This company has been marked as potentially delisted and may not be actively trading. AcelRx Pharmaceuticals (ACRX) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock AcelRx Pharmaceuticals Short Interest DataAcelRx Pharmaceuticals (ACRX) has a short interest of 508,100 shares, representing 3.16% of the float (the number of shares available for trading by the public). This marks a -2.40% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.2, indicating that it would take 3.2 days of the average trading volume of 137,683 shares to cover all short positions.Current Short Interest508,100 sharesPrevious Short Interest520,600 sharesChange Vs. Previous Month-2.40%Dollar Volume Sold Short$411,052.90Short Interest Ratio3.2 Days to CoverLast Record DateDecember 15, 2023Outstanding Shares16,950,000 sharesFloat Size16,070,000 sharesShort Percent of Float3.16%Today's Trading Volume243,500 sharesAverage Trading Volume137,683 sharesToday's Volume Vs. Average177% Short Selling AcelRx Pharmaceuticals? Sign up to receive the latest short interest report for AcelRx Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartACRX Short Interest Over TimeACRX Days to Cover Over TimeACRX Percentage of Float Shorted Over Time AcelRx Pharmaceuticals Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 12/15/2023508,100 shares $411,052.90 -2.4%3.2%3.2 $0.81 11/30/2023520,600 shares $382,641.00 -30.7%3.2%2.5 $0.74 11/15/2023751,400 shares $361,423.40 -1.1%4.7%3.3 $0.48 10/31/2023759,900 shares $395,148.00 -10.9%4.9%2.4 $0.52 10/15/2023852,700 shares $544,534.22 +22.9%5.5%2.8 $0.64 9/30/2023693,900 shares $402,462.00 +8.7%4.5%2.3 $0.58 9/15/2023638,100 shares $587,052.00 +0.4%4.1%2.4 $0.92 8/31/2023635,300 shares $654,359.00 -46.2%4.2%2.9 $1.03 8/15/20231,180,000 shares $902,700.00 +14.6%7.6%5.6 $0.77 7/31/20231,030,000 shares $1.06 million +19.7%6.6%8.7 $1.03 Get the Latest News and Ratings for ACRX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AcelRx Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 7/15/2023860,800 shares $1.04 million -0.8%8.0%6.9 $1.21 6/30/2023867,400 shares $962,814.00 +0.9%8.0%6.9 $1.11 6/15/2023859,900 shares $1.07 million 0.0%8.0%5.4 $1.24 5/31/2023860,000 shares $856,560.00 +12.3%8.0%3.9 $1.00 5/15/2023765,800 shares $604,982.00 -10.5%7.1%3.7 $0.79 4/30/2023855,800 shares $573,386.00 +2.4%7.9%3.9 $0.67 4/15/2023835,900 shares $578,860.75 +2.5%7.8%3.6 $0.69 3/31/2023815,600 shares $536,664.80 +17.5%7.6%3.5 $0.66 3/15/2023694,100 shares $492,811.00 +4.1%8.6%3.1 $0.71 2/28/2023666,600 shares $946,572.00 +7.9%8.3%4.3 $1.42 2/15/2023617,600 shares $981,984.00 +15.5%7.7%3.7 $1.59 1/31/2023534,900 shares $1.07 million -16.5%6.6%3 $2.00 1/15/2023640,700 shares $1.66 million -12.3%8.0%3.7 $2.59 12/30/2022730,900 shares $1.65 million -16.8%9.1%4.8 $2.26 12/15/2022878,500 shares $2.12 million +12.5%12.0%6.7 $2.41 11/30/2022780,600 shares $1.87 million -0.4%10.7%6.3 $2.39 11/15/2022783,500 shares $1.97 million +28.7%10.7%7.1 $2.52 10/31/2022608,700 shares $1.61 million -93.9%8.5%4.6 $2.64 10/15/20229,980,000 shares $2.16 million -0.1%N/A4.7 $0.22 9/30/20229,990,000 shares $2.09 million -10.8%N/A4.3 $0.21 9/15/202211,200,000 shares $3.04 million -0.4%N/A3.6 $0.27 8/31/202211,250,000 shares $3.32 million -19.9%N/A3.6 $0.30 8/15/202214,040,000 shares $4.29 million +17.1%N/A4.6 $0.31 7/31/202211,990,000 shares $2.47 million +7.0%N/A5.6 $0.21 7/15/202211,210,000 shares $2.59 million +81.4%N/A5.4 $0.23 6/30/20226,180,000 shares $1.51 million +1.0%9.2%3.1 $0.24 6/15/20226,120,000 shares $1.22 million +61.5%9.1%4.7 $0.20 5/31/20223,790,000 shares $860,330.00 +54.7%N/A2.8 $0.23 5/15/20222,450,000 shares $514,255.00 +18.4%N/A2.2 $0.21 4/30/20222,070,000 shares $516,879.00 +6.2%N/A2 $0.25Warning: “DOGE Collapse” imminent (Ad)Elon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. 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But according to one research group, with connections to the Pentagon and the U.S. government, Elon's preparing to strike back in a much bigger way in the days ahead.Click here to see what they’re predicting now. 4/15/20221,950,000 shares $507,000.00 +4.3%N/A1.9 $0.26 3/31/20221,870,000 shares $533,885.00 -9.2%N/A1.8 $0.29 3/15/20222,060,000 shares $634,068.00 -15.9%N/A2 $0.31 2/28/20222,450,000 shares $1.11 million -11.6%N/A2.3 $0.45 2/15/20222,770,000 shares $1.18 million -12.9%N/A2.6 $0.43 1/31/20223,180,000 shares $1.53 million +27.2%N/A2.8 $0.48 1/15/20222,500,000 shares $1.30 million +5.9%N/A2.2 $0.52 12/31/20212,360,000 shares $1.32 million -8.2%N/A2.1 $0.56 12/15/20212,570,000 shares $1.33 million -10.8%N/A2.6 $0.52 11/30/20212,880,000 shares $1.88 million -8.6%N/A3.4 $0.65 11/15/20213,150,000 shares $2.35 million -0.9%2.7%3.8 $0.75 10/29/20213,180,000 shares $2.80 million -3.3%2.7%3.4 $0.88 10/15/20213,290,000 shares $3.36 million -33.3%2.8%3.4 $1.02 9/30/20214,930,000 shares $5.03 million -16.6%4.2%3.3 $1.02 9/15/20215,910,000 shares $6.03 million -4.4%5.1%3.3 $1.02 8/31/20216,180,000 shares $6.92 million -39.9%5.3%3.2 $1.12 8/13/202110,280,000 shares $12.03 million -7.2%8.8%4.8 $1.17 7/30/202111,080,000 shares $13.07 million +6.9%9.5%5.2 $1.18 7/15/202110,370,000 shares $14.10 million -4.3%8.9%4.7 $1.36 6/30/202110,830,000 shares $14.95 million -31.2%9.3%5.8 $1.38 6/15/202115,740,000 shares $21.88 million +14.6%13.5%8.8 $1.39 5/28/202113,730,000 shares $19.08 million +4.7%11.8%6.5 $1.39 5/14/202113,120,000 shares $13.51 million +1.6%N/A5.5 $1.03 4/30/202112,920,000 shares $16.54 million +5.0%N/A4.5 $1.28 4/15/202112,300,000 shares $16.85 million +3.8%N/A2.9 $1.37 3/31/202111,850,000 shares $19.08 million +46.5%N/A2 $1.61 3/15/20218,090,000 shares $17.96 million +8.9%N/A1.3 $2.22 2/26/20217,430,000 shares $14.41 million -4.9%N/A1.3 $1.94 2/12/20217,810,000 shares $20.54 million -28.9%N/A1.5 $2.63 1/29/202110,980,000 shares $24.71 million +4.6%N/A2.3 $2.25 1/15/202110,500,000 shares $19.53 million +34.6%N/A2.5 $1.86 12/31/20207,800,000 shares $9.75 million +0.7%N/A3.8 $1.25 12/15/20207,750,000 shares $10.31 million -3.6%N/A5.3 $1.33 11/30/20208,040,000 shares $12.22 million +0.6%N/A4.7 $1.52 11/15/20207,990,000 shares $12.38 million +1.3%N/A4.9 $1.55 10/30/20207,890,000 shares $14.20 million -2.0%N/A4.7 $1.80 10/15/20208,050,000 shares $14.89 million -2.8%N/A4.8 $1.85 9/30/20208,280,000 shares $11.76 million No ChangeN/A5.1 $1.42 9/15/20208,280,000 shares $10.10 million +0.4%N/A5.6 $1.22 8/31/20208,250,000 shares $10.31 million +1.6%N/A7.6 $1.25 8/14/20208,120,000 shares $10.64 million -8.6%N/A6.4 $1.31 7/31/20208,880,000 shares $9.68 million -24.8%N/A7.1 $1.09 7/15/202011,800,000 shares $12.74 million +4.5%N/A9.7 $1.08 6/30/202011,290,000 shares $13.66 million +22.6%N/A10.3 $1.21 6/15/20209,210,000 shares $12.25 million +2.5%N/A8 $1.33 5/29/20208,990,000 shares $12.50 million -21.1%N/A7.5 $1.39 5/15/202011,400,000 shares $15.96 million +2.2%N/A9.9 $1.40 4/30/202011,160,000 shares $17.97 million -11.6%N/A10.2 $1.61 ACRX Short Interest - Frequently Asked Questions What is AcelRx Pharmaceuticals' current short interest? Short interest is the volume of AcelRx Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of December 15th, traders have sold 508,100 shares of ACRX short. 3.16% of AcelRx Pharmaceuticals' shares are currently sold short. Learn More on AcelRx Pharmaceuticals' current short interest. What is a good short interest ratio for AcelRx Pharmaceuticals? 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. ACRX shares currently have a short interest ratio of 3.0. Learn More on AcelRx Pharmaceuticals's short interest ratio. What is a good short interest percentage for AcelRx Pharmaceuticals? 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. 3.16% of AcelRx Pharmaceuticals' floating shares are currently sold short. Is AcelRx Pharmaceuticals' short interest increasing or decreasing? AcelRx Pharmaceuticals saw a decrease in short interest in the month of December. As of December 15th, there was short interest totaling 508,100 shares, a decrease of 2.4% from the previous total of 520,600 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 AcelRx Pharmaceuticals' float size? AcelRx Pharmaceuticals currently has issued a total of 16,950,000 shares. Some of AcelRx Pharmaceuticals' 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. AcelRx Pharmaceuticals currently has a public float of 16,070,000 shares. How does AcelRx Pharmaceuticals' short interest compare to its competitors? 3.16% of AcelRx Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to AcelRx Pharmaceuticals: PMV Pharmaceuticals, Inc. (1.91%), Assertio Holdings, Inc. (5.76%), Kronos Bio, Inc. (1.56%), BeyondSpring Inc. (6.24%), Milestone Pharmaceuticals Inc. (5.33%), FibroBiologics, Inc. (7.69%), Repare Therapeutics Inc. (2.61%), Biodexa Pharmaceuticals Plc (0.19%), Oncolytics Biotech Inc. (3.20%), PepGen Inc. (10.41%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Canadian Natural Resources Limited ($4.67 billion), General Motors ($4.33 billion), T-Mobile US, Inc. ($4.30 billion), Charter Communications, Inc. ($3.12 billion), Coinbase Global, Inc. ($3.12 billion), Occidental Petroleum Co. ($2.94 billion), Tractor Supply ($2.71 billion), Rivian Automotive, Inc. ($2.32 billion), United Rentals, Inc. ($2.22 billion), and Royal Caribbean Cruises Ltd. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short AcelRx Pharmaceuticals stock? Short selling ACRX is an investing strategy that aims to generate trading profit from AcelRx Pharmaceuticals 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 AcelRx Pharmaceuticals? A short squeeze for AcelRx Pharmaceuticals 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 ACRX, which in turn drives the price of the stock up even further. How often is AcelRx Pharmaceuticals' 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 ACRX, twice per month. The most recent reporting period available is December, 15 2023. More Short Interest Resources from MarketBeat Related Companies PMVP Short Interest ASRT Short Interest KRON Short Interest BYSI Short Interest MIST Short Interest FBLG Short Interest RPTX Short Interest BDRX Short Interest ONCY Short Interest PEPG 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:ACRX) was last updated on 4/25/2025 by MarketBeat.com Staff From Our PartnersElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | Sponsored[Action Required] Claim Your FREE IRS Loophole GuideThis shouldn't surprise anyone who's been paying attention, but... Pres. 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