NASDAQ:CLIR ClearSign Technologies (CLIR) Stock Price, News & Analysis $3.51 -0.04 (-1.13%) Closing price 10/2/2026 04:00 PM EasternExtended Trading$3.45 -0.06 (-1.71%) As of 10/2/2026 07:30 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsInsider TradesNews and TrendsOwnershipSEC Filings About ClearSign Technologies Stock (NASDAQ:CLIR) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get ClearSign Technologies alerts:Sign Up Key Stats Today's Range$3.41▼$3.6450-Day Range$3.46▼$4.8452-Week Range$3.16▼$11.20Volume28,443 shsAverage Volume21,170 shsMarket Capitalization$23.90 millionP/E RatioN/ADividend YieldN/APrice Target$20.00Consensus RatingHold Company Overview ClearSign Technologies Corporation develops technologies designed to improve the emissions performance, efficiency and operational characteristics of industrial and commercial combustion systems. The company focuses primarily on reducing pollutants, including nitrogen oxides (NOx), generated by fuel-burning equipment used in applications such as process heating, power generation and other industrial operations. Its product portfolio includes ClearSign Core, a combustion technology intended to be integrated into burners and furnaces to support lower-emission operation, and ClearSign Eye, a combustion monitoring and control technology designed to help optimize burner performance and safety. The company’s solutions are intended for use by equipment manufacturers, industrial operators and other customers seeking to meet emissions requirements while maintaining or improving system performance. ClearSign Technologies has pursued commercialization through technology development, demonstrations, partnerships and customer engagements in the United States and international markets. The company is headquartered in Seattle, Washington, and its shares trade on the Nasdaq Capital Market under the symbol CLIR.AI Generated. May Contain Errors. Read More ClearSign Technologies Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks76th Percentile Overall ScoreCLIR MarketRank™: ClearSign Technologies scored higher than 76% of companies evaluated by MarketBeat, and ranked 275th out of 653 stocks in the industrials sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.2 / 5Analyst RatingHold Consensus RatingClearSign Technologies has received a consensus rating of Hold. The company's average rating score is 2.00, and is based on no strong buy ratings, 1 buy rating, no hold ratings, and 1 sell rating.Upside PotentialClearSign Technologies has a consensus price target of $20.00, representing about 469.8% upside from its current price of $3.51.Amount of Analyst CoverageClearSign Technologies has only been the subject of 1 research reports in the past 90 days.Read more about ClearSign Technologies' stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for ClearSign Technologies are expected to grow in the coming year, from ($1.02) to ($0.52) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of ClearSign Technologies is -3.86, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of ClearSign Technologies is -3.86, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioClearSign Technologies has a P/B Ratio of 1.97. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.Read more about ClearSign Technologies' valuation and earnings. Short Interest5.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted0.26% of the float of ClearSign Technologies has been sold short.Short Interest Ratio / Days to CoverClearSign Technologies has a short interest ratio ("days to cover") of 0.72, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in ClearSign Technologies has recently decreased by 13.59%, indicating that investor sentiment is improving significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldClearSign Technologies does not currently pay a dividend.Dividend GrowthClearSign Technologies does not have a long track record of dividend growth. News and Social Media2.9 / 5News SentimentN/A News SentimentClearSign Technologies has a news sentiment score of 0.65. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a higher news sentiment than the 0.51 average news sentiment score of Industrials companies.News Coverage This WeekMarketBeat has tracked 1 news article for ClearSign Technologies this week, compared to 2 articles on an average week.MarketBeat Follows2 people have added ClearSign Technologies to their MarketBeat watchlist in the last 30 days. This is an increase of 100% compared to the previous 30 days. Company Ownership3.3 / 5Insider TradingAcquiring Shares Net Insider BuyingOver the last three months, insiders have purchased a net $1,770,000.00 in company stock, which represents 7.4049% of the company's market cap.Insider Buying vs. Insider SellingIn the past three months, ClearSign Technologies insiders have bought more of their company's stock than they have sold. Specifically, they have bought $1,770,000.00 in company stock and sold $0.00 in company stock.Percentage Held by Insiders5.22% of the stock of ClearSign Technologies is held by insiders.Percentage Held by Institutions24.03% of the stock of ClearSign Technologies is held by institutions.Read more about ClearSign Technologies' insider trading history. Receive CLIR Stock News and Ratings via Email Sign-up to receive the latest news and ratings for ClearSign Technologies and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. CLIR Stock News HeadlinesClearSign Technologies Targets Break-Even With Gulf Coast Burner MilestoneSeptember 29, 2026 | americanbankingnews.comHead to Head Contrast: Cummins (NYSE:CMI) and ClearSign Technologies (NASDAQ:CLIR)September 25, 2026 | americanbankingnews.comElon Warns "America Will Go Bankrupt". Trump's Plan Inside.National debt just crossed 40 trillion dollars, and Elon Musk says America is 1,000% going to go bankrupt without major changes. As former head of the Department of Government Efficiency under President Trump, Musk saw firsthand how looming spending cuts could rattle markets and squeeze 401ks, IRAs, and TSPs. A preserved IRS provision may help everyday investors shield their retirement savings before the next wave of volatility hits.October 4 at 1:00 AM | American Hartford Gold (Ad)ClearSign Technologies (NASDAQ:CLIR) Share Price Passes Below Two Hundred Day Moving Average - Time to Sell?September 23, 2026 | americanbankingnews.comClearSign Technologies Corporation (CLIR) Q2 2026 Earnings Call TranscriptAugust 20, 2026 | seekingalpha.comClearSign Combustion Reports Q2 Progress and Board AdditionAugust 20, 2026 | tipranks.comClearSign Technologies: ClearSign Board of Directors Appoints Former ExxonMobil Global Technology Leader Larry SaddlerAugust 11, 2026 | finanznachrichten.deClearSign Technologies: ClearSign Receives Order for "M1" Series Burner from Tulsa Midstream HeatersJuly 28, 2026 | finanznachrichten.deSee More Headlines CLIR Stock Analysis - Frequently Asked Questions How have CLIR shares performed this year? ClearSign Technologies' stock was trading at $5.5610 at the beginning of 2026. Since then, CLIR shares have decreased by 36.9% and is now trading at $3.51. How were ClearSign Technologies' earnings last quarter? ClearSign Technologies Corporation (NASDAQ:CLIR) announced its quarterly earnings data on Friday, August, 14th. The technology company reported ($0.22) EPS for the quarter, beating the consensus estimate of ($0.25) by $0.03. The technology company had revenue of $0.56 million for the quarter, compared to the consensus estimate of $0.61 million. ClearSign Technologies had a negative net margin of 96.07% and a negative trailing twelve-month return on equity of 58.08%. Read the conference call transcript. When did ClearSign Technologies' stock split? ClearSign Technologies shares reverse split on the morning of Monday, March 16th 2026.The 1-10 reverse split was announced on Tuesday, March 10th 2026. The number of shares owned by shareholders was adjusted after the closing bell on Friday, March 13th 2026. An investor that had 100 shares of stock prior to the reverse split would have 10 shares after the split. When did ClearSign Technologies IPO? ClearSign Technologies (CLIR) raised $12 million in an initial public offering (IPO) on Wednesday, April 25th 2012. The company issued 3,000,000 shares at $4.00 per share. How do I buy shares of ClearSign Technologies? Shares of CLIR stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of ClearSign Technologies own? Based on aggregate information from My MarketBeat watchlists, some other companies that ClearSign Technologies investors own include Avino Silver & Gold Mines (ASM), Clean Energy Fuels (CLNE), Gold.com (GOLD), FuelCell Energy (FCEL), OPKO Health (OPK), Tonix Pharmaceuticals (TNXP) and T2 Biosystems (TTOO). Company Calendar Last Earnings8/14/2026Today10/04/2026Next Earnings (Estimated)11/13/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Yellow Zone (5m+) 1-Year History Oct 25 Jan 26 Apr 26 Jul 26 Oct 26 CLIR's financial health is in the Yellow zone, according to TradeSmith. CLIR has been in this zone for over 5 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorIndustrials Industry Machinery Sub-IndustryIndustrial Machinery & Supplies & Components Current SymbolNASDAQ:CLIR CIK1434524 Webwww.clearsign.com Phone(918) 500-7312Fax206-299-3553Employees15Year Founded2008Price Target and Rating Average Price Target for ClearSign Technologies$20.00 High Price Target$20.00 Low Price Target$20.00 Potential Upside/Downside+469.8%Consensus RatingHold Rating Score (0-4)2.00 Research Coverage2 Analysts Profitability EPS (Trailing Twelve Months)($0.91) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$5.50 million Net Margins-96.07% Pretax Margin-96.07% Return on Equity-58.08% Return on Assets-44.61% Debt Debt-to-Equity RatioN/A Current Ratio4.78 Quick Ratio4.78 Sales & Book Value Annual Sales$5.23 million Price / Sales4.57 Cash FlowN/A Price / Cash FlowN/A Book Value$1.78 per share Price / Book1.97Miscellaneous Outstanding Shares6,810,000Free Float6,452,000Market Cap$23.90 million OptionableNo Data Beta1.31 Social Links Don't Wait for the OpenAI IPOThe AI wave will soon hit public markets with Anthropic and OpenAI set to go public later this year. 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