ClearSign Technologies (CLIR) Short Interest Ratio & Short Volume $0.59 +0.05 (+9.05%) As of 04/30/2025 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock ClearSign Technologies Short Interest DataClearSign Technologies (CLIR) has a short interest of 224,000 shares, representing 0.54% of the float (the number of shares available for trading by the public). This marks a -2.74% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.5, indicating that it would take 2.5 days of the average trading volume of 97,833 shares to cover all short positions.Current Short Interest224,000 sharesPrevious Short Interest230,300 sharesChange Vs. Previous Month-2.74%Dollar Volume Sold Short$132,182.40Short Interest Ratio2.5 Days to CoverLast Record DateApril 15, 2025Outstanding Shares52,419,000 sharesShort Percent of Float0.54%Today's Trading Volume35,062 sharesAverage Trading Volume97,833 sharesToday's Volume Vs. Average36% Short Selling ClearSign Technologies? Sign up to receive the latest short interest report for ClearSign Technologies and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCLIR Short Interest Over TimeCLIR Days to Cover Over TimeCLIR Percentage of Float Shorted Over Time ClearSign Technologies Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/15/2025224,000 shares $132,182.40 -2.7%0.5%2.5 $0.59 3/31/2025230,300 shares $172,725.00 +5.4%0.6%2.1 $0.75 3/15/2025218,600 shares $176,016.72 -4.2%0.5%1.8 $0.81 2/28/2025228,100 shares $173,082.28 -15.2%0.5%1.7 $0.76 2/15/2025269,100 shares $269,100.00 +9.5%0.6%1.8 $1.00 1/31/2025245,800 shares $299,876.00 +2.9%N/A1.5 $1.22 1/15/2025239,000 shares $260,510.00 -28.5%N/A1.4 $1.09 12/31/2024334,300 shares $481,392.00 -1.6%N/A2.1 $1.44 12/15/2024339,700 shares $394,052.00 +44.3%N/A2.8 $1.16 11/30/2024235,500 shares $277,890.00 -5.1%N/A1.9 $1.18 Get the Latest News and Ratings for CLIR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ClearSign Technologies and its competitors with MarketBeat's FREE daily newsletter. 11/15/2024248,100 shares $213,341.19 -7.5%N/A2.3 $0.86 10/31/2024268,200 shares $231,322.50 -3.2%N/A4.1 $0.86 10/15/2024277,100 shares $229,965.29 -17.7%N/A6 $0.83 9/30/2024336,500 shares $285,991.35 +27.2%N/A7.1 $0.85 9/15/2024264,600 shares $197,365.14 -4.9%N/A3.6 $0.75 8/31/2024278,200 shares $208,622.18 -8.5%N/A3.7 $0.75 8/15/2024304,000 shares $221,768.00 +4.9%N/A3.8 $0.73 7/31/2024289,700 shares $249,142.00 -7.0%N/A3.5 $0.86 7/15/2024311,500 shares $258,576.15 -19.0%N/A3.3 $0.83 6/30/2024384,500 shares $320,788.35 +20.8%N/A4.3 $0.83 6/15/2024318,400 shares $229,248.00 +25.3%N/A5 $0.72 5/31/2024254,200 shares $210,960.58 -1.8%N/A4.2 $0.83 5/15/2024258,900 shares $212,298.00 -20.7%N/A4 $0.82 4/30/2024326,300 shares $257,809.63 +5.0%N/A4.9 $0.79 4/15/2024310,700 shares $277,921.15 -5.6%N/A5.2 $0.89 3/31/2024329,100 shares $317,581.50 +0.9%N/A5.5 $0.97 3/15/2024326,300 shares $319,741.37 -6.1%N/A4.7 $0.98 2/29/2024347,300 shares $444,544.00 +0.9%N/A4.2 $1.28 2/15/2024344,200 shares $347,642.00 -12.1%N/A3.2 $1.01 1/31/2024391,600 shares $387,684.00 +2.9%N/A3.6 $0.99 1/15/2024380,600 shares $433,884.00 +10.3%1.2%3.7 $1.14 12/31/2023345,000 shares $382,950.00 -2.2%1.1%3.4 $1.11 12/15/2023352,900 shares $419,951.00 -5.4%1.2%4 $1.19 11/30/2023373,200 shares $462,768.00 +6.7%1.2%4.5 $1.24 11/15/2023349,700 shares $292,873.75 -12.8%1.1%5.7 $0.84 10/31/2023401,200 shares $326,978.00 -3.3%1.3%8.2 $0.82 10/15/2023414,900 shares $435,645.00 -7.4%1.4%8.3 $1.05 9/30/2023448,100 shares $488,429.00 +10.1%1.5%8.9 $1.09 9/15/2023407,000 shares $373,992.30 -7.8%1.3%7.8 $0.92 8/31/2023441,300 shares $507,495.00 +5.6%1.4%9 $1.15What President Trump’s Executive Order 14154 means for your money (Ad)Nearly $3 trillion disappeared from the stock market on Thursday morning. According to Whitney Tilson - a former hedge fund manager who predicted the dotcom crash, the housing crisis, and the 2022 tech stock bloodbath - a little-known executive order from the President's first day in office could spark a paradigm-shift that will likely catch millions of Americans off guard.But because of the massive changes impacting U.S. stocks, Tilson has agreed to publish his latest fi 8/15/2023417,900 shares $409,291.26 +4.9%1.4%7.2 $0.98 7/31/2023398,300 shares $521,773.00 -8.6%1.3%6.3 $1.31 7/15/2023435,600 shares $592,416.00 +6.0%1.4%7.1 $1.36 6/30/2023411,100 shares $538,541.00 -2.8%1.3%6.2 $1.31 6/15/2023423,100 shares $520,413.00 -4.8%1.4%6.7 $1.23 5/31/2023444,300 shares $679,779.00 +21.8%1.5%7.6 $1.53 5/15/2023364,800 shares $435,936.00 -2.2%1.2%8.6 $1.20 4/30/2023373,000 shares $395,380.00 +7.5%1.2%11.7 $1.06 4/15/2023346,900 shares $336,180.79 -5.1%1.1%11.4 $0.97 3/31/2023365,400 shares $291,589.20 -0.6%1.2%11.6 $0.80 3/15/2023367,500 shares $279,300.00 +0.1%1.2%10.2 $0.76 2/28/2023367,100 shares $296,212.99 -2.0%1.2%7.3 $0.81 2/15/2023374,700 shares $288,519.00 -1.9%1.2%7 $0.77 1/31/2023381,900 shares $282,644.19 +4.3%1.3%6.7 $0.74 1/15/2023366,200 shares $248,906.14 -11.0%1.2%6.2 $0.68 12/30/2022411,500 shares $220,564.00 +5.6%1.4%6.9 $0.54 12/15/2022389,800 shares $262,686.22 -3.7%1.3%7 $0.67 11/30/2022404,700 shares $277,745.61 +2.4%1.3%8.2 $0.69 11/15/2022395,100 shares $269,655.75 -3.4%1.3%9.3 $0.68 10/31/2022408,900 shares $338,896.32 -6.2%1.4%8.8 $0.83 10/15/2022435,900 shares $342,748.17 +2.0%1.4%8.9 $0.79 9/30/2022427,500 shares $392,445.00 +5.3%1.4%8.2 $0.92 9/15/2022406,100 shares $507,625.00 -3.1%1.4%8.2 $1.25 8/31/2022419,100 shares $414,909.00 +0.4%1.4%8 $0.99 8/15/2022417,300 shares $475,722.00 +0.7%1.5%7.1 $1.14 7/31/2022414,400 shares $414,400.00 +0.4%1.5%7.6 $1.00 7/15/2022412,700 shares $480,011.37 -3.2%1.4%8.4 $1.16 6/30/2022426,500 shares $516,065.00 0.0%2.1%8.8 $1.21 6/15/2022426,600 shares $469,260.00 -5.4%2.1%7.3 $1.10 5/31/2022450,900 shares $554,607.00 -3.0%1.6%7.7 $1.23 5/15/2022464,900 shares $571,827.00 +2.6%1.8%6.7 $1.23 4/30/2022453,100 shares $593,561.00 +4.1%1.8%6.5 $1.31 4/15/2022435,400 shares $622,622.00 -5.3%1.7%5.5 $1.43 3/31/2022459,800 shares $749,474.00 -29.3%1.8%5.6 $1.63 3/15/2022650,400 shares $819,504.00 -8.2%2.6%7.8 $1.26 2/28/2022708,300 shares $899,541.00 +46.5%2.8%7.3 $1.27 2/15/2022483,600 shares $575,484.00 -3.9%1.9%3.7 $1.19 1/31/2022503,400 shares $619,182.00 -8.1%2.0%1.1 $1.23 1/15/2022547,800 shares $723,096.00 -7.9%N/A1.2 $1.32 12/31/2021594,900 shares $820,962.00 +0.6%2.3%1.3 $1.38 12/15/2021591,500 shares $822,185.00 -6.3%2.3%1.2 $1.39 11/30/2021631,200 shares $1.05 million +46.5%2.5%1.3 $1.66 11/15/2021430,800 shares $766,824.00 -6.3%1.7%0.9 $1.78 10/29/2021459,800 shares $744,876.00 -1.8%1.9%3 $1.62 10/15/2021468,400 shares $875,908.00 -11.6%1.9%3.6 $1.87 9/30/2021529,800 shares $1.06 million -19.1%2.1%4.2 $2.00 9/15/2021655,100 shares $1.46 million +36.7%2.6%5.9 $2.23 8/31/2021479,100 shares $1.50 million +0.6%1.9%4.4 $3.14 8/13/2021476,100 shares $1.75 million -4.2%1.9%6.5 $3.67 7/30/2021497,100 shares $2.04 million -3.1%2.0%6.4 $4.10What President Trump’s Executive Order 14154 means for your money (Ad)Nearly $3 trillion disappeared from the stock market on Thursday morning. According to Whitney Tilson - a former hedge fund manager who predicted the dotcom crash, the housing crisis, and the 2022 tech stock bloodbath - a little-known executive order from the President's first day in office could spark a paradigm-shift that will likely catch millions of Americans off guard.But because of the massive changes impacting U.S. stocks, Tilson has agreed to publish his latest fi 7/15/2021512,900 shares $2.15 million +0.4%2.1%4.8 $4.20 6/30/2021510,700 shares $2.45 million -0.9%2.1%4 $4.80 6/15/2021515,400 shares $2.63 million -6.2%2.1%3 $5.10 5/28/2021549,600 shares $2.70 million -10.6%2.2%3 $4.92 5/14/2021614,600 shares $2.45 million +17.5%2.5%3 $3.99 4/30/2021522,900 shares $2.50 million +19.3%2.2%2.3 $4.78 4/15/2021438,500 shares $1.93 million -17.2%1.8%1.9 $4.40 3/31/2021529,800 shares $2.97 million -2.9%2.2%2.1 $5.60 3/15/2021545,500 shares $2.74 million -12.6%2.3%2.2 $5.03 2/26/2021624,300 shares $2.96 million +6.0%2.7%2.2 $4.74 2/12/2021589,100 shares $2.40 million -13.1%2.5%2.1 $4.08 1/29/2021678,200 shares $2.73 million -10.9%2.9%2.7 $4.02 1/15/2021761,500 shares $2.98 million +10.8%3.3%3.5 $3.91 12/31/2020687,000 shares $2.03 million -10.2%2.9%3.1 $2.96 12/15/2020765,200 shares $2.00 million -11.2%3.3%3.6 $2.62 11/30/2020861,500 shares $2.26 million -7.5%3.7%5.4 $2.62 11/15/2020931,400 shares $2.18 million -2.3%4.0%6 $2.34 10/30/2020953,300 shares $2.23 million -5.6%4.3%5.7 $2.34 10/15/20201,010,000 shares $2.57 million +3.2%4.5%5 $2.54 9/30/2020979,200 shares $2.21 million +0.3%4.3%4.4 $2.26 9/15/2020975,900 shares $2.45 million -5.3%4.2%3.4 $2.51 8/31/20201,030,000 shares $2.36 million No Change4.5%0.2 $2.29 8/14/20201,030,000 shares $2.42 million -14.2%5.0%0.2 $2.35 7/31/20201,200,000 shares $2.71 million -18.9%5.8%0.2 $2.26 7/15/20201,480,000 shares $3.12 million -16.4%7.2%0.3 $2.11 6/30/20201,770,000 shares $3.56 million +37.2%8.6%0.4 $2.01 6/15/20201,290,000 shares $1.02 million +6.6%6.3%0.3 $0.79 5/29/20201,210,000 shares $659,571.00 -2.4%5.9%7.4 $0.55 5/15/20201,240,000 shares $741,396.00 +0.8%6.0%9.9 $0.60 CLIR Short Interest - Frequently Asked Questions What is ClearSign Technologies' current short interest? Short interest is the volume of ClearSign Technologies shares that have been sold short but have not yet been closed out or covered. As of April 15th, traders have sold 224,000 shares of CLIR short. 0.54% of ClearSign Technologies' shares are currently sold short. Learn More on ClearSign Technologies' current short interest. What is a good short interest ratio for ClearSign Technologies? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. CLIR shares currently have a short interest ratio of 2.0. Learn More on ClearSign Technologies's short interest ratio. Which institutional investors are shorting ClearSign Technologies? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of ClearSign Technologies: Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for ClearSign Technologies? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 0.54% of ClearSign Technologies' floating shares are currently sold short. Is ClearSign Technologies' short interest increasing or decreasing? ClearSign Technologies saw a decline in short interest in April. As of April 15th, there was short interest totaling 224,000 shares, a decline of 2.7% from the previous total of 230,300 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does ClearSign Technologies' short interest compare to its competitors? 0.54% of ClearSign Technologies' shares are currently sold short. Here is how the short interest of companies in the industry of "measuring and control equipment" compare to ClearSign Technologies: Rapid Micro Biosystems, Inc. (6.95%), Kewaunee Scientific Co. (1.91%), Nautilus Biotechnology, Inc. (0.95%), Akoya Biosciences, Inc. (9.96%), Prenetics Global Limited (0.47%), Owlet, Inc. (3.64%), Syntec Optics Holdings, Inc. (0.48%), Singular Genomics Systems, Inc. (2.91%), Optex Systems Holdings, Inc (0.06%), MultiSensor AI Holdings, Inc. (2.74%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($21.71 billion), iShares 20+ Year Treasury Bond ETF ($9.48 billion), Strategy Incorporated ($8.92 billion), Charter Communications, Inc. ($3.86 billion), Apollo Global Management, Inc. ($3.86 billion), Capital One Financial Co. ($3.72 billion), Super Micro Computer, Inc. ($3.47 billion), AppLovin Co. ($2.64 billion), VanEck Semiconductor ETF ($2.46 billion), and The Kroger Co. ($2.33 billion). View all of the most shorted stocks. What does it mean to sell short ClearSign Technologies stock? Short selling CLIR is an investing strategy that aims to generate trading profit from ClearSign Technologies as its price is falling. CLIR shares are trading up $0.05 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against ClearSign Technologies? A short squeeze for ClearSign Technologies occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of CLIR, which in turn drives the price of the stock up even further. How often is ClearSign Technologies' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including CLIR, twice per month. The most recent reporting period available is April, 15 2025. More Short Interest Resources from MarketBeat Related Companies Rapid Micro Biosystems Short Squeeze Kewaunee Scientific Short Squeeze Nautilus Biotechnology Short Squeeze Akoya Biosciences Short Squeeze Prenetics Global Short Squeeze Owlet Short Squeeze Syntec Optics Short Squeeze Singular Genomics Systems Short Squeeze Optex Systems Short Squeeze MultiSensor AI Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:CLIR) was last updated on 5/1/2025 by MarketBeat.com Staff From Our PartnersHow to invest in Elon Musk’s Optimus before its launchElon Musk is set to completely take over the AI industry with Optimus… A breakthrough AI-powered robot that El...InvestorPlace | SponsoredIs he more powerful than Trump? Is there anybody more powerful than Donald Trump right now? 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