Assembly Biosciences (ASMB) Short Interest Ratio & Short Volume $17.05 -0.20 (-1.16%) Closing price 04:00 AM EasternExtended Trading$17.05 0.00 (0.00%) As of 04:00 AM 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 Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Assembly Biosciences Short Interest DataAssembly Biosciences (ASMB) has a short interest of 13,900 shares, representing 0.35% of the float (the number of shares available for trading by the public). This marks a -47.15% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.6, indicating that it would take 0.6 days of the average trading volume of 25,895 shares to cover all short positions.Current Short Interest13,900 sharesPrevious Short Interest26,300 sharesChange Vs. Previous Month-47.15%Dollar Volume Sold Short$198.21 thousandShort Interest Ratio0.6 Days to CoverLast Record DateMay 31, 2025Outstanding Shares7,638,000 sharesFloat Size4,020,000 sharesShort Percent of Float0.35%Today's Trading Volume9,165 sharesAverage Trading Volume25,895 sharesToday's Volume Vs. Average35% Short Selling Assembly Biosciences? Sign up to receive the latest short interest report for Assembly Biosciences and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartASMB Short Interest Over TimeASMB Days to Cover Over TimeASMB Percentage of Float Shorted Over Time Assembly 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 5/31/202513,900 shares $198.21 thousand -47.2%0.4%0.6 $14.26 5/15/202526,300 shares $328.75 thousand +99.2%0.7%1 $12.50 4/30/202513,200 shares $150.35 thousand -29.0%0.3%0.5 $11.39 4/15/202518,600 shares $182.47 thousand +8.8%0.5%0.7 $9.81 3/31/202517,100 shares $163.48 thousand -17.4%0.4%0.6 $9.56 3/15/202520,700 shares $224.80 thousand +2.0%0.5%0.7 $10.86 2/28/202520,300 shares $261.46 thousand +18.0%0.6%0.7 $12.88 2/15/202517,200 shares $223.94 thousand +25.6%0.5%0.5 $13.02 1/31/202513,700 shares $191.94 thousand -4.9%0.4%0.4 $14.01 1/15/202514,400 shares $208.80 thousand +9.1%0.4%0.4 $14.50 Get the Latest News and Ratings for ASMB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Assembly Biosciences and its competitors with MarketBeat's FREE daily newsletter. 12/31/202413,200 shares $208.30 thousand -0.8%0.4%0.4 $15.78 12/15/202413,300 shares $204.55 thousand -16.4%0.3%0.4 $15.38 11/30/202415,900 shares $270.94 thousand +37.1%0.4%0.5 $17.04 11/15/202411,600 shares $187.22 thousand +45.0%0.3%0.4 $16.14 10/31/20248,000 shares $134.48 thousand -51.2%0.2%0.3 $16.81 10/15/202416,400 shares $303.73 thousand -7.9%0.4%0.6 $18.52 9/30/202417,800 shares $269.49 thousand -22.9%0.4%0.8 $15.14 9/15/202423,100 shares $417.42 thousand +42.6%0.5%1.1 $18.07 8/31/202416,200 shares $263.41 thousand +57.3%0.4%1 $16.26 8/15/202410,300 shares $144.72 thousand -16.3%0.2%0.7 $14.05 7/31/202412,300 shares $179.64 thousand -14.6%0.3%0.8 $14.61 7/15/202414,400 shares $221.33 thousand -23.8%0.3%0.9 $15.37 6/30/202418,900 shares $259.31 thousand +17.4%0.5%1.1 $13.72 6/15/202416,100 shares $247.78 thousand -12.0%0.4%0.9 $15.39 5/31/202418,300 shares $277.25 thousand -14.1%0.5%1 $15.15 5/15/202421,300 shares $311.19 thousand -14.1%0.6%1.1 $14.61 4/30/202424,800 shares $309.26 thousand -19.0%0.7%1 $12.47 4/15/202430,600 shares $456.86 thousand -28.2%0.8%1.1 $14.93 3/31/202442,600 shares $566.58 thousand -29.2%1.2%1.4 $13.30 3/15/202460,200 shares $732.63 thousand +207.1%1.6%2 $12.17 2/29/202419,600 shares $250.68 thousand -63.0%0.5%0.6 $12.79 2/15/202453,000 shares $620.10 thousand -85.0%1.4%1.6 $11.70 1/31/2024353,300 shares $3.99 million -22.1%N/A0.7 $11.28 1/15/2024453,600 shares $367.42 thousand +125.7%N/A0.7 $0.81 12/31/2023201,000 shares $164.84 thousand -20.7%N/A0.1 $0.82 12/15/2023253,600 shares $190.94 thousand -52.0%N/A0.1 $0.75 11/30/2023528,000 shares $369.65 thousand -18.7%2.3%0.3 $0.70 11/15/2023649,700 shares $479.48 thousand -17.3%2.8%0.3 $0.74 10/31/2023785,300 shares $688.63 thousand +469.1%4.1%0.5 $0.88 10/15/2023138,000 shares $98.12 thousand +2.7%N/A0.1 $0.71[No Brainer Gold Play]: “Show me a better investment.” (Ad)A Historic Gold Announcement Is About to Rock Wall Street? 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Front-running Buffett has never been more urgent — and four tiny miners could be your ticket to 100X gains.Click here to get Garrett’s Top Four picks now. 9/30/2023134,400 shares $118.94 thousand -6.5%N/A1.2 $0.89 9/15/2023143,800 shares $130.81 thousand +14.6%N/A1.5 $0.91 8/31/2023125,500 shares $124.23 thousand -20.8%N/A1.4 $0.99 8/15/2023158,400 shares $156.74 thousand -14.8%N/A1.6 $0.99 7/31/2023185,900 shares $206.35 thousand +13.0%N/A1.8 $1.11 7/15/2023164,500 shares $177.66 thousand +0.7%N/A1.5 $1.08 6/30/2023163,300 shares $187.80 thousand -44.8%N/A1.1 $1.15 6/15/2023295,700 shares $319.36 thousand +2.7%N/A1.7 $1.08 5/31/2023287,900 shares $275.75 thousand +78.5%N/A1.4 $0.96 5/15/2023161,300 shares $167.75 thousand -5.5%N/A0.8 $1.04 4/30/2023170,600 shares $177.42 thousand -43.6%N/A0.8 $1.04 4/15/2023302,700 shares $299.67 thousand +84.5%N/A1.2 $0.99 3/31/2023164,100 shares $137.91 thousand +26.7%N/A0.7 $0.84 3/15/2023129,500 shares $170.94 thousand -14.0%N/A0.5 $1.32 2/28/2023150,600 shares $204.82 thousand -0.4%N/A0.5 $1.36 2/15/2023151,200 shares $231.34 thousand -1.3%N/A0.5 $1.53 1/31/2023153,200 shares $266.57 thousand -52.8%N/A0.5 $1.74 1/15/2023324,500 shares $499.73 thousand +49.0%N/A1.1 $1.54 12/30/2022217,800 shares $283.14 thousand +15.5%N/A0.7 $1.30 12/15/2022188,500 shares $218.66 thousand -82.2%N/A0.7 $1.16 11/30/20221,060,000 shares $1.39 million -16.5%N/A4.6 $1.31 11/15/20221,270,000 shares $1.77 million -9.9%N/A5.6 $1.39 10/31/20221,410,000 shares $2.31 million -5.4%N/A6.2 $1.64 10/15/20221,490,000 shares $2.47 million +6.4%N/A6.3 $1.66 9/30/20221,400,000 shares $2.30 million +2.9%N/A4.7 $1.64 9/15/20221,360,000 shares $2.84 million -3.6%N/A4.2 $2.09 8/31/20221,410,000 shares $2.64 million +10.2%N/A3.3 $1.87 8/15/20221,280,000 shares $2.75 million +1.6%N/A2.8 $2.15 7/31/20221,260,000 shares $2.61 million -2.3%N/A2.6 $2.07 7/15/20221,290,000 shares $2.63 million +42.8%5.8%2.6 $2.04 6/30/2022903,300 shares $1.90 million -17.9%4.0%1.9 $2.10 6/15/20221,100,000 shares $2.08 million -3.5%4.9%2.2 $1.89 5/31/20221,140,000 shares $2.18 million -14.3%N/A2.5 $1.91 5/15/20221,330,000 shares $2.05 million -7.6%N/A3 $1.54 4/30/20221,440,000 shares $2.53 million No ChangeN/A3.1 $1.76 4/15/20221,440,000 shares $2.98 million -0.7%N/A3 $2.07 3/31/20221,450,000 shares $2.99 million +16.9%N/A2.7 $2.06 3/15/20221,240,000 shares $1.84 million +4.2%N/A2.1 $1.48 2/28/20221,190,000 shares $1.84 million +2.6%N/A2 $1.55 2/15/20221,160,000 shares $1.88 million -13.4%N/A1.6 $1.62 1/31/20221,340,000 shares $2.49 million +8.9%N/A1.5 $1.86 1/15/20221,230,000 shares $2.40 million +7.9%N/A1.4 $1.95 12/31/20211,140,000 shares $2.66 million -13.0%N/A1.4 $2.33 12/15/20211,310,000 shares $2.84 million -15.5%N/A1.6 $2.17 11/30/20211,550,000 shares $3.57 million +21.1%N/A2 $2.30 11/15/20211,280,000 shares $3.60 million -8.6%N/A1.5 $2.81 10/29/20211,400,000 shares $4.41 million +23.9%N/A2.1 $3.15 10/15/20211,130,000 shares $3.68 million -22.1%N/A1.5 $3.26 9/30/20211,450,000 shares $5.05 million -8.2%N/A1.8 $3.48 9/15/20211,580,000 shares $5.06 million -1.9%N/A1.5 $3.20Trump’s Exec Order #14154 could be a “Millionaire-Maker” (Ad)Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans a chance at true financial independence in the months ahead.” We recently sat down with Rickards to capture all the key details on tape. For the moment, you can watch this interview free of charge – just click here. 8/31/20211,610,000 shares $6.12 million -42.1%N/A1.3 $3.80 8/13/20212,780,000 shares $9.95 million -3.5%N/A2.3 $3.58 7/30/20212,880,000 shares $9.99 million -31.4%7.9%2.4 $3.47 7/15/20214,200,000 shares $14.41 million -12.1%11.5%3.5 $3.43 6/30/20214,780,000 shares $18.55 million -6.5%13.0%4.1 $3.88 6/15/20215,110,000 shares $21.05 million +8.7%13.9%5.4 $4.12 5/28/20214,700,000 shares $18.66 million +5.2%12.8%5.5 $3.97 5/14/20214,470,000 shares $17.39 million -8.0%N/A4.3 $3.89 4/30/20214,860,000 shares $20.85 million +20.6%N/A3.9 $4.29 4/15/20214,030,000 shares $17.85 million -4.7%N/A3.1 $4.43 3/31/20214,230,000 shares $19.04 million +15.3%N/A3.3 $4.50 3/15/20213,670,000 shares $18.86 million -5.2%N/A2.8 $5.14 2/26/20213,870,000 shares $21.40 million +55.4%N/A3 $5.53 2/12/20212,490,000 shares $15.86 million +4.6%N/A2.2 $6.37 1/29/20212,380,000 shares $13.26 million -8.5%N/A1.5 $5.57 1/15/20212,600,000 shares $16.17 million -4.8%N/A1.9 $6.22 12/31/20202,730,000 shares $16.60 million -8.7%N/A2.2 $6.08 12/15/20202,990,000 shares $18.60 million No ChangeN/A2.5 $6.22 11/30/20202,990,000 shares $17.94 million +4.2%N/A2.7 $6.00 11/15/20202,870,000 shares $16.13 million -30.2%N/A3 $5.62 10/30/20204,110,000 shares $61.61 million +5.4%N/A5.7 $14.99 10/15/20203,900,000 shares $60.22 million +1.3%N/A16.5 $15.44 9/30/20203,850,000 shares $63.29 million +4.3%N/A16.6 $16.44 9/15/20203,690,000 shares $65.57 million -1.1%N/A15.7 $17.77 8/31/20203,730,000 shares $81.58 million +0.3%N/A17.3 $21.87 8/14/20203,720,000 shares $77.97 million -1.1%N/A17.1 $20.96 7/31/20203,760,000 shares $83.47 million -2.3%N/A16.8 $22.20 7/15/20203,850,000 shares $90.86 million +5.8%N/A18.1 $23.60 6/30/20203,640,000 shares $84.88 million +16.7%N/A17.5 $23.32 6/15/20203,120,000 shares $66.39 million +0.3%N/A14.2 $21.28 ASMB Short Interest - Frequently Asked Questions What is Assembly Biosciences' current short interest? Short interest is the volume of Assembly Biosciences shares that have been sold short but have not yet been closed out or covered. As of May 31st, traders have sold 13,900 shares of ASMB short. 0.35% of Assembly Biosciences' shares are currently sold short. Learn More on Assembly Biosciences' current short interest. What is a good short interest ratio for Assembly Biosciences? 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. ASMB shares currently have a short interest ratio of 1.0. Learn More on Assembly Biosciences's short interest ratio. What is a good short interest percentage for Assembly Biosciences? 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. 0.35% of Assembly Biosciences' floating shares are currently sold short. Is Assembly Biosciences' short interest increasing or decreasing? Assembly Biosciences saw a drop in short interest in the month of May. As of May 31st, there was short interest totaling 13,900 shares, a drop of 47.1% from the previous total of 26,300 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. What is Assembly Biosciences' float size? Assembly Biosciences currently has issued a total of 7,638,000 shares. Some of Assembly Biosciences' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Assembly Biosciences currently has a public float of 4,020,000 shares. How does Assembly Biosciences' short interest compare to its competitors? 0.35% of Assembly Biosciences' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to Assembly Biosciences: Omeros Co. (21.86%), Nektar Therapeutics (0.42%), Cumberland Pharmaceuticals Inc. (0.75%), Eli Lilly and Company (0.95%), Johnson & Johnson (0.80%), AbbVie Inc. (0.90%), Merck & Co., Inc. (1.38%), Pfizer Inc. (1.85%), Bristol-Myers Squibb (1.60%), Zoetis Inc. (2.37%), 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 ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks. What does it mean to sell short Assembly Biosciences stock? Short selling ASMB is an investing strategy that aims to generate trading profit from Assembly Biosciences as its price is falling. ASMB shares are trading down $0.20 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 Assembly Biosciences? A short squeeze for Assembly Biosciences 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 ASMB, which in turn drives the price of the stock up even further. How often is Assembly 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 ASMB, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies OMER Short Squeeze NKTR Short Squeeze CPIX Short Squeeze LLY Short Squeeze JNJ Short Squeeze ABBV Short Squeeze MRK Short Squeeze PFE Short Squeeze BMY Short Squeeze ZTS 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:ASMB) was last updated on 6/12/2025 by MarketBeat.com Staff From Our PartnersTrump’s Exec Order #14154 could be a “Millionaire-Maker”Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans...Paradigm Press | SponsoredTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? 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