Certara (CERT) Short Interest Ratio & Short Volume $13.86 -0.03 (-0.22%) Closing price 04/30/2025 04:00 PM EasternExtended Trading$14.43 +0.57 (+4.11%) As of 08:34 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Certara Short Interest DataCertara (CERT) has a short interest of 9.07 million shares, representing 7.48% of the float (the number of shares available for trading by the public). This marks a 46.76% increase in short interest from the previous month. The short interest ratio (days to cover) is 5.0, indicating that it would take 5.0 days of the average trading volume of 1.23 million shares to cover all short positions.Current Short Interest9,070,000 sharesPrevious Short Interest6,180,000 sharesChange Vs. Previous Month+46.76%Dollar Volume Sold Short$125.89 millionShort Interest Ratio5.0 Days to CoverLast Record DateApril 15, 2025Outstanding Shares161,476,000 sharesFloat Size121,180,000 sharesShort Percent of Float7.48%Today's Trading Volume1,486,875 sharesAverage Trading Volume1,227,696 sharesToday's Volume Vs. Average121% Short Selling Certara? Sign up to receive the latest short interest report for Certara and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCERT Short Interest Over TimeCERT Days to Cover Over TimeCERT Percentage of Float Shorted Over Time Certara Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/15/20259,070,000 shares $125.89 million +46.8%7.5%5 $13.88 3/31/20256,180,000 shares $61.18 million +4.6%5.1%4.3 $9.90 3/15/20255,910,000 shares $64.54 million +10.1%4.9%4.5 $10.92 2/28/20255,370,000 shares $64.33 million -13.0%4.4%4 $11.98 2/15/20256,170,000 shares $87.55 million +17.3%5.1%4.8 $14.19 1/31/20255,260,000 shares $74.85 million +18.7%4.7%4.2 $14.23 1/15/20254,430,000 shares $52.98 million +5.7%4.0%3.6 $11.96 12/31/20244,190,000 shares $44.62 million -1.6%3.8%3.6 $10.65 12/15/20244,260,000 shares $48.86 million -13.9%3.8%3.5 $11.47 11/30/20244,950,000 shares $55.49 million -0.2%4.5%3.7 $11.21 Get the Latest News and Ratings for CERT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Certara and its competitors with MarketBeat's FREE daily newsletter. 11/15/20244,960,000 shares $49.40 million -7.5%4.5%3.8 $9.96 10/31/20245,360,000 shares $54.67 million +31.4%4.8%4.2 $10.20 10/15/20244,080,000 shares $45.74 million +4.1%3.7%3.4 $11.21 9/30/20243,920,000 shares $45.90 million -9.5%3.5%3.5 $11.71 9/15/20244,330,000 shares $47.41 million -18.2%3.9%4.2 $10.95 8/31/20245,290,000 shares $64.80 million -4.9%4.8%6.3 $12.25 8/15/20245,560,000 shares $67.61 million +11.2%5.0%7.8 $12.16 7/31/20245,000,000 shares $78.05 million +0.2%4.5%7.7 $15.61 7/15/20244,990,000 shares $78.09 million -0.8%4.5%8.3 $15.65 6/30/20245,030,000 shares $69.67 million +14.3%4.6%8.8 $13.85 6/15/20244,400,000 shares $65.52 million -15.7%4.0%7.6 $14.89 5/31/20245,220,000 shares $88.48 million -7.9%4.8%9.7 $16.95 5/15/20245,670,000 shares $90.27 million -0.5%5.2%10.4 $15.92 4/30/20245,700,000 shares $97.53 million -0.2%5.2%10.7 $17.11 4/15/20245,710,000 shares $99.58 million +0.7%5.2%10.3 $17.44 3/31/20245,670,000 shares $101.38 million +7.4%5.2%10.3 $17.88 3/15/20245,280,000 shares $97.47 million +12.6%4.8%10 $18.46 2/29/20244,690,000 shares $79.17 million -0.9%4.3%8.1 $16.88 2/15/20244,730,000 shares $85.80 million +3.1%4.3%8.6 $18.14 1/31/20244,590,000 shares $74.17 million +7.8%4.2%7.5 $16.16 1/15/20244,260,000 shares $69.61 million -10.7%3.9%6.9 $16.34 12/31/20234,770,000 shares $83.90 million -7.7%4.4%7.4 $17.59 12/15/20235,170,000 shares $87.89 million +11.7%4.7%7.7 $17.00 11/30/20234,630,000 shares $66.72 million -1.3%4.2%6.8 $14.41 11/15/20234,690,000 shares $69.08 million -11.0%4.3%6.9 $14.73 10/31/20235,270,000 shares $64.24 million -18.7%4.8%7.4 $12.19 10/15/20236,480,000 shares $89.04 million +4.9%6.0%9.4 $13.74 9/30/20236,180,000 shares $89.86 million +3.0%5.7%9.2 $14.54 9/15/20236,000,000 shares $84.60 million -8.0%5.5%8.1 $14.10 8/31/20236,520,000 shares $105.36 million -5.5%6.0%7.3 $16.16Here’s How to Claim Your Stake in Elon’s Private Company, xAI (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the May 1st funding window clos 8/15/20236,900,000 shares $116.61 million -3.5%6.4%6.6 $16.90 7/31/20237,150,000 shares $139.21 million +3.5%6.6%6.5 $19.47 7/15/20236,910,000 shares $133.02 million -11.0%6.4%5.9 $19.25 6/30/20237,760,000 shares $141.31 million -13.1%7.2%6.4 $18.21 6/15/20238,930,000 shares $158.86 million -14.0%11.4%7.3 $17.79 5/31/202310,380,000 shares $215.70 million +26.9%13.3%6.1 $20.78 5/15/20238,180,000 shares $166.71 million +1.9%10.5%5.2 $20.38 4/30/20238,030,000 shares $194.09 million +11.5%10.3%5.5 $24.17 4/15/20237,200,000 shares $173.45 million -3.1%9.3%5.3 $24.09 3/31/20237,430,000 shares $179.14 million +164.4%10.4%5.6 $24.11 3/15/20232,810,000 shares $57.77 million -8.5%3.9%2.3 $20.56 2/28/20233,070,000 shares $55.63 million +4.1%4.3%4.8 $18.12 2/15/20232,950,000 shares $57.35 million +2.1%4.1%4.6 $19.44 1/31/20232,890,000 shares $56.07 million +5.5%4.1%3.9 $19.40 1/15/20232,740,000 shares $47.65 million +0.7%3.8%3.6 $17.39 12/30/20222,720,000 shares $43.71 million -8.1%3.8%3.6 $16.07 12/15/20222,960,000 shares $48.54 million -3.3%4.1%3.9 $16.40 11/30/20223,060,000 shares $51.96 million +5.2%3.0%3.8 $16.98 11/15/20222,910,000 shares $45.34 million +32.3%2.9%3.7 $15.58 10/31/20222,200,000 shares $26.91 million +15.2%2.2%2.4 $12.23 10/15/20221,910,000 shares $22.23 million +11.1%1.9%2.3 $11.64 9/30/20221,720,000 shares $22.84 million +5.5%1.7%2.2 $13.28 9/15/20221,630,000 shares $24.38 million -30.6%1.6%2.1 $14.96 8/31/20222,350,000 shares $36.82 million -7.5%2.3%3.2 $15.67 8/15/20222,540,000 shares $45.44 million -1.2%2.3%3.6 $17.89 7/31/20222,570,000 shares $59.08 million -4.1%2.5%5 $22.99 7/15/20222,680,000 shares $59.74 million -5.6%2.6%5 $22.29 6/30/20222,840,000 shares $60.95 million -9.0%2.8%5.1 $21.46 6/15/20223,120,000 shares $58.91 million -15.7%3.1%5.9 $18.88 5/31/20223,700,000 shares $75.18 million +16.7%3.7%6.4 $20.32 5/15/20223,170,000 shares $60.55 million -7.6%3.2%5 $19.10 4/30/20223,430,000 shares $62.94 million +7.2%3.4%5.5 $18.35 4/15/20223,200,000 shares $67.36 million +12.7%3.2%5 $21.05 3/31/20222,840,000 shares $61.00 million -4.7%2.8%4.1 $21.48 3/15/20222,980,000 shares $56.71 million +7.2%3.0%4.1 $19.03 2/28/20222,780,000 shares $70.45 million -5.4%2.8%3.6 $25.34 2/15/20222,940,000 shares $78.38 million -3.3%2.9%3.7 $26.66 1/31/20223,040,000 shares $81.26 million -5.0%3.0%2.9 $26.73 1/15/20223,200,000 shares $88.93 million -3.6%3.2%3.1 $27.79 12/31/20213,320,000 shares $94.35 million +9.9%3.3%3.4 $28.42 12/15/20213,020,000 shares $83.32 million +69.7%3.0%3.1 $27.59 11/30/20211,780,000 shares $47.94 million -33.8%1.8%1.5 $26.93 11/15/20212,690,000 shares $102.33 million +6.8%3.0%2.3 $38.04 10/29/20212,520,000 shares $104.10 million -18.7%2.9%2.7 $41.31 10/15/20213,100,000 shares $117.30 million +12.3%3.5%3.4 $37.84 9/30/20212,760,000 shares $91.36 million +29.6%3.2%3.1 $33.10 9/15/20212,130,000 shares $74.76 million +6.5%2.5%2.5 $35.10 8/31/20212,000,000 shares $67.18 million +30.7%3.2%3 $33.59 8/13/20211,530,000 shares $44.23 million -12.6%2.5%3.4 $28.91 7/30/20211,750,000 shares $47.62 million -1.7%2.8%3.8 $27.21Here’s How to Claim Your Stake in Elon’s Private Company, xAI (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the May 1st funding window clos 7/15/20211,780,000 shares $43.54 million -1.1%3.3%3.8 $24.46 6/30/20211,800,000 shares $50.99 million -14.3%3.3%3.8 $28.33 6/15/20212,100,000 shares $56.07 million -7.9%3.9%3.5 $26.70 5/28/20212,280,000 shares $59.99 million +2.7%4.2%3.4 $26.31 5/14/20212,220,000 shares $56.90 million +5.7%4.1%3.1 $25.63 4/30/20212,100,000 shares $69.95 million +10.5%3.9%3 $33.31 4/15/20211,900,000 shares $53.26 million -31.7%3.5%2.9 $28.03 3/31/20212,780,000 shares $73.39 million +79.4%5.1%4.2 $26.40 3/15/20211,550,000 shares $42.53 million -7.7%3.4%2.5 $27.44 2/26/20211,680,000 shares $55.39 million +19.2%4.1%1.7 $32.97 2/12/20211,410,000 shares $54.99 million -3.4%3.4%1.4 $39.00 1/29/20211,460,000 shares $50.43 million -4.6%4.8%1.2 $34.54 1/15/20211,530,000 shares $52.52 million No Change5.0%1.1 $34.33 CERT Short Interest - Frequently Asked Questions What is Certara's current short interest? Short interest is the volume of Certara shares that have been sold short but have not yet been closed out or covered. As of April 15th, investors have sold 9,070,000 shares of CERT short. 7.48% of Certara's shares are currently sold short. Learn More on Certara's current short interest. What is a good short interest ratio for Certara? 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. CERT shares currently have a short interest ratio of 5.0. Learn More on Certara's short interest ratio. Which institutional investors are shorting Certara? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Certara: Citadel Advisors LLC, and Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Certara? 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. 7.48% of Certara's floating shares are currently sold short. Is Certara's short interest increasing or decreasing? Certara saw a increase in short interest during the month of April. As of April 15th, there was short interest totaling 9,070,000 shares, an increase of 46.8% from the previous total of 6,180,000 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 Certara's float size? Certara currently has issued a total of 161,476,000 shares. Some of Certara'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. Certara currently has a public float of 121,180,000 shares. How does Certara's short interest compare to its competitors? 7.48% of Certara's shares are currently sold short. Here is how the short interest of companies in the industry of "computer software" compare to Certara: NICE Ltd. (2.77%), The Descartes Systems Group Inc. (1.25%), Procore Technologies, Inc. (9.57%), Dayforce Inc (4.70%), Wix.com Ltd. (3.48%), Dropbox, Inc. (9.94%), Elastic (4.23%), AppFolio, Inc. (3.04%), Match Group, Inc. (4.30%), Tempus AI, Inc. (26.40%), 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 ($21.71 billion), iShares 20+ Year Treasury Bond ETF ($9.48 billion), Strategy Incorporated ($8.92 billion), Charter Communications, Inc. ($3.86 billion), Apollo Global Management, Inc. ($3.86 billion), Capital One Financial Co. ($3.72 billion), Super Micro Computer, Inc. ($3.47 billion), AppLovin Co. ($2.64 billion), VanEck Semiconductor ETF ($2.46 billion), and The Kroger Co. ($2.33 billion). View all of the most shorted stocks. What does it mean to sell short Certara stock? Short selling CERT is an investing strategy that aims to generate trading profit from Certara as its price is falling. CERT shares are trading down $0.03 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 Certara? A short squeeze for Certara 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 CERT, which in turn drives the price of the stock up even further. How often is Certara'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 CERT, twice per month. The most recent reporting period available is April, 15 2025. More Short Interest Resources from MarketBeat Related Companies NICE Short Interest Data DSGX Short Interest Data PCOR Short Interest Data DAY Short Interest Data WIX Short Interest Data DBX Short Interest Data ESTC Short Interest Data APPF Short Interest Data MTCH Short Interest Data TEM 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:CERT) was last updated on 5/1/2025 by MarketBeat.com Staff From Our PartnersHow to invest in Elon Musk’s Optimus before its launchElon Musk is set to completely take over the AI industry with Optimus… A breakthrough AI-powered robot that El...InvestorPlace | SponsoredIs he more powerful than Trump? Is there anybody more powerful than Donald Trump right now? 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