izzy Englander
Bearish
Seth Klarman
Bearish
Moon AI
Neutral
Council Score · 8 perspectives · See tabs for details →

ClearSign Technologies Corporation (CLIR) Industrial Operations Profile

CEOColin James Deller
Employees18
HeadquartersTulsa, OK, US
IPO Year2012

ClearSign Technologies Corporation designs and develops emission reduction and energy efficiency technologies for industrial and commercial systems, focusing on burner and flame sensor solutions. Serving the energy, chemical, and petrochemical industries, ClearSign aims to improve operational performance and cost-effectiveness through innovative combustion technologies.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: May 7, 2026

What Is the Investment Thesis for CLIR?

ClearSign Technologies Corporation presents a focused investment opportunity within the industrial pollution and treatment controls sector. The company's innovative burner and flame sensor technologies cater to industries facing increasing pressure to reduce emissions and improve energy efficiency. Key value drivers include the adoption of ClearSign's technologies in the energy, chemical, and petrochemical sectors, driven by regulatory mandates and economic incentives for cleaner operations. The company's small market capitalization ($0.03B) suggests potential for significant growth if its technologies gain wider acceptance. However, the negative profit margin (-105.0%) indicates ongoing challenges in achieving profitability. Upcoming catalysts include potential new contracts and regulatory changes favoring emissions reduction technologies. Investors should monitor the company's ability to secure contracts, manage operating expenses, and achieve sustainable profitability.

Based on FMP financials and quantitative analysis

CLIR Key Highlights

  • Market capitalization of $24.76M indicates a small-cap company with potential for high growth but also higher risk.
  • Gross margin of 27.2% demonstrates the company's ability to generate revenue above the direct costs of its products and services.
  • Profit margin of -105.0% highlights significant challenges in achieving profitability, requiring close monitoring of cost management and revenue growth.
  • Beta of 1.26 suggests the stock is more volatile than the overall market, indicating higher potential risk and reward.
  • ClearSign serves industries facing increasing pressure to reduce emissions, positioning the company to benefit from stricter environmental regulations.

Who Are CLIR's Competitors?

CLIR is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
FLR Fluor Corporation $50.66 +2.46% $7.08B 36
CE Celanese Corporation $47.60 -0.17% $5.22B 41
OI O-I Glass, Inc. $9.87 +0.77% $1.51B 42
BCHTD Birchtech Corp. $3.49 +1.16% $67.90M 65
ACTHF Aduro Clean Technologies Inc. $5.45 +0.00% $148.38M 61
MTWTF METAWATER Co., Ltd. $22.88 +0.00% $1.00B 56
EMFGF Fluence Corporation Limited $0.05 +0.00% $57.65M 56
SSHPF Vow ASA $0.26 -1.63% $75.51M 45

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

What Are CLIR's Key Strengths?

  • Innovative burner and flame sensor technologies.
  • Focus on emission reduction and energy efficiency.
  • Direct burner replacement solutions for refinery process heaters.
  • Serves industries facing increasing environmental regulations.

What Are CLIR's Weaknesses?

  • Negative profit margin.
  • Small market capitalization.
  • Limited brand recognition.
  • Dependence on a small number of key customers.

What Could Drive CLIR Stock Higher?

  • Potential new contracts for ClearSign's burner and flame sensor technologies.
  • Increasing stringency of environmental regulations driving demand for emission reduction technologies.
  • Growing awareness of the need for energy efficiency in industrial processes.
  • Potential partnerships with larger industrial companies to expand market reach.

What Are the Key Risks for CLIR?

  • Financial-distress signal — its Altman Z-Score of -9.03 sits in the distress zone (elevated bankruptcy risk).
  • Negative return on equity (-61.2%) — the business is not currently generating profit on shareholder capital.
  • Weak fundamentals — a Piotroski F-Score of 2/9 flags soft profitability, leverage or efficiency.
  • Competition from larger, more established companies with greater resources.
  • Changes in environmental regulations that could impact the demand for ClearSign's technologies.
  • Economic downturns affecting industrial spending and capital investments.
  • Technological obsolescence if ClearSign fails to innovate and adapt to changing market needs.
  • The company's negative profit margin poses a risk to its long-term financial sustainability.

What Are the Growth Opportunities for CLIR?

  • Expansion in the Chinese Market: ClearSign has the opportunity to expand its presence in the People's Republic of China, a large and growing market with increasing environmental concerns. China's commitment to reducing emissions and improving air quality creates a significant demand for ClearSign's technologies. Successful penetration of the Chinese market could drive substantial revenue growth over the next 3-5 years, contingent on navigating regulatory hurdles and establishing strategic partnerships.
  • Adoption of ClearSign Core Plug & Play Technology: The ClearSign Core Plug & Play technology offers a direct burner replacement solution for traditional refinery process heaters, providing a streamlined upgrade path for existing infrastructure. This technology can drive growth by offering a cost-effective and efficient solution for refineries seeking to improve energy efficiency and reduce emissions. Increased adoption of this technology could lead to significant revenue growth within the next 2-3 years.
  • Penetration of the Commercial and Industrial Boiler Market: ClearSign's ClearSign Core Boiler Burner technology targets the commercial and industrial boiler market, offering enhanced energy efficiency and emission reduction. This market represents a significant opportunity for growth, driven by the need for cleaner and more efficient boiler systems in various industries. Successful penetration of this market could lead to a steady stream of revenue over the next 3-5 years.
  • Development of New Flame Sensor Applications: ClearSign's ClearSign Eye Flame Sensor technology has the potential for application in a wide range of industrial settings beyond its current applications. Developing new applications for this technology, such as in power generation and waste incineration, could drive growth by expanding the company's addressable market. This expansion could materialize within the next 2-4 years, contingent on successful research and development efforts.
  • Leveraging Regulatory Mandates: Increasingly stringent environmental regulations are driving demand for emission reduction technologies. ClearSign can capitalize on this trend by positioning its technologies as solutions for companies seeking to comply with these mandates. Actively marketing its technologies as compliance solutions can drive adoption and revenue growth over the next 1-3 years, particularly in regions with strict environmental regulations.

What Opportunities Does CLIR Have?

  • Expansion in the Chinese market.
  • Adoption of ClearSign Core Plug & Play technology.
  • Penetration of the commercial and industrial boiler market.
  • Development of new flame sensor applications.

What Threats Does CLIR Face?

  • Competition from larger, more established companies.
  • Changes in environmental regulations.
  • Economic downturns affecting industrial spending.
  • Technological obsolescence.

What Are CLIR's Competitive Advantages?

  • Proprietary burner technology designs.
  • Specialized flame sensor technology.
  • Focus on emission reduction and energy efficiency.
  • Direct burner replacement solutions for refinery process heaters.

What Does CLIR Do?

ClearSign Technologies Corporation, founded in 2008 and headquartered in Tulsa, Oklahoma, specializes in designing and developing technologies to enhance operational performance, energy efficiency, emission reduction, safety, and cost-effectiveness in industrial and commercial systems. The company's core offerings include the ClearSign Core Burner Technology, which integrates an industrial burner body with a downstream porous ceramic structure or metal flame stabilizing device, optimizing combustion processes. Additionally, ClearSign provides the ClearSign Core Plug & Play technology, offering direct burner replacements for traditional refinery process heaters, streamlining upgrades and improving efficiency. Their ClearSign Eye Flame Sensor serves as an electrical flame sensor for industrial applications, enhancing safety and control. ClearSign also offers ClearSign Core Boiler Burner and ClearSign Core Flaring Burners technologies, addressing diverse needs within the energy, institutional, commercial, chemical, and petrochemical industries. Originally known as ClearSign Combustion Corporation, the company rebranded in November 2019 to reflect its broader technological focus. ClearSign's technologies are designed for deployment in the United States and the People's Republic of China, targeting significant markets for industrial efficiency and emissions control.

What Products and Services Does CLIR Offer?

  • Designs and develops industrial burner technologies.
  • Creates flame sensor technologies for industrial applications.
  • Offers solutions for enhancing energy efficiency in industrial systems.
  • Provides technologies for reducing emissions in industrial processes.
  • Develops burner replacement technologies for refinery process heaters.
  • Serves the energy, chemical, and petrochemical industries.
  • Focuses on improving operational performance and cost-effectiveness of industrial systems.

How Does CLIR Make Money?

  • Develops and sells industrial burner and flame sensor technologies.
  • Generates revenue through the sale of its ClearSign Core Burner Technology, ClearSign Core Plug & Play technology, and ClearSign Eye Flame Sensor.
  • Targets energy, chemical, and petrochemical companies seeking to improve energy efficiency and reduce emissions.
  • Provides direct burner replacement solutions for refinery process heaters.

What Industry Does CLIR Operate In?

ClearSign Technologies Corporation operates within the industrial pollution and treatment controls sector, a market driven by increasing environmental regulations and the need for energy efficiency. The industry is characterized by a mix of established players and innovative startups, all vying to provide solutions for emission reduction and resource optimization. Trends include the adoption of advanced combustion technologies, the integration of digital monitoring and control systems, and the development of sustainable energy solutions. ClearSign's focus on burner and flame sensor technologies positions it to capitalize on the demand for cleaner and more efficient industrial processes. The competitive landscape includes companies offering similar emission control technologies, requiring ClearSign to differentiate itself through innovation and cost-effectiveness.

Who Are CLIR's Key Customers?

  • Energy companies seeking to improve energy efficiency and reduce emissions.
  • Chemical companies requiring advanced burner technologies for their processes.
  • Petrochemical companies needing solutions for emission reduction and energy optimization.
  • Commercial and industrial facilities operating boiler systems.
AI Confidence: 71% Updated: May 7, 2026

Net buyingInsider Activity

Over the past six months, ClearSign Technologies Corporation insiders filed 24 SEC Form 4 transactions — 9 sales and 15 purchases. On net that is roughly 200K shares acquired (about $10K) — insiders putting money in tends to read as conviction.

FY2026 estForward Outlook

Wall Street analysts project ClearSign Technologies Corporation revenue of about $5.6M for fiscal 2026, with EPS near $-0.98.

F-Score 2/9Financial Health

ClearSign Technologies Corporation's Piotroski F-Score is 2/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of -9.03 places it in the distress zone, a signal of elevated financial risk.

ROE -61%Key Financial Metrics

Return on equity for ClearSign Technologies Corporation stands at -61.2%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -57.0%, showing how much profit it generates from its asset base. Its free cash flow yield is -22.1%, a gauge of the cash the business throws off relative to its market value. A current ratio of 3.85 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -26.9%, the inverse of the P/E and a quick read on earnings relative to price.

ClearSign Technologies Corporation (CLIR) Valuation Context

Valued at $24.76M, CLIR is classified as a micro-cap stock. Relative to its peer group, CLIR's quantitative score of 16/100 is below the peer average of 49/100.

CLIR Revenue & Earnings Trend

In Q1 2026, CLIR generated $191K in top-line revenue, marking a sequential decrease of 94.8%. The company recorded a net loss of $2.2M, with diluted EPS of $-0.39. Quarter-over-quarter revenue has been mixed, typical for a micro-cap company operating in Industrials. Across the four most recent quarters, CLIR averaged $-0.25 in diluted EPS.

Company Profile

ClearSign Technologies Corporation operates in the Industrial - Pollution & Treatment Controls industry within the Industrials sector. It is headquartered in Tulsa, US. The company is led by CEO Colin James Deller. CLIR has traded publicly since 2012.

CLIR Financials

Fundamental Snapshot

Revenue Growth (FY)
+45.6%
Net Income Growth (FY)
-3.7%
EPS Growth (FY)
+10.0%
Free Cash Flow Growth (FY)
-5.4%
Return on Equity (TTM)
-61.2%
Current Ratio
3.8

Based on FMP financials and quantitative analysis · FY 2025

Bull Case vs Bear Case

Bull Case

  • Innovative burner and flame sensor technologies.
  • Focus on emission reduction and energy efficiency.
  • Direct burner replacement solutions for refinery process heaters.
  • Serves industries facing increasing environmental regulations.

Bear Case

  • Negative profit margin.
  • Small market capitalization.
  • Limited brand recognition.
  • Dependence on a small number of key customers.

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

Recent Quarterly Results

Quarter Revenue Net Income EPS
Q1 2026 $191,000 -$2M -$0.39
Q4 2025 $4M -$311,000 -$0.05
Q3 2025 $1M -$1M -$0.26
Q2 2025 $133,000 -$2M -$0.30

Based on FMP financials and quantitative analysis

CLIR Latest News

CLIR Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for CLIR.

Price Targets

Consensus target: $20.00

CLIR MoonshotScore

16/100

What does this score mean?

The MoonshotScore rates CLIR's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.

Leadership: Colin James Deller

CEO

Colin James Deller serves as the CEO of ClearSign Technologies Corporation, bringing extensive experience in technology and management. His background includes leadership roles in various technology-driven companies, focusing on strategic growth and operational efficiency. Deller's expertise spans across engineering, product development, and market commercialization, providing a comprehensive understanding of the technology landscape. He is responsible for guiding ClearSign's strategic direction and driving the adoption of its innovative technologies in the energy, chemical, and petrochemical industries.

Track Record: Under Colin James Deller's leadership, ClearSign Technologies Corporation has focused on expanding its product offerings and market reach. Key achievements include securing contracts for its burner and flame sensor technologies and navigating the challenges of a competitive market. Deller has emphasized innovation and customer satisfaction, driving the company's efforts to provide cost-effective and efficient solutions for emission reduction and energy optimization.

CLIR Industrials Stock FAQ

What does ClearSign Technologies Corporation do?

ClearSign Technologies Corporation designs, develops, and markets technologies aimed at enhancing energy efficiency and reducing emissions in industrial and commercial systems. Their core products include specialized burners and flame sensors tailored for the energy, chemical, and petrochemical industries. The company's solutions are designed to improve operational performance, safety, and cost-effectiveness, helping companies meet increasingly stringent environmental regulations and optimize their energy consumption. ClearSign's technologies offer a pathway for industries to achieve cleaner and more efficient operations.

What do analysts say about CLIR stock?

Analyst coverage of ClearSign Technologies Corporation (CLIR) is limited, reflecting its small market capitalization and niche focus within the industrial sector. Key valuation metrics, such as price-to-earnings ratio, are not applicable due to the company's current lack of profitability. Growth considerations center on ClearSign's ability to secure new contracts, expand its market reach, and achieve sustainable profitability. Investors should closely monitor the company's financial performance, technological advancements, and regulatory landscape to assess its long-term potential. Analyst sentiment is cautiously optimistic, pending further evidence of revenue growth and improved financial stability.

What are the main risks for CLIR?

ClearSign Technologies Corporation faces several key risks, including intense competition from larger, more established companies with greater financial and technical resources. The company's small size and limited brand recognition make it vulnerable to market pressures and competitive pricing. Changes in environmental regulations could also impact the demand for ClearSign's technologies, either positively or negatively. Furthermore, economic downturns could reduce industrial spending and capital investments, affecting ClearSign's ability to secure new contracts and generate revenue. The company's ongoing negative profit margin poses a significant risk to its long-term financial sustainability, requiring careful cost management and revenue growth strategies.

What are the key factors to evaluate for CLIR?

ClearSign Technologies Corporation (CLIR) holds an AI score of 16/100 (low). Analysts target $20.00 (+400%). Not financial advice.

How frequently does CLIR data refresh on this page?

CLIR prices update in real time during U.S. market hours. Fundamentals refresh after quarterly filings; analyst ratings and AI insights update daily; news is aggregated continuously.

What has driven CLIR's recent stock price performance?

ClearSign Technologies Corporation (CLIR) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Innovative burner and flame sensor technologies. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider CLIR overvalued or undervalued right now?

Valuing ClearSign Technologies Corporation (CLIR) requires multiple metrics. Analysts target $20.00 (+400%) — upside seen. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

What research should beginners do before buying CLIR?

Before investing in ClearSign Technologies Corporation (CLIR), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) what Wall Street analysts recommend and their price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).

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 AI Score refreshed daily
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. 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
  • Financial data is based on the most recent available information.
  • Analyst sentiment is based on limited coverage and may not be representative of all opinions.
  • This dossier is for informational purposes only and does not constitute investment advice.
Data Sources

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