PDF Solutions (PDFS) Short Interest Ratio & Short Volume $23.01 -1.55 (-6.31%) Closing price 02/21/2025 04:00 PM EasternExtended Trading$23.54 +0.53 (+2.30%) As of 02/21/2025 07:01 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends PDF Solutions Short Interest DataPDF Solutions (PDFS) has a short interest of 581,300 shares, representing 1.88% of the float (the number of shares available for trading by the public). This marks a -7.70% decrease 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 235,364 shares to cover all short positions.Current Short Interest581,300 sharesPrevious Short Interest629,800 sharesChange Vs. Previous Month-7.70%Dollar Volume Sold Short$16.20 millionShort Interest Ratio3.2 Days to CoverLast Record DateJanuary 31, 2025Outstanding Shares38,770,000 sharesFloat Size30,990,000 sharesShort Percent of Float1.88%Today's Trading Volume287,575 sharesAverage Trading Volume235,364 sharesToday's Volume Vs. Average122% Short Selling PDF Solutions? Sign up to receive the latest short interest report for PDF Solutions and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPDFS Short Interest Over TimePDFS Days to Cover Over TimePDFS Percentage of Float Shorted Over Time PDF Solutions Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 1/31/2025581,300 shares $16.20 million -7.7%1.9%3.2 $27.86 1/15/2025629,800 shares $17.13 million +1.9%2.0%3.7 $27.20 12/31/2024618,300 shares $16.74 million -11.9%2.0%4.1 $27.08 12/15/2024701,600 shares $21.17 million -7.4%2.3%4.7 $30.18 11/30/2024757,500 shares $23.94 million +0.7%2.4%5.1 $31.60 11/15/2024752,600 shares $22.56 million -7.0%2.4%5 $29.98 10/31/2024809,400 shares $22.92 million +11.5%2.6%5.6 $28.32 10/15/2024726,200 shares $21.50 million -4.3%2.3%4.7 $29.60 9/30/2024759,000 shares $24.05 million +5.9%2.5%4.7 $31.68 9/15/2024717,000 shares $21.04 million +3.2%2.3%4.4 $29.35 Get the Latest News and Ratings for PDFS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for PDF Solutions and its competitors with MarketBeat's FREE daily newsletter. 8/31/2024695,100 shares $21.93 million +10.1%2.2%4.2 $31.55 8/15/2024631,100 shares $20.85 million +5.3%2.0%4 $33.03 7/31/2024599,200 shares $21.03 million +11.7%2.0%3.6 $35.09 7/15/2024536,400 shares $20.63 million +1.7%1.8%3.6 $38.46 6/30/2024527,500 shares $19.19 million +7.2%1.7%3.7 $36.38 6/15/2024492,000 shares $16.55 million -10.8%1.6%3.4 $33.63 5/31/2024551,700 shares $19.32 million -9.6%1.8%3.7 $35.02 5/15/2024610,200 shares $20.98 million -14.8%2.0%3.9 $34.39 4/30/2024716,200 shares $21.54 million +13.1%2.3%4 $30.08 4/15/2024633,200 shares $20.03 million -7.6%2.1%3.6 $31.63 3/31/2024685,200 shares $23.07 million +0.4%2.2%3.7 $33.67 3/15/2024682,700 shares $22.23 million -4.1%2.2%3.5 $32.56 2/29/2024712,100 shares $24.20 million +15.0%2.3%3.6 $33.99 2/15/2024619,500 shares $21.66 million -11.5%2.0%3.1 $34.96 1/31/2024699,900 shares $21.84 million +39.7%2.3%3.2 $31.20 1/15/2024501,000 shares $15.13 million -22.7%1.6%2.1 $30.20 12/31/2023648,500 shares $20.84 million -9.9%2.1%2.7 $32.14 12/15/2023720,100 shares $21.98 million +8.7%2.4%2.9 $30.52 11/30/2023662,500 shares $19.87 million +19.8%2.2%2.7 $29.99 11/15/2023553,200 shares $17.03 million +34.1%1.8%2.4 $30.79 10/31/2023412,600 shares $10.95 million +31.1%1.4%1.9 $26.53 10/15/2023314,800 shares $9.51 million -9.8%1.0%1.7 $30.21 9/30/2023349,000 shares $11.31 million +24.7%1.2%2.1 $32.40 9/15/2023279,900 shares $8.86 million -6.1%0.9%1.7 $31.67 8/31/2023298,200 shares $10.84 million +45.4%1.0%1.9 $36.34 8/15/2023205,100 shares $7.19 million +3.1%0.7%1.2 $35.07 7/31/2023198,900 shares $9.15 million -9.6%0.7%1.1 $45.99 7/15/2023220,000 shares $10.01 million -43.7%0.7%1.3 $45.49 6/30/2023390,800 shares $17.63 million -23.7%1.3%2.2 $45.10 6/15/2023512,200 shares $22.75 million +7.3%1.7%2.8 $44.42Nvidia’s CEO: “This Will Be a Multitrillion-Dollar Industry." (Ad)If you missed out on the big boom in Nvidia… Listen up, because according to Nvidia's own CEO… Elon Musk’s new technology could help launch an entirely new multitrillion-dollar industry.You MUST act before March 17th. 5/31/2023477,200 shares $20.16 million -9.2%1.6%2.4 $42.25 5/15/2023525,500 shares $18.60 million -9.2%1.8%2.7 $35.40 4/30/2023578,800 shares $20.87 million +3.0%1.9%3.1 $36.05 4/15/2023562,000 shares $23.20 million +16.9%1.9%3.1 $41.28 3/31/2023480,600 shares $20.38 million -0.1%1.6%2.6 $42.40 3/15/2023481,200 shares $18.26 million +19.1%1.6%3 $37.94 2/28/2023404,200 shares $15.13 million -0.8%1.4%2.9 $37.44 2/15/2023407,400 shares $13.71 million -3.9%1.4%3.2 $33.65 1/31/2023423,900 shares $13.47 million +4.9%1.4%3.5 $31.78 1/15/2023404,100 shares $12.36 million +3.1%1.4%3.5 $30.59 12/30/2022392,000 shares $11.18 million +4.1%1.3%3.3 $28.52 12/15/2022376,400 shares $11.05 million +4.3%1.3%2.9 $29.35 11/30/2022361,000 shares $11.32 million -4.9%1.2%2.9 $31.37 11/15/2022379,600 shares $11.37 million -22.9%1.3%3.1 $29.95 10/31/2022492,500 shares $11.61 million -9.9%1.7%4.3 $23.58 10/15/2022546,500 shares $11.72 million +12.6%1.9%4.6 $21.44 9/30/2022485,500 shares $11.91 million -5.0%1.7%3.7 $24.53 9/15/2022511,100 shares $12.76 million -12.3%1.8%3.5 $24.96 8/31/2022583,000 shares $15.38 million -4.1%2.0%4 $26.38 8/15/2022607,900 shares $17.70 million -2.7%2.1%4.3 $29.11 7/31/2022624,900 shares $16.86 million +0.9%2.2%4.3 $26.98 7/15/2022619,300 shares $14.02 million -4.7%2.1%4.3 $22.64 6/30/2022650,000 shares $13.98 million +11.5%2.2%4.4 $21.51 6/15/2022583,000 shares $12.03 million +9.7%2.0%4.2 $20.63 5/31/2022531,700 shares $12.71 million -2.7%1.8%4.3 $23.90 5/15/2022546,700 shares $13.10 million +0.6%1.9%4.1 $23.96 4/30/2022543,500 shares $12.64 million -3.6%1.8%3.8 $23.25 4/15/2022563,700 shares $13.19 million -2.5%1.7%3.7 $23.40 3/31/2022578,200 shares $16.11 million -3.9%1.8%4 $27.87 3/15/2022601,600 shares $15.42 million +12.2%1.8%4.5 $25.63 2/28/2022536,300 shares $14.67 million +2.2%1.6%3.9 $27.36 2/15/2022524,800 shares $15.99 million +10.8%1.6%3.9 $30.47 1/31/2022473,800 shares $14.09 million +20.0%1.5%3.3 $29.73 1/15/2022395,000 shares $11.10 million +4.8%1.2%3 $28.11 12/31/2021376,900 shares $11.98 million +8.5%1.3%3.2 $31.79 12/15/2021347,500 shares $10.57 million -1.6%1.2%2.9 $30.41 11/30/2021353,000 shares $10.57 million -25.8%1.2%3 $29.93 11/15/2021476,000 shares $15.62 million -27.2%1.6%4.1 $32.82 10/29/2021653,800 shares $15.38 million -8.4%2.2%7.1 $23.53 10/15/2021713,500 shares $16.37 million -1.4%2.4%8.6 $22.95 9/30/2021723,900 shares $16.68 million +2.0%2.5%8.2 $23.04 9/15/2021709,500 shares $16.15 million -7.4%2.4%6.6 $22.76 8/31/2021766,000 shares $17.25 million -15.4%2.6%6.9 $22.52 8/13/2021905,900 shares $18.99 million -5.3%3.1%6.4 $20.96 7/30/2021956,200 shares $17.89 million -2.4%3.3%6.8 $18.71 7/15/2021979,500 shares $17.45 million -1.5%3.4%6.3 $17.82 6/30/2021994,700 shares $18.08 million -0.2%3.4%6.2 $18.18 6/15/2021997,100 shares $17.83 million +0.5%3.4%6.3 $17.88 5/28/2021992,300 shares $17.31 million +11.6%3.4%6.1 $17.44 5/14/2021888,900 shares $15.20 million +23.5%3.0%5.8 $17.10Nvidia’s CEO: “This Will Be a Multitrillion-Dollar Industry." (Ad)If you missed out on the big boom in Nvidia… Listen up, because according to Nvidia's own CEO… Elon Musk’s new technology could help launch an entirely new multitrillion-dollar industry.You MUST act before March 17th. 4/30/2021719,600 shares $13.69 million +0.7%2.5%4.3 $19.03 4/15/2021714,400 shares $12.78 million +11.0%2.4%4.3 $17.89 3/31/2021643,500 shares $11.16 million +0.3%2.2%4 $17.34 3/15/2021641,300 shares $11.69 million +2.1%2.2%4.1 $18.23 2/26/2021628,100 shares $11.30 million +24.9%2.2%4.4 $17.99 2/12/2021502,900 shares $10.97 million +12.7%1.7%3.9 $21.82 1/29/2021446,400 shares $9.04 million -16.3%1.5%4 $20.24 1/15/2021533,600 shares $12.39 million +7.2%1.9%5 $23.22 12/31/2020497,700 shares $10.79 million +28.6%1.7%5.2 $21.67 12/15/2020386,900 shares $8.58 million -7.9%1.3%3.8 $22.17 11/30/2020420,100 shares $9.35 million -1.1%1.5%3.9 $22.25 11/15/2020424,800 shares $8.83 million -8.9%1.5%3.5 $20.79 10/30/2020466,200 shares $9.00 million +12.2%1.6%3.4 $19.31 10/15/2020415,700 shares $8.44 million -22.7%1.4%2.5 $20.31 9/30/2020537,700 shares $10.06 million -6.7%1.9%3.2 $18.71 9/15/2020576,000 shares $11.22 million -13.4%2.0%3.2 $19.48 8/31/2020665,300 shares $13.77 million -20.6%2.3%3.6 $20.70 8/14/2020838,300 shares $18.12 million -9.4%3.0%4.6 $21.61 7/31/2020925,000 shares $20.46 million -0.6%3.3%4.9 $22.12 7/15/2020931,000 shares $18.28 million +16.7%3.3%5.4 $19.63 6/30/2020797,800 shares $15.29 million +12.5%2.8%4.5 $19.16 6/15/2020708,900 shares $11.84 million -1.1%2.5%4.1 $16.70 5/29/2020717,000 shares $12.10 million +13.4%2.5%4 $16.88 5/15/2020632,500 shares $9.89 million -18.9%2.2%3.4 $15.64 4/30/2020780,100 shares $12.46 million +3.7%2.8%4.8 $15.97 4/15/2020752,500 shares $10.54 million +1.8%2.7%5.1 $14.01 3/31/2020738,900 shares $11.93 million -19.9%2.6%5.2 $16.15 3/13/2020921,900 shares $12.74 million +2.2%3.3%6.1 $13.82 2/28/2020902,300 shares $8.31 million -9.6%3.2%7.1 $9.21 PDFS Short Interest - Frequently Asked Questions What is PDF Solutions' current short interest? Short interest is the volume of PDF Solutions shares that have been sold short but have not yet been closed out or covered. As of January 31st, investors have sold 581,300 shares of PDFS short. 1.88% of PDF Solutions' shares are currently sold short. Learn More on PDF Solutions' current short interest. What is a good short interest ratio for PDF Solutions? 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. PDFS shares currently have a short interest ratio of 3.0. Learn More on PDF Solutions's short interest ratio. Which institutional investors are shorting PDF Solutions? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of PDF Solutions: 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 PDF Solutions? 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. 1.88% of PDF Solutions' floating shares are currently sold short. Is PDF Solutions' short interest increasing or decreasing? PDF Solutions saw a decrease in short interest in the month of January. As of January 31st, there was short interest totaling 581,300 shares, a decrease of 7.7% from the previous total of 629,800 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 PDF Solutions' float size? PDF Solutions currently has issued a total of 38,770,000 shares. Some of PDF Solutions' 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. PDF Solutions currently has a public float of 30,990,000 shares. How does PDF Solutions' short interest compare to its competitors? 1.88% of PDF Solutions' shares are currently sold short. Here is how the short interest of companies compare to PDF Solutions: Advanced Energy Industries, Inc. (6.39%), FormFactor, Inc. (4.55%), Axcelis Technologies, Inc. (14.67%), Ultra Clean Holdings, Inc. (2.54%), Photronics, Inc. (3.36%), Veeco Instruments Inc. (11.49%), Cohu, Inc. (3.48%), AXT, Inc. (1.39%), Applied Materials, Inc. (2.48%), Lam Research Co. (2.63%), 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 Co. ($5.21 billion), Charter Communications, Inc. ($4.07 billion), Reddit, Inc. ($3.33 billion), The Kroger Co. ($2.67 billion), Cencora, Inc. ($2.29 billion), Hims & Hers Health, Inc. ($2.17 billion), SoFi Technologies, Inc. ($1.99 billion), Live Nation Entertainment, Inc. ($1.87 billion), Rivian Automotive, Inc. ($1.76 billion), and Moderna, Inc. ($1.60 billion). View all of the most shorted stocks. What does it mean to sell short PDF Solutions stock? Short selling PDFS is an investing strategy that aims to generate trading profit from PDF Solutions as its price is falling. PDFS shares are trading down $1.55 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 PDF Solutions? A short squeeze for PDF Solutions 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 PDFS, which in turn drives the price of the stock up even further. How often is PDF Solutions' 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 PDFS, twice per month. The most recent reporting period available is January, 31 2025. More Short Interest Resources from MarketBeat Related Companies Advanced Energy Industries Short Interest FormFactor Short Interest Axcelis Technologies Short Interest Ultra Clean Short Interest Photronics Short Interest Veeco Instruments Short Interest Cohu Short Interest AXT Short Interest Applied Materials Short Interest Lam Research 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:PDFS) was last updated on 2/22/2025 by MarketBeat.com Staff From Our PartnersSecret financial plot unfolding in Washington DC… [DEVELOPING]What stocks are next up to soar in 2025? I believe I’ve found the answer - and it might surprise you. 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