Personalis (PSNL) Short Interest Ratio & Short Volume $4.69 -0.09 (-1.88%) Closing price 05/27/2025 04:00 PM EasternExtended Trading$4.70 +0.00 (+0.11%) As of 06:49 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Personalis Short Interest DataPersonalis (PSNL) has a short interest of 3.86 million shares. This marks a -12.47% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.1, indicating that it would take 4.1 days of the average trading volume of 1.01 million shares to cover all short positions.Current Short Interest3,860,000 sharesPrevious Short Interest4,410,000 sharesChange Vs. Previous Month-12.47%Dollar Volume Sold Short$14.59 millionShort Interest Ratio4.1 Days to CoverLast Record DateApril 30, 2025Outstanding Shares88,325,000 sharesPercentage of Shares Shorted4.37%Today's Trading Volume528,764 sharesAverage Trading Volume1,009,985 sharesToday's Volume Vs. Average52% Short Selling Personalis? Sign up to receive the latest short interest report for Personalis and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPSNL Short Interest Over TimePSNL Days to Cover Over TimePSNL Percentage of Float Shorted Over Time Personalis Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20253,860,000 shares $14.59 million -12.5%N/A4.1 $3.78 4/15/20254,410,000 shares $14.38 million +1.6%6.5%4.4 $3.26 3/31/20254,340,000 shares $15.23 million No Change6.4%4.1 $3.51 3/15/20254,340,000 shares $15.75 million +14.8%6.4%3.4 $3.63 2/28/20253,780,000 shares $15.65 million -2.6%5.6%3 $4.14 2/15/20253,880,000 shares $21.38 million +9.9%11.0%3.4 $5.51 1/31/20253,530,000 shares $18.43 million +0.6%10.0%3.1 $5.22 1/15/20253,510,000 shares $18.15 million +6.0%9.9%3.3 $5.17 12/31/20243,310,000 shares $19.13 million +11.5%9.4%3.5 $5.78 12/15/20242,970,000 shares $11.35 million -1.7%N/A3.4 $3.82 Get the Latest News and Ratings for PSNL and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Personalis and its competitors with MarketBeat's FREE daily newsletter. 11/30/20243,020,000 shares $11.99 million +6.0%7.2%4.1 $3.97 11/15/20242,850,000 shares $11.09 million -12.0%6.8%3.6 $3.89 10/31/20243,240,000 shares $16.36 million +3.9%7.7%3.1 $5.05 10/15/20243,120,000 shares $15.19 million +6.1%9.9%3 $4.87 9/30/20242,940,000 shares $15.82 million +29.5%9.3%2 $5.38 9/15/20242,270,000 shares $12.92 million No Change7.2%1.5 $5.69 8/31/20242,270,000 shares $12.35 million +14.7%7.3%1.7 $5.44 8/15/20241,980,000 shares $10.04 million +9.4%6.4%1.6 $5.07 7/31/20241,810,000 shares $6.24 million +19.9%N/A2 $3.45 7/15/20241,510,000 shares $2.43 million +6.3%3.5%2 $1.61 6/30/20241,420,000 shares $1.66 million No Change3.3%5.3 $1.17 6/15/20241,420,000 shares $1.93 million +11.8%3.3%6.3 $1.36 5/31/20241,270,000 shares $1.65 million +7.6%3.0%5.1 $1.30 5/15/20241,180,000 shares $1.69 million -6.4%2.7%4 $1.43 4/30/20241,260,000 shares $1.85 million +17.8%3.0%4 $1.47 4/15/20241,070,000 shares $1.35 million -0.9%2.6%3.1 $1.26 3/31/20241,080,000 shares $1.61 million +1.9%2.6%2.8 $1.49 3/15/20241,060,000 shares $1.71 million +16.0%2.6%2.2 $1.61 2/29/2024914,000 shares $1.42 million -2.6%2.3%1.8 $1.55 2/15/2024938,100 shares $1.24 million +13.5%2.4%1.8 $1.32 1/31/2024826,700 shares $1.11 million -8.1%2.1%1.2 $1.34 1/15/2024899,700 shares $1.57 million +10.8%2.3%1.4 $1.74 12/31/2023811,700 shares $1.70 million +1.9%2.1%1.3 $2.10 12/15/2023796,400 shares $1.20 million -3.5%2.0%1.5 $1.51 11/30/2023825,500 shares $1.26 million -8.2%2.1%1.8 $1.53 11/15/2023899,600 shares $998,556.00 +20.9%2.3%2.2 $1.11 10/31/2023743,900 shares $715,780.58 -3.6%1.9%3.4 $0.96 10/15/2023771,400 shares $817,684.00 -22.4%2.0%4.1 $1.06 9/30/2023993,800 shares $1.20 million -2.6%2.5%5.5 $1.21 9/15/20231,020,000 shares $1.43 million -8.1%2.6%5.3 $1.40A grave, grave error. 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Here’s the full story for you. 8/31/20231,110,000 shares $2.02 million -19.6%2.9%5.8 $1.82 8/15/20231,380,000 shares $2.50 million +0.7%3.6%6.5 $1.81 7/31/20231,370,000 shares $3.23 million -3.5%3.7%5.9 $2.36 7/15/20231,420,000 shares $2.87 million +5.2%3.8%5.2 $2.02 6/30/20231,350,000 shares $2.54 million +7.1%3.6%4.7 $1.88 6/15/20231,260,000 shares $2.71 million -9.4%3.4%4.3 $2.15 5/31/20231,390,000 shares $2.50 million -6.7%3.7%4.3 $1.80 5/15/20231,490,000 shares $3.28 million -2.6%4.0%4.2 $2.20 4/30/20231,530,000 shares $3.49 million -3.8%4.1%3.7 $2.28 4/15/20231,590,000 shares $4.87 million -3.6%4.3%3.1 $3.06 3/31/20231,650,000 shares $4.55 million -14.5%4.5%3.2 $2.76 3/15/20231,930,000 shares $5.33 million +5.5%5.2%3.4 $2.76 2/28/20231,830,000 shares $5.51 million +8.9%5.0%3.2 $3.01 2/15/20231,680,000 shares $5.86 million +4.4%4.6%3.1 $3.49 1/31/20231,610,000 shares $3.78 million -5.3%4.4%3 $2.35 1/15/20231,700,000 shares $4.88 million +32.8%4.7%4.5 $2.87 12/30/20221,280,000 shares $2.53 million -0.8%3.5%3.3 $1.98 12/15/20221,290,000 shares $2.97 million -3.7%3.5%3.4 $2.30 11/30/20221,340,000 shares $3.40 million -0.7%3.7%3.6 $2.54 11/15/20221,350,000 shares $3.79 million -2.2%3.7%3.6 $2.81 10/31/20221,380,000 shares $3.68 million +2.2%3.8%3.5 $2.67 10/15/20221,350,000 shares $3.27 million +0.8%3.7%3.1 $2.42 9/30/20221,340,000 shares $3.98 million -2.2%3.7%3.1 $2.97 9/15/20221,370,000 shares $5.33 million +4.6%3.8%2.6 $3.89 8/31/20221,310,000 shares $4.34 million +5.7%3.6%2.3 $3.31 8/15/20221,240,000 shares $6.60 million +0.8%3.4%2 $5.32 7/31/20221,230,000 shares $4.54 million -12.1%3.4%1.9 $3.69 7/15/20221,400,000 shares $5.67 million +23.9%3.9%2.2 $4.05 6/30/20221,130,000 shares $3.90 million -44.9%3.1%1.8 $3.45 6/15/20222,050,000 shares $6.97 million -12.0%5.7%3.3 $3.40 5/31/20222,330,000 shares $9.23 million +8.9%6.5%4.5 $3.96 5/15/20222,140,000 shares $10.74 million +16.9%5.9%4.5 $5.02 4/30/20221,830,000 shares $10.25 million +15.8%5.1%4.2 $5.60 4/15/20221,580,000 shares $10.90 million -10.2%4.4%3.6 $6.90 3/31/20221,760,000 shares $14.41 million -3.3%4.9%3.9 $8.19 3/15/20221,820,000 shares $13.76 million -5.2%5.1%3.8 $7.56 2/28/20221,920,000 shares $20.16 million -2.5%5.3%3.9 $10.50 2/15/20221,970,000 shares $22.32 million -3.9%5.5%4 $11.33 1/31/20222,050,000 shares $23.35 million +4.1%5.7%4.2 $11.39 1/15/20221,970,000 shares $24.13 million +11.9%5.5%4.2 $12.25 12/31/20211,760,000 shares $25.12 million -9.3%N/A4 $14.27 12/15/20211,940,000 shares $26.77 million +9.0%5.4%4.5 $13.80 11/30/20211,780,000 shares $24.12 million +29.0%5.0%4.3 $13.55 11/15/20211,380,000 shares $23.74 million -6.8%3.9%3.7 $17.20 10/29/20211,480,000 shares $29.04 million -3.3%4.1%4.1 $19.62 10/15/20211,530,000 shares $30.51 million -16.4%4.3%4.3 $19.94 9/30/20211,830,000 shares $35.21 million -4.2%5.2%5 $19.24 9/15/20211,910,000 shares $40.87 million -1.6%5.4%4.8 $21.40 8/31/20211,940,000 shares $41.09 million -13.0%5.5%4.7 $21.18 8/13/20212,230,000 shares $40.76 million +2.8%6.3%5.1 $18.28Trump Quietly Planning $15 Trillion Crypto Shocker (Ad)Most investors are still unaware, but I believe a new White House action may have quietly opened the floodgates for a $15 trillion crypto surge. My latest crypto playbook reveals the coin I’m most bullish on—including the name, ticker, and why I’m investing personal capital into it.Watch the urgent crypto briefing while there’s still time 7/30/20212,170,000 shares $45.55 million +8.0%6.2%4.1 $20.99 7/15/20212,010,000 shares $42.21 million -3.4%5.8%3.4 $21.00 6/30/20212,080,000 shares $52.62 million -13.7%6.0%3.3 $25.30 6/15/20212,410,000 shares $55.14 million -6.2%6.9%3.4 $22.88 5/28/20212,570,000 shares $57.80 million -2.3%7.4%3.4 $22.49 5/14/20212,630,000 shares $47.73 million -14.1%N/A3 $18.15 4/30/20213,060,000 shares $74.91 million -0.7%N/A3.3 $24.48 4/15/20213,080,000 shares $71.12 million -4.6%N/A3.1 $23.09 3/31/20213,230,000 shares $73.68 million +5.6%N/A3 $22.81 3/15/20213,060,000 shares $82.68 million +34.2%N/A2.8 $27.02 2/26/20212,280,000 shares $72.23 million +14.0%N/A2.1 $31.68 2/12/20212,000,000 shares $76.66 million +9.9%N/A1.9 $38.33 1/29/20211,820,000 shares $73.40 million -25.7%6.3%1.7 $40.33 1/15/20212,450,000 shares $105.47 million +23.7%9.4%2.5 $43.05 12/31/20201,980,000 shares $75.04 million +42.5%8.4%2.3 $37.90 12/15/20201,390,000 shares $48.15 million +3.7%5.9%1.8 $34.64 11/30/20201,340,000 shares $37.21 million +3.1%5.7%1.8 $27.77 11/15/20201,300,000 shares $37.78 million -22.2%5.5%1.8 $29.06 10/30/20201,670,000 shares $43.79 million +14.4%7.1%2.4 $26.22 10/15/20201,460,000 shares $38.47 million -10.4%6.3%2.3 $26.35 9/30/20201,630,000 shares $35.32 million +88.1%7.2%2.7 $21.67 9/15/2020866,400 shares $19.29 million -8.6%3.9%1.7 $22.27 8/31/2020947,700 shares $21.63 million +1.0%4.2%2.1 $22.82 8/14/2020937,900 shares $18.92 million -4.0%4.9%2.3 $20.17 7/31/2020977,100 shares $17.01 million -5.1%6.1%3.2 $17.41 7/15/20201,030,000 shares $17.43 million +3.9%6.4%3.6 $16.92 6/30/2020991,400 shares $12.86 million +17.9%6.2%3.4 $12.97 6/15/2020841,100 shares $10.44 million -6.1%5.3%2.7 $12.41 5/29/2020895,500 shares $10.60 million -15.5%5.7%2.5 $11.84 PSNL Short Interest - Frequently Asked Questions What is Personalis' current short interest? Short interest is the volume of Personalis shares that have been sold short but have not yet been covered or closed out. As of April 30th, investors have sold 3,860,000 shares of PSNL short. Learn More on Personalis' current short interest. What is a good short interest ratio for Personalis? 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. PSNL shares currently have a short interest ratio of 4.0. Learn More on Personalis's short interest ratio. Is Personalis' short interest increasing or decreasing? Personalis saw a decrease in short interest during the month of April. As of April 30th, there was short interest totaling 3,860,000 shares, a decrease of 12.5% from the previous total of 4,410,000 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. How does Personalis' short interest compare to its competitors? Here is how the short interest of companies in the industry of "healthcare" compare to Personalis: PACS Group, Inc. (6.95%), Grail, Inc. (19.18%), Teladoc Health, Inc. (11.91%), AdaptHealth Corp. (11.55%), Aveanna Healthcare Holdings Inc. (3.19%), Viridian Therapeutics, Inc. (12.40%), The Pennant Group, Inc. (1.68%), CareDx, Inc (11.82%), agilon health, inc. (7.25%), Fulgent Genetics, Inc. (8.82%), 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 Personalis stock? Short selling PSNL is an investing strategy that aims to generate trading profit from Personalis as its price is falling. PSNL shares are trading down $0.09 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 Personalis? A short squeeze for Personalis 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 PSNL, which in turn drives the price of the stock up even further. How often is Personalis' 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 PSNL, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies PACS Group Short Squeeze Grail Short Squeeze Teladoc Health Short Squeeze AdaptHealth Short Squeeze Aveanna Healthcare Short Squeeze Viridian Therapeutics Short Squeeze The Pennant Group Short Squeeze CareDx Short Squeeze agilon health Short Squeeze Fulgent Genetics Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:PSNL) was last updated on 5/28/2025 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 | SponsoredJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. 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