Aldeyra Therapeutics (ALDX) Short Interest Ratio & Short Volume $4.84 +0.06 (+1.26%) As of 01/17/2025 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends Aldeyra Therapeutics Short Interest DataAldeyra Therapeutics (ALDX) has a short interest of 3.84 million shares. This marks a 8.17% increase in short interest from the previous month. The short interest ratio (days to cover) is 8.3, indicating that it would take 8.3 days of the average trading volume of 370,307 shares to cover all short positions.Current Short Interest3,840,000 sharesPrevious Short Interest3,550,000 sharesChange Vs. Previous Month+8.17%Dollar Volume Sold Short$19.16 millionShort Interest Ratio8.3 Days to CoverLast Record DateDecember 31, 2024Outstanding Shares59,550,000 sharesPercentage of Shares Shorted6.45%Today's Trading Volume274,810 sharesAverage Trading Volume370,307 sharesToday's Volume Vs. Average74% Short Selling Aldeyra Therapeutics? Sign up to receive the latest short interest report for Aldeyra Therapeutics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartALDX Short Interest Over TimeALDX Days to Cover Over TimeALDX Percentage of Float Shorted Over Time Aldeyra Therapeutics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 12/31/20243,840,000 shares $19.16 million +8.2%N/A8.3 $4.99 12/15/20243,550,000 shares $17.40 million +4.1%N/A7.6 $4.90 11/30/20243,410,000 shares $16.71 million -12.3%N/A7.2 $4.90 11/15/20243,890,000 shares $16.38 million +6.0%N/A7.9 $4.21 10/31/20243,670,000 shares $19.30 million +7.9%6.4%8.3 $5.26 10/15/20243,400,000 shares $18.22 million +13.3%5.9%6.4 $5.36 9/30/20243,000,000 shares $16.17 million +0.7%5.2%5.9 $5.39 9/15/20242,980,000 shares $17.97 million -4.2%5.2%5.9 $6.03 8/31/20243,110,000 shares $17.90 million +6.5%5.4%6.3 $5.76 8/15/20242,920,000 shares $15.33 million +14.1%5.1%6.4 $5.25 Get the Latest News and Ratings for ALDX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Aldeyra Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 7/31/20242,560,000 shares $10.09 million -5.5%N/A6 $3.94 7/15/20242,710,000 shares $10.73 million +6.7%N/A7.9 $3.96 6/30/20242,540,000 shares $8.41 million +4.5%N/A6.4 $3.31 6/15/20242,430,000 shares $9.06 million +3.4%N/A5.1 $3.73 5/31/20242,350,000 shares $9.07 million -0.4%N/A4.6 $3.86 5/15/20242,360,000 shares $9.84 million +1.7%N/A4.3 $4.17 4/30/20242,320,000 shares $9.14 million -1.7%4.0%4.1 $3.94 4/15/20242,360,000 shares $9.82 million +15.1%4.2%4 $4.16 3/31/20242,050,000 shares $6.70 million +12.0%3.6%3.5 $3.27 3/15/20241,830,000 shares $5.11 million -5.7%3.2%3.4 $2.79 2/29/20241,940,000 shares $7.02 million +0.5%3.4%2.2 $3.62 2/15/20241,930,000 shares $6.95 million -4.0%3.4%2 $3.60 1/31/20242,010,000 shares $6.29 million -8.6%3.6%1.7 $3.13 1/15/20242,200,000 shares $7.06 million -3.1%3.9%0.9 $3.21 12/31/20232,270,000 shares $7.97 million -36.1%4.0%0.8 $3.51 12/15/20233,550,000 shares $10.72 million +6.9%6.3%1.2 $3.02 11/30/20233,320,000 shares $9.20 million +5.1%5.9%1.3 $2.77 11/15/20233,160,000 shares $7.96 million -5.7%5.6%1.3 $2.52 10/31/20233,350,000 shares $5.73 million -49.7%6.0%1.4 $1.71 10/15/20236,660,000 shares $36.16 million +7.9%11.8%6.2 $5.43 9/30/20236,170,000 shares $41.22 million -4.3%11.0%11 $6.68 9/15/20236,450,000 shares $42.12 million +5.9%11.5%10 $6.53 8/31/20236,090,000 shares $45.43 million -3.9%10.7%5.5 $7.46 8/15/20236,340,000 shares $49.83 million -6.8%11.1%5.4 $7.86 7/31/20236,800,000 shares $55.18 million +9.3%12.0%5.7 $8.12 7/15/20236,220,000 shares $48.76 million -6.5%10.9%5 $7.84 6/30/20236,650,000 shares $55.79 million +111.1%11.7%5 $8.39 6/15/20233,150,000 shares $34.24 million -6.5%5.5%2.3 $10.87 5/31/20233,370,000 shares $31.98 million -9.4%5.9%3.6 $9.49 5/15/20233,720,000 shares $37.98 million +51.8%6.5%4.4 $10.21Trump’s Sending THIS Crypto Higher on Purpose (Ad)Discover the coin set to explode in 2025! Trump could trigger THIS crypto coin… YES, I WANT THE #1 CRYPTO NOW 4/30/20232,450,000 shares $23.35 million -6.5%4.3%3 $9.53 4/15/20232,620,000 shares $27.35 million -13.3%4.7%3.5 $10.44 3/31/20233,020,000 shares $29.99 million +45.2%5.4%4.6 $9.93 3/15/20232,080,000 shares $16.24 million +4.5%3.7%4.4 $7.81 2/28/20231,990,000 shares $13.45 million -9.1%3.6%5.2 $6.76 2/15/20232,190,000 shares $14.04 million +8.4%3.9%5.9 $6.41 1/31/20232,020,000 shares $11.92 million +19.5%3.6%5.7 $5.90 1/15/20231,690,000 shares $10.90 million -10.1%3.0%5 $6.45 12/30/20221,880,000 shares $13.08 million -0.5%3.4%5.3 $6.96 12/15/20221,890,000 shares $11.76 million -2.6%3.4%5.2 $6.22 11/30/20221,940,000 shares $10.86 million -3.0%3.5%5.3 $5.60 11/15/20222,000,000 shares $11.34 million -8.3%3.6%5.4 $5.67 10/31/20222,180,000 shares $11.90 million -4.0%3.9%5 $5.46 10/15/20222,270,000 shares $11.80 million -23.3%4.1%4.2 $5.20 9/30/20222,960,000 shares $15.81 million +12.6%5.3%4.2 $5.34 9/15/20222,630,000 shares $17.33 million -14.3%4.7%3.1 $6.59 8/31/20223,070,000 shares $21.61 million -2.2%5.5%3 $7.04 8/15/20223,140,000 shares $22.83 million +3.0%5.6%3 $7.27 7/31/20223,050,000 shares $15.37 million -9.8%5.5%2.8 $5.04 7/15/20223,380,000 shares $15.95 million +19.0%6.1%3.2 $4.72 6/30/20222,840,000 shares $11.33 million -29.2%5.1%3.1 $3.99 6/15/20224,010,000 shares $13.51 million +17.9%7.1%4.2 $3.37 5/31/20223,400,000 shares $10.51 million +17.2%6.1%3.8 $3.09 5/15/20222,900,000 shares $7.22 million -0.3%5.2%3.5 $2.49 4/30/20222,910,000 shares $8.93 million +8.2%5.2%3.3 $3.07 4/15/20222,690,000 shares $12.27 million +7.6%4.8%3.1 $4.56 3/31/20222,500,000 shares $11.13 million -19.4%4.5%2.7 $4.45 3/15/20223,100,000 shares $11.94 million -5.5%5.5%2.4 $3.85 2/28/20223,280,000 shares $13.25 million -13.2%5.8%2.6 $4.04 2/15/20223,780,000 shares $15.99 million +22.7%6.6%3 $4.23 1/31/20223,080,000 shares $11.30 million +19.8%5.4%2.5 $3.67 1/15/20222,570,000 shares $9.71 million +0.4%4.5%2.2 $3.78 12/31/20212,560,000 shares $10.24 million -24.3%4.5%2.3 $4.00 12/15/20213,380,000 shares $24.00 million -2.0%5.9%3.3 $7.10 11/30/20213,450,000 shares $26.46 million -0.9%6.1%5.6 $7.67 11/15/20213,480,000 shares $30.14 million -9.4%6.1%6.2 $8.66 10/29/20213,840,000 shares $34.94 million +2.7%6.8%6.7 $9.10 10/15/20213,740,000 shares $31.19 million -3.4%6.6%7.2 $8.34 9/30/20213,870,000 shares $33.98 million -11.4%6.8%6.8 $8.78 9/15/20214,370,000 shares $37.36 million -10.3%7.7%6.4 $8.55 8/31/20214,870,000 shares $46.22 million -12.1%8.6%6.9 $9.49 8/13/20215,540,000 shares $51.47 million -9.8%9.8%7.3 $9.29 7/30/20216,140,000 shares $54.65 million +5.9%10.8%7.7 $8.90 7/15/20215,800,000 shares $56.20 million -4.5%10.3%2.4 $9.69 6/30/20216,070,000 shares $68.77 million +42.2%10.8%2.5 $11.33 6/15/20214,270,000 shares $51.41 million -1.6%7.6%1.9 $12.04 5/28/20214,340,000 shares $54.34 million -9.8%7.7%1.9 $12.52 5/14/20214,810,000 shares $58.25 million -4.4%N/A2.1 $12.11 4/30/20215,030,000 shares $62.90 million +7.7%N/A2.1 $12.51 4/15/20214,670,000 shares $54.87 million -2.3%N/A5.4 $11.75Trump’s Sending THIS Crypto Higher on Purpose (Ad)Discover the coin set to explode in 2025! Trump could trigger THIS crypto coin… YES, I WANT THE #1 CRYPTO NOW 3/31/20214,780,000 shares $54.40 million +151.6%N/A4.1 $11.38 3/15/20211,900,000 shares $23.79 million +5.6%N/A1.6 $12.52 2/26/20211,800,000 shares $21.06 million +4.1%N/A1.6 $11.70 2/12/20211,730,000 shares $20.47 million -11.3%N/A1.6 $11.83 1/29/20211,950,000 shares $21.78 million -2.0%N/A2.1 $11.17 1/15/20211,990,000 shares $24.25 million -10.4%N/A2.4 $12.19 12/31/20202,220,000 shares $15.21 million +49.0%N/A3.5 $6.85 12/15/20201,490,000 shares $10.16 million -3.9%N/A3.1 $6.82 11/30/20201,550,000 shares $10.76 million -3.1%N/A3 $6.94 11/15/20201,600,000 shares $10.75 million +1.9%N/A3 $6.72 10/30/20201,570,000 shares $9.91 million -4.9%N/A2.7 $6.31 10/15/20201,650,000 shares $11.32 million -2.9%N/A2.4 $6.86 9/30/20201,700,000 shares $12.60 million +57.4%N/A2 $7.41 9/15/20201,080,000 shares $7.56 million +32.1%N/A1 $7.00 8/31/2020817,300 shares $5.34 million +30.8%N/A0.7 $6.53 8/14/2020624,700 shares $4.14 million -49.6%N/A0.5 $6.62 7/31/20201,240,000 shares $7.97 million +116.0%4.7%0.8 $6.43 7/15/2020574,100 shares $3.35 million -8.7%2.2%0.4 $5.83 6/30/2020629,100 shares $2.62 million -29.0%2.4%0.6 $4.17 6/15/2020886,600 shares $4.20 million +21.1%3.4%1.1 $4.74 5/29/2020732,200 shares $3.46 million +8.7%2.8%1 $4.72 5/15/2020673,400 shares $3.03 million +39.3%2.6%1.2 $4.50 4/30/2020483,600 shares $1.60 million +18.3%1.8%1.7 $3.31 4/15/2020408,900 shares $1.30 million +36.5%1.6%1.6 $3.17 3/31/2020299,500 shares $772,710.00 -24.5%1.2%1.3 $2.58 3/13/2020396,500 shares $935,740.00 -9.2%1.7%1.6 $2.36 2/28/2020436,600 shares $820,808.00 +12.2%1.9%2 $1.88 2/14/2020389,100 shares $1.18 million -25.4%1.6%1.4 $3.03 1/31/2020521,800 shares $2.16 million -12.2%2.2%1.9 $4.13 ALDX Short Interest - Frequently Asked Questions What is Aldeyra Therapeutics' current short interest? Short interest is the volume of Aldeyra Therapeutics shares that have been sold short but have not yet been covered or closed out. As of December 31st, investors have sold 3,840,000 shares of ALDX short. Learn More on Aldeyra Therapeutics' current short interest. What is a good short interest ratio for Aldeyra Therapeutics? 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. ALDX shares currently have a short interest ratio of 8.0. Learn More on Aldeyra Therapeutics's short interest ratio. Is Aldeyra Therapeutics' short interest increasing or decreasing? Aldeyra Therapeutics saw a increase in short interest during the month of December. As of December 31st, there was short interest totaling 3,840,000 shares, an increase of 8.2% from the previous total of 3,550,000 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 Aldeyra Therapeutics' short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to Aldeyra Therapeutics: Aurinia Pharmaceuticals Inc. (4.04%), ARS Pharmaceuticals, Inc. (26.76%), Innoviva, Inc. (16.76%), Enliven Therapeutics, Inc. (22.46%), Syndax Pharmaceuticals, Inc. (24.97%), Collegium Pharmaceutical, Inc. (19.22%), Spyre Therapeutics, Inc. (19.88%), OPKO Health, Inc. (29.53%), Bicycle Therapeutics plc (5.71%), Liquidia Co. (12.55%), 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. ($5.83 billion), Charter Communications, Inc. ($3.77 billion), Reddit, Inc. ($2.98 billion), The Kroger Co. ($2.97 billion), International Paper ($2.64 billion), SoFi Technologies, Inc. ($1.99 billion), Rivian Automotive, Inc. ($1.93 billion), Onsemi ($1.81 billion), SoundHound AI, Inc. ($1.59 billion), and Moderna, Inc. ($1.57 billion). View all of the most shorted stocks. What does it mean to sell short Aldeyra Therapeutics stock? Short selling ALDX is an investing strategy that aims to generate trading profit from Aldeyra Therapeutics as its price is falling. ALDX shares are trading up $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 Aldeyra Therapeutics? A short squeeze for Aldeyra Therapeutics 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 ALDX, which in turn drives the price of the stock up even further. How often is Aldeyra Therapeutics' 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 ALDX, twice per month. The most recent reporting period available is December, 31 2024. More Short Interest Resources from MarketBeat Related Companies Aurinia Pharmaceuticals Short Interest Data ARS Pharmaceuticals Short Interest Data Innoviva Short Interest Data Enliven Therapeutics Short Interest Data Syndax Pharmaceuticals Short Interest Data Collegium Pharmaceutical Short Interest Data Spyre Therapeutics Short Interest Data OPKO Health Short Interest Data Bicycle Therapeutics Short Interest Data Liquidia 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:ALDX) was last updated on 1/21/2025 by MarketBeat.com Staff From Our PartnersCollect $7k per month from Tesla’s SECRET dividendTesla doesn't pay a traditional dividend.... 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