Glaukos (GKOS) Short Interest Ratio & Short Volume $107.34 -0.27 (-0.25%) As of 11:05 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Glaukos Short Interest DataGlaukos (GKOS) has a short interest of 3.54 million shares, representing 6.86% of the float (the number of shares available for trading by the public). This marks a 1.72% increase in short interest from the previous month. The short interest ratio (days to cover) is 4.5, indicating that it would take 4.5 days of the average trading volume of 586,428 shares to cover all short positions.Current Short Interest3,540,000 sharesPrevious Short Interest3,480,000 sharesChange Vs. Previous Month+1.72%Dollar Volume Sold Short$424.34 millionShort Interest Ratio4.5 Days to CoverLast Record DateFebruary 28, 2025Outstanding Shares56,567,000 sharesShort Percent of Float6.86%Today's Trading Volume65,038 sharesAverage Trading Volume586,428 sharesToday's Volume Vs. Average11% Short Selling Glaukos? Sign up to receive the latest short interest report for Glaukos and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartGKOS Short Interest Over TimeGKOS Days to Cover Over TimeGKOS Percentage of Float Shorted Over Time Remove Ads Glaukos Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 2/28/20253,540,000 shares $424.34 million +1.7%6.9%4.5 $119.87 2/15/20253,480,000 shares $532.63 million +3.6%6.7%5.2 $153.06 1/31/20253,360,000 shares $526.21 million +4.0%N/A6.1 $156.61 1/15/20253,230,000 shares $484.02 million +6.3%N/A5.6 $149.85 12/31/20243,040,000 shares $455.82 million +18.3%N/A5.4 $149.94 12/15/20242,570,000 shares $357.05 million -3.4%N/A4.9 $138.93 11/30/20242,660,000 shares $382.11 million -5.3%N/A5.1 $143.65 11/15/20242,810,000 shares $388.96 million +6.4%N/A5.3 $138.42 10/31/20242,640,000 shares $349.43 million +10.9%N/A5 $132.36 10/15/20242,380,000 shares $303.69 million -24.4%N/A4.6 $127.60 Get the Latest News and Ratings for GKOS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Glaukos and its competitors with MarketBeat's FREE daily newsletter. 9/30/20243,150,000 shares $410.10 million +25.0%N/A5.8 $130.19 9/15/20242,520,000 shares $318.23 million -2.0%N/A4.3 $126.28 8/31/20242,570,000 shares $344.10 million +0.4%N/A4.6 $133.89 8/15/20242,560,000 shares $320.41 million -1.2%N/A4.7 $125.16 7/31/20242,590,000 shares $303.50 million +7.0%N/A4.8 $117.18 7/15/20242,420,000 shares $298.41 million -5.8%N/A4.8 $123.31 6/30/20242,570,000 shares $304.16 million -19.9%N/A5.3 $118.35 6/15/20243,210,000 shares $361.45 million No ChangeN/A6.7 $112.60 5/31/20243,210,000 shares $361.80 million -1.2%N/A7 $112.71 5/15/20243,250,000 shares $361.92 million -7.4%N/A6.6 $111.36 4/30/20243,510,000 shares $337.17 million +6.7%N/A6.8 $96.06 4/15/20243,290,000 shares $318.49 million -5.7%N/A4.9 $96.81 3/31/20243,490,000 shares $329.07 million -4.6%N/A4.9 $94.29 3/15/20243,660,000 shares $312.89 million -0.8%N/A5.1 $85.49 2/29/20243,690,000 shares $326.97 million +1.7%N/A4.5 $88.61 2/15/20243,630,000 shares $348.95 million -8.6%N/A4.4 $96.13 1/31/20243,970,000 shares $353.37 million -47.4%N/A4.8 $89.01 1/15/20247,550,000 shares $668.10 million +3.4%19.5%9.1 $88.49 12/31/20237,300,000 shares $580.28 million +3.0%N/A10.7 $79.49 12/15/20237,090,000 shares $577.41 million +2.2%N/A10.5 $81.44 11/30/20236,940,000 shares $443.54 million +3.7%N/A13 $63.91 11/15/20236,690,000 shares $439.53 million +7.4%N/A13.6 $65.70 10/31/20236,230,000 shares $424.89 million +1.8%N/A13 $68.20 10/15/20236,120,000 shares $401.41 million -8.0%N/A13.9 $65.59 9/30/20236,650,000 shares $500.41 million +0.8%N/A14.3 $75.25 9/15/20236,600,000 shares $495.83 million +1.9%N/A15.1 $75.13 8/31/20236,480,000 shares $486.91 million +9.6%N/A14 $75.14 8/15/20235,910,000 shares $443.43 million +2.1%N/A11.6 $75.03 7/31/20235,790,000 shares $446.58 million -1.0%N/A10.9 $77.13 7/15/20235,850,000 shares $462.68 million -1.4%12.7%11.7 $79.09Wall Street's Algorithms Are Making One-Sided Trades (Here's How to Spot Them) (Ad)Have you noticed how certain stocks move in unnaturally straight lines lately? I watched CAKE last week steadily decline day after day in an almost perfect downward channel.Click here to discover how the Genesis Cog works in falling markets 6/30/20235,930,000 shares $422.28 million +2.2%12.9%13.4 $71.21 6/15/20235,800,000 shares $391.44 million +4.3%12.6%13.1 $67.49 5/31/20235,560,000 shares $316.92 million +1.5%12.1%12.9 $57.00 5/15/20235,480,000 shares $328.31 million +7.7%11.9%13.4 $59.91 4/30/20235,090,000 shares $241.83 million +1.0%11.0%12.6 $47.51 4/15/20235,040,000 shares $245.25 million -1.0%11.0%13.1 $48.66 3/31/20235,090,000 shares $255.01 million +5.0%11.1%12.6 $50.10 3/15/20234,850,000 shares $233.62 million +2.8%10.6%12 $48.17 2/28/20234,720,000 shares $222.93 million +5.6%10.3%11.8 $47.23 2/15/20234,470,000 shares $233.51 million +0.5%9.8%11.7 $52.24 1/31/20234,450,000 shares $218.27 million -0.5%9.8%11.8 $49.05 1/15/20234,470,000 shares $219.97 million +2.3%9.8%11.7 $49.21 12/30/20224,370,000 shares $190.88 million +5.3%9.6%11.3 $43.68 12/15/20224,150,000 shares $179.78 million +0.7%9.1%10.8 $43.32 11/30/20224,120,000 shares $191.87 million +0.5%9.0%9.4 $46.57 11/15/20224,100,000 shares $207.87 million -1.7%9.0%8.1 $50.70 10/31/20224,170,000 shares $233.81 million +0.2%9.1%7.9 $56.07 10/15/20224,160,000 shares $223.72 million +5.3%9.1%7.7 $53.78 9/30/20223,950,000 shares $210.30 million +4.0%8.7%7 $53.24 9/15/20223,800,000 shares $215.99 million +49.0%8.4%6.7 $56.84 8/31/20222,550,000 shares $123.80 million +58.4%5.6%4.7 $48.55 8/15/20221,610,000 shares $84.90 million No Change3.5%3.7 $52.73 7/31/20221,610,000 shares $86.70 million +1.9%3.6%3.4 $53.85 7/15/20221,580,000 shares $79.66 million -14.6%3.5%3.2 $50.42 6/30/20221,850,000 shares $84.03 million +12.8%4.1%3.7 $45.42 6/15/20221,640,000 shares $72.31 million +5.1%3.7%3.3 $44.09 5/31/20221,560,000 shares $63.69 million -13.3%3.5%3.3 $40.83 5/15/20221,800,000 shares $69.53 million -9.1%4.0%3.7 $38.63 4/30/20221,980,000 shares $93.63 million -4.4%4.4%4.4 $47.29 4/15/20222,070,000 shares $126.23 million +39.9%4.6%5 $60.98 3/31/20221,480,000 shares $85.57 million -15.4%3.3%3.3 $57.82 3/15/20221,750,000 shares $86.59 million -1.7%3.9%4 $49.48 2/28/20221,780,000 shares $98.45 million -2.2%4.0%3.8 $55.31 2/15/20221,820,000 shares $101.01 million +1.1%4.1%3.7 $55.50 1/31/20221,800,000 shares $95.83 million +21.6%4.0%3.5 $53.24 1/15/20221,480,000 shares $79.48 million +20.3%3.3%2.7 $53.70 12/31/20211,230,000 shares $54.66 million +4.2%2.8%2.1 $44.44 12/15/20211,180,000 shares $51.93 million -9.9%2.6%2 $44.01 11/30/20211,310,000 shares $56.37 million -10.9%2.9%2.2 $43.03 11/15/20211,470,000 shares $72.03 million +1.4%3.3%2.4 $49.00 10/29/20211,450,000 shares $66.28 million +7.4%3.3%2.4 $45.71 10/15/20211,350,000 shares $60.51 million -31.5%3.0%2.3 $44.82 9/30/20211,970,000 shares $94.89 million -4.8%4.4%2.7 $48.17 9/15/20212,070,000 shares $107.18 million -9.6%4.7%3.1 $51.78 8/31/20212,290,000 shares $136.55 million +12.8%5.2%3.8 $59.63 8/13/20212,030,000 shares $99.39 million -25.6%4.6%3.6 $48.96 7/30/20212,730,000 shares $139.23 million -32.6%6.1%4.9 $51.00 7/15/20214,050,000 shares $226.92 million +7.7%9.1%8 $56.03 6/30/20213,760,000 shares $318.96 million +0.5%8.5%11.3 $84.83 6/15/20213,740,000 shares $299.27 million +0.3%8.4%10.5 $80.02Wall Street's Algorithms Are Making One-Sided Trades (Here's How to Spot Them) (Ad)Have you noticed how certain stocks move in unnaturally straight lines lately? I watched CAKE last week steadily decline day after day in an almost perfect downward channel.Click here to discover how the Genesis Cog works in falling markets 5/28/20213,730,000 shares $274.45 million -7.0%8.4%10 $73.58 5/14/20214,010,000 shares $298.26 million -4.8%N/A10.1 $74.38 4/30/20214,210,000 shares $400.12 million -3.9%N/A10.4 $95.04 4/15/20214,380,000 shares $369.98 million +3.3%N/A10.8 $84.47 3/31/20214,240,000 shares $358.20 million -1.4%N/A9.7 $84.48 3/15/20214,300,000 shares $382.06 million +1.2%N/A10.1 $88.85 2/26/20214,250,000 shares $391.47 million +2.4%N/A9.8 $92.11 2/12/20214,150,000 shares $395.50 million -0.7%N/A9.9 $95.30 1/29/20214,180,000 shares $378.88 million -3.0%N/A9.3 $90.64 1/15/20214,310,000 shares $373.72 million -6.1%N/A8.8 $86.71 12/31/20204,590,000 shares $343.29 million +0.4%N/A9.6 $74.79 12/15/20204,570,000 shares $310.81 million -4.0%N/A9.2 $68.01 11/30/20204,760,000 shares $323.54 million -4.6%N/A8.8 $67.97 11/15/20204,990,000 shares $332.38 million -12.8%N/A8.6 $66.61 10/30/20205,720,000 shares $328.27 million -8.6%N/A10.2 $57.39 10/15/20206,260,000 shares $143.92 million -6.0%N/A11.6 $22.99 9/30/20206,660,000 shares $153.11 million -0.9%N/A12 $22.99 9/15/20206,720,000 shares $154.49 million +5.2%N/A11.6 $22.99 8/31/20206,390,000 shares $146.91 million -4.1%N/A10.9 $22.99 8/14/20206,660,000 shares $153.11 million -2.2%N/A10.6 $22.99 7/31/20206,810,000 shares $156.56 million No ChangeN/A9.9 $22.99 7/15/20206,810,000 shares $156.56 million +4.5%N/A9.5 $22.99 6/30/20206,520,000 shares $149.89 million +9.2%N/A9.2 $22.99 6/15/20205,970,000 shares $137.25 million +0.2%N/A8.1 $22.99 5/29/20205,960,000 shares $137.02 million +20.2%N/A6 $22.99 5/15/20204,960,000 shares $114.03 million -1.2%N/A4.7 $22.99 4/30/20205,020,000 shares $184.18 million +1.2%N/A4.9 $36.69 4/15/20204,960,000 shares $166.01 million +7.8%N/A5.2 $33.47 3/31/20204,600,000 shares $161.32 million +0.7%N/A5 $35.07 GKOS Short Interest - Frequently Asked Questions What is Glaukos' current short interest? Short interest is the volume of Glaukos shares that have been sold short but have not yet been closed out or covered. As of February 28th, investors have sold 3,540,000 shares of GKOS short. 6.86% of Glaukos' shares are currently sold short. Learn More on Glaukos' current short interest. What is a good short interest ratio for Glaukos? 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. GKOS shares currently have a short interest ratio of 4.0. Learn More on Glaukos's short interest ratio. Which institutional investors are shorting Glaukos? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Glaukos: Wolverine Trading LLC, Summit Partners Public Asset Management LLC, Group One Trading LLC, Citadel Advisors LLC, Ameriprise Financial Inc., Jane Street Group LLC, Concourse Financial Group Securities Inc., PEAK6 LLC, Walleye Trading LLC, Walleye Capital LLC, JPMorgan Chase & Co., and Twin Tree Management LP. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Glaukos? 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. 6.86% of Glaukos' floating shares are currently sold short. Is Glaukos' short interest increasing or decreasing? Glaukos saw a increase in short interest in the month of February. As of February 28th, there was short interest totaling 3,540,000 shares, an increase of 1.7% from the previous total of 3,480,000 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 Glaukos' short interest compare to its competitors? 6.86% of Glaukos' shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to Glaukos: Zimmer Biomet Holdings, Inc. (3.55%), Solventum Co. (3.10%), Smith & Nephew plc (0.37%), Penumbra, Inc. (3.72%), Stevanato Group S.p.A. (7.08%), Bausch + Lomb Co. (5.17%), Inspire Medical Systems, Inc. (11.04%), Inari Medical, Inc. (4.24%), iRhythm Technologies, Inc. (9.49%), PROCEPT BioRobotics Co. (9.80%), 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 ($23.74 billion), iShares 20+ Year Treasury Bond ETF ($10.75 billion), MicroStrategy Incorporated ($6.56 billion), Apollo Global Management, Inc. ($5.40 billion), Charter Communications, Inc. ($4.57 billion), AppLovin Co. ($4.45 billion), Capital One Financial Co. ($4.33 billion), Super Micro Computer, Inc. ($4.23 billion), Schlumberger Limited ($3.22 billion), and Royal Caribbean Cruises Ltd. ($3.06 billion). View all of the most shorted stocks. What does it mean to sell short Glaukos stock? Short selling GKOS is an investing strategy that aims to generate trading profit from Glaukos as its price is falling. GKOS shares are trading down $0.27 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 Glaukos? A short squeeze for Glaukos 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 GKOS, which in turn drives the price of the stock up even further. How often is Glaukos' 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 GKOS, twice per month. The most recent reporting period available is February, 28 2025. More Short Interest Resources from MarketBeat Related Companies Zimmer Biomet Short Interest Solventum Short Interest Smith & Nephew Short Interest Penumbra Short Interest Stevanato Group Short Interest Bausch + Lomb Short Interest Inspire Medical Systems Short Interest Inari Medical Short Interest iRhythm Technologies Short Interest PROCEPT BioRobotics Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:GKOS) was last updated on 3/25/2025 by MarketBeat.com Staff From Our PartnersA brutally honest economic warning for 2025 (see proof)New York Times best-selling financial author and world-renowned economist Addison Wiggin (a man who’s worked s...Banyan Hill Publishing | Sponsored$2 Trillion Disappears Because of Fed's Secretive New Move$2 trillion has disappeared from the US government's books. 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