Opthea (OPT) Short Interest Ratio & Short Volume $5.02 +0.03 (+0.60%) Closing price 02/21/2025 03:55 PM EasternExtended Trading$4.58 -0.44 (-8.86%) As of 02/21/2025 05:29 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 ForecastsChartCompetitorsFinancialsHeadlinesOwnershipSEC FilingsShort InterestTrends Opthea Short Interest DataOpthea (OPT) has a short interest of 420,100 shares. This marks a 196.89% increase in short interest from the previous month. The short interest ratio (days to cover) is 14.6, indicating that it would take 14.6 days of the average trading volume of 35,566 shares to cover all short positions.Current Short Interest420,100 sharesPrevious Short Interest141,500 sharesChange Vs. Previous Month+196.89%Dollar Volume Sold Short$2.34 millionShort Interest Ratio14.6 Days to CoverLast Record DateJanuary 31, 2025Outstanding Shares153,906,000 sharesPercentage of Shares Shorted0.27%Today's Trading Volume11,765 sharesAverage Trading Volume35,566 sharesToday's Volume Vs. Average33% Short Selling Opthea? Sign up to receive the latest short interest report for Opthea and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartOPT Short Interest Over TimeOPT Days to Cover Over TimeOPT Percentage of Float Shorted Over Time Opthea Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 1/31/2025420,100 shares $2.34 million +196.9%N/A14.6 $5.56 1/15/2025141,500 shares $507,985.00 +113.1%N/A5.2 $3.59 12/31/202466,400 shares $260,952.00 -2.6%N/A2.8 $3.93 12/15/202468,200 shares $221,650.00 -5.2%N/A2.4 $3.25 11/30/202471,900 shares $265,311.00 +9.6%N/A2.4 $3.69 11/15/202465,600 shares $215,168.00 -10.9%N/A2.2 $3.28 10/31/202473,600 shares $320,896.00 +2.7%N/A3 $4.36 10/15/202471,700 shares $352,047.00 +10.0%N/A3.1 $4.91 9/30/202465,200 shares $265,364.00 -6.9%N/A3.2 $4.07 9/15/202470,000 shares $220,521.00 -2.0%N/A4.3 $3.15 Get the Latest News and Ratings for OPT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Opthea and its competitors with MarketBeat's FREE daily newsletter. 8/31/202471,400 shares $220,311.84 +2.4%N/A4.4 $3.09 8/15/202469,700 shares $167,977.00 -6.9%N/A3.8 $2.41 7/31/202474,900 shares $170,023.00 -4.7%N/A3.1 $2.27 7/15/202478,600 shares $164,274.00 -4.4%N/A3.4 $2.09 6/30/202482,200 shares $158,646.00 +19.1%N/A3.7 $1.93 6/15/202469,000 shares $134,895.00 -3.1%N/A3.1 $1.96 5/31/202471,200 shares $202,208.00 -35.2%N/A3.4 $2.84 5/15/2024109,800 shares $393,084.00 -13.2%N/A4.9 $3.58 4/30/2024126,500 shares $433,895.00 +3.2%N/A5.8 $3.43 4/15/2024122,600 shares $436,456.00 -3.7%N/A5.6 $3.56 3/31/2024127,300 shares $523,203.00 -5.8%N/A4.9 $4.11 3/15/2024135,100 shares $466,095.00 +8.9%N/A3.4 $3.45 2/29/2024124,100 shares $434,350.00 -21.1%N/A3.4 $3.50 2/15/2024157,200 shares $452,736.00 +26.4%N/A4.4 $2.88 1/31/2024124,400 shares $337,124.00 +8.2%N/A4 $2.71 1/15/2024115,000 shares $332,350.00 -23.5%N/A4.4 $2.89 12/31/2023150,300 shares $443,385.00 +70.4%N/A6.8 $2.95 12/15/202388,200 shares $222,264.00 -4.2%N/A4.7 $2.52 11/30/202392,100 shares $236,697.00 +2.6%N/A9.6 $2.57 11/15/202389,800 shares $154,456.00 -0.8%N/A7.4 $1.72 10/31/202390,500 shares $152,492.50 -14.0%N/A7.1 $1.69 10/15/2023105,200 shares $190,938.00 +1.4%N/A8 $1.82 9/30/2023103,800 shares $180,819.60 -1.2%N/A8 $1.74 9/15/2023105,100 shares $218,608.00 -7.2%N/A8.1 $2.08 8/31/2023113,200 shares $266,020.00 +38.7%N/A10.1 $2.35 8/15/202381,600 shares $236,640.00 +1.9%N/A10.5 $2.90 7/31/202380,100 shares $250,713.00 +0.8%N/A10.3 $3.13 7/15/202379,500 shares $258,375.00 +4.3%N/A9.9 $3.25 6/30/202376,200 shares $213,360.00 -8.7%N/A8.9 $2.80 6/15/202383,500 shares $263,025.00 +8.2%N/A7.9 $3.15This Crypto Is Set to Explode in February (Ad)It's a groundbreaking opportunity that could be poised for extraordinary gains. The catalyst behind this surge is a massive new blockchain development…YES, I WANT THE #1 CRYPTO NOW 5/31/202377,200 shares $240,092.00 +0.3%N/A9.4 $3.11 5/15/202377,000 shares $280,280.00 +6.7%N/A8.9 $3.64 4/30/202372,200 shares $304,323.00 -2.3%N/A9.8 $4.22 4/15/202373,900 shares $245,348.00 -6.6%N/A11.4 $3.32 3/31/202379,100 shares $312,445.00 +3.4%N/A14.9 $3.95 3/15/202376,500 shares $373,320.00 +3.7%N/A36.4 $4.88 2/28/202373,800 shares $333,945.00 +0.8%N/A36.9 $4.53 2/15/202373,200 shares $359,412.00 -1.1%N/A45.8 $4.91 1/31/202374,000 shares $412,180.00 -2.3%N/A74 $5.57 1/15/202375,700 shares $375,358.45 -3.6%N/A108.1 $4.96 12/30/202278,500 shares $420,760.00 +2.2%N/A98.1 $5.36 12/15/202276,800 shares $396,456.96 -3.4%N/A69.8 $5.16 11/30/202279,500 shares $397,500.00 -1.1%N/A72.3 $5.00 11/15/202280,400 shares $439,667.40 -5.4%N/A40.2 $5.47 10/31/202285,000 shares $414,800.00 -1.4%N/A38.6 $4.88 10/15/202286,200 shares $391,960.02 -2.2%N/A39.2 $4.55 9/30/202288,100 shares $546,220.00 +3.2%N/A38.3 $6.20 9/15/202285,400 shares $495,320.00 +5.7%N/A37.1 $5.80 8/31/202280,800 shares $492,880.00 -1.1%N/A31.1 $6.10 8/15/202281,700 shares $564,547.00 -0.7%N/A26.4 $6.91 7/31/202282,300 shares $559,640.00 -2.5%N/A24.9 $6.80 7/15/202284,400 shares $539,738.00 +8.2%N/A22.8 $6.40 6/30/202278,000 shares $491,400.00 +5.8%N/A21.7 $6.30 6/15/202273,700 shares $405,350.00 -4.8%N/A18.4 $5.50 5/31/202277,400 shares $602,172.00 +48.3%N/A17.6 $7.78 5/15/202252,200 shares $338,256.00 -4.4%N/A12.4 $6.48 4/30/202254,600 shares $315,042.00 +4.2%N/A14.4 $5.77 4/15/202252,400 shares $311,785.24 -1.0%N/A9.9 $5.95 3/31/202252,900 shares $344,908.00 +41.8%N/A9.4 $6.52 3/15/202237,300 shares $190,230.00 -14.7%N/A6.4 $5.10 2/28/202243,700 shares $246,905.00 -4.0%N/A6.9 $5.65 2/15/202245,500 shares $283,920.00 -38.4%N/A7 $6.24 1/31/202273,900 shares $485,523.00 -87.2%N/A9.2 $6.57 1/15/2022576,800 shares $4.35 million +704.5%N/A88.7 $7.55 12/31/202171,700 shares $541,335.00 -10.8%N/A9.4 $7.55 12/15/202180,400 shares $567,624.00 -19.1%N/A9.6 $7.06 11/30/202199,400 shares $654,052.00 -4.3%N/A11.6 $6.58 11/15/2021103,900 shares $748,080.00 +6.7%N/A10.1 $7.20 10/29/202197,400 shares $735,370.00 -36.8%N/A7.9 $7.55 10/15/2021154,000 shares $1.19 million +15.1%N/A10.3 $7.72 9/30/2021133,800 shares $1.07 million -5.6%N/A8 $8.00 9/15/2021141,700 shares $1.09 million +4.1%N/A6.8 $7.70 8/31/2021136,100 shares $1.02 million -0.4%N/A1.2 $7.51 8/13/2021136,600 shares $980,788.00 +11.2%N/A1.2 $7.18 7/30/2021122,800 shares $808,024.00 -18.8%N/A1.1 $6.58 7/15/2021151,300 shares $1.13 million -0.3%N/A1.4 $7.49 6/30/2021151,800 shares $1.21 million +95.9%N/A1.4 $7.94 6/15/202177,500 shares $666,500.00 -8.5%N/A0.8 $8.60 5/28/202184,700 shares $775,005.00 +20.5%N/A12.6 $9.15 5/14/202170,300 shares $564,509.00 -0.1%N/A7.9 $8.03This Crypto Is Set to Explode in February (Ad)It's a groundbreaking opportunity that could be poised for extraordinary gains. The catalyst behind this surge is a massive new blockchain development…YES, I WANT THE #1 CRYPTO NOW 4/30/202170,400 shares $649,792.00 -0.7%N/A7.3 $9.23 4/15/202170,900 shares $684,185.00 +10.3%N/A5.7 $9.65 3/31/202164,300 shares $572,270.00 -15.5%N/A5 $8.90 3/15/202176,100 shares $747,302.00 +61.2%N/A5.3 $9.82 2/26/202147,200 shares $472,472.00 +128.0%N/A2.6 $10.01 2/12/202120,700 shares $234,117.00 -47.5%N/A1.2 $11.31 1/29/202139,400 shares $470,830.00 +6.2%N/A2.2 $11.95 1/15/202137,100 shares $473,396.00 No ChangeN/A1.6 $12.76 OPT Short Interest - Frequently Asked Questions What is Opthea's current short interest? Short interest is the volume of Opthea shares that have been sold short but have not yet been closed out or covered. As of January 31st, traders have sold 420,100 shares of OPT short. Learn More on Opthea's current short interest. What is a good short interest ratio for Opthea? 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. OPT shares currently have a short interest ratio of 15.0. Learn More on Opthea's short interest ratio. Is Opthea's short interest increasing or decreasing? Opthea saw a increase in short interest in the month of January. As of January 31st, there was short interest totaling 420,100 shares, an increase of 196.9% from the previous total of 141,500 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. How does Opthea's short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Opthea: Denali Therapeutics Inc. (6.21%), Zai Lab Limited (7.05%), Xenon Pharmaceuticals Inc. (4.62%), Recursion Pharmaceuticals, Inc. (19.74%), Twist Bioscience Co. (14.48%), Vericel Co. (7.62%), MoonLake Immunotherapeutics (14.57%), Merus (11.22%), Catalyst Pharmaceuticals, Inc. (4.49%), Edgewise Therapeutics, Inc. (11.31%), 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. ($5.21 billion), Charter Communications, Inc. ($4.07 billion), Reddit, Inc. ($3.33 billion), The Kroger Co. ($2.67 billion), Cencora, Inc. ($2.29 billion), Hims & Hers Health, Inc. ($2.17 billion), SoFi Technologies, Inc. ($1.99 billion), Live Nation Entertainment, Inc. ($1.87 billion), Rivian Automotive, Inc. ($1.76 billion), and Moderna, Inc. ($1.60 billion). View all of the most shorted stocks. What does it mean to sell short Opthea stock? Short selling OPT is an investing strategy that aims to generate trading profit from Opthea as its price is falling. OPT shares are trading up $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 Opthea? A short squeeze for Opthea 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 OPT, which in turn drives the price of the stock up even further. How often is Opthea'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 OPT, twice per month. The most recent reporting period available is January, 31 2025. 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