Neurocrine Biosciences (NBIX) Short Interest Ratio & Short Volume $120.69 +4.58 (+3.94%) Closing price 04:00 PM EasternExtended Trading$120.78 +0.09 (+0.08%) As of 05:49 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 Neurocrine Biosciences Short Interest DataNeurocrine Biosciences (NBIX) has a short interest of 2.40 million shares. This marks a -25.00% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.1, indicating that it would take 2.1 days of the average trading volume of 1.34 million shares to cover all short positions.Current Short Interest2,400,000 sharesPrevious Short Interest3,200,000 sharesChange Vs. Previous Month-25.00%Dollar Volume Sold Short$364.37 millionShort Interest Ratio2.1 Days to CoverLast Record DateJanuary 31, 2025Outstanding Shares99,700,000 sharesPercentage of Shares Shorted2.41%Today's Trading Volume1,960,426 sharesAverage Trading Volume1,340,165 sharesToday's Volume Vs. Average146% Short Selling Neurocrine Biosciences? Sign up to receive the latest short interest report for Neurocrine Biosciences and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartNBIX Short Interest Over TimeNBIX Days to Cover Over TimeNBIX Percentage of Float Shorted Over Time Neurocrine Biosciences Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 1/31/20252,400,000 shares $364.37 million -25.0%N/A2.1 $151.82 1/15/20253,200,000 shares $456.19 million -4.5%N/A3.2 $142.56 12/31/20243,350,000 shares $457.28 million -1.2%N/A3.5 $136.50 12/15/20243,390,000 shares $429.51 million -13.3%N/A3.6 $126.70 11/30/20243,910,000 shares $495.59 million -7.8%N/A4.3 $126.75 11/15/20244,240,000 shares $497.95 million +71.0%N/A4.1 $117.44 10/31/20242,480,000 shares $298.27 million -5.3%N/A2.6 $120.27 10/15/20242,620,000 shares $307.43 million +6.9%N/A2.8 $117.34 9/30/20242,450,000 shares $282.29 million +9.9%N/A2.7 $115.22 9/15/20242,230,000 shares $272.62 million +4.2%N/A2.5 $122.25 Get the Latest News and Ratings for NBIX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Neurocrine Biosciences and its competitors with MarketBeat's FREE daily newsletter. 8/31/20242,140,000 shares $271.91 million -6.6%N/A2.4 $127.06 8/15/20242,290,000 shares $338.39 million -14.2%N/A2.9 $147.77 7/31/20242,670,000 shares $377.99 million +1.5%N/A3.4 $141.57 7/15/20242,630,000 shares $387.82 million -6.7%N/A3.4 $147.46 6/30/20242,820,000 shares $388.23 million +26.5%N/A3.6 $137.67 6/15/20242,230,000 shares $302.05 million +4.7%N/A2.8 $135.45 5/31/20242,130,000 shares $288.42 million +14.5%N/A2.6 $135.41 5/15/20241,860,000 shares $264.12 million +1.6%N/A2.2 $142.00 4/30/20241,830,000 shares $251.70 million -9.4%N/A2.1 $137.54 4/15/20242,020,000 shares $266.11 million -16.9%N/A2.3 $131.74 3/31/20242,430,000 shares $335.15 million -2.0%N/A2.8 $137.92 3/15/20242,480,000 shares $344.97 million +13.8%N/A2.9 $139.10 2/29/20242,180,000 shares $284.27 million No ChangeN/A2.6 $130.40 2/15/20242,180,000 shares $292.12 million +16.0%N/A2.7 $134.00 1/31/20241,880,000 shares $262.77 million -18.6%N/A2.4 $139.77 1/15/20242,310,000 shares $304.99 million +1.8%N/A3.1 $132.03 12/31/20232,270,000 shares $299.10 million -0.4%N/A3.2 $131.76 12/15/20232,280,000 shares $274.10 million +8.1%N/A3.2 $120.22 11/30/20232,110,000 shares $246.00 million -7.5%N/A3.1 $116.59 11/15/20232,280,000 shares $252.42 million +2.2%N/A3.4 $110.71 10/31/20232,230,000 shares $247.40 million +1.8%N/A3.4 $110.94 10/15/20232,190,000 shares $247.12 million +18.4%N/A3.2 $112.84 9/30/20231,850,000 shares $208.13 million -8.4%N/A2.6 $112.50 9/15/20232,020,000 shares $227.15 million No ChangeN/A2.8 $112.45 8/31/20232,020,000 shares $219.96 million +3.6%N/A2.6 $108.89 8/15/20231,950,000 shares $207.32 million -3.9%N/A2.6 $106.32 7/31/20232,030,000 shares $206.84 million -12.9%N/A2.7 $101.89 7/15/20232,330,000 shares $221.61 million -3.7%N/A3.1 $95.11 6/30/20232,420,000 shares $228.21 million -5.1%N/A3.3 $94.30 6/15/20232,550,000 shares $246.97 million -1.9%N/A3.5 $96.85Elon Social Security shock? (Ad)“A Maniacal Sense of Urgency” We could be just days away from Elon Musk launching his next big venture. One Boston based think tank believes it could have drastic impacts on your money and life in America.Get the details here. 5/31/20232,600,000 shares $232.78 million -6.8%N/A3.7 $89.53 5/15/20232,790,000 shares $273.84 million +5.7%N/A4 $98.15 4/30/20232,640,000 shares $266.75 million +3.5%N/A3.5 $101.04 4/15/20232,550,000 shares $262.09 million -7.6%N/A3.4 $102.78 3/31/20232,760,000 shares $279.37 million +3.4%N/A3.4 $101.22 3/15/20232,670,000 shares $251.27 million +5.1%N/A3.4 $94.11 2/28/20232,540,000 shares $261.87 million -1.6%N/A3.2 $103.10 2/15/20232,580,000 shares $267.62 million -1.2%N/A3.3 $103.73 1/31/20232,610,000 shares $289.53 million +0.8%2.8%3.2 $110.93 1/15/20232,590,000 shares $282.28 million +15.1%2.8%3.2 $108.99 12/30/20222,250,000 shares $268.74 million +0.5%2.4%2.8 $119.44 12/15/20222,240,000 shares $261.39 million -16.7%2.4%2.7 $116.69 11/30/20222,690,000 shares $341.79 million -5.3%2.9%3.3 $127.06 11/15/20222,840,000 shares $325.95 million +8.0%3.0%3.5 $114.77 10/31/20222,630,000 shares $302.77 million -4.0%2.8%3.3 $115.12 10/15/20222,740,000 shares $296.55 million +3.0%2.9%3.6 $108.23 9/30/20222,660,000 shares $282.52 million +10.4%2.8%3.6 $106.21 9/15/20222,410,000 shares $257.70 million +11.6%2.6%3.4 $106.93 8/31/20222,160,000 shares $226.00 million -21.7%2.3%3 $104.63 8/15/20222,760,000 shares $296.40 million +7.0%3.0%3.7 $107.39 7/31/20222,580,000 shares $242.86 million -0.8%2.8%3.3 $94.13 7/15/20222,600,000 shares $247.44 million +5.3%2.8%3.4 $95.17 6/30/20222,470,000 shares $240.78 million -33.8%2.6%3.2 $97.48 6/15/20223,730,000 shares $347.45 million +4.2%4.2%5 $93.15 5/31/20223,580,000 shares $334.69 million -17.1%3.8%4.9 $93.49 5/15/20224,320,000 shares $363.40 million +23.1%4.6%6.1 $84.12 4/30/20223,510,000 shares $316.01 million +7.7%3.8%4.6 $90.03 4/15/20223,260,000 shares $323.62 million +9.8%3.5%4.4 $99.27 3/31/20222,970,000 shares $278.44 million +1.0%3.2%3.5 $93.75 3/15/20222,940,000 shares $267.72 million +2.4%3.2%3.5 $91.06 2/28/20222,870,000 shares $257.93 million +3.2%3.1%3.2 $89.87 2/15/20222,780,000 shares $240.44 million -2.5%3.0%3 $86.49 1/31/20222,850,000 shares $225.21 million +13.1%3.1%3.2 $79.02 1/15/20222,520,000 shares $197.47 million -10.6%2.7%2.8 $78.36 12/31/20212,820,000 shares $240.18 million -4.7%3.1%3.4 $85.17 12/15/20212,960,000 shares $250.59 million +8.4%3.2%3.8 $84.66 11/30/20212,730,000 shares $227.27 million -13.9%3.0%3.7 $83.25 11/15/20213,170,000 shares $278.26 million -14.1%3.4%5 $87.78 10/29/20213,690,000 shares $388.96 million +2.2%4.0%5.9 $105.41 10/15/20213,610,000 shares $377.39 million +4.3%3.9%5.9 $104.54 9/30/20213,460,000 shares $331.85 million -0.9%3.8%5.6 $95.91 9/15/20213,490,000 shares $336.23 million -6.7%3.8%5.3 $96.34 8/31/20213,740,000 shares $356.05 million +4.8%4.1%5.6 $95.20 8/13/20213,570,000 shares $318.16 million -13.6%3.9%4.8 $89.12 7/30/20214,130,000 shares $384.96 million +3.0%4.5%5.5 $93.21 7/15/20214,010,000 shares $376.06 million -8.5%4.3%5.6 $93.78 6/30/20214,380,000 shares $426.26 million -1.1%4.7%6 $97.32 6/15/20214,430,000 shares $433.65 million -13.5%4.8%4.1 $97.89 5/28/20215,120,000 shares $492.65 million -3.8%5.5%4.7 $96.22 5/14/20215,320,000 shares $489.07 million -11.6%N/A4.7 $91.93Elon Social Security shock? (Ad)“A Maniacal Sense of Urgency” We could be just days away from Elon Musk launching his next big venture. One Boston based think tank believes it could have drastic impacts on your money and life in America.Get the details here. 4/30/20216,020,000 shares $573.89 million -3.2%N/A5.1 $95.33 4/15/20216,220,000 shares $591.21 million -11.1%N/A5.3 $95.05 3/31/20217,000,000 shares $659.82 million +57.3%N/A5.6 $94.26 3/15/20214,450,000 shares $431.92 million +18.7%N/A5.1 $97.06 2/26/20213,750,000 shares $400.54 million -7.4%N/A4.2 $106.81 2/12/20214,050,000 shares $467.41 million -1.2%N/A4.5 $115.41 1/29/20214,100,000 shares $458.91 million -6.2%N/A4.1 $111.93 1/15/20214,370,000 shares $477.60 million No ChangeN/A4.5 $109.29 12/31/20204,370,000 shares $417.16 million +1.4%N/A4.8 $95.46 12/15/20204,310,000 shares $402.81 million -7.9%N/A4.7 $93.46 11/30/20204,680,000 shares $447.22 million -3.1%N/A4.9 $95.56 11/15/20204,830,000 shares $444.26 million -5.7%N/A5.1 $91.98 10/30/20205,120,000 shares $506.47 million +1.8%N/A6.1 $98.92 10/15/20205,030,000 shares $508.18 million -2.1%N/A6.4 $101.03 9/30/20205,140,000 shares $494.26 million -9.4%N/A6.4 $96.16 9/15/20205,670,000 shares $591.38 million +3.5%N/A7.1 $104.30 8/31/20205,480,000 shares $637.98 million +3.6%N/A7 $116.42 8/14/20205,290,000 shares $605.12 million -6.2%N/A6.7 $114.39 7/31/20205,640,000 shares $678.83 million +12.6%N/A6.5 $120.36 7/15/20205,010,000 shares $656.91 million +3.9%N/A5.8 $131.12 6/30/20204,820,000 shares $604.91 million +4.1%N/A5.6 $125.50 6/15/20204,630,000 shares $533.98 million -1.9%N/A5.5 $115.33 5/29/20204,720,000 shares $588.87 million -2.3%N/A5.3 $124.76 5/15/20204,830,000 shares $562.70 million -5.1%N/A5.4 $116.50 4/30/20205,090,000 shares $499.53 million -2.7%N/A6.3 $98.14 4/15/20205,230,000 shares $497.53 million +3.0%N/A6.5 $95.13 3/31/20205,080,000 shares $498.75 million -1.0%5.6%6.1 $98.18 3/13/20205,133,100 shares $496.27 million +4.1%5.6%6.6 $96.68 2/28/20204,930,000 shares $389.52 million +13.6%5.4%6 $79.01 NBIX Short Interest - Frequently Asked Questions What is Neurocrine Biosciences' current short interest? Short interest is the volume of Neurocrine Biosciences shares that have been sold short but have not yet been covered or closed out. As of January 31st, investors have sold 2,400,000 shares of NBIX short. Learn More on Neurocrine Biosciences' current short interest. What is a good short interest ratio for Neurocrine Biosciences? 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. NBIX shares currently have a short interest ratio of 2.0. Learn More on Neurocrine Biosciences's short interest ratio. Which institutional investors are shorting Neurocrine Biosciences? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Neurocrine Biosciences: GTS Securities LLC, Squarepoint Ops LLC, OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC , Millennium Management LLC, LMR Partners LLP, J. Goldman & Co LP, Citadel Advisors LLC, Jane Street Group LLC, Susquehanna International Group LLP, HAP Trading LLC, Concourse Financial Group Securities Inc., Walleye Trading LLC, JPMorgan Chase & Co., Twin Tree Management LP, and JPMorgan Chase & Co.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Neurocrine Biosciences' short interest increasing or decreasing? Neurocrine Biosciences saw a decrease in short interest in January. As of January 31st, there was short interest totaling 2,400,000 shares, a decrease of 25.0% from the previous total of 3,200,000 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 Neurocrine Biosciences' short interest compare to its competitors? Here is how the short interest of companies in the industry of "biotechnology" compare to Neurocrine Biosciences: Alnylam Pharmaceuticals, Inc. (2.27%), Biogen Inc. (2.59%), United Therapeutics Co. (4.59%), Incyte Co. (3.06%), BioMarin Pharmaceutical Inc. (2.36%), Exelixis, Inc. (4.72%), Exact Sciences Co. (5.37%), Repligen Co. (6.38%), Halozyme Therapeutics, Inc. (7.22%), Madrigal Pharmaceuticals, Inc. (18.25%), 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 Neurocrine Biosciences stock? Short selling NBIX is an investing strategy that aims to generate trading profit from Neurocrine Biosciences as its price is falling. NBIX shares are trading up $4.58 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 Neurocrine Biosciences? A short squeeze for Neurocrine Biosciences 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 NBIX, which in turn drives the price of the stock up even further. How often is Neurocrine Biosciences' 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 NBIX, twice per month. The most recent reporting period available is January, 31 2025. 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