AC Immune (ACIU) Short Interest Ratio & Short Volume $3.19 -0.36 (-10.14%) (As of 11/15/2024 ET) Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrends AC Immune Short Interest DataAC Immune (ACIU) has a short interest of 984,500 shares, representing 1.59% of the float (the number of shares available for trading by the public). This marks a 23.54% increase in short interest from the previous month. The short interest ratio (days to cover) is 10.7, indicating that it would take 10.7 days of the average trading volume of 134,480 shares to cover all short positions.Current Short Interest984,500 sharesPrevious Short Interest796,900 sharesChange Vs. Previous Month+23.54%Dollar Volume Sold Short$2.80 millionShort Interest Ratio10.7 Days to CoverLast Record DateOctober 31, 2024Outstanding Shares98,940,000 sharesFloat Size61,760,000 sharesShort Percent of Float1.59%Today's Trading Volume234,162 sharesAverage Trading Volume134,480 sharesToday's Volume Vs. Average174% Short Selling AC Immune? Sign up to receive the latest short interest report for AC Immune and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartACIU Short Interest Over TimeACIU Days to Cover Over TimeACIU Percentage of Float Shorted Over Time Ad ReticulateThere is a little known company that is changing warfareWith geo - political instability around the world investors are flocking to defense contract stocks. There is a little known company that is changing warfare. With the backing of U.S. government contracts, this startup is reshaping the future of the U.S. military.Click here to gain instant access to one of the most exclusive pre-ipo opportunities in the market t AC Immune Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 10/31/2024984,500 shares $2.80 million +23.5%1.6%10.7 $2.84 10/15/2024796,900 shares $2.55 million -7.4%1.3%6.7 $3.20 9/30/2024860,900 shares $3.25 million +12.9%1.4%6.8 $3.78 9/15/2024762,400 shares $2.42 million +0.9%1.2%4.6 $3.18 8/31/2024756,000 shares $2.44 million -3.6%1.2%4.3 $3.23 8/15/2024784,000 shares $2.66 million -16.4%1.3%3.1 $3.39 Get the Latest News and Ratings for ACIU and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AC Immune and its competitors with MarketBeat's FREE daily newsletter. 7/31/2024938,300 shares $3.84 million -2.8%1.5%1.1 $4.09 7/15/2024964,900 shares $3.56 million +32.0%1.7%1.2 $3.69 6/30/2024731,100 shares $2.92 million -8.8%1.3%0.9 $3.99 6/15/2024801,400 shares $3.41 million +2.9%1.4%0.9 $4.26 5/31/2024779,200 shares $3.62 million -51.6%1.4%0.9 $4.65 5/15/20241,610,000 shares $5.65 million +218.1%2.8%2.1 $3.51 4/30/2024506,200 shares $1.26 million -0.6%0.9%2.8 $2.48 4/15/2024509,400 shares $1.28 million -9.1%0.9%2.8 $2.52 3/31/2024560,600 shares $1.66 million -3.8%1.0%3.4 $2.96 3/15/2024583,000 shares $2.04 million -7.2%1.0%3.8 $3.50 2/29/2024628,000 shares $2.27 million -6.0%1.1%4.2 $3.62 2/15/2024668,100 shares $2.01 million +39.0%1.2%4.7 $3.01 1/31/2024480,600 shares $1.54 million -14.1%0.9%3.8 $3.21 1/15/2024559,300 shares $2.56 million -3.4%1.0%5.1 $4.57 12/31/2023579,200 shares $2.90 million +16.7%1.0%5.6 $5.00 12/15/2023496,400 shares $1.95 million -3.0%0.9%5.8 $3.92 11/30/2023511,700 shares $1.69 million -9.4%1.2%10.3 $3.31 11/15/2023564,900 shares $1.69 million +5.5%1.4%11.6 $3.00 10/31/2023535,300 shares $1.61 million +10.4%1.3%10.5 $3.00 10/15/2023485,100 shares $1.35 million +2.8%1.2%8.6 $2.78 9/30/2023472,100 shares $1.35 million +3.8%1.1%6.8 $2.85 9/15/2023455,000 shares $1.37 million +17.3%1.1%0.5 $3.02 8/31/2023388,000 shares $1.26 million -8.6%0.9%0.4 $3.25 8/15/2023424,600 shares $1.29 million -20.2%1.0%0.4 $3.03 7/31/2023532,000 shares $1.60 million -29.4%1.3%0.5 $3.00 7/15/2023753,300 shares $2.29 million -32.1%1.8%0.8 $3.04 6/30/20231,110,000 shares $3.28 million +375.4%2.7%1.1 $2.96 6/15/2023233,500 shares $455,325.00 -0.9%0.6%2.8 $1.95 5/31/2023235,700 shares $513,826.00 -7.9%0.6%3 $2.18 5/15/2023256,000 shares $537,600.00 +9.5%0.6%3.3 $2.10 4/30/2023233,800 shares $453,572.00 -14.6%0.6%2.3 $1.94 4/15/2023273,900 shares $613,536.00 -5.6%0.7%2.2 $2.24 3/31/2023290,200 shares $679,068.00 -1.7%0.7%2 $2.34 3/15/2023295,300 shares $679,190.00 +3.1%0.7%1.4 $2.30Strange: Why is Amazon suddenly yielding 39.70%? (Ad)Something big is happening with Amazon stock… While most investors collect ZERO dividends from Amazon… A small group just discovered a "backdoor" way to collect yields up to 39.70%!Click here to see this breakthrough before everyone else → 2/28/2023286,300 shares $655,627.00 -2.3%0.7%1.4 $2.29 2/15/2023293,000 shares $676,830.00 -7.5%0.7%1.4 $2.31 1/31/2023316,800 shares $785,664.00 +25.6%0.8%1.4 $2.48 1/15/2023252,200 shares $617,890.00 +3.7%0.6%1.5 $2.45 12/30/2022243,200 shares $496,128.00 -24.4%0.6%1.6 $2.04 12/15/2022321,700 shares $656,268.00 -4.3%0.7%2.5 $2.04 11/30/2022336,100 shares $857,055.00 -24.5%0.8%4.3 $2.55 11/15/2022445,100 shares $1.16 million -2.2%1.0%6.3 $2.61 10/31/2022455,100 shares $1.24 million -4.5%1.0%7.2 $2.73 10/15/2022476,500 shares $1.40 million -2.7%1.1%7.8 $2.93 9/30/2022489,600 shares $1.55 million +6.4%1.1%8.5 $3.16 9/15/2022460,300 shares $1.27 million +22.5%1.1%8.4 $2.75 8/31/2022375,700 shares $1.13 million -18.6%0.9%5.4 $3.02 8/15/2022461,300 shares $1.68 million +11.3%1.1%6.5 $3.64 7/31/2022414,300 shares $1.46 million -5.4%1.0%4.7 $3.52 7/15/2022437,700 shares $1.47 million -10.4%1.0%4.9 $3.36 6/30/2022488,500 shares $1.76 million +6.7%1.1%5.2 $3.61 6/15/2022458,000 shares $1.31 million -5.4%1.1%5 $2.86 5/31/2022484,100 shares $1.52 million -28.0%1.1%5.5 $3.14 5/15/2022672,400 shares $2.01 million -19.8%1.6%6.8 $2.99 4/30/2022838,300 shares $3.00 million -5.6%2.3%8.6 $3.58 4/15/2022888,200 shares $3.46 million +25.6%2.4%8.1 $3.89 3/31/2022707,200 shares $2.83 million -1.0%1.9%6 $4.00 3/15/2022714,100 shares $2.66 million -3.7%2.2%5.2 $3.73 2/28/2022741,600 shares $3.02 million +40.2%2.3%4.6 $4.07 2/15/2022529,000 shares $2.38 million -2.5%1.6%2.8 $4.50 1/31/2022542,500 shares $2.40 million -3.5%1.7%1.5 $4.42 1/15/2022562,400 shares $2.71 million +4.4%1.7%1.3 $4.82 12/31/2021538,800 shares $2.67 million +5.7%1.7%1.2 $4.95 12/15/2021509,700 shares $2.67 million +0.9%1.6%1.1 $5.23 11/30/2021505,300 shares $2.59 million -17.0%1.6%1 $5.13 11/15/2021608,900 shares $3.52 million -50.9%1.9%0.3 $5.78 10/29/20211,240,000 shares $7.99 million +15.9%3.8%0.6 $6.44 10/15/20211,070,000 shares $6.61 million -10.8%3.3%0.5 $6.18 9/30/20211,200,000 shares $8.05 million +6.2%3.7%0.6 $6.71 9/15/20211,130,000 shares $7.70 million +8.7%3.5%0.6 $6.81 8/31/20211,040,000 shares $8.46 million -11.1%3.2%0.5 $8.13 8/13/20211,170,000 shares $7.77 million -4.1%3.6%2.4 $6.64 7/30/20211,220,000 shares $8.88 million +0.8%3.8%2.5 $7.28 7/15/20211,210,000 shares $9.00 million +8.0%3.1%2.5 $7.44 6/30/20211,120,000 shares $8.88 million -13.2%2.8%2.3 $7.93 6/15/20211,290,000 shares $9.34 million +25.2%3.3%2.7 $7.24 5/28/20211,030,000 shares $6.27 million -14.2%2.6%2.3 $6.09 5/14/20211,200,000 shares $7.42 million -0.8%3.0%4.3 $6.18 4/30/20211,210,000 shares $8.28 million -7.6%3.1%1.5 $6.84 4/15/20211,310,000 shares $9.00 million -7.8%3.3%1.5 $6.87 3/31/20211,420,000 shares $10.42 million -6.0%3.6%1.5 $7.34 3/15/20211,510,000 shares $11.78 million +3.4%3.9%1.5 $7.80 2/26/20211,460,000 shares $11.18 million +25.9%3.8%1.5 $7.66 2/12/20211,160,000 shares $9.78 million +8.4%3.0%1.2 $8.43Has Trump Finally Gone Too Far? 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And here's the good news.Register For The Webinar To Discover 1/29/20211,070,000 shares $6.56 million -13.0%2.8%3 $6.13 1/15/20211,230,000 shares $7.53 million -3.9%3.2%3.6 $6.12 12/31/20201,280,000 shares $6.57 million No Change3.3%3.7 $5.13 12/15/20201,280,000 shares $6.37 million -12.9%3.3%3.7 $4.98 11/30/20201,470,000 shares $8.19 million -11.5%3.8%3.6 $5.57 11/15/20201,660,000 shares $8.53 million -11.2%4.3%4.1 $5.14 10/30/20201,870,000 shares $8.90 million +1.6%4.9%4.4 $4.76 10/15/20201,840,000 shares $9.13 million -7.5%4.8%4.3 $4.96 9/30/20201,990,000 shares $9.71 million +20.6%5.2%1.7 $4.88 9/15/20201,650,000 shares $14.95 million +7.1%4.3%1.5 $9.06 8/31/20201,540,000 shares $11.95 million -0.7%4.0%1.6 $7.76 8/14/20201,550,000 shares $10.65 million +46.2%4.0%1.6 $6.87 7/31/20201,060,000 shares $6.92 million +71.4%2.8%1.2 $6.53 7/15/2020618,400 shares $4.41 million -1.4%1.6%0.7 $7.13 6/30/2020627,100 shares $4.22 million +1.8%1.6%7.4 $6.73 6/15/2020616,200 shares $4.21 million -7.6%1.6%5.7 $6.84 5/29/2020666,900 shares $5.16 million +11.4%1.8%5.4 $7.74 5/15/2020598,600 shares $4.26 million +1.3%1.6%4.7 $7.11 4/30/2020590,700 shares $4.20 million +1.3%1.6%4.1 $7.11 4/15/2020583,100 shares $4.22 million +8.0%1.6%3.8 $7.24 3/31/2020540,100 shares $4.27 million +39.6%1.5%3.2 $7.90 3/13/2020386,900 shares $2.70 million +6.0%1.2%3.3 $6.98 2/28/2020365,000 shares $1.96 million +18.1%1.1%2.3 $5.38 2/14/2020309,200 shares $1.89 million -30.8%0.9%1.9 $6.12 1/31/2020446,600 shares $3.26 million -1.4%1.3%2.9 $7.31 1/15/2020452,700 shares $3.91 million +11.5%1.4%3.4 $8.63 12/31/2019406,200 shares $3.51 million -6.0%1.2%3.2 $8.64 ACIU Short Interest - Frequently Asked Questions What is AC Immune's current short interest? Short interest is the volume of AC Immune shares that have been sold short but have not yet been covered or closed out. As of October 31st, investors have sold 984,500 shares of ACIU short. 1.59% of AC Immune's shares are currently sold short. Learn More on AC Immune's current short interest. What is a good short interest ratio for AC Immune? 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. ACIU shares currently have a short interest ratio of 11.0. Learn More on AC Immune's short interest ratio. What is a good short interest percentage for AC Immune? 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. 1.59% of AC Immune's floating shares are currently sold short. Is AC Immune's short interest increasing or decreasing? AC Immune saw a increase in short interest during the month of October. As of October 31st, there was short interest totaling 984,500 shares, an increase of 23.5% from the previous total of 796,900 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. What is AC Immune's float size? AC Immune currently has issued a total of 98,940,000 shares. Some of AC Immune's 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. AC Immune currently has a public float of 61,760,000 shares. How does AC Immune's short interest compare to its competitors? 1.59% of AC Immune's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to AC Immune: Arcutis Biotherapeutics, Inc. (23.72%), Ardelyx, Inc. (10.16%), Calliditas Therapeutics AB (publ) (0.01%), Bicycle Therapeutics plc (6.88%), Applied Therapeutics, Inc. (10.43%), ArriVent BioPharma, Inc. (18.26%), Cogent Biosciences, Inc. (7.70%), Immatics (5.60%), Collegium Pharmaceutical, Inc. (19.87%), 89bio, Inc. (5.07%), 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. ($4.08 billion), AppLovin Co. ($3.18 billion), Paychex, Inc. ($2.64 billion), Nu Holdings Ltd. ($2.54 billion), International Paper ($2.46 billion), Cencora, Inc. ($2.27 billion), Moderna, Inc. ($1.87 billion), SoFi Technologies, Inc. ($1.81 billion), Lululemon Athletica Inc. ($1.75 billion), and Onsemi ($1.71 billion). View all of the most shorted stocks. What does it mean to sell short AC Immune stock? Short selling ACIU is an investing strategy that aims to generate trading profit from AC Immune as its price is falling. ACIU shares are trading down $0.36 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 AC Immune? A short squeeze for AC Immune 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 ACIU, which in turn drives the price of the stock up even further. How often is AC Immune'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 ACIU, twice per month. The most recent reporting period available is October, 31 2024. More Short Interest Resources from MarketBeat Related Companies Arcutis Biotherapeutics Short Interest Data Ardelyx Short Interest Data Calliditas Therapeutics AB (publ) Short Interest Data Bicycle Therapeutics Short Interest Data Applied Therapeutics Short Interest Data ArriVent BioPharma Short Interest Data Cogent Biosciences Short Interest Data Immatics Short Interest Data Collegium Pharmaceutical Short Interest Data 89bio 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:ACIU) was last updated on 11/17/2024 by MarketBeat.com Staff From Our PartnersBill Gates’s Next Big AI Bet: StargateIn February 2016… when almost nobody was talking about artificial intelligence…. 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