Athira Pharma (ATHA) Short Interest Ratio & Short Volume $0.53 +0.01 (+0.95%) Closing price 01/30/2025 04:00 PM EasternExtended Trading$0.54 +0.00 (+0.19%) As of 01/30/2025 06:18 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 InterestTrends Athira Pharma Short Interest DataAthira Pharma (ATHA) has a short interest of 1.37 million shares, representing 3.87% of the float (the number of shares available for trading by the public). This marks a 17.09% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.3, indicating that it would take 0.3 days of the average trading volume of 211,201 shares to cover all short positions.Current Short Interest1,370,000 sharesPrevious Short Interest1,170,000 sharesChange Vs. Previous Month+17.09%Dollar Volume Sold Short$742,403.00Short Interest Ratio0.3 Days to CoverLast Record DateJanuary 15, 2025Outstanding Shares38,670,000 sharesFloat Size35,360,000 sharesShort Percent of Float3.87%Today's Trading Volume463,920 sharesAverage Trading Volume211,201 sharesToday's Volume Vs. Average220% Short Selling Athira Pharma? Sign up to receive the latest short interest report for Athira Pharma and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartATHA Short Interest Over TimeATHA Days to Cover Over TimeATHA Percentage of Float Shorted Over Time Athira Pharma Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 1/15/20251,370,000 shares $742,403.00 +17.1%3.9%0.3 $0.54 12/31/20241,170,000 shares $686,439.00 -17.6%3.3%0.3 $0.59 12/15/20241,420,000 shares $830,558.00 -21.6%4.0%0.3 $0.58 11/30/20241,810,000 shares $1.19 million -18.5%5.1%0.4 $0.66 11/15/20242,220,000 shares $1.49 million +43.2%6.2%0.4 $0.67 10/31/20241,550,000 shares $663,555.00 -0.6%4.4%0.3 $0.43 10/15/20241,560,000 shares $693,264.00 -0.6%4.4%1.9 $0.44 9/30/20241,570,000 shares $700,220.00 -4.9%4.4%2.1 $0.45 9/15/20241,650,000 shares $871,365.00 +66.2%4.7%2.3 $0.53 8/31/2024992,900 shares $3.07 million +0.2%2.8%1.7 $3.09 Get the Latest News and Ratings for ATHA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Athira Pharma and its competitors with MarketBeat's FREE daily newsletter. 8/15/2024990,700 shares $2.96 million +0.2%2.8%7.4 $2.99 7/31/2024989,200 shares $3.16 million -8.4%2.8%7.6 $3.19 7/15/20241,080,000 shares $3.63 million -1.8%3.1%7.5 $3.36 6/30/20241,100,000 shares $2.92 million +8.9%3.1%7 $2.65 6/15/20241,010,000 shares $2.57 million +13.6%2.9%5.8 $2.54 5/31/2024889,500 shares $2.33 million -3.7%2.5%3.4 $2.62 5/15/2024923,300 shares $2.04 million -12.1%2.6%3 $2.21 4/30/20241,050,000 shares $2.07 million +1.0%3.0%3.1 $1.97 4/15/20241,040,000 shares $2.14 million +3.0%2.9%2.9 $2.06 3/31/20241,010,000 shares $2.77 million +3.1%2.9%2.5 $2.74 3/15/2024979,300 shares $2.57 million +25.0%2.8%2.2 $2.62 2/29/2024783,600 shares $3.02 million +20.5%2.2%2 $3.85 2/15/2024650,300 shares $2.38 million -9.4%1.8%1.9 $3.66 1/31/2024717,600 shares $2.27 million +39.6%2.1%2.2 $3.17 1/15/2024513,900 shares $1.54 million +25.4%1.5%1.6 $3.00 12/31/2023409,900 shares $996,057.00 -16.6%1.2%1.4 $2.43 12/15/2023491,600 shares $1.14 million -1.6%1.4%2.3 $2.31 11/30/2023499,600 shares $719,424.00 +3.0%1.4%2.7 $1.44 11/15/2023484,900 shares $770,991.00 -8.8%1.4%2.9 $1.59 10/31/2023531,500 shares $829,140.00 -6.2%1.5%3.6 $1.56 10/15/2023566,700 shares $1.01 million -23.6%1.6%4 $1.79 9/30/2023741,900 shares $1.50 million -7.6%2.1%5.1 $2.02 9/15/2023803,300 shares $1.62 million -2.5%2.3%5.3 $2.02 8/31/2023823,500 shares $1.84 million -17.3%2.3%3.4 $2.23 8/15/2023996,000 shares $2.66 million -16.3%2.8%3.8 $2.67 7/31/20231,190,000 shares $3.47 million -3.3%3.4%4.7 $2.92 7/15/20231,230,000 shares $3.78 million +7.0%3.5%4.9 $3.07 6/30/20231,150,000 shares $3.39 million -46.0%3.3%4.4 $2.95 6/15/20232,130,000 shares $6.48 million +3.9%6.1%7.7 $3.04 5/31/20232,050,000 shares $5.68 million No Change5.8%9 $2.77Media Humiliated: Demo of Elon’s Tech Proves They’re Wrong (Ad)Elon Musk believes his new AI product will be worth an incredible $9 trillion. But the mainstream media is not buying it.Click here to watch this demo and decide for yourself. 5/15/20232,050,000 shares $5.88 million -5.5%5.8%9.6 $2.87 4/30/20232,170,000 shares $6.05 million -1.8%6.4%9.6 $2.79 4/15/20232,210,000 shares $5.68 million -9.4%6.5%8.3 $2.57 3/31/20232,440,000 shares $6.10 million +8.4%6.8%7.7 $2.50 3/15/20232,250,000 shares $6.05 million +9.8%N/A6.9 $2.69 2/28/20232,050,000 shares $6.31 million +5.7%5.5%6.3 $3.08 2/15/20231,940,000 shares $6.44 million +4.9%5.2%5.9 $3.32 1/31/20231,850,000 shares $7.47 million +20.9%5.0%5.6 $4.04 1/15/20231,530,000 shares $5.89 million No Change4.1%4.8 $3.85 12/30/20221,530,000 shares $4.85 million -1.9%4.1%5.5 $3.17 12/15/20221,560,000 shares $4.96 million -4.3%N/A5.9 $3.18 11/30/20221,630,000 shares $5.07 million -3.0%N/A6.4 $3.11 11/15/20221,680,000 shares $5.29 million -6.2%N/A6.9 $3.15 10/31/20221,790,000 shares $5.92 million -2.2%N/A7 $3.31 10/15/20221,830,000 shares $5.87 million +0.6%5.1%5.9 $3.21 9/30/20221,820,000 shares $5.41 million -2.2%5.1%5.6 $2.97 9/15/20221,860,000 shares $6.64 million +3.3%5.2%3.3 $3.57 8/31/20221,800,000 shares $6.08 million -1.1%5.0%1.9 $3.38 8/15/20221,820,000 shares $7.10 million +2.8%5.1%1.9 $3.90 7/31/20221,770,000 shares $6.16 million -12.8%5.1%1.8 $3.48 7/15/20222,030,000 shares $6.98 million -27.2%5.9%2.2 $3.44 6/30/20222,790,000 shares $8.51 million -11.2%8.0%3.1 $3.05 6/15/20223,140,000 shares $25.81 million +6.8%9.0%4.1 $8.22 5/31/20222,940,000 shares $26.70 million +1.4%8.5%10.1 $9.08 5/15/20222,900,000 shares $24.01 million +7.4%8.3%10 $8.28 4/30/20222,700,000 shares $27.78 million +20.0%7.8%9.7 $10.29 4/15/20222,250,000 shares $26.46 million -1.3%6.5%7.8 $11.76 3/31/20222,280,000 shares $30.78 million -17.1%6.6%7.7 $13.50 3/15/20222,750,000 shares $26.57 million +13.2%8.0%10.3 $9.66 2/28/20222,430,000 shares $22.26 million +3.0%7.0%8.4 $9.16 2/15/20222,360,000 shares $24.00 million +18.6%6.8%7.5 $10.17 1/31/20221,990,000 shares $20.50 million -2.9%6.3%5.5 $10.30 1/15/20222,050,000 shares $22.65 million +0.5%6.0%5 $11.05 12/31/20212,040,000 shares $26.58 million +15.3%6.0%4.6 $13.03 12/15/20211,770,000 shares $22.97 million -9.2%5.2%4.1 $12.98 11/30/20211,950,000 shares $26.29 million +28.3%5.7%4.4 $13.48 11/15/20211,520,000 shares $23.85 million +29.9%4.4%3.6 $15.69 10/29/20211,170,000 shares $15.29 million +9.4%3.4%2.9 $13.07 10/15/20211,070,000 shares $10.23 million -6.1%3.2%2.9 $9.56 9/30/20211,140,000 shares $10.69 million -15.6%3.4%2.8 $9.38 9/15/20211,350,000 shares $13.62 million +20.5%4.0%2.4 $10.09 8/31/20211,120,000 shares $11.86 million -9.7%3.3%0.9 $10.59 8/13/20211,240,000 shares $12.19 million -6.1%3.6%1 $9.83 7/30/20211,320,000 shares $12.69 million No Change4.0%1.1 $9.61 7/15/20211,320,000 shares $13.09 million +9.1%4.0%1.1 $9.92 6/30/20211,210,000 shares $12.39 million -28.4%3.6%1.1 $10.24 6/15/20211,690,000 shares $31.65 million +21.6%5.1%1.7 $18.73 5/28/20211,390,000 shares $27.72 million +53.8%4.2%4.6 $19.94 5/14/2021904,000 shares $16.34 million +7.1%2.7%3.3 $18.08 4/30/2021843,800 shares $16.22 million -27.9%2.5%2.8 $19.22Media Humiliated: Demo of Elon’s Tech Proves They’re Wrong (Ad)Elon Musk believes his new AI product will be worth an incredible $9 trillion. But the mainstream media is not buying it.Click here to watch this demo and decide for yourself. 4/15/20211,170,000 shares $20.46 million +25.6%3.5%3.1 $17.49 3/31/2021931,400 shares $15.74 million +16.3%2.8%2.3 $16.90 3/15/2021800,900 shares $17.27 million +26.4%2.5%1.8 $21.56 2/26/2021633,800 shares $13.24 million -4.4%2.0%1.5 $20.89 2/12/2021663,100 shares $14.87 million -17.9%2.0%1.7 $22.42 1/29/2021807,900 shares $17.14 million -13.8%2.5%2.2 $21.21 1/15/2021937,200 shares $25.11 million No Change3.0%2.7 $26.79 ATHA Short Interest - Frequently Asked Questions What is Athira Pharma's current short interest? Short interest is the volume of Athira Pharma shares that have been sold short but have not yet been covered or closed out. As of January 15th, traders have sold 1,370,000 shares of ATHA short. 3.87% of Athira Pharma's shares are currently sold short. Learn More on Athira Pharma's current short interest. What is a good short interest percentage for Athira Pharma? 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. 3.87% of Athira Pharma's floating shares are currently sold short. Is Athira Pharma's short interest increasing or decreasing? Athira Pharma saw a increase in short interest in January. As of January 15th, there was short interest totaling 1,370,000 shares, an increase of 17.1% from the previous total of 1,170,000 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. What is Athira Pharma's float size? Athira Pharma currently has issued a total of 38,670,000 shares. Some of Athira Pharma'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. Athira Pharma currently has a public float of 35,360,000 shares. How does Athira Pharma's short interest compare to its competitors? 3.87% of Athira Pharma's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Athira Pharma: Adagene Inc. (0.19%), Vistagen Therapeutics, Inc. (2.62%), bluebird bio, Inc. (25.10%), Skye Bioscience, Inc. (10.79%), Theratechnologies Inc. (0.20%), Assertio Holdings, Inc. (6.33%), Vigil Neuroscience, Inc. (3.80%), Tiziana Life Sciences Ltd (0.75%), Adlai Nortye Ltd. (0.01%), Galectin Therapeutics Inc. (18.88%), 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. ($4.18 billion), Charter Communications, Inc. ($3.91 billion), Reddit, Inc. ($3.16 billion), The Kroger Co. ($2.75 billion), International Paper ($2.57 billion), Cencora, Inc. ($2.06 billion), SoFi Technologies, Inc. ($2.06 billion), Rivian Automotive, Inc. ($2.00 billion), Live Nation Entertainment, Inc. ($1.63 billion), and Hims & Hers Health, Inc. ($1.57 billion). View all of the most shorted stocks. What does it mean to sell short Athira Pharma stock? Short selling ATHA is an investing strategy that aims to generate trading profit from Athira Pharma as its price is falling. ATHA shares are trading down $0.03 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 Athira Pharma? A short squeeze for Athira Pharma 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 ATHA, which in turn drives the price of the stock up even further. How often is Athira Pharma'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 ATHA, twice per month. The most recent reporting period available is January, 15 2025. More Short Interest Resources from MarketBeat Related Companies Adagene Short Interest Data Vistagen Therapeutics Short Interest Data bluebird bio Short Interest Data Skye Bioscience Short Interest Data Theratechnologies Short Interest Data Assertio Short Interest Data Vigil Neuroscience Short Interest Data Tiziana Life Sciences Short Interest Data Adlai Nortye Short Interest Data Galectin Therapeutics 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:ATHA) was last updated on 1/31/2025 by MarketBeat.com Staff From Our Partners Is Starlink Set For The Largest IPO In History?He turned PayPal from a tiny, off-the-radar startup… to a massive $64 billion giant. 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