ClearSign Technologies Corporation (CLIR) AI Stock Analysis

ClearSign Technologies Corporation, based in Tulsa, Oklahoma, designs and develops technologies aimed at improving operational performance, enhancing energy efficiency, reducing emissions, and ensuring safety across industrial and commercial systems. Operating primarily in the United States and the People's Republic of China, it serves the energy, institutional, boiler, chemical, and petrochemical industries. Its core offerings include ClearSign Core Burner Technology, ClearSign Core Plug & Play for refinery process heaters, ClearSign Eye Flame Sensor, and ClearSign Core Boiler and Flaring Burners. Established in 2008 and rebranded in November 2019, the company employs 16 people.

ClearSign achieved a 5-year revenue compound annual growth rate of 160.1% from FY2020 to FY2025. Annual revenue expanded from $607,000 in FY2021 and $374,000 in FY2022 to $2.4M in FY2023, $3.6M in FY2024, and $5.2M in FY2025. Gross margin was -74.5% in FY2021 before turning positive at 31.0% in FY2022, 34.0% in FY2023, 31.1% in FY2024, and 27.2% in FY2025. Operating losses persisted, with operating margin at -113.4% and net income of -$5.5M in FY2025. For the trailing twelve months ending June 30, 2026, revenue stood at $5.5M with an operating margin of -267.5%, while quarterly revenue grew 321.1% year-over-year.

As of June 30, 2026, ClearSign held $9.9M in cash and short-term investments against total debt of $117,000, resulting in net cash of $9.8M. The current ratio stood at 4.78 and the debt-to-equity ratio was 0.01, with shareholders' equity of $9.8M. Operating cash flow in FY2025 was -$4.7M, and free cash flow was -$4.8M. Capital expenditures totaled $101,000 in FY2025, while the company's share count increased 88.4% over five years.

ClearSign has a market capitalization of $16.3M and an enterprise value of $14.3M. The stock trades at a forward P/E of 73.0x, higher than the 17.2x median of its US-listed Industrials peers. Its price-to-sales multiple is 2.8x compared to the peer median of 1.5x, and its EV-to-revenue ratio is 2.6x. Over the past year, the shares fell 72.4%, underperforming the S&P 500 return of 16.8%. Over five years, the stock dropped 87.2%, compared to an 83.0% gain for the S&P 500.

Wall Street coverage consists of 1 Strong Buy rating, with zero Buy, Hold, Sell, or Strong Sell ratings. The mean price target is $20.00, representing a 733.3% premium over the last close of $2.40 on October 16, 2026. For the fiscal year ending December 31, 2026, analysts estimate revenue of $2.9M and an EPS of -$0.94. For the following fiscal year, 2 analysts project revenue of $11.2M and EPS of -$0.53. ClearSign beat EPS estimates in 3 of the last 4 quarters, with next earnings scheduled for November 13, 2026.

This page is an AI-written research summary of ClearSign Technologies Corporation (CLIR). The text was generated on October 30, 2026 from Quotelinks data as of October 16, 2026 (company profile, annual results, latest balance sheet, valuation, price performance and analyst estimates). An automatic check rejects any draft that contains a figure not found in that data. It is not investment advice; verify figures on the linked tabs before making decisions.

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