Allison Transmission (ALSN) Short Interest Ratio & Short Volume $102.38 -1.15 (-1.11%) Closing price 05/23/2025 03:59 PM EasternExtended Trading$102.28 -0.09 (-0.09%) As of 05/23/2025 05:32 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Allison Transmission Short Interest DataAllison Transmission (ALSN) has a short interest of 2.78 million shares, representing 3.32% of the float (the number of shares available for trading by the public). This marks a 30.52% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.2, indicating that it would take 3.2 days of the average trading volume of 641,388 shares to cover all short positions.Current Short Interest2,780,000 sharesPrevious Short Interest2,130,000 sharesChange Vs. Previous Month+30.52%Dollar Volume Sold Short$256.12 millionShort Interest Ratio3.2 Days to CoverLast Record DateApril 30, 2025Outstanding Shares84,255,000 sharesFloat Size83,750,000 sharesShort Percent of Float3.32%Today's Trading Volume564,574 sharesAverage Trading Volume641,388 sharesToday's Volume Vs. Average88% Short Selling Allison Transmission? Sign up to receive the latest short interest report for Allison Transmission and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartALSN Short Interest Over TimeALSN Days to Cover Over TimeALSN Percentage of Float Shorted Over Time Allison Transmission Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20252,780,000 shares $256.12 million +30.5%3.3%3.2 $92.13 4/15/20252,130,000 shares $189.41 million +31.5%2.5%2.6 $88.93 3/31/20251,620,000 shares $155.01 million -16.5%1.9%2.1 $95.69 3/15/20251,940,000 shares $186.47 million +7.8%2.3%2.8 $96.12 2/28/20251,800,000 shares $183.22 million No Change2.1%2.8 $101.79 2/15/20251,800,000 shares $188.79 million +1.1%2.1%3 $104.88 1/31/20251,780,000 shares $209.26 million -0.6%2.1%3.3 $117.56 1/15/20251,790,000 shares $208.11 million +3.5%2.1%3.3 $116.26 12/31/20241,730,000 shares $186.94 million +0.6%2.0%3.1 $108.06 12/15/20241,720,000 shares $200.40 million +33.3%2.0%2.8 $116.51 Get the Latest News and Ratings for ALSN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Allison Transmission and its competitors with MarketBeat's FREE daily newsletter. 11/30/20241,290,000 shares $152.87 million -32.8%1.5%2.2 $118.50 11/15/20241,920,000 shares $222.93 million +36.2%2.2%3.2 $116.11 10/31/20241,410,000 shares $150.69 million -0.7%1.6%2.5 $106.88 10/15/20241,420,000 shares $139.61 million +0.7%1.6%2.5 $98.32 9/30/20241,410,000 shares $135.43 million +18.5%1.6%2.3 $96.05 9/15/20241,190,000 shares $103.98 million -8.5%1.4%2.1 $87.38 8/31/20241,300,000 shares $120.58 million +3.2%1.5%2.3 $92.75 8/15/20241,260,000 shares $109.12 million -18.7%1.5%2.3 $86.60 7/31/20241,550,000 shares $137.33 million +9.9%1.8%2.7 $88.60 7/15/20241,410,000 shares $112.79 million -18.5%1.6%2.3 $79.99 6/30/20241,730,000 shares $131.31 million +22.7%2.0%2.9 $75.90 6/15/20241,410,000 shares $102.14 million -6.0%1.6%2.4 $72.44 5/31/20241,500,000 shares $113.69 million +15.4%1.7%2.5 $75.79 5/15/20241,300,000 shares $98.74 million +2.4%1.5%2 $75.95 4/30/20241,270,000 shares $93.41 million +23.3%1.5%1.7 $73.55 4/15/20241,030,000 shares $83.39 million +4.5%1.2%1.5 $80.96 3/31/2024985,800 shares $80.01 million +1.5%1.1%1.5 $81.16 3/15/2024971,400 shares $73.12 million +14.2%1.1%1.5 $75.27 2/29/2024850,700 shares $64.08 million -18.2%1.0%1.3 $75.33 2/15/20241,040,000 shares $74.62 million +2.0%1.2%1.6 $71.75 1/31/20241,020,000 shares $61.75 million -1.9%1.2%1.9 $60.54 1/15/20241,040,000 shares $59.24 million -8.0%1.2%1.7 $56.96 12/31/20231,130,000 shares $65.71 million -13.1%1.3%1.8 $58.15 12/15/20231,300,000 shares $76.70 million -8.5%1.5%2.2 $59.00 11/30/20231,420,000 shares $75.97 million +9.2%1.6%2.4 $53.50 11/15/20231,300,000 shares $70.04 million +3.2%1.5%2.1 $53.88 10/31/20231,260,000 shares $63.53 million +2.4%1.4%2 $50.42 10/15/20231,230,000 shares $72.04 million No Change1.4%2.1 $58.57 9/30/20231,230,000 shares $72.64 million -2.4%1.4%2.1 $59.06 9/15/20231,260,000 shares $74.73 million -9.4%1.4%2.1 $59.31The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a 8/31/20231,390,000 shares $84.00 million -4.8%1.6%2.1 $60.43 8/15/20231,460,000 shares $86.87 million -16.1%1.6%2.1 $59.50 7/31/20231,740,000 shares $102.10 million +8.1%2.0%2.4 $58.68 7/15/20231,610,000 shares $93.17 million -3.6%1.8%2.1 $57.87 6/30/20231,670,000 shares $94.27 million -10.2%1.9%2.1 $56.45 6/15/20231,860,000 shares $100.66 million +1.1%2.1%2.3 $54.12 5/31/20231,840,000 shares $87.03 million -5.2%2.0%2.3 $47.30 5/15/20231,940,000 shares $94.17 million -8.1%2.2%2.5 $48.54 4/30/20232,110,000 shares $102.95 million -5.4%2.3%2.6 $48.79 4/15/20232,230,000 shares $103.14 million -5.5%2.5%2.9 $46.25 3/31/20232,360,000 shares $106.77 million -1.7%2.6%3 $45.24 3/15/20232,400,000 shares $104.06 million +14.3%2.6%3 $43.36 2/28/20232,100,000 shares $99.75 million +6.6%2.3%2.6 $47.50 2/15/20231,970,000 shares $89.79 million -18.9%2.2%2.3 $45.58 1/31/20232,430,000 shares $109.54 million -4.3%2.7%3 $45.08 1/15/20232,540,000 shares $110.06 million -17.3%2.8%3 $43.33 12/30/20223,070,000 shares $127.71 million +35.8%3.4%3.7 $41.60 12/15/20222,260,000 shares $95.76 million +5.6%2.5%2.6 $42.37 11/30/20222,140,000 shares $95.87 million -20.2%2.3%2.4 $44.80 11/15/20222,680,000 shares $114.97 million -18.5%2.9%3.2 $42.90 10/31/20223,290,000 shares $139.00 million -7.6%3.6%3.6 $42.25 10/15/20223,560,000 shares $128.30 million +2.0%3.7%3.9 $36.04 9/30/20223,490,000 shares $117.82 million +7.7%3.7%4 $33.76 9/15/20223,240,000 shares $114.37 million -21.2%3.4%3.9 $35.30 8/31/20224,110,000 shares $149.03 million +50.0%4.3%5.1 $36.26 8/15/20222,740,000 shares $107.57 million -7.7%2.9%3.4 $39.26 7/31/20222,970,000 shares $124.35 million -8.6%3.1%4 $41.87 7/15/20223,250,000 shares $121.49 million -0.6%N/A4.4 $37.38 6/30/20223,270,000 shares $125.73 million +5.8%N/A4.1 $38.45 6/15/20223,090,000 shares $123.01 million +2.7%N/A3.8 $39.81 5/31/20223,010,000 shares $120.43 million -3.8%3.1%3.7 $40.01 5/15/20223,130,000 shares $118.88 million -14.0%3.3%3.7 $37.98 4/30/20223,640,000 shares $136.28 million +6.1%3.8%4.4 $37.44 4/15/20223,430,000 shares $120.60 million No Change3.6%4.1 $35.16 3/31/20223,430,000 shares $134.66 million +0.6%3.6%3.9 $39.26 3/15/20223,410,000 shares $131.59 million -2.6%3.5%3.5 $38.59 2/28/20223,500,000 shares $139.79 million +3.6%3.6%3.4 $39.94 2/15/20223,380,000 shares $136.42 million +5.6%3.5%3.2 $40.36 1/31/20223,200,000 shares $121.57 million -7.8%3.1%3 $37.99 1/15/20223,470,000 shares $142.62 million +11.2%3.4%3.1 $41.10 12/31/20213,120,000 shares $113.41 million -7.7%3.0%3 $36.35 12/15/20213,380,000 shares $115.66 million -7.4%3.3%3.2 $34.22 11/30/20213,650,000 shares $126.25 million +3.7%3.5%3.5 $34.59 11/15/20213,520,000 shares $128.66 million +9.0%3.4%3.3 $36.55 10/29/20213,230,000 shares $107.75 million -5.0%3.1%3.2 $33.36 10/15/20213,400,000 shares $119.37 million +0.9%3.2%3.7 $35.11 9/30/20213,370,000 shares $119.03 million -9.4%3.2%3.6 $35.32 9/15/20213,720,000 shares $136.71 million -2.1%3.6%4.5 $36.75 8/31/20213,800,000 shares $140.52 million -3.1%3.6%4.8 $36.98 8/13/20213,920,000 shares $151.00 million +0.8%3.7%5.2 $38.52Was $49. 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(not for long) (Ad)It was $49 to join our Money Monday Revolution… …a renegade group of traders defying the odds, and targeting a year’s worth of gains with just one trade every Monday at 9:30am… But right now, for a limited time… You can get access for just $7 today!Join the Money Monday revolution now for just $7 today >> 7/30/20213,890,000 shares $155.25 million -2.5%3.7%5 $39.91 7/15/20213,990,000 shares $160.32 million -2.0%3.7%4.8 $40.18 6/30/20214,070,000 shares $161.74 million +6.5%3.8%4.7 $39.74 6/15/20213,820,000 shares $159.22 million -3.5%3.5%4.2 $41.68 5/28/20213,960,000 shares $167.55 million +10.3%3.7%4.3 $42.31 5/14/20213,590,000 shares $162.52 million -25.7%3.3%3.3 $45.27 4/30/20214,830,000 shares $201.99 million -2.2%4.5%4.1 $41.82 4/15/20214,940,000 shares $214.20 million -15.4%4.5%4.3 $43.36 3/31/20215,840,000 shares $241.66 million -15.6%5.3%4.9 $41.38 3/15/20216,920,000 shares $294.52 million +14.8%6.2%6.2 $42.56 2/26/20216,030,000 shares $229.50 million +97.1%5.4%5.4 $38.06 2/12/20213,060,000 shares $130.02 million +9.3%2.8%2.9 $42.49 1/29/20212,800,000 shares $122.05 million +2.9%2.5%3 $43.59 1/15/20212,720,000 shares $112.64 million -3.6%2.4%2.6 $41.41 12/31/20202,820,000 shares $121.23 million -3.8%2.5%2.6 $42.99 12/15/20202,930,000 shares $122.30 million +3.2%2.6%2.5 $41.74 11/30/20202,840,000 shares $117.29 million +37.2%2.5%2.2 $41.30 11/15/20202,070,000 shares $83.69 million -18.8%1.9%1.6 $40.43 10/30/20202,550,000 shares $88.43 million -1.5%2.3%2 $34.68 10/15/20202,590,000 shares $102.59 million -32.9%2.3%2.2 $39.61 9/30/20203,860,000 shares $135.64 million +19.9%3.4%3.4 $35.14 9/15/20203,220,000 shares $110.70 million -4.2%2.9%2.9 $34.38 8/31/20203,360,000 shares $120.52 million +3.4%3.0%3.5 $35.87 8/14/20203,250,000 shares $123.60 million -10.5%2.9%3.4 $38.03 7/31/20203,630,000 shares $135.76 million -19.5%3.2%3.8 $37.40 7/15/20204,510,000 shares $162.50 million +5.6%4.0%4.7 $36.03 6/30/20204,270,000 shares $157.22 million +15.4%3.8%4.4 $36.82 6/15/20203,700,000 shares $138.68 million +16.4%3.3%3.7 $37.48 5/29/20203,180,000 shares $119.95 million -5.1%2.8%2.5 $37.72 ALSN Short Interest - Frequently Asked Questions What is Allison Transmission's current short interest? Short interest is the volume of Allison Transmission shares that have been sold short but have not yet been covered or closed out. As of April 30th, investors have sold 2,780,000 shares of ALSN short. 3.32% of Allison Transmission's shares are currently sold short. Learn More on Allison Transmission's current short interest. What is a good short interest ratio for Allison Transmission? 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. ALSN shares currently have a short interest ratio of 3.0. Learn More on Allison Transmission's short interest ratio. Which institutional investors are shorting Allison Transmission? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Allison Transmission: Walleye Trading LLC, Walleye Capital LLC, Simplex Trading LLC, and Wolverine Asset Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Allison Transmission? 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. 3.32% of Allison Transmission's floating shares are currently sold short. Is Allison Transmission's short interest increasing or decreasing? Allison Transmission saw a increase in short interest during the month of April. As of April 30th, there was short interest totaling 2,780,000 shares, an increase of 30.5% from the previous total of 2,130,000 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 Allison Transmission's float size? Allison Transmission currently has issued a total of 84,255,000 shares. Some of Allison Transmission'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. Allison Transmission currently has a public float of 83,750,000 shares. How does Allison Transmission's short interest compare to its competitors? 3.32% of Allison Transmission's shares are currently sold short. Here is how the short interest of companies compare to Allison Transmission: Aptiv PLC (4.21%), BorgWarner Inc. (4.30%), Modine Manufacturing (6.79%), Gentex Co. (3.62%), Lear Co. (3.51%), Dorman Products, Inc. (4.02%), Dana Incorporated (5.18%), LCI Industries (9.26%), Gentherm Incorporated (2.55%), Standard Motor Products, Inc. (4.09%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short Allison Transmission stock? Short selling ALSN is an investing strategy that aims to generate trading profit from Allison Transmission as its price is falling. ALSN shares are trading down $1.15 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 Allison Transmission? A short squeeze for Allison Transmission 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 ALSN, which in turn drives the price of the stock up even further. How often is Allison Transmission'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 ALSN, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies APTV Short Interest BWA Short Interest MOD Short Interest GNTX Short Interest LEA Short Interest DORM Short Interest DAN Short Interest LCII Short Interest THRM Short Interest SMP Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:ALSN) was last updated on 5/24/2025 by MarketBeat.com Staff From Our PartnersTrump Predicts Dollar DownfallREAD THIS VERY CAREFULLY: If you have $100,000 or more saved for retirement, this may make you VERY angry... ...Augusta Precious Metals | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | Sponsored$19 for a FULL YEAR of stock picks?!Invest in Musk's AI Play With Just $100 You don't need deep pockets to ride the next wave of AI wealth. ...Behind the Markets | SponsoredElon just did WHAT!?As you may recall, Biden and the Fed were working on a central bank digital currency, or CBDC. 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