Adicet Bio (ACET) Short Interest Ratio & Short Volume $0.99 -0.05 (-4.81%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$0.98 -0.01 (-0.51%) As of 10/17/2025 07:57 PM 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Adicet Bio Short Interest DataAdicet Bio (ACET) has a short interest of 4.78 million shares. This marks a 0.00% change in short interest from the previous month. The short interest ratio (days to cover) is 4.9, indicating that it would take 4.9 days of the average trading volume of 2.57 million shares to cover all short positions.Current Short Interest4,780,000 sharesPrevious Short Interest4,780,000 sharesChange Vs. Previous MonthNo ChangeDollar Volume Sold Short$3.87 millionShort Interest Ratio4.9 Days to CoverLast Record DateSeptember 30, 2025Outstanding Shares83,250,000 sharesPercentage of Shares Shorted5.74%Today's Trading Volume1,906,189 sharesAverage Trading Volume2,570,112 sharesToday's Volume Vs. Average74% Short Selling Adicet Bio? Sign up to receive the latest short interest report for Adicet Bio and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartACET Short Interest Over TimeACET Days to Cover Over TimeACET Percentage of Float Shorted Over Time Adicet Bio Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/30/20254,780,000 shares $3.87 million No ChangeN/A4.9 $0.81 9/15/20254,780,000 shares $3.83 million +4.4%N/A9.8 $0.80 8/31/20254,580,000 shares $3.30 million +2.7%6.0%9.5 $0.72 8/15/20254,460,000 shares $2.92 million +10.7%N/A9 $0.66 7/31/20254,030,000 shares $2.76 million +7.2%5.3%7.4 $0.69 7/15/20253,760,000 shares $2.87 million +13.3%N/A7.7 $0.76 6/30/20253,320,000 shares $2.03 million +14.9%4.4%6 $0.61 6/15/20252,890,000 shares $2.17 million -7.7%3.8%5.3 $0.75 5/31/20253,130,000 shares $2.21 million +32.1%4.7%6 $0.71 5/15/20252,370,000 shares $1.51 million +16.2%3.6%4.4 $0.64 Get the Latest News and Ratings for ACET and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Adicet Bio and its competitors with MarketBeat's FREE daily newsletter. 4/30/20252,040,000 shares $1.35 million -1.0%N/A3.7 $0.66 4/15/20252,060,000 shares $1.22 million -27.7%3.1%2.6 $0.59 3/31/20252,850,000 shares $2.15 million +0.7%4.3%3.7 $0.76 3/15/20252,830,000 shares $2.21 million -9.9%4.2%3.6 $0.78 2/28/20253,140,000 shares $2.82 million -16.9%4.7%3.8 $0.90 2/15/20253,780,000 shares $3.75 million +27.3%5.7%4.2 $0.99 1/31/20252,970,000 shares $2.63 million -2.9%N/A3.1 $0.89 1/15/20253,060,000 shares $2.85 million -9.2%N/A5.4 $0.93 12/31/20243,370,000 shares $3.24 million +0.6%N/A5.9 $0.96 12/15/20243,350,000 shares $3.23 million +12.0%N/A5.6 $0.96 11/30/20242,990,000 shares $3.38 million -18.1%N/A5.2 $1.13 11/15/20243,650,000 shares $3.46 million +6.1%N/A6.9 $0.95 10/31/20243,440,000 shares $4.40 million +0.3%N/A8 $1.28 10/15/20243,430,000 shares $4.80 million -7.8%N/A6.9 $1.40 9/30/20243,720,000 shares $5.36 million -11.0%N/A5.5 $1.44 9/15/20244,180,000 shares $6.23 million +2.0%N/A4.7 $1.49 8/31/20244,100,000 shares $5.99 million -10.3%N/A4.5 $1.46 8/15/20244,570,000 shares $6.54 million -1.1%N/A4.8 $1.43 7/31/20244,620,000 shares $6.98 million -13.5%N/A4.4 $1.51 7/15/20245,340,000 shares $6.57 million -16.8%N/A4 $1.23 6/30/20246,420,000 shares $7.77 million -9.5%N/A5.3 $1.21 6/15/20247,090,000 shares $9.57 million +4.1%N/A6.8 $1.35 5/31/20246,810,000 shares $9.87 million -1.9%N/A5.7 $1.45 5/15/20246,940,000 shares $9.72 million -9.6%N/A5.2 $1.40 4/30/20247,680,000 shares $11.44 million -2.2%N/A5.2 $1.49 4/15/20247,850,000 shares $17.27 million +2.1%N/A5.5 $2.20 3/31/20247,690,000 shares $18.07 million +32.4%N/A4.6 $2.35 3/15/20245,810,000 shares $11.62 million +2.7%N/A3.4 $2.00 2/29/20245,660,000 shares $13.30 million +19.2%N/A3.7 $2.35 2/15/20244,750,000 shares $14.25 million +22.1%N/A3.4 $3.00 1/31/20243,890,000 shares $11.63 million +21.2%N/A3.4 $2.99 1/15/20243,210,000 shares $10.69 million +21.1%10.6%3.8 $3.33 12/31/20232,650,000 shares $5.01 million +4.7%8.7%4.3 $1.89 12/15/20232,530,000 shares $4.02 million -18.9%8.3%6.4 $1.59 11/30/20233,120,000 shares $3.68 million +3.0%10.3%8.4 $1.18 11/15/20233,030,000 shares $3.67 million +6.7%10.0%7.7 $1.21 10/31/20232,840,000 shares $3.75 million -5.7%9.5%6.5 $1.32 10/15/20233,010,000 shares $4.15 million +0.3%10.0%6.6 $1.38 9/30/20233,000,000 shares $4.11 million +2.4%10.0%6.1 $1.37 9/15/20232,930,000 shares $5.01 million +8.5%9.7%3.3 $1.71 8/31/20232,700,000 shares $5.40 million +9.3%9.0%2.9 $2.00 8/15/20232,470,000 shares $5.26 million +7.4%8.2%2.7 $2.13 7/31/20232,300,000 shares $6.14 million -22.3%7.4%2.6 $2.67 7/15/20232,960,000 shares $9.12 million -5.7%9.6%3.5 $3.08 6/30/20233,140,000 shares $7.63 million -12.3%10.2%3.8 $2.43 6/15/20233,580,000 shares $16.22 million +15.1%12.0%8.2 $4.53 5/31/20233,110,000 shares $17.04 million +6.1%10.4%6.7 $5.48 5/15/20232,930,000 shares $20.89 million -7.6%9.8%6.2 $7.13 4/30/20233,170,000 shares $18.51 million +16.1%11.4%6.6 $5.84 4/15/20232,730,000 shares $15.32 million -2.9%9.1%5.5 $5.61 3/31/20232,810,000 shares $16.19 million -7.6%9.4%5.3 $5.76 3/15/20233,040,000 shares $23.44 million -7.6%10.2%5.4 $7.71 2/28/20233,290,000 shares $25.93 million -4.1%11.0%4.7 $7.88 2/15/20233,430,000 shares $27.92 million +7.9%11.5%4.8 $8.14 1/31/20233,180,000 shares $29.10 million -15.2%11.0%4.2 $9.15 1/15/20233,750,000 shares $32.59 million -1.8%12.9%4.9 $8.69 12/30/20223,820,000 shares $34.15 million -6.8%13.1%5.1 $8.94 12/15/20224,100,000 shares $40.80 million +2.0%14.1%5.5 $9.95 11/30/20224,020,000 shares $73.08 million +29.7%14.2%6.7 $18.18 11/15/20223,100,000 shares $63.05 million -13.7%11.0%5.6 $20.34 10/31/20223,590,000 shares $59.20 million -4.8%13.6%6.5 $16.49 10/15/20223,770,000 shares $62.62 million -4.8%14.2%7.2 $16.61 9/30/20223,960,000 shares $56.31 million +30.3%15.0%7.6 $14.22 9/15/20223,040,000 shares $52.08 million +8.2%11.5%6 $17.13 8/31/20222,810,000 shares $39.79 million +10.6%11.7%5.8 $14.16 8/15/20222,540,000 shares $38.96 million -51.3%10.6%4 $15.34 7/31/20225,220,000 shares $88.17 million -1.3%23.7%8.7 $16.89 7/15/20225,290,000 shares $96.23 million -7.8%24.0%8.4 $18.19 6/30/20225,740,000 shares $83.80 million No Change26.0%9.2 $14.60 6/15/20225,740,000 shares $65.21 million +64.9%26.0%9.1 $11.36 5/31/20223,480,000 shares $41.13 million +14.5%15.8%5.7 $11.82 5/15/20223,040,000 shares $35.96 million +31.6%13.8%7.4 $11.83 4/30/20222,310,000 shares $34.05 million +69.9%10.2%5.9 $14.74 4/15/20221,360,000 shares $23.00 million +27.1%6.0%4 $16.91 3/31/20221,070,000 shares $21.37 million +14.7%4.5%3.1 $19.97 3/15/2022933,100 shares $12.10 million +5.5%3.9%3 $12.97 2/28/2022884,800 shares $11.57 million -37.7%3.9%0.7 $13.08 2/15/20221,420,000 shares $21.43 million +94.0%6.2%1.2 $15.09 1/31/2022731,800 shares $9.24 million -10.8%3.0%0.6 $12.62 1/15/2022820,800 shares $11.95 million -9.8%6.4%0.7 $14.56 12/31/2021909,900 shares $15.91 million -15.8%7.1%0.8 $17.49 12/15/20211,080,000 shares $15.80 million +258.3%8.4%1 $14.63 11/30/2021301,400 shares $3.21 million -18.6%2.7%0.3 $10.64 11/15/2021370,200 shares $3.46 million -10.5%3.6%4.6 $9.35 10/29/2021413,400 shares $3.56 million +5.3%4.0%5.3 $8.60 10/15/2021392,700 shares $3.16 million +0.3%3.8%4.4 $8.04 9/30/2021391,500 shares $3.07 million -5.2%3.8%4.1 $7.84 9/15/2021412,900 shares $2.92 million -10.6%4.0%2.9 $7.06 8/31/2021461,600 shares $3.85 million -26.7%4.5%2.8 $8.35 8/13/2021630,100 shares $4.87 million -0.6%6.1%3.7 $7.73 7/30/2021634,000 shares $4.69 million -9.4%6.1%3.8 $7.40 7/15/2021699,400 shares $5.58 million -9.9%4.7%4.3 $7.98 6/30/2021776,500 shares $7.99 million +70.1%5.2%4.8 $10.29 6/15/2021456,400 shares $5.01 million -7.4%3.1%3.9 $10.97 5/28/2021492,800 shares $6.61 million +2.9%3.3%4.2 $13.42 5/14/2021479,100 shares $6.21 million +2.7%3.2%3.8 $12.96 4/30/2021466,700 shares $7.35 million +3.4%3.1%2.8 $15.75 4/15/2021451,400 shares $5.88 million +14.0%3.0%2.9 $13.02 3/31/2021396,000 shares $5.16 million +52.1%2.6%2.6 $13.02 3/15/2021260,400 shares $3.84 million +19.1%1.7%1.8 $14.76 2/26/2021218,600 shares $3.44 million +38.2%1.4%1.7 $15.75 2/12/2021158,200 shares $2.72 million +11.6%1.0%1.4 $17.17 1/29/2021141,800 shares $1.76 million -2.4%0.9%2.3 $12.41 1/15/2021145,300 shares $1.95 million No Change0.9%2.5 $13.42 ACET Short Interest - Frequently Asked Questions What is Adicet Bio's current short interest? Short interest is the volume of Adicet Bio shares that have been sold short but have not yet been closed out or covered. As of September 30th, traders have sold 4,780,000 shares of ACET short. Learn More on Adicet Bio's current short interest. What is a good short interest ratio for Adicet Bio? 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. ACET shares currently have a short interest ratio of 5.0. Learn More on Adicet Bio's short interest ratio. How does Adicet Bio's short interest compare to its competitors? Here is how the short interest of companies compare to Adicet Bio: ADMA Biologics Inc (7.30%), United Rentals, Inc. (2.59%), Fastenal Company (2.25%), W.W. Grainger, Inc. (2.40%), Watsco, Inc. (6.91%), WESCO International, Inc. (3.86%), Applied Industrial Technologies, Inc. (1.76%), Air Lease Corporation (1.46%), GATX Corporation (2.90%), MSC Industrial Direct Company, Inc. (6.35%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($15.71 billion), Robinhood Markets, Inc. ($7.56 billion), Reddit Inc. ($4.55 billion), Coinbase Global, Inc. ($4.53 billion), CoreWeave Inc. ($4.43 billion), Charter Communications, Inc. ($4.07 billion), Seagate Technology Holdings PLC ($3.94 billion), IonQ, Inc. ($3.78 billion), TC Energy Corporation ($3.13 billion), and Live Nation Entertainment, Inc. ($3.12 billion). View all of the most shorted stocks. What does it mean to sell short Adicet Bio stock? Short selling ACET is an investing strategy that aims to generate trading profit from Adicet Bio as its price is falling. ACET shares are trading down $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 Adicet Bio? A short squeeze for Adicet Bio 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 ACET, which in turn drives the price of the stock up even further. How often is Adicet Bio'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 ACET, twice per month. The most recent reporting period available is September, 30 2025. More Short Interest Resources from MarketBeat Related Companies ADMA Short Interest Data URI Short Interest Data FAST Short Interest Data GWW Short Interest Data WSO Short Interest Data WCC Short Interest Data AIT Short Interest Data AL Short Interest Data GATX Short Interest Data MSM 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:ACET) was last updated on 10/18/2025 by MarketBeat.com Staff From Our PartnersBuy alert: Move $1,000 before Tesla’s Optimus launchElon's $1,000,000,000,000 payday Elon Musk just made his biggest insider purchase of Tesla stock ever. 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