This company has been marked as potentially delisted and may not be actively trading. Catalyst Biosciences (CBIO) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Catalyst Biosciences Short Interest DataCatalyst Biosciences (CBIO) has a short interest of 34,100 shares. This marks a -52.57% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.1, indicating that it would take 0.1 days of the average trading volume of 763,526 shares to cover all short positions.Current Short Interest34,100 sharesPrevious Short Interest71,900 sharesChange Vs. Previous Month-52.57%Dollar Volume Sold Short$11,518.98Short Interest Ratio0.1 Days to CoverLast Record DateOctober 15, 2023Outstanding Shares37,980,000 sharesPercentage of Shares Shorted0.09%Today's Trading Volume32,246 sharesAverage Trading Volume763,526 sharesToday's Volume Vs. Average4% Short Selling Catalyst Biosciences? 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Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCBIO Short Interest Over TimeCBIO Days to Cover Over TimeCBIO Percentage of Float Shorted Over Time Catalyst Biosciences Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 10/15/202334,100 shares $11,518.98 -52.6%N/A0.1 $0.34 9/30/202371,900 shares $34,677.37 -30.2%N/A0.2 $0.48 9/15/2023103,000 shares $56,650.00 -37.7%N/A0.3 $0.55 8/31/2023165,400 shares $92,574.38 +61.8%N/A0.2 $0.56 8/15/2023102,200 shares $37,814.00 +119.3%0.4%0.2 $0.37 7/31/202346,600 shares $17,661.40 -83.3%0.2%0.1 $0.38 7/15/2023279,500 shares $106,210.00 -47.9%1.0%0.5 $0.38 6/30/2023536,200 shares $188,527.92 +99.3%2.0%1.1 $0.35 6/15/2023269,100 shares $66,790.62 +6.9%1.0%0.5 $0.25 5/31/2023251,800 shares $55,396.00 -21.9%1.0%1.1 $0.22 Get the Latest News and Ratings for CBIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Catalyst Biosciences and its competitors with MarketBeat's FREE daily newsletter. 5/15/2023322,400 shares $70,928.00 +52.3%1.3%0.4 $0.22 4/30/2023211,700 shares $44,880.40 -16.0%0.9%0.2 $0.21 4/15/2023252,100 shares $52,941.00 +65.3%1.2%0.2 $0.21 3/31/2023152,500 shares $31,567.50 -79.5%0.8%0.1 $0.21 3/15/2023743,100 shares $160,360.98 +274.7%3.8%0.5 $0.22 2/28/2023198,300 shares $58,895.10 -24.8%1.0%0.1 $0.30 2/15/2023263,800 shares $70,962.20 +24.6%1.3%0.3 $0.27 1/31/2023211,800 shares $59,621.70 -50.7%1.0%0.2 $0.28 1/15/2023429,900 shares $112,848.75 -10.3%2.1%0.6 $0.26 12/30/2022479,100 shares $252,725.25 -10.6%1.8%1.3 $0.53 12/15/2022535,800 shares $262,595.58 +2.7%2.0%1.9 $0.49 11/30/2022521,700 shares $290,899.92 +2.4%2.0%1.1 $0.56 11/15/2022509,300 shares $282,508.71 -1.9%1.9%0.9 $0.55 10/31/2022519,300 shares $280,473.93 -2.3%2.0%0.8 $0.54 10/15/2022531,500 shares $319,750.40 -22.8%2.0%0.8 $0.60 9/30/2022688,400 shares $346,953.60 -50.8%2.6%1 $0.50 9/15/20221,400,000 shares $2.76 million -28.9%5.5%1.2 $1.97 8/31/20221,970,000 shares $3.88 million +114.5%8.6%1.8 $1.97 8/15/2022918,400 shares $1.77 million -29.9%4.0%0.1 $1.93 7/31/20221,310,000 shares $2.29 million -10.9%5.7%0.2 $1.75 7/15/20221,470,000 shares $2.57 million +34.9%6.3%0.2 $1.75 6/30/20221,090,000 shares $1.94 million -25.9%4.7%0.2 $1.78 6/15/20221,470,000 shares $2.00 million -42.1%6.3%0.3 $1.36 5/31/20222,540,000 shares $3.15 million +1,503.5%9.5%0.5 $1.24 5/15/2022158,400 shares $57,055.68 -52.3%0.6%0 $0.36 4/30/2022332,100 shares $159,075.90 -16.5%1.3%0.9 $0.48 4/15/2022397,800 shares $215,806.50 -24.5%1.5%0.7 $0.54 3/31/2022527,000 shares $347,820.00 +18.5%2.0%0.9 $0.66 3/15/2022444,600 shares $263,914.56 -18.5%1.7%0.6 $0.59 2/28/2022545,300 shares $353,899.70 +19.1%2.0%0.6 $0.65URGENT: This Altcoin Opportunity Won’t Wait – Act Now (Ad)My friends Joel and Adam have a simple motto: "For us, it's always a bull market." 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Just precision trades that put you in control.>> See How In Their FREE Workshop 2/15/2022457,800 shares $234,851.40 -12.4%1.6%0.5 $0.51 1/31/2022522,700 shares $303,166.00 +63.7%1.9%0.5 $0.58 1/15/2022319,300 shares $250,650.50 +32.2%N/A0.3 $0.79 12/31/2021241,600 shares $220,822.40 -4.7%0.9%0.3 $0.91 12/15/2021253,500 shares $250,990.35 -26.3%0.9%0.3 $0.99 11/30/2021343,900 shares $412,680.00 -33.2%1.3%0.5 $1.20 11/15/2021515,000 shares $860,050.00 +9.1%1.9%0.9 $1.67 10/29/2021471,900 shares $1.55 million +11.7%1.7%1.4 $3.29 10/15/2021422,500 shares $1.69 million +9.5%1.5%1.3 $4.00 9/30/2021385,700 shares $1.59 million -25.5%1.3%1.3 $4.11 9/15/2021518,000 shares $2.62 million -37.3%1.8%1.5 $5.06 8/31/2021825,600 shares $3.78 million -7.5%2.9%2.9 $4.58 8/13/2021892,600 shares $3.66 million +1.9%3.1%3.2 $4.10 7/30/2021875,900 shares $3.56 million -2.6%3.1%3 $4.07 7/15/2021898,800 shares $3.79 million +1.5%3.0%3 $4.22 6/30/2021885,200 shares $3.83 million -44.3%2.9%2.7 $4.33 6/15/20211,590,000 shares $6.81 million -1.2%5.3%6.3 $4.28 5/28/20211,610,000 shares $6.87 million +6.6%5.3%5.6 $4.27 5/14/20211,510,000 shares $6.43 million -1.3%N/A4.6 $4.26 4/30/20211,530,000 shares $7.96 million +34.2%N/A3.2 $5.20 4/15/20211,140,000 shares $5.70 million +14.0%N/A0 $5.00 3/31/20211,000,000 shares $4.93 million +26.5%N/A2.1 $4.93 3/15/2021790,700 shares $4.86 million +7.8%N/A1.6 $6.15 2/26/2021733,300 shares $4.49 million +32.8%N/A1.5 $6.12 2/12/2021552,000 shares $3.75 million -13.6%N/A1.2 $6.80 1/29/2021639,200 shares $3.66 million +9.0%N/A1.8 $5.73 1/15/2021586,200 shares $3.89 million +0.2%N/A2.2 $6.64 12/31/2020585,300 shares $3.71 million -18.4%N/A2 $6.34 12/15/2020717,600 shares $5.23 million -21.3%N/A2.6 $7.29 11/30/2020912,000 shares $5.43 million -6.6%N/A3.7 $5.95 11/15/2020976,000 shares $5.78 million -12.1%N/A4.1 $5.92 10/30/20201,110,000 shares $6.47 million -17.8%N/A4.8 $5.83 10/15/20201,350,000 shares $7.03 million -4.9%N/A5.4 $5.21 9/30/20201,420,000 shares $6.11 million +2.2%N/A6.9 $4.30 9/15/20201,390,000 shares $6.69 million -2.8%N/A5.1 $4.81 8/31/20201,430,000 shares $7.46 million -3.4%N/A4 $5.22 8/14/20201,480,000 shares $7.87 million -4.5%N/A4.1 $5.32 7/31/20201,550,000 shares $7.92 million +4.0%N/A4.2 $5.11 7/15/20201,490,000 shares $8.69 million -9.7%N/A4.4 $5.83 6/30/20201,650,000 shares $9.82 million +51.4%N/A5 $5.95 6/15/20201,090,000 shares $8.25 million +25.7%N/A3.9 $7.57 5/29/2020866,900 shares $6.25 million +11.2%N/A4.3 $7.21 5/15/2020779,600 shares $4.83 million -2.7%N/A3.6 $6.19 CBIO Short Interest - Frequently Asked Questions What is Catalyst Biosciences' current short interest? Short interest is the volume of Catalyst Biosciences shares that have been sold short but have not yet been closed out or covered. As of October 15th, traders have sold 34,100 shares of CBIO short. Learn More on Catalyst Biosciences' current short interest. Is Catalyst Biosciences' short interest increasing or decreasing? Catalyst Biosciences saw a decrease in short interest in the month of October. As of October 15th, there was short interest totaling 34,100 shares, a decrease of 52.6% from the previous total of 71,900 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 Catalyst Biosciences' short interest compare to its competitors? Here is how the short interest of companies in the industry of "biotechnology" compare to Catalyst Biosciences: Novavax, Inc. (25.87%), OPKO Health, Inc. (11.52%), Geron Co. (10.62%), Myriad Genetics, Inc. (5.79%), Regulus Therapeutics Inc. (3.97%), Verastem, Inc. (19.33%), Rigel Pharmaceuticals, Inc. (10.70%), XOMA Co. (1.48%), Vanda Pharmaceuticals Inc. (8.97%), Emergent BioSolutions Inc. (17.24%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($3.82 billion), T-Mobile US, Inc. ($3.69 billion), Occidental Petroleum Co. ($2.90 billion), TC Energy Co. ($2.74 billion), Tractor Supply ($2.28 billion), Rivian Automotive, Inc. ($1.92 billion), Moderna, Inc. ($1.77 billion), Celsius Holdings, Inc. ($1.72 billion), Coinbase Global, Inc. ($1.66 billion), and Royal Caribbean Cruises Ltd. ($1.65 billion). View all of the most shorted stocks. What does it mean to sell short Catalyst Biosciences stock? Short selling CBIO is an investing strategy that aims to generate trading profit from Catalyst Biosciences as its price is falling. 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 Catalyst Biosciences? A short squeeze for Catalyst Biosciences 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 CBIO, which in turn drives the price of the stock up even further. How often is Catalyst Biosciences' 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 CBIO, twice per month. The most recent reporting period available is October, 15 2023. More Short Interest Resources from MarketBeat Related Companies Novavax Short Interest Data OPKO Health Short Interest Data Geron Short Interest Data Myriad Genetics Short Interest Data Regulus Therapeutics Short Interest Data Verastem Short Interest Data Rigel Pharmaceuticals Short Interest Data XOMA Short Interest Data Vanda Pharmaceuticals Short Interest Data Emergent BioSolutions Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:CBIO) was last updated on 5/9/2025 by MarketBeat.com Staff From Our PartnersElon Warns “America Is Broke”. Trump’s Plan Inside.Elon Musk has avoided two major financial crises before. 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