ProKidney (PROK) Short Interest Ratio & Short Volume $0.93 -0.07 (-6.51%) Closing price 06/11/2025 04:00 PM EasternExtended Trading$0.98 +0.05 (+4.82%) As of 08:17 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 InterestTrendsBuy This Stock ProKidney Short Interest DataProKidney (PROK) has a short interest of 16.52 million shares, representing 18.12% of the float (the number of shares available for trading by the public). This marks a 3.64% increase in short interest from the previous month. The short interest ratio (days to cover) is 21.0, indicating that it would take 21.0 days of the average trading volume of 652,739 shares to cover all short positions.Current Short Interest16,520,000 sharesPrevious Short Interest15,940,000 sharesChange Vs. Previous Month+3.64%Dollar Volume Sold Short$11.70 millionShort Interest Ratio21.0 Days to CoverLast Record DateMay 31, 2025Outstanding Shares292,698,000 sharesFloat Size91,190,000 sharesShort Percent of Float18.12%Today's Trading Volume383,885 sharesAverage Trading Volume652,739 sharesToday's Volume Vs. Average59% Short Selling ProKidney? Sign up to receive the latest short interest report for ProKidney and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPROK Short Interest Over TimePROK Days to Cover Over TimePROK Percentage of Float Shorted Over Time ProKidney Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/202516,520,000 shares $11.70 million +3.6%18.1%21 $0.71 5/15/202515,940,000 shares $13.54 million +1.9%17.5%19.3 $0.85 4/30/202515,640,000 shares $13.85 million +17.8%17.2%19.9 $0.89 4/15/202513,280,000 shares $9.43 million +11.3%14.5%18.4 $0.71 3/31/202511,930,000 shares $10.45 million +0.9%12.8%21.8 $0.88 3/15/202511,820,000 shares $11.63 million -0.9%12.7%24.4 $0.98 2/28/202511,930,000 shares $14.67 million +1.5%13.0%25 $1.23 2/15/202511,750,000 shares $18.92 million -1.1%12.8%27 $1.61 1/31/202511,880,000 shares $19.60 million +2.2%13.0%25.4 $1.65 1/15/202511,620,000 shares $18.36 million +9.1%12.6%25 $1.58 Get the Latest News and Ratings for PROK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ProKidney and its competitors with MarketBeat's FREE daily newsletter. 12/31/202410,650,000 shares $18.00 million +3.8%11.6%23 $1.69 12/15/202410,260,000 shares $18.42 million -3.4%11.1%21.3 $1.80 11/30/202410,620,000 shares $21.24 million -0.8%11.5%15.4 $2.00 11/15/202410,700,000 shares $18.14 million +3.5%13.9%15.5 $1.70 10/31/202410,340,000 shares $16.54 million -3.7%13.6%15.3 $1.60 10/15/202410,740,000 shares $18.58 million +7.2%14.0%15.8 $1.73 9/30/202410,020,000 shares $19.24 million -2.6%13.1%14.5 $1.92 9/15/202410,290,000 shares $24.59 million +1.9%13.4%14.3 $2.39 8/31/202410,100,000 shares $24.24 million -3.5%13.8%14.5 $2.40 8/15/202410,470,000 shares $25.02 million +1.2%14.3%14.5 $2.39 7/31/202410,350,000 shares $24.22 million -4.5%15.5%12.9 $2.34 7/15/202410,840,000 shares $25.91 million +5.3%15.9%12.4 $2.39 6/30/202410,290,000 shares $25.31 million +1.1%15.1%9.9 $2.46 6/15/202410,180,000 shares $27.79 million -1.4%13.3%10.5 $2.73 5/31/202410,320,000 shares $35.91 million +4.4%23.0%12.3 $3.48 5/15/20249,890,000 shares $38.77 million -3.9%22.0%12.7 $3.92 4/30/202410,290,000 shares $21.25 million -11.0%22.9%14.2 $2.07 4/15/202411,560,000 shares $24.16 million -17.3%26.7%16.5 $2.09 3/31/202413,980,000 shares $22.93 million -4.3%31.3%27.8 $1.64 3/15/202414,610,000 shares $20.60 million +2.2%30.0%24.6 $1.41 2/29/202414,300,000 shares $23.31 million +2.5%29.4%23.7 $1.63 2/15/202413,950,000 shares $17.86 million +6.7%28.6%22.1 $1.28 1/31/202413,080,000 shares $17.13 million -2.2%31.5%15.3 $1.31 1/15/202413,370,000 shares $21.53 million -1.3%32.1%14.3 $1.61 12/31/202313,550,000 shares $24.12 million +1.6%32.5%12.9 $1.78 12/15/202313,340,000 shares $23.75 million -5.3%32.0%13.5 $1.78 11/30/202314,080,000 shares $23.65 million +34.1%35.7%13.9 $1.68 11/15/202310,500,000 shares $14.60 million +6.4%26.7%10.7 $1.39 10/31/20239,870,000 shares $16.09 million +12.5%28.9%15.4 $1.63 10/15/20238,770,000 shares $24.29 million +8.3%26.5%16.2 $2.77Get Ready for Elon Musk’s BIGGEST Comeback Yet (Ad)Tesla's About to Prove Everyone Wrong... 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Click here to see why Tesla's about to prove everyone wrong... again. 9/30/20238,100,000 shares $37.10 million +22.0%25.5%20.5 $4.58 9/15/20236,640,000 shares $42.56 million +6.4%38.5%21.2 $6.41 8/31/20236,240,000 shares $53.54 million -2.4%37.0%16.4 $8.58 8/15/20236,390,000 shares $70.42 million +0.6%37.6%18.8 $11.02 7/31/20236,350,000 shares $81.41 million +3.8%37.3%19.4 $12.82 7/15/20236,120,000 shares $68.05 million -2.6%36.0%18.9 $11.12 6/30/20236,280,000 shares $70.27 million +44.4%36.9%19.4 $11.19 6/15/20234,350,000 shares $48.94 million +13.0%25.6%12.9 $11.25 5/31/20233,850,000 shares $46.74 million +3.5%22.7%16.6 $12.14 5/15/20233,720,000 shares $34.30 million No Change11.6%16.2 $9.22 PROK Short Interest - Frequently Asked Questions What is ProKidney's current short interest? Short interest is the volume of ProKidney shares that have been sold short but have not yet been covered or closed out. As of May 31st, investors have sold 16,520,000 shares of PROK short. 18.12% of ProKidney's shares are currently sold short. Learn More on ProKidney's current short interest. What is a good short interest ratio for ProKidney? 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. PROK shares currently have a short interest ratio of 21.0. Learn More on ProKidney's short interest ratio. What is a good short interest percentage for ProKidney? 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. 18.12% of ProKidney's floating shares are currently sold short. Is ProKidney's short interest increasing or decreasing? ProKidney saw a increase in short interest in the month of May. As of May 31st, there was short interest totaling 16,520,000 shares, an increase of 3.6% from the previous total of 15,940,000 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 ProKidney's float size? ProKidney currently has issued a total of 292,698,000 shares. Some of ProKidney'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. ProKidney currently has a public float of 91,190,000 shares. How does ProKidney's short interest compare to its competitors? 18.12% of ProKidney's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to ProKidney: Pharvaris (4.14%), CorMedix Inc. (14.83%), Akebia Therapeutics, Inc. (9.58%), Oculis Holding AG (0.07%), LENZ Therapeutics, Inc. (14.12%), Praxis Precision Medicines, Inc. (9.88%), Zymeworks Inc. (10.61%), Chimerix, Inc. (4.27%), Avid Bioservices, Inc. (18.17%), Nuvation Bio Inc. (18.67%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks. What does it mean to sell short ProKidney stock? Short selling PROK is an investing strategy that aims to generate trading profit from ProKidney as its price is falling. PROK shares are trading down $0.07 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 ProKidney? A short squeeze for ProKidney 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 PROK, which in turn drives the price of the stock up even further. How often is ProKidney'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 PROK, twice per month. The most recent reporting period available is May, 31 2025. 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