This company has been marked as potentially delisted and may not be actively trading. Aspen Technology (AZPN) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsEarningsHeadlinesInsider TradesOwnershipShort InterestSustainabilityTrendsBuy This Stock Aspen Technology Short Interest DataAspen Technology (AZPN) has a short interest of 1.60 million shares, representing 5.98% of the float (the number of shares available for trading by the public). This marks a 0.00% change in short interest from the previous month. The short interest ratio (days to cover) is 2.3, indicating that it would take 2.3 days of the average trading volume of 457,201 shares to cover all short positions.Current Short Interest1,600,000 sharesPrevious Short Interest1,600,000 sharesChange Vs. Previous MonthNo ChangeDollar Volume Sold Short$424.40 millionShort Interest Ratio2.3 Days to CoverLast Record DateFebruary 28, 2025Outstanding Shares63,308,000 sharesFloat Size26,740,000 sharesShort Percent of Float5.98%Today's Trading Volume0 sharesAverage Trading Volume457,201 sharesToday's Volume Vs. Average0% Short Selling Aspen Technology? Sign up to receive the latest short interest report for Aspen Technology 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAZPN Short Interest Over TimeAZPN Days to Cover Over TimeAZPN Percentage of Float Shorted Over Time Aspen Technology Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 2/28/20251,600,000 shares $424.40 million No Change6.0%2.3 $265.25 2/15/20251,600,000 shares $423.65 million +32.2%6.0%2.8 $264.78 1/31/20251,210,000 shares $318.90 million -14.8%4.6%2.1 $263.55 1/15/20251,420,000 shares $356.07 million +12.7%5.3%2.8 $250.75 12/31/20241,260,000 shares $314.53 million +3.3%4.7%3 $249.63 12/15/20241,220,000 shares $303.54 million +19.6%4.6%3.1 $248.80 11/30/20241,020,000 shares $255 million -13.6%3.8%2.9 $250.00 11/15/20241,180,000 shares $291.32 million -12.6%4.4%3.7 $246.88 10/31/20241,350,000 shares $316.89 million +2.3%5.1%5.1 $234.73 10/15/20241,320,000 shares $312.47 million -9.0%5.0%6.6 $236.72 Get the Latest News and Ratings for AZPN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Aspen Technology and its competitors with MarketBeat's FREE daily newsletter. 9/30/20241,450,000 shares $346.29 million -1.4%5.4%6.7 $238.82 9/15/20241,470,000 shares $331.06 million +8.9%5.5%6.8 $225.21 8/31/20241,350,000 shares $316.09 million No Change5.1%6.5 $234.14 8/15/20241,350,000 shares $287.43 million +11.6%5.1%6.9 $212.91 7/31/20241,210,000 shares $227.42 million -9.7%4.5%5.7 $187.95 7/15/20241,340,000 shares $263.98 million -8.2%5.0%6.3 $197.00 6/30/20241,460,000 shares $290.00 million -1.4%5.5%7.1 $198.63 6/15/20241,480,000 shares $292.54 million +6.5%5.5%7 $197.66 5/31/20241,390,000 shares $292.80 million -4.8%5.2%6.5 $210.65 5/15/20241,460,000 shares $323.10 million -4.0%5.4%6.6 $221.30 4/30/20241,520,000 shares $299.24 million +2.7%5.6%6.5 $196.87 4/15/20241,480,000 shares $297.26 million +2.1%5.5%7.3 $200.85 3/31/20241,450,000 shares $309.26 million +5.8%5.4%7 $213.28 3/15/20241,370,000 shares $267.04 million +5.4%5.1%7 $194.92 2/29/20241,300,000 shares $252.06 million +4.0%4.8%6.8 $193.89 2/15/20241,250,000 shares $225.94 million -4.6%4.6%6.5 $180.75 1/31/20241,310,000 shares $251.51 million -4.4%4.8%7.1 $191.99 1/15/20241,370,000 shares $274.71 million -4.9%5.0%7.5 $200.52 12/31/20231,440,000 shares $317.02 million -13.3%5.3%8.1 $220.15 12/15/20231,660,000 shares $344.70 million +16.9%6.1%9.3 $207.65 11/30/20231,420,000 shares $267.33 million -2.1%5.2%7.5 $188.26 11/15/20231,450,000 shares $261.68 million +4.3%5.4%7.9 $180.47 10/31/20231,390,000 shares $247.07 million +3.7%5.0%7.6 $177.75 10/15/20231,340,000 shares $266.74 million +5.5%4.8%7 $199.06 9/30/20231,270,000 shares $259.41 million +10.4%4.6%6.4 $204.26 9/15/20231,150,000 shares $226.81 million +12.8%4.1%5.4 $197.23 8/31/20231,020,000 shares $197.88 million -1.9%3.6%4.5 $194.00 8/15/20231,040,000 shares $200.14 million -2.8%3.7%4.4 $192.44 7/31/20231,070,000 shares $191.00 million -5.3%3.8%4.4 $178.50 7/15/20231,130,000 shares $200.54 million +8.7%4.0%4.4 $177.47BONUS GUIDE - Ben Stein Prepares For the Next Financial Crisis (Ad)With inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist Ben Stein—drawing on insights from his own experience and his father’s time advising two U.S. presidents—just released a new report on how to help protect your retirement from the next major crisis.Claim your free copy of “How to Survive the Next Financial Crisis” today 6/30/20231,040,000 shares $174.31 million -16.1%3.7%4.1 $167.61 6/15/20231,240,000 shares $206.84 million -6.8%4.4%5 $166.81 5/31/20231,330,000 shares $218.01 million -11.3%4.7%5.5 $163.92 5/15/20231,500,000 shares $250.22 million +60.8%5.3%6.6 $166.81 4/30/2023932,900 shares $165.12 million -9.4%3.3%4.2 $177.00 4/15/20231,030,000 shares $248.89 million -1.0%3.7%5 $241.64 3/31/20231,040,000 shares $238.02 million -2.8%3.7%5.1 $228.87 3/15/20231,070,000 shares $218.22 million +3.9%3.8%5.4 $203.94 2/28/20231,030,000 shares $218.37 million +7.5%3.7%5.3 $212.01 2/15/2023958,100 shares $207.56 million +9.9%3.4%4.1 $216.64 1/31/2023871,500 shares $173.21 million -3.0%3.1%3.6 $198.75 1/15/2023898,200 shares $180.30 million +0.7%3.2%3.7 $200.74 12/30/2022892,300 shares $183.28 million -3.9%3.2%3.6 $205.40 12/15/2022928,700 shares $191.56 million -6.7%3.3%3.5 $206.27 11/30/2022995,400 shares $229.44 million +9.6%3.6%3.8 $230.50 11/15/2022908,600 shares $225.55 million -11.8%3.3%4.1 $248.24 10/31/20221,030,000 shares $248.69 million +12.4%3.7%5 $241.45 10/15/2022916,600 shares $221.86 million -5.8%3.3%5 $242.05 9/30/2022973,000 shares $231.77 million +46.5%3.5%5.6 $238.20 9/15/2022664,300 shares $148.21 million +19.9%2.4%4.3 $223.11 8/31/2022554,200 shares $116.71 million +5.6%2.0%3.3 $210.60 8/15/2022524,800 shares $114.79 million +35.0%1.9%2.8 $218.73 7/31/2022388,800 shares $79.35 million +9.1%1.4%1.7 $204.09 7/15/2022356,500 shares $62.79 million -8.4%1.3%1.5 $176.12 6/30/2022389,200 shares $71.49 million -9.6%1.3%1.4 $183.68 6/15/2022430,700 shares $79.78 million -1.2%1.5%1.2 $185.23 5/31/2022435,700 shares $84.30 million -56.3%0.7%1.1 $193.49 5/15/2022997,600 shares $165.35 million +34.3%1.5%2.3 $165.75 4/30/2022742,800 shares $117.76 million -5.5%1.1%1.8 $158.54 4/15/2022786,200 shares $127.33 million +20.9%1.2%1.9 $161.95 3/31/2022650,400 shares $107.56 million -13.5%1.0%1.5 $165.37 3/15/2022751,600 shares $102.81 million +22.2%1.1%2 $136.79 2/28/2022615,000 shares $93.73 million +6.3%0.9%1.9 $152.41 2/15/2022578,400 shares $82.23 million -26.7%0.9%1.8 $142.17 1/31/2022788,900 shares $118.46 million +14.7%1.2%2.5 $150.16 1/15/2022687,800 shares $107.24 million -11.6%1.0%2.2 $155.92 12/31/2021778,300 shares $118.46 million -18.0%1.2%2 $152.20 12/15/2021949,200 shares $142.41 million -11.3%1.4%2.1 $150.03 11/30/20211,070,000 shares $155.18 million +36.1%1.6%2.2 $145.03 11/15/2021786,300 shares $115.37 million -25.1%1.2%1.6 $146.73 10/29/20211,050,000 shares $164.52 million -28.1%1.6%1.9 $156.69 10/15/20211,460,000 shares $238.72 million -17.1%2.2%2.8 $163.51 9/30/20211,760,000 shares $216.13 million -5.9%2.6%3.8 $122.80 9/15/20211,870,000 shares $241.36 million -6.5%2.8%4.6 $129.07 8/31/20212,000,000 shares $259 million -7.4%3.0%5.1 $129.50 8/13/20212,160,000 shares $274.38 million -5.3%3.2%5.2 $127.03 7/30/20212,280,000 shares $333.47 million -11.6%3.4%3.5 $146.26 7/15/20212,580,000 shares $366.85 million +14.2%3.8%3.6 $142.19 6/30/20212,260,000 shares $310.84 million -13.7%3.3%3.1 $137.54 6/15/20212,620,000 shares $364.18 million -13.3%3.9%3.7 $139.00BONUS GUIDE - Ben Stein Prepares For the Next Financial Crisis (Ad)With inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist Ben Stein—drawing on insights from his own experience and his father’s time advising two U.S. presidents—just released a new report on how to help protect your retirement from the next major crisis.Claim your free copy of “How to Survive the Next Financial Crisis” today 5/28/20213,020,000 shares $412.14 million +76.6%4.5%4.4 $136.47 5/14/20211,710,000 shares $240.26 million +93.2%2.5%2.6 $140.50 4/30/2021884,900 shares $117.37 million -4.1%1.3%2.1 $132.64 4/15/2021922,400 shares $138.80 million -3.4%1.4%2.4 $150.48 3/31/2021954,600 shares $137.03 million -7.3%1.4%2.4 $143.55 3/15/20211,030,000 shares $155.06 million -9.7%1.5%2.6 $150.54 2/26/20211,140,000 shares $171.55 million -1.7%1.7%2.9 $150.48 2/12/20211,160,000 shares $181.91 million -9.4%1.7%3 $156.82 1/29/20211,280,000 shares $172.44 million -18.5%1.9%3.1 $134.72 1/15/20211,570,000 shares $222.00 million +41.4%2.3%4.2 $141.40 12/31/20201,110,000 shares $145.34 million +2.8%1.7%3.1 $130.94 12/15/20201,080,000 shares $146.85 million -0.9%1.6%3.1 $135.97 11/30/20201,090,000 shares $146.66 million No Change1.6%3 $134.55 11/15/20201,090,000 shares $131.63 million -17.4%1.6%3 $120.76 10/30/20201,320,000 shares $147.71 million -9.0%2.0%3.2 $111.90 10/15/20201,450,000 shares $192.97 million +3.6%2.2%3.7 $133.08 9/30/20201,400,000 shares $177.23 million -7.9%2.1%3.2 $126.59 9/15/20201,520,000 shares $196.55 million -1.3%2.3%3.4 $129.31 8/31/20201,540,000 shares $195.63 million -14.0%2.3%3.4 $127.03 AZPN Short Interest - Frequently Asked Questions What is Aspen Technology's current short interest? Short interest is the volume of Aspen Technology shares that have been sold short but have not yet been covered or closed out. As of February 28th, investors have sold 1,600,000 shares of AZPN short. 5.98% of Aspen Technology's shares are currently sold short. Learn More on Aspen Technology's current short interest. What is a good short interest ratio for Aspen Technology? 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. AZPN shares currently have a short interest ratio of 2.0. Learn More on Aspen Technology's short interest ratio. What is a good short interest percentage for Aspen Technology? 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. 5.98% of Aspen Technology's floating shares are currently sold short. What is Aspen Technology's float size? Aspen Technology currently has issued a total of 63,308,000 shares. Some of Aspen Technology'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. Aspen Technology currently has a public float of 26,740,000 shares. How does Aspen Technology's short interest compare to its competitors? 5.98% of Aspen Technology's shares are currently sold short. Here is how the short interest of companies compare to Aspen Technology: Autodesk, Inc. (1.57%), Workday, Inc. (3.62%), Fair Isaac Corporation (3.43%), Tyler Technologies, Inc. (2.85%), SS&C Technologies Holdings, Inc. (1.67%), Guidewire Software, Inc. (2.14%), FactSet Research Systems Inc. (4.61%), Manhattan Associates, Inc. (2.97%), Pegasystems Inc. (5.78%), Informatica Inc. (8.99%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($23.74 billion), iShares 20+ Year Treasury Bond ETF ($10.75 billion), Strategy Inc ($6.56 billion), Apollo Global Management Inc. ($5.40 billion), Charter Communications, Inc. ($4.57 billion), AppLovin Corporation ($4.45 billion), Capital One Financial Corporation ($4.33 billion), Super Micro Computer, Inc. ($4.23 billion), Schlumberger Limited ($3.22 billion), and Royal Caribbean Cruises Ltd. ($3.06 billion). View all of the most shorted stocks. What does it mean to sell short Aspen Technology stock? Short selling AZPN is an investing strategy that aims to generate trading profit from Aspen Technology 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 Aspen Technology? A short squeeze for Aspen Technology 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 AZPN, which in turn drives the price of the stock up even further. How often is Aspen Technology'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 AZPN, twice per month. The most recent reporting period available is February, 28 2025. More Short Interest Resources from MarketBeat Related Companies Autodesk Short Interest Workday Short Interest Fair Isaac Short Interest Tyler Technologies Short Interest SS&C Technologies Short Interest Guidewire Software Short Interest FactSet Research Systems Short Interest Manhattan Associates Short Interest Pegasystems Short Interest Informatica Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:AZPN) was last updated on 8/31/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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