This company has been marked as potentially delisted and may not be actively trading. La Jolla Pharmaceutical (LJPC) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock La Jolla Pharmaceutical Short Interest DataLa Jolla Pharmaceutical (LJPC) has a short interest of 95,700 shares, representing 0.38% of the float (the number of shares available for trading by the public). This marks a -52.74% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.5, indicating that it would take 0.5 days of the average trading volume of 158,476 shares to cover all short positions.Current Short Interest95,700 sharesPrevious Short Interest202,500 sharesChange Vs. Previous Month-52.74%Dollar Volume Sold Short$594.30 thousandShort Interest Ratio0.5 Days to CoverLast Record DateJuly 31, 2022Outstanding Shares24,937,000 sharesFloat Size25,070,000 sharesShort Percent of Float0.38%Today's Trading Volume66,708 sharesAverage Trading Volume158,476 sharesToday's Volume Vs. Average42% Short Selling La Jolla Pharmaceutical? Sign up to receive the latest short interest report for La Jolla Pharmaceutical and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartLJPC Short Interest Over TimeLJPC Days to Cover Over TimeLJPC Percentage of Float Shorted Over Time La Jolla Pharmaceutical Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/202295,700 shares $594.30 thousand -52.7%0.4%0.5 $6.21 7/15/2022202,500 shares $1.25 million -62.7%0.8%1 $6.18 6/30/2022543,500 shares $1.73 million -2.0%2.2%3.3 $3.19 6/15/2022554,800 shares $1.78 million -1.6%2.2%9.3 $3.20 5/31/2022564,000 shares $2.26 million -2.4%2.2%9.2 $4.01 5/15/2022577,700 shares $2.32 million +5.0%2.3%8.9 $4.01 4/30/2022550,000 shares $2.24 million +0.2%2.2%8.2 $4.08 4/15/2022548,700 shares $2.40 million +4.0%2.1%7.8 $4.37 3/31/2022527,700 shares $2.25 million -6.1%2.1%6.9 $4.27 3/15/2022561,800 shares $2.22 million -4.2%2.2%6.6 $3.96 Get the Latest News and Ratings for LJPC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for La Jolla Pharmaceutical and its competitors with MarketBeat's FREE daily newsletter. 2/28/2022586,300 shares $2.40 million -3.7%2.2%5.7 $4.09 2/15/2022608,900 shares $2.72 million -4.5%2.3%5 $4.46 1/31/2022637,300 shares $2.95 million -1.9%2.4%4.9 $4.63 1/15/2022649,400 shares $3.20 million -4.7%2.4%5.1 $4.92 12/31/2021681,300 shares $3.17 million +59.9%2.5%5.5 $4.65 12/15/2021426,200 shares $1.79 million +47.1%1.6%3.4 $4.21 11/30/2021289,800 shares $1.13 million +3.3%1.1%2.5 $3.90 11/15/2021280,600 shares $1.13 million -6.3%1.0%2.9 $4.01 10/29/2021299,400 shares $1.20 million -17.4%1.1%3.3 $4.02 10/15/2021362,500 shares $1.44 million -73.9%1.3%3.4 $3.96 9/30/20211,390,000 shares $5.55 million -2.1%5.1%12.5 $3.99 9/15/20211,420,000 shares $5.67 million +2.2%5.2%8.3 $3.99 8/31/20211,390,000 shares $5.85 million -11.5%5.1%7.5 $4.21 8/13/20211,570,000 shares $6.25 million -6.6%5.8%6.4 $3.98 7/30/20211,680,000 shares $6.06 million -2.9%6.2%6.4 $3.61 7/15/20211,730,000 shares $6.50 million -3.9%6.4%6.7 $3.76 6/30/20211,800,000 shares $7.70 million -23.1%6.7%6.6 $4.28 6/15/20212,340,000 shares $11.47 million -4.1%8.7%10 $4.90 5/28/20212,440,000 shares $10.49 million +4.3%9.0%10 $4.30 5/14/20212,340,000 shares $8.19 million -7.5%8.7%10.5 $3.50 4/30/20212,530,000 shares $10.95 million -17.3%9.4%9.9 $4.33 4/15/20213,060,000 shares $12.55 million +2.0%11.3%9.4 $4.10 3/31/20213,000,000 shares $12.66 million +0.3%11.1%3.1 $4.22 3/15/20212,990,000 shares $17.01 million +16.3%11.1%3.1 $5.69 2/26/20212,570,000 shares $15.06 million +7.1%9.5%2.7 $5.86 2/12/20212,400,000 shares $16.49 million -9.8%8.9%2.6 $6.87 1/29/20212,660,000 shares $17.13 million -15.3%9.9%2.8 $6.44 1/15/20213,140,000 shares $17.79 million +10.2%11.6%3.5 $5.67 12/31/20202,850,000 shares $11.34 million -2.7%10.6%3.6 $3.98 12/15/20202,930,000 shares $13.04 million +5.4%10.9%12.3 $4.45Something Big Is Coming... 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Today, he's explaining why the dollar has lost more value in 2025 than in ANY year since Lehman collapsed.why you need to get OUT of cash, and exactly where to move your money to instead. 11/30/20202,780,000 shares $13.15 million -12.6%10.3%9 $4.73 11/15/20203,180,000 shares $14.88 million -9.9%11.8%9.6 $4.68 10/30/20203,530,000 shares $12.67 million +3.5%13.1%9.5 $3.59 10/15/20203,410,000 shares $14.12 million +0.3%12.7%7.8 $4.14 9/30/20203,400,000 shares $13.70 million +0.9%12.6%7.4 $4.03 9/15/20203,370,000 shares $15.27 million -2.9%12.5%6.6 $4.53 8/31/20203,470,000 shares $14.57 million -1.4%12.9%6.6 $4.20 8/14/20203,520,000 shares $13.83 million -4.9%13.0%5.3 $3.93 7/31/20203,700,000 shares $14.73 million +23.8%N/A5.6 $3.98 7/15/20202,990,000 shares $13.28 million -6.0%N/A4.2 $4.44 6/30/20203,180,000 shares $13.96 million -9.1%N/A4.3 $4.39 LJPC Short Interest - Frequently Asked Questions What is La Jolla Pharmaceutical's current short interest? Short interest is the volume of La Jolla Pharmaceutical shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 95,700 shares of LJPC short. 0.38% of La Jolla Pharmaceutical's shares are currently sold short. Learn More on La Jolla Pharmaceutical's current short interest. What is a good short interest percentage for La Jolla Pharmaceutical? 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. 0.38% of La Jolla Pharmaceutical's floating shares are currently sold short. Is La Jolla Pharmaceutical's short interest increasing or decreasing? La Jolla Pharmaceutical saw a drop in short interest during the month of July. As of July 31st, there was short interest totaling 95,700 shares, a drop of 52.7% from the previous total of 202,500 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 La Jolla Pharmaceutical's float size? La Jolla Pharmaceutical currently has issued a total of 24,937,000 shares. Some of La Jolla Pharmaceutical'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. La Jolla Pharmaceutical currently has a public float of 25,070,000 shares. How does La Jolla Pharmaceutical's short interest compare to its competitors? 0.38% of La Jolla Pharmaceutical's shares are currently sold short. Here is how the short interest of companies in the sector of "medical" compare to La Jolla Pharmaceutical: Autolus Therapeutics plc (5.85%), Relay Therapeutics, Inc. (14.14%), Taysha Gene Therapies, Inc. (16.04%), MeiraGTx Holdings plc (4.37%), Cullinan Therapeutics, Inc. (17.20%), Opthea Limited (0.36%), Valneva SE (0.00%), Atyr PHARMA INC (16.00%), REGENXBIO Inc. (13.99%), Tourmaline Bio, Inc. (18.81%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: KLA Co. ($2.87 billion), Lucid Group, Inc. ($2.25 billion), T. Rowe Price Group, Inc. ($2.08 billion), Coinbase Global, Inc. ($1.91 billion), Williams-Sonoma, Inc. ($1.85 billion), Chesapeake Energy Co. ($1.81 billion), Rivian Automotive, Inc. ($1.64 billion), Lumen Technologies, Inc. ($1.61 billion), Plug Power Inc. ($1.50 billion), and Generac Holdings Inc. ($1.49 billion). View all of the most shorted stocks. What does it mean to sell short La Jolla Pharmaceutical stock? Short selling LJPC is an investing strategy that aims to generate trading profit from La Jolla Pharmaceutical as its price is falling. 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 La Jolla Pharmaceutical? A short squeeze for La Jolla Pharmaceutical 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 LJPC, which in turn drives the price of the stock up even further. How often is La Jolla Pharmaceutical'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 LJPC, twice per month. The most recent reporting period available is July, 31 2022. More Short Interest Resources from MarketBeat Related Companies Autolus Therapeutics Short Interest Relay Therapeutics Short Interest Taysha Gene Therapies Short Interest MeiraGTx Short Interest Cullinan Therapeutics Short Interest Opthea Short Interest Valneva Short Interest Atyr PHARMA Short Interest REGENXBIO Short Interest Tourmaline Bio 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:LJPC) was last updated on 6/16/2025 by MarketBeat.com Staff From Our PartnersAn AI run of epic proportions is only getting startedI just put together an urgent new presentation that you need to see right away. In short: I believe we are...Timothy Sykes | SponsoredWhen This Happens, You Don’t Wait. 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