Carbios SAS (COOSF) Short Interest Ratio & Short Volume $10.50 +0.86 (+8.88%) As of 07/25/2025 09:30 AM Eastern Add Compare Share Share Short Interest Stock AnalysisChartHeadlinesShort InterestBuy This Stock Carbios SAS Short Interest DataCarbios SAS (COOSF) has a short interest of 800 shares. This marks a 60.00% increase in short interest from the previous month. The short interest ratio (days to cover) is 4.0, indicating that it would take 4.0 days of the average trading volume of 835 shares to cover all short positions.Current Short Interest800 sharesPrevious Short Interest500 sharesChange Vs. Previous Month+60.00%Dollar Volume Sold Short$6.67 thousandShort Interest Ratio4.0 Days to CoverLast Record DateJune 30, 2025Today's Trading Volume411 sharesAverage Trading Volume835 sharesToday's Volume Vs. Average49% Short Selling Carbios SAS? Sign up to receive the latest short interest report for Carbios SAS and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCOOSF Short Interest Over TimeCOOSF Days to Cover Over TimeCOOSF Percentage of Float Shorted Over Time Carbios SAS Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/2025800 shares $6.67 thousand +60.0%N/A4 $8.34 6/15/2025500 shares $4.70 thousand -58.3%N/A2.5 $9.39 5/31/20251,200 shares $9.72 thousand +1,100.0%N/A1.7 $8.10 5/15/2025100 shares $768.00 -50.0%N/A0.3 $7.68 4/30/2025200 shares $1.71 thousand +100.0%N/A0.7 $8.55 4/15/2025100 shares $704.00 -66.7%N/A0.1 $7.04 3/31/2025300 shares $2.46 thousand No ChangeN/A3 $8.19 3/15/2025300 shares $2.04 thousand -70.0%N/A1.5 $6.79 2/28/20251,000 shares $6.30 thousand +900.0%N/A1.7 $6.30 2/15/2025100 shares $654.58 No ChangeN/A0.1 $6.55 Get the Latest News and Ratings for COOSF and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Carbios SAS and its competitors with MarketBeat's FREE daily newsletter. 1/15/2025200 shares $1.38 thousand -60.0%N/A0.1 $6.90 12/31/2024200 shares $1.34 thousand -60.0%N/A0.1 $6.68 12/15/2024500 shares $4.80 thousand -85.3%N/A0.5 $9.60 11/30/20243,400 shares $20.85 thousand +209.1%N/A0.6 $6.13 11/15/20241,100 shares $9.19 thousand -81.0%N/A0.7 $8.35 10/31/20245,800 shares $66.41 thousand +427.3%N/A2.5 $11.45 10/15/20241,100 shares $11.28 thousand +450.0%N/A0.4 $10.25 9/30/2024200 shares $3.80 thousand -50.0%N/A0.5 $19.00 9/15/2024400 shares $8.64 thousand +100.0%N/A2 $21.60 8/31/2024200 shares $4.60 thousand No ChangeN/A0.7 $22.98 8/15/2024200 shares $4.50 thousand No ChangeN/A1 $22.50 7/31/2024200 shares $4.49 thousand No ChangeN/A1 $22.43 7/15/2024200 shares $4.28 thousand No ChangeN/A0.4 $21.40 6/30/2024200 shares $4.16 thousand -50.0%N/A0.4 $20.80 6/15/2024400 shares $9.20 thousand +100.0%N/A1.2 $23.00 5/31/2024200 shares $5.80 thousand -80.0%N/A0.7 $29.00 5/15/20241,000 shares $25.86 thousand +11.1%N/A10 $25.86 4/30/2024900 shares $21.79 thousand +28.6%N/A1.8 $24.21 4/15/2024700 shares $14.66 thousand +600.0%N/A1 $20.94 3/31/2024100 shares $2.73 thousand No ChangeN/A0.3 $27.25 3/15/2024100 shares $2.67 thousand -50.0%N/A0.3 $26.69 2/29/2024200 shares $5.40 thousand -80.0%N/A0.4 $27.00 2/15/20241,000 shares $23 thousand +400.0%N/A2 $23.00 1/15/2024100 shares $3 thousand -85.7%N/A0.5 $30.00 12/31/2023700 shares $21.70 thousand -22.2%N/A4.4 $31.00 12/15/2023900 shares $23.40 thousand No ChangeN/A9 $26.00 11/30/2023900 shares $21.60 thousand +800.0%N/A1.1 $24.00 11/15/2023100 shares $2.39 thousand -99.8%N/A0.2 $23.90 10/31/202345,800 shares $1.00 million -0.4%N/A229 $21.92 10/15/202346,000 shares $1.08 million No ChangeN/A115 $23.54I was wrong about Trump (Ad)I made a mistake. A mistake I feel very foolish about. After speaking with Donald Trump and some of his advisors, I believed him. I believed the promise that he would finally confront the single most dangerous threat to American life. That he would fix the ticking time bomb I’ve been warning about for 15 years. But I was wrong.Let me show you exactly what we’re doing to prepare. 9/30/202346,000 shares $998.20 thousand +0.2%N/A153.3 $21.70 9/15/202345,900 shares $1.13 million +0.2%N/A45.9 $24.67 8/31/202345,800 shares $1.23 million -2.1%N/A95 $26.87 8/15/202346,800 shares $1.25 million -0.2%N/A93.6 $26.80 7/31/202346,900 shares $1.43 million -9.3%N/A93.8 $30.50 7/15/202351,700 shares $1.61 million +84.6%N/A258.5 $31.16 6/30/202328,000 shares $1.02 million +2.9%N/A93.3 $36.60 6/15/202327,200 shares $1.17 million +6.7%N/A38.9 $42.89 5/31/202325,500 shares $938.66 thousand +5.8%N/A85 $36.81 5/15/202324,100 shares $836.27 thousand +45.2%N/A60.3 $34.70 4/30/202316,600 shares $541.99 thousand +163.5%N/A166 $32.65 4/15/20236,300 shares $225.79 thousand +1,475.0%N/A63 $35.84 3/31/2023400 shares $14.85 thousand -90.5%N/A0.7 $37.13 3/15/20234,200 shares $168 thousand -10.6%N/A8.4 $40.00 2/28/20234,700 shares $185.62 thousand +2.2%N/A15.7 $39.49 2/15/20234,600 shares $193.20 thousand -4.2%N/A23 $42.00 1/31/20234,800 shares $200.98 thousand -48.9%N/A16 $41.87 1/15/20239,400 shares $349.38 thousand -17.5%N/A31.3 $37.17 12/30/202211,400 shares $421.80 thousand -45.7%N/A38 $37.00 12/15/202221,000 shares $804.64 thousand +6.1%N/A70 $38.32 11/30/202219,800 shares $729.23 thousand -3.4%N/A66 $36.83 11/15/202220,500 shares $676.50 thousand +83.0%N/A205 $33.00 10/31/202211,200 shares $333.76 thousand +833.3%N/A22.4 $29.80 10/15/20221,200 shares $24.36 thousand +9.1%N/A2.4 $20.30 9/30/20221,100 shares $23.76 thousand +450.0%N/A2.2 $21.60 9/15/2022200 shares $5.72 thousand -77.8%N/A2 $28.60 8/31/2022900 shares $25.62 thousand +12.5%N/A3 $28.47 8/15/2022800 shares $25.86 thousand +300.0%N/A4 $32.32 7/31/2022200 shares $6.20 thousand No ChangeN/A0.5 $31.00 7/15/2022200 shares $6.05 thousand -81.8%N/A0.7 $30.25 6/30/20221,100 shares $34.10 thousand +450.0%N/A2.2 $31.00 6/15/2022200 shares $6.06 thousand +100.0%N/A0.5 $30.28 5/31/2022100 shares $3.69 thousand No ChangeN/A0.5 $36.85 5/15/2022100 shares $3.30 thousand No ChangeN/A0.2 $33.00 4/30/2022100 shares $3.34 thousand -50.0%N/A0.2 $33.42 4/15/2022200 shares $7.20 thousand No ChangeN/A0.5 $36.00 3/31/2022200 shares $7.50 thousand -50.0%N/A0.5 $37.50 3/15/2022400 shares $14.44 thousand -88.2%N/A0.4 $36.10 2/28/20223,400 shares $141.10 thousand +1,600.0%N/A3.4 $41.50 2/15/2022200 shares $8.70 thousand -33.3%N/A0.3 $43.49 1/31/2022300 shares $13.07 thousand No ChangeN/A0.3 $43.55 12/31/2021100 shares $4.16 thousand -91.7%N/A0.1 $41.55 12/15/20211,200 shares $54 thousand +1,100.0%N/A3 $45.00 11/30/2021100 shares $4.00 thousand -50.0%N/A0.1 $40.01 11/15/2021200 shares $8.55 thousand +100.0%N/A0.2 $42.75 10/29/2021100 shares $4.59 thousand No ChangeN/A0.2 $45.90 10/15/2021100 shares $4.70 thousand No ChangeN/A0.1 $47.00 9/30/2021100 shares $4.70 thousand No ChangeN/A0.5 $47.00 9/15/2021100 shares $4.90 thousand No ChangeN/A0.3 $49.00 8/31/2021100 shares $5.24 thousand -83.3%N/A0.3 $52.35I was wrong about Trump (Ad)I made a mistake. A mistake I feel very foolish about. After speaking with Donald Trump and some of his advisors, I believed him. I believed the promise that he would finally confront the single most dangerous threat to American life. That he would fix the ticking time bomb I’ve been warning about for 15 years. But I was wrong.Let me show you exactly what we’re doing to prepare. 8/13/2021600 shares $31.67 thousand +100.0%N/A0.5 $52.78 7/30/2021300 shares $15.08 thousand +50.0%N/A0.3 $50.27 7/15/2021200 shares $9.51 thousand No ChangeN/A0.3 $47.55 6/30/2021200 shares $10 thousand -33.3%N/A0.3 $50.00 6/15/2021300 shares $14.25 thousand -76.9%N/A0.2 $47.49 5/28/20211,300 shares $57.98 thousand +225.0%N/A0.5 $44.60 5/14/2021400 shares $17.77 thousand -55.6%N/A0.3 $44.42 4/30/2021900 shares $49.05 thousand +350.0%N/A0.4 $54.50 4/15/2021200 shares $9.60 thousand +100.0%N/A0.3 $48.00 3/31/2021100 shares $4.97 thousand -95.5%N/A0.1 $49.69 3/15/20212,200 shares $114.57 thousand +2,100.0%N/A0.6 $52.08 2/26/2021100 shares $6.01 thousand -83.3%N/A0 $60.12 2/12/2021600 shares $42.42 thousand +200.0%N/A0.5 $70.71 1/29/2021200 shares $12.60 thousand -81.8%N/A0.1 $63.00 1/15/2021500 shares $31.16 thousand -37.5%N/A0.3 $62.32 12/31/2020200 shares $9.93 thousand -60.0%N/A0.1 $49.65 12/15/2020500 shares $23.50 thousand -37.5%N/A0.3 $47.00 11/30/2020800 shares $39.10 thousand No ChangeN/A0.3 $48.88 10/30/20202,100 shares $66.78 thousand +2,000.0%N/A0.8 $31.80 10/15/2020100 shares $3.65 thousand No ChangeN/A0 $36.50 9/30/2020100 shares $3.73 thousand -50.0%N/A0 $37.26 9/15/2020200 shares $7.32 thousand -60.0%N/A0.1 $36.62 8/31/2020500 shares $18.50 thousand No ChangeN/A0.2 $37.00 8/14/2020500 shares $15.50 thousand No ChangeN/A0.2 $31.00 COOSF Short Interest - Frequently Asked Questions What is Carbios SAS's current short interest? Short interest is the volume of Carbios SAS shares that have been sold short but have not yet been covered or closed out. As of June 30th, investors have sold 800 shares of COOSF short. Learn More on Carbios SAS's current short interest. What is a good short interest ratio for Carbios SAS? 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. COOSF shares currently have a short interest ratio of 4.0. Learn More on Carbios SAS's short interest ratio. Is Carbios SAS's short interest increasing or decreasing? Carbios SAS saw a increase in short interest in June. As of June 30th, there was short interest totaling 800 shares, an increase of 60.0% from the previous total of 500 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. Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short Carbios SAS stock? Short selling COOSF is an investing strategy that aims to generate trading profit from Carbios SAS as its price is falling. COOSF shares are trading up $0.86 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 Carbios SAS? A short squeeze for Carbios SAS occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of COOSF, which in turn drives the price of the stock up even further. How often is Carbios SAS's 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 COOSF, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies AirBoss of America Short Interest Akzo Nobel Short Interest Alfa Short Interest ALPEK Short Interest Avantium Short Interest Azelis Group Short Interest Borregaard ASA Short Interest Brenntag Short Interest Clariant Short Interest Clariant Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (OTCMKTS:COOSF) was last updated on 7/28/2025 by MarketBeat.com Staff From Our PartnersOne stock to replace NvidiaInvesting Legend Hints the End May be Near for These 3 Iconic Stocks One company to replace Amazon… another...InvestorPlace | SponsoredTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredCritical AI announcement set to ignite AI 2.0 I just put together an urgent new presentation that you need to see right away. 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