Ardelyx (ARDX) Short Interest Ratio & Short Volume $5.24 -0.06 (-1.13%) Closing price 03/10/2025 04:00 PM EasternExtended Trading$5.24 0.00 (-0.10%) As of 03/10/2025 07:59 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 Ardelyx Short Interest DataArdelyx (ARDX) has a short interest of 27.90 million shares, representing 12.52% of the float (the number of shares available for trading by the public). This marks a 4.77% increase in short interest from the previous month. The short interest ratio (days to cover) is 6.6, indicating that it would take 6.6 days of the average trading volume of 4.40 million shares to cover all short positions.Current Short Interest27,900,000 sharesPrevious Short Interest26,630,000 sharesChange Vs. Previous Month+4.77%Dollar Volume Sold Short$161.54 millionShort Interest Ratio6.6 Days to CoverLast Record DateFebruary 15, 2025Outstanding Shares238,356,000 sharesShort Percent of Float12.52%Today's Trading Volume2,431,158 sharesAverage Trading Volume4,397,559 sharesToday's Volume Vs. Average55% Short Selling Ardelyx? Sign up to receive the latest short interest report for Ardelyx and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartARDX Short Interest Over TimeARDX Days to Cover Over TimeARDX Percentage of Float Shorted Over Time Remove Ads Ardelyx Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 2/15/202527,900,000 shares $161.54 million +4.8%12.5%6.6 $5.79 1/31/202526,630,000 shares $142.74 million +12.7%N/A5.6 $5.36 1/15/202523,620,000 shares $126.37 million -2.7%N/A4.9 $5.35 12/31/202424,280,000 shares $123.10 million +1.9%N/A5.5 $5.07 12/15/202423,820,000 shares $124.34 million -2.1%N/A5.6 $5.22 11/30/202424,320,000 shares $137.89 million +4.3%N/A6.1 $5.67 11/15/202423,310,000 shares $115.85 million -3.1%N/A6.1 $4.97 10/31/202424,060,000 shares $141.23 million +5.1%N/A7 $5.87 10/15/202422,890,000 shares $136.65 million -0.7%N/A7 $5.97 9/30/202423,050,000 shares $158.81 million -11.1%N/A6.7 $6.89 Get the Latest News and Ratings for ARDX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ardelyx and its competitors with MarketBeat's FREE daily newsletter. 9/15/202425,930,000 shares $163.62 million +4.4%N/A6.3 $6.31 8/31/202424,850,000 shares $153.57 million -4.4%N/A5.8 $6.18 8/15/202425,980,000 shares $152.76 million -2.2%N/A5.7 $5.88 7/31/202426,560,000 shares $147.41 million -3.7%N/A5.8 $5.55 7/15/202427,590,000 shares $164.16 million -4.3%N/A5.4 $5.95 6/30/202428,830,000 shares $213.63 million -7.3%N/A5.6 $7.41 6/15/202431,090,000 shares $197.42 million +0.5%N/A6.4 $6.35 5/31/202430,940,000 shares $212.25 million -6.4%N/A6 $6.86 5/15/202433,040,000 shares $259.36 million -6.1%N/A5.9 $7.85 4/30/202435,170,000 shares $225.09 million +3.7%N/A5.9 $6.40 4/15/202433,930,000 shares $230.72 million -3.1%N/A6.2 $6.80 3/31/202435,020,000 shares $255.65 million -3.6%N/A5.5 $7.30 3/15/202436,310,000 shares $294.11 million +8.0%N/A5.8 $8.10 2/29/202433,610,000 shares $313.25 million +11.8%N/A5.1 $9.32 2/15/202430,060,000 shares $279.56 million +6.8%N/A4.7 $9.30 1/31/202428,160,000 shares $245.84 million -3.0%N/A4.7 $8.73 1/15/202429,020,000 shares $262.05 million -12.0%N/A4.5 $9.03 12/31/202332,980,000 shares $204.48 million +0.2%N/A4.6 $6.20 12/15/202332,930,000 shares $194.62 million -8.7%N/A5.1 $5.91 11/30/202336,080,000 shares $162.72 million -5.4%N/A5.7 $4.51 11/15/202338,120,000 shares $147.52 million +4.5%N/A5.6 $3.87 10/31/202336,470,000 shares $144.06 million +50.0%N/A5.4 $3.95 10/15/202324,310,000 shares $80.95 million +9.7%N/A3.8 $3.33 9/30/202322,170,000 shares $90.45 million -9.6%N/A4.6 $4.08 9/15/202324,510,000 shares $111.52 million -4.9%N/A4.6 $4.55 8/31/202325,770,000 shares $109.78 million -7.1%N/A5 $4.26 8/15/202327,750,000 shares $106.84 million +0.2%N/A6 $3.85 7/31/202327,700,000 shares $109.14 million +4.3%N/A5.5 $3.94 7/15/202326,560,000 shares $90.30 million +1.7%N/A5.2 $3.40 6/30/202326,130,000 shares $88.58 million +42.0%N/A4.7 $3.39Your Wealth is Under Attack (Ad)Please don't wait—this is your moment to take action. Download your Wealth Protection Guide now, claim your free gift, and see how Trump's victory could spark major gains for gold.Click here now to see how to stop them in their tracks! 6/15/202318,400,000 shares $72.13 million +7.3%N/A3.1 $3.92 5/31/202317,150,000 shares $57.28 million +2.8%N/A2.8 $3.34 5/15/202316,690,000 shares $74.44 million -8.5%N/A2.3 $4.46 4/30/202318,240,000 shares $81.35 million -4.0%N/A2.6 $4.46 4/15/202319,000,000 shares $89.49 million +7.2%N/A2.7 $4.71 3/31/202317,720,000 shares $84.88 million +36.4%N/A2.4 $4.79 3/15/202312,990,000 shares $51.83 million +18.2%N/A1.6 $3.99 2/28/202310,990,000 shares $31.65 million +8.7%N/A1.4 $2.88 2/15/202310,110,000 shares $30.53 million -4.4%N/A1.4 $3.02 1/31/202310,580,000 shares $31.00 million -9.5%N/A1 $2.93 1/15/202311,690,000 shares $36.94 million -5.5%N/A1.1 $3.16 12/30/202212,370,000 shares $35.25 million +17.6%N/A1.3 $2.85 12/15/202210,520,000 shares $20.41 million -15.2%N/A1.2 $1.94 11/30/202212,410,000 shares $21.35 million +44.5%N/A1.5 $1.72 11/15/20228,590,000 shares $10.48 million +17.0%N/A1.1 $1.22 10/31/20227,340,000 shares $11.01 million -7.6%N/A2.1 $1.50 10/15/20227,940,000 shares $10.96 million +2.1%N/A2.4 $1.38 9/30/20227,780,000 shares $9.26 million +12.9%N/A2.4 $1.19 9/15/20226,890,000 shares $9.44 million -14.9%N/A2.1 $1.37 8/31/20228,100,000 shares $7.68 million -4.0%N/A2.5 $0.95 8/15/20228,440,000 shares $8.19 million -22.4%N/A3.4 $0.97 7/31/202210,880,000 shares $7.59 million +0.4%N/A4.5 $0.70 7/15/202210,840,000 shares $7.58 million +3.5%N/A3.4 $0.70 6/30/202210,470,000 shares $6.18 million -13.9%N/A3.1 $0.59 6/15/202212,160,000 shares $6.66 million -6.2%N/A3.4 $0.55 5/31/202212,960,000 shares $8.50 million +11.2%N/A4 $0.66 5/15/202211,660,000 shares $7.62 million +1.0%N/A3.3 $0.65 4/30/202211,540,000 shares $9.50 million +20.0%N/A3.2 $0.82 4/15/20229,620,000 shares $8.59 million -1.4%N/A2.7 $0.89 3/31/20229,760,000 shares $10.44 million +3.7%N/A3.1 $1.07 3/15/20229,410,000 shares $8.65 million +9.8%N/A2.5 $0.92 2/28/20228,570,000 shares $6.60 million +1.1%N/A1.1 $0.77 2/15/20228,480,000 shares $6.21 million +15.9%N/A0.5 $0.73 1/31/20227,320,000 shares $6.05 million -7.0%N/A0.4 $0.83 1/15/20227,870,000 shares $7.33 million -1.8%N/A0.5 $0.93 12/31/20218,010,000 shares $8.81 million -34.5%N/A0.5 $1.10 12/15/202112,230,000 shares $14.68 million +92.9%13.1%0.7 $1.20 11/30/20216,340,000 shares $7.23 million +7.6%6.9%0.4 $1.14 11/15/20215,890,000 shares $6.60 million -23.4%6.5%1.7 $1.12 10/29/20217,690,000 shares $9.30 million +18.5%9.3%1.9 $1.21 10/15/20216,490,000 shares $7.01 million -2.0%7.7%0.9 $1.08 9/30/20216,620,000 shares $8.74 million -16.0%7.8%0.6 $1.32 9/15/20217,880,000 shares $10.01 million -8.8%9.3%0.8 $1.27 8/31/20218,640,000 shares $12.18 million -15.5%10.3%0.8 $1.41 8/13/202110,230,000 shares $14.73 million -3.4%13.1%1.1 $1.44 7/30/202110,590,000 shares $18.43 million +7.2%14.2%1.2 $1.74 7/15/20219,880,000 shares $74.00 million +8.1%13.2%1.7 $7.49 6/30/20219,140,000 shares $69.28 million +20.9%12.3%4.1 $7.58 6/15/20217,560,000 shares $55.19 million -10.0%10.1%3.4 $7.30 5/28/20218,400,000 shares $60.06 million -10.1%11.3%3.9 $7.15Your Wealth is Under Attack (Ad)Please don't wait—this is your moment to take action. Download your Wealth Protection Guide now, claim your free gift, and see how Trump's victory could spark major gains for gold.Click here now to see how to stop them in their tracks! 5/14/20219,340,000 shares $62.02 million +5.2%N/A4.4 $6.64 4/30/20218,880,000 shares $74.86 million -11.4%N/A4.4 $8.43 4/15/202110,020,000 shares $78.56 million +13.1%N/A6.2 $7.84 3/31/20218,860,000 shares $54.93 million +54.4%N/A8.3 $6.20 3/15/20215,740,000 shares $40.01 million +23.7%N/A6.7 $6.97 2/26/20214,640,000 shares $30.02 million -4.1%N/A5.7 $6.47 2/12/20214,840,000 shares $35.19 million +4.5%N/A6.5 $7.27 1/29/20214,630,000 shares $31.81 million +2.2%N/A6.7 $6.87 1/15/20214,530,000 shares $31.39 million -5.2%N/A6.9 $6.93 12/31/20204,780,000 shares $32.17 million -4.0%N/A8.1 $6.73 12/15/20204,980,000 shares $34.26 million -14.6%N/A9.1 $6.88 11/30/20205,830,000 shares $36.79 million +13.0%N/A12 $6.31 11/15/20205,160,000 shares $29.88 million -9.3%N/A10.7 $5.79 10/30/20205,690,000 shares $29.76 million +12.7%N/A12 $5.23 10/15/20205,050,000 shares $28.46 million -8.0%N/A10.1 $5.64 9/30/20205,490,000 shares $28.82 million -7.3%N/A0 $5.25 9/15/20205,920,000 shares $36.05 million -6.6%N/A9.5 $6.09 8/31/20206,340,000 shares $36.39 million -2.5%N/A10.2 $5.74 8/14/20206,500,000 shares $36.47 million +9.4%N/A9.9 $5.61 7/31/20205,940,000 shares $33.56 million -3.6%N/A8.3 $5.65 7/15/20206,160,000 shares $39.36 million +13.2%N/A8.4 $6.39 6/30/20205,440,000 shares $37.64 million +68.9%N/A7.1 $6.92 6/15/20203,220,000 shares $21.22 million +10.3%N/A4.4 $6.59 5/29/20202,920,000 shares $21.40 million +4.3%N/A3.8 $7.33 5/15/20202,800,000 shares $20.78 million +0.4%N/A3.5 $7.42 4/30/20202,790,000 shares $18.36 million -5.7%N/A3.2 $6.58 4/15/20202,960,000 shares $19.80 million -2.6%N/A3.5 $6.69 3/31/20203,040,000 shares $22.89 million -13.5%N/A3.6 $7.53 3/13/20203,514,700 shares $21.30 million +9.5%N/A4.4 $6.06 ARDX Short Interest - Frequently Asked Questions What is Ardelyx's current short interest? Short interest is the volume of Ardelyx shares that have been sold short but have not yet been covered or closed out. As of February 15th, traders have sold 27,900,000 shares of ARDX short. 12.52% of Ardelyx's shares are currently sold short. Learn More on Ardelyx's current short interest. What is a good short interest ratio for Ardelyx? 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. ARDX shares currently have a short interest ratio of 7.0. Learn More on Ardelyx's short interest ratio. Which institutional investors are shorting Ardelyx? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Ardelyx: GTS Securities LLC, Wolverine Trading LLC, Squarepoint Ops LLC, Sig Brokerage LP, Group One Trading LLC, Citadel Advisors LLC, Bank of America Corp DE, Jane Street Group LLC, Susquehanna International Group LLP, Concourse Financial Group Securities Inc., and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Ardelyx? 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. 12.52% of Ardelyx's floating shares are currently sold short. Is Ardelyx's short interest increasing or decreasing? Ardelyx saw a increase in short interest in February. As of February 15th, there was short interest totaling 27,900,000 shares, an increase of 4.8% from the previous total of 26,630,000 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 Ardelyx's short interest compare to its competitors? 12.52% of Ardelyx's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Ardelyx: PTC Therapeutics, Inc. (5.08%), SpringWorks Therapeutics, Inc. (13.26%), Ultragenyx Pharmaceutical Inc. (4.92%), ADMA Biologics, Inc. (6.04%), Organon & Co. (7.18%), Avidity Biosciences, Inc. (14.34%), Zai Lab Limited (8.04%), Scholar Rock Holding Co. (21.13%), Arcellx, Inc. (17.78%), Alvotech (0.39%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($25.81 billion), iShares 20+ Year Treasury Bond ETF ($10.38 billion), MicroStrategy Incorporated ($7.74 billion), AppLovin Co. ($6.32 billion), Apollo Global Management, Inc. ($5.97 billion), Super Micro Computer, Inc. ($4.89 billion), Charter Communications, Inc. ($4.52 billion), Capital One Financial Co. ($3.94 billion), Schlumberger Limited ($3.19 billion), and Reddit, Inc. ($3.01 billion). View all of the most shorted stocks. What does it mean to sell short Ardelyx stock? Short selling ARDX is an investing strategy that aims to generate trading profit from Ardelyx as its price is falling. ARDX shares are trading down $0.06 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 Ardelyx? A short squeeze for Ardelyx 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 ARDX, which in turn drives the price of the stock up even further. How often is Ardelyx'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 ARDX, twice per month. The most recent reporting period available is February, 15 2025. More Short Interest Resources from MarketBeat Related Companies PTC Therapeutics Short Interest Data SpringWorks Therapeutics Short Interest Data Ultragenyx Pharmaceutical Short Interest Data ADMA Biologics Short Interest Data Organon & Co. Short Interest Data Avidity Biosciences Short Interest Data Zai Lab Short Interest Data Scholar Rock Short Interest Data Arcellx Short Interest Data Alvotech 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:ARDX) was last updated on 3/11/2025 by MarketBeat.com Staff From Our PartnersURGENT: This Altcoin Opportunity Won’t Wait – Act NowCrypto has officially entered the "banana zone" – that wild phase where prices can 1000x in days. 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