OPKO Health (OPK) Short Interest Ratio & Short Volume $1.66 +0.02 (+1.22%) Closing price 04:00 PM EasternExtended Trading$1.66 +0.01 (+0.30%) As of 07:58 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 InterestSustainabilityTrends OPKO Health Short Interest DataOPKO Health (OPK) has a short interest of 88.64 million shares, representing 28.74% of the float (the number of shares available for trading by the public). This marks a 0.82% increase in short interest from the previous month. The short interest ratio (days to cover) is 22.7, indicating that it would take 22.7 days of the average trading volume of 2.77 million shares to cover all short positions.Current Short Interest88,640,000 sharesPrevious Short Interest87,920,000 sharesChange Vs. Previous Month+0.82%Dollar Volume Sold Short$134.73 millionShort Interest Ratio22.7 Days to CoverLast Record DateJanuary 31, 2025Outstanding Shares682,483,000 sharesFloat Size308,380,000 sharesShort Percent of Float28.74%Today's Trading Volume2,859,318 sharesAverage Trading Volume2,770,300 sharesToday's Volume Vs. Average103% Short Selling OPKO Health? Sign up to receive the latest short interest report for OPKO Health and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartOPK Short Interest Over TimeOPK Days to Cover Over TimeOPK Percentage of Float Shorted Over Time OPKO Health Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 1/31/202588,640,000 shares $134.73 million +0.8%28.7%22.7 $1.52 1/15/202587,920,000 shares $129.24 million -3.7%28.5%22.7 $1.47 12/31/202491,330,000 shares $134.26 million +7.7%29.5%23.6 $1.47 12/15/202484,800,000 shares $134.83 million -14.0%27.4%21.5 $1.59 11/30/202498,570,000 shares $151.80 million +3.1%31.0%25.2 $1.54 11/15/202495,640,000 shares $156.85 million -0.2%30.1%25.9 $1.64 10/31/202495,860,000 shares $144.75 million +3.1%30.1%29.6 $1.51 10/15/202492,940,000 shares $136.62 million -5.5%28.5%30.4 $1.47 9/30/202498,370,000 shares $146.57 million +0.1%30.2%29.2 $1.49 9/15/202498,230,000 shares $154.22 million +0.8%30.1%29.7 $1.57 Get the Latest News and Ratings for OPK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for OPKO Health and its competitors with MarketBeat's FREE daily newsletter. 8/31/202497,500,000 shares $163.80 million +7.5%29.9%30.5 $1.68 8/15/202490,680,000 shares $143.27 million +3.9%27.9%26.8 $1.58 7/31/202487,310,000 shares $123.98 million +4.5%26.8%25.8 $1.42 7/15/202483,590,000 shares $119.53 million -0.9%25.5%23 $1.43 6/30/202484,310,000 shares $105.39 million -3.6%25.7%21.8 $1.25 6/15/202487,480,000 shares $109.35 million +0.9%26.7%15.2 $1.25 5/31/202486,700,000 shares $118.78 million +1.7%26.5%12.5 $1.37 5/15/202485,230,000 shares $115.06 million -1.6%26.0%11.1 $1.35 4/30/202486,570,000 shares $105.62 million +10.9%26.4%10.2 $1.22 4/15/202478,030,000 shares $95.98 million -16.6%23.8%8.6 $1.23 3/31/202493,610,000 shares $112.33 million -8.4%28.6%6.7 $1.20 3/15/2024102,160,000 shares $91.41 million +3.1%31.2%7.3 $0.89 2/29/202499,060,000 shares $99.06 million +1.1%27.1%8.3 $1.00 2/15/202497,940,000 shares $99.90 million +0.9%26.7%9 $1.02 1/31/202497,070,000 shares $99.01 million -1.6%23.7%9.6 $1.02 1/15/202498,610,000 shares $96.44 million +265.5%24.1%11.3 $0.98 12/31/202326,980,000 shares $40.74 million -4.3%6.5%3.7 $1.51 12/15/202328,180,000 shares $43.54 million -2.2%6.8%14 $1.55 11/30/202328,800,000 shares $42.05 million -1.1%6.9%14.5 $1.46 11/15/202329,130,000 shares $41.36 million -2.6%7.0%14 $1.42 10/31/202329,920,000 shares $37.40 million -6.2%7.2%13.7 $1.25 10/15/202331,910,000 shares $43.08 million -1.7%7.7%13.4 $1.35 9/30/202332,470,000 shares $51.95 million -3.9%7.8%12.9 $1.60 9/15/202333,800,000 shares $55.43 million -1.8%8.1%9.3 $1.64 8/31/202334,410,000 shares $62.97 million +2.4%8.3%9.1 $1.83 8/15/202333,620,000 shares $61.19 million -0.7%8.1%8.8 $1.82 7/31/202333,870,000 shares $63.00 million -7.2%8.1%8.9 $1.86 7/15/202336,510,000 shares $76.31 million -6.2%8.8%9.9 $2.09 6/30/202338,930,000 shares $84.48 million -2.4%9.4%10.9 $2.17 6/15/202339,880,000 shares $60.62 million -3.5%9.6%15.6 $1.52The U.S. is About to Run Out of Money… Again. (Ad)Treasury Warns America is Nearing Bankruptcy Discover the harmful impact on your retirement savings… [RUSH MY FREE GUIDE NOW] 5/31/202341,340,000 shares $57.46 million +1.2%9.9%15.1 $1.39 5/15/202340,870,000 shares $70.30 million +1.9%9.8%12.9 $1.72 4/30/202340,120,000 shares $58.98 million +2.8%9.6%13 $1.47 4/15/202339,030,000 shares $60.50 million -3.3%9.4%12.3 $1.55 3/31/202340,360,000 shares $58.93 million +2.9%9.7%12.6 $1.46 3/15/202339,210,000 shares $53.33 million +4.2%9.4%12.2 $1.36 2/28/202337,620,000 shares $42.89 million +7.7%9.0%13.1 $1.14 2/15/202334,930,000 shares $42.27 million -3.6%8.4%13.3 $1.21 1/31/202336,250,000 shares $46.76 million -3.2%8.7%14 $1.29 1/15/202337,440,000 shares $58.78 million -2.5%9.1%15.1 $1.57 12/30/202238,400,000 shares $48 million +4.4%9.3%16.6 $1.25 12/15/202236,770,000 shares $45.96 million -3.5%8.9%16.2 $1.25 11/30/202238,110,000 shares $57.17 million +2.2%9.2%16.9 $1.50 11/15/202237,300,000 shares $65.65 million -0.4%9.0%16.5 $1.76 10/31/202237,450,000 shares $71.16 million +0.0%9.1%15.6 $1.90 10/15/202237,440,000 shares $64.77 million +0.2%9.1%13.8 $1.73 9/30/202237,360,000 shares $70.61 million -2.1%9.0%13.6 $1.89 9/15/202238,150,000 shares $78.59 million -2.3%9.2%13.4 $2.06 8/31/202239,030,000 shares $85.09 million -11.5%10.6%10.1 $2.18 8/15/202244,090,000 shares $115.07 million -11.2%12.0%10.7 $2.61 7/31/202249,640,000 shares $117.15 million +2.0%15.3%11 $2.36 7/15/202248,680,000 shares $134.36 million +1.8%15.0%10.8 $2.76 6/30/202247,810,000 shares $120.96 million -11.8%13.1%10.2 $2.53 6/15/202254,230,000 shares $136.66 million +10.4%13.4%11.3 $2.52 5/31/202249,110,000 shares $147.33 million +2.7%12.1%11.5 $3.00 5/15/202247,840,000 shares $144.96 million +1.9%11.7%11 $3.03 4/30/202246,940,000 shares $126.74 million +4.5%11.4%11.4 $2.70 4/15/202244,930,000 shares $150.07 million -1.5%10.9%9.9 $3.34 3/31/202245,610,000 shares $156.90 million +5.7%11.1%9.3 $3.44 3/15/202243,150,000 shares $143.26 million -6.8%10.5%8.1 $3.32 2/28/202246,320,000 shares $144.98 million +7.4%11.2%8.5 $3.13 2/15/202243,150,000 shares $141.96 million +0.1%10.4%7.8 $3.29 1/31/202243,130,000 shares $135.00 million -1.5%10.4%8 $3.13 1/15/202243,780,000 shares $198.32 million -12.7%10.6%8.5 $4.53 12/31/202150,120,000 shares $241.08 million +1.9%12.1%11.7 $4.81 12/15/202149,210,000 shares $200.78 million 0.0%11.9%12.2 $4.08 11/30/202149,220,000 shares $193.43 million +3.3%11.9%14.7 $3.93 11/15/202147,630,000 shares $192.43 million -1.2%11.5%15.6 $4.04 10/29/202148,200,000 shares $182.68 million -0.2%11.7%16.1 $3.79 10/15/202148,290,000 shares $179.64 million -1.2%11.7%15.7 $3.72 9/30/202148,890,000 shares $178.45 million -2.5%11.8%14.4 $3.65 9/15/202150,160,000 shares $187.60 million -2.5%12.1%12.9 $3.74 8/31/202151,420,000 shares $198.48 million -5.8%12.6%12.8 $3.86 8/13/202154,600,000 shares $200.93 million +1.0%13.3%13 $3.68 7/30/202154,070,000 shares $186.00 million +0.5%13.2%12 $3.44 7/15/202153,800,000 shares $190.45 million -0.6%13.4%11.9 $3.54 6/30/202154,130,000 shares $219.23 million -5.2%13.4%11.8 $4.05 6/15/202157,100,000 shares $210.70 million -1.5%14.2%12.8 $3.69 5/28/202157,960,000 shares $221.41 million -27.2%14.4%12.2 $3.82 5/14/202179,650,000 shares $271.61 million +8.1%19.7%15.3 $3.41The U.S. is About to Run Out of Money… Again. (Ad)Treasury Warns America is Nearing Bankruptcy Discover the harmful impact on your retirement savings… [RUSH MY FREE GUIDE NOW] 4/30/202173,700,000 shares $302.91 million -6.4%18.3%12.4 $4.11 4/15/202178,730,000 shares $331.06 million -3.5%19.5%10.9 $4.21 3/31/202181,560,000 shares $344.18 million -11.6%20.2%10.9 $4.22 3/15/202192,260,000 shares $409.63 million -4.5%22.8%11.2 $4.44 2/26/202196,600,000 shares $426.97 million -0.9%23.9%11.7 $4.42 2/12/202197,430,000 shares $537.81 million -5.0%24.1%11.5 $5.52 1/29/2021102,550,000 shares $551.72 million -2.1%25.3%12 $5.38 1/15/2021104,770,000 shares $473.56 million -9.1%25.9%12.1 $4.52 12/31/2020115,230,000 shares $465.53 million -6.8%28.5%13.5 $4.04 12/15/2020123,660,000 shares $563.89 million -2.7%30.5%13.7 $4.56 11/30/2020127,120,000 shares $525.01 million -2.4%31.4%13.3 $4.13 11/15/2020130,220,000 shares $519.58 million -4.1%32.2%11.8 $3.99 10/30/2020135,810,000 shares $570.40 million +3.7%33.5%11.5 $4.20 10/15/2020130,940,000 shares $532.93 million +2.4%32.3%9.9 $4.07 9/30/2020127,930,000 shares $472.06 million -2.8%31.8%0 $3.69 9/15/2020131,670,000 shares $414.76 million +1.2%32.7%7.5 $3.15 8/31/2020130,130,000 shares $421.62 million -3.9%32.3%7.3 $3.24 8/14/2020135,360,000 shares $649.73 million -3.6%33.6%7.9 $4.80 7/31/2020140,410,000 shares $723.11 million +2.4%34.9%7.9 $5.15 7/15/2020137,170,000 shares $558.97 million +5.9%34.0%8.3 $4.08 6/30/2020129,490,000 shares $441.56 million +10.7%32.1%9.2 $3.41 6/15/2020117,000,000 shares $304.20 million +6.8%29.0%8.9 $2.60 5/29/2020109,540,000 shares $249.75 million +2.9%27.2%6.3 $2.28 5/15/2020106,470,000 shares $278.95 million +5.4%26.4%5.7 $2.62 4/30/2020100,990,000 shares $224.20 million -0.6%25.0%6.1 $2.22 4/15/2020101,610,000 shares $165.62 million +3.3%25.1%6.7 $1.63 3/31/202098,380,000 shares $202.66 million +3.2%24.5%7.2 $2.06 3/13/202095,302,400 shares $136.28 million +13.4%23.8%3.1 $1.43 2/28/202084,040,000 shares $117.66 million +0.6%20.9%10.8 $1.40 OPK Short Interest - Frequently Asked Questions What is OPKO Health's current short interest? Short interest is the volume of OPKO Health shares that have been sold short but have not yet been closed out or covered. As of January 31st, investors have sold 88,640,000 shares of OPK short. 28.74% of OPKO Health's shares are currently sold short. Learn More on OPKO Health's current short interest. What is a good short interest ratio for OPKO Health? 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. OPK shares currently have a short interest ratio of 23.0. Learn More on OPKO Health's short interest ratio. Which institutional investors are shorting OPKO Health? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of OPKO Health: Wolverine Trading LLC, Squarepoint Ops LLC, Group One Trading LLC, Graham Capital Management L.P., Citadel Advisors LLC, Jane Street Group LLC, Concourse Financial Group Securities Inc., and Wolverine Asset Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for OPKO Health? 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. 28.74% of OPKO Health's floating shares are currently sold short. Is OPKO Health's short interest increasing or decreasing? OPKO Health saw a increase in short interest in the month of January. As of January 31st, there was short interest totaling 88,640,000 shares, an increase of 0.8% from the previous total of 87,920,000 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 OPKO Health's float size? OPKO Health currently has issued a total of 682,483,000 shares. Some of OPKO Health'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. OPKO Health currently has a public float of 308,380,000 shares. How does OPKO Health's short interest compare to its competitors? 28.74% of OPKO Health's shares are currently sold short. Here is how the short interest of companies in the industry of "biotechnology" compare to OPKO Health: Amicus Therapeutics, Inc. (5.64%), Ligand Pharmaceuticals Incorporated (5.04%), BioCryst Pharmaceuticals, Inc. (8.36%), Dynavax Technologies Co. (14.79%), Geron Co. (12.34%), Celldex Therapeutics, Inc. (13.37%), MannKind Co. (10.24%), Myriad Genetics, Inc. (5.34%), Novavax, Inc. (21.81%), Innoviva, Inc. (14.22%), 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 OPKO Health stock? Short selling OPK is an investing strategy that aims to generate trading profit from OPKO Health as its price is falling. OPK shares are trading up $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 OPKO Health? A short squeeze for OPKO Health 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 OPK, which in turn drives the price of the stock up even further. How often is OPKO Health'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 OPK, twice per month. The most recent reporting period available is January, 31 2025. More Short Interest Resources from MarketBeat Related Companies Amicus Therapeutics Short Interest Data Ligand Pharmaceuticals Short Interest Data Dynavax Technologies Short Interest Data BioCryst Pharmaceuticals Short Interest Data MannKind Short Interest Data Geron Short Interest Data Celldex Therapeutics Short Interest Data Myriad Genetics Short Interest Data Novavax Short Interest Data Innoviva 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:OPK) was last updated on 2/26/2025 by MarketBeat.com Staff From Our PartnersThree new patents reveal Elon and Trump’s secret “Project America”Right now for a limited time… You can get Tim Bohen’s top 5 Trump stocks for 2025… For only ONE DOLLAR!...Timothy Sykes | SponsoredMust-See: Trump’s Shocking AI AnnouncementIf you have any investments in AI stocks or are interested in AI… Please take a moment to review the detail...Brownstone Research | Sponsored Is Starlink Set For The Largest IPO In History?He turned PayPal from a tiny, off-the-radar startup… to a massive $64 billion giant. 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