OpGen (OPGN) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsSEC FilingsShort InterestTrendsBuy This Stock OpGen Short Interest DataOpGen (OPGN) has a short interest of 400 shares, representing 0.01% of the float (the number of shares available for trading by the public). This marks a 0.00% change in short interest from the previous month. The short interest ratio (days to cover) is 0.6, indicating that it would take 0.6 days of the average trading volume of 1,028 shares to cover all short positions.Current Short Interest400 sharesPrevious Short Interest400 sharesChange Vs. Previous MonthNo ChangeDollar Volume Sold Short$15.72Short Interest Ratio0.6 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares10,071,000 sharesShort Percent of Float0.01%Today's Trading Volume33 sharesAverage Trading Volume1,028 sharesToday's Volume Vs. Average3% Short Selling OpGen? 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartOPGN Short Interest Over TimeOPGN Days to Cover Over TimeOPGN Percentage of Float Shorted Over Time OpGen Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025400 shares $15.72 No Change0.0%0.6 $0.04 7/15/2025400 shares $1.62 thousand -60.0%N/A0.1 $4.05 6/30/20251,000 shares $4.78 thousand -44.4%0.0%0.1 $4.78 6/15/20251,800 shares $8.89 thousand -28.0%0.0%0.2 $4.94 5/31/20252,500 shares $11.75 thousand -30.6%0.1%0.2 $4.70 5/15/20253,600 shares $16.92 thousand +80.0%N/A0.1 $4.70 4/30/20252,000 shares $9.96 thousand -46.0%N/A0 $4.98 4/15/20253,700 shares $15.17 thousand -38.3%N/A0.1 $4.10 3/14/2025500 shares $650.00 +400.0%N/A0.1 $1.30 2/14/20253,900 shares $5.38 thousand +2.6%N/A1.9 $1.38 Get the Latest News and Ratings for OPGN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for OpGen and its competitors with MarketBeat's FREE daily newsletter. 1/31/20253,800 shares $3.59 thousand +660.0%N/A0.4 $0.94 1/15/2025500 shares $450.00 +400.0%N/A0 $0.90 8/15/202415,800 shares $35.55 thousand +17.9%0.2%0.6 $2.25 7/31/202413,400 shares $39.93 thousand +3.9%1.0%0.6 $2.98 7/15/202412,900 shares $39.47 thousand -58.5%1.0%0.5 $3.06 6/30/202431,100 shares $80.24 thousand +1.3%2.4%1 $2.58 6/15/202430,700 shares $76.75 thousand -17.5%2.4%0.2 $2.50 5/31/202437,200 shares $113.83 thousand +376.9%2.9%0.2 $3.06 5/15/20247,800 shares $34.27 thousand -95.9%0.6%0 $4.39 4/30/2024191,400 shares $77.13 thousand +16.6%1.6%0.1 $0.40 4/15/2024164,100 shares $107.98 thousand -92.6%1.4%0.1 $0.66 3/31/20242,230,000 shares $1.55 million +10,621.2%22.4%1.3 $0.70 3/15/202420,800 shares $10.00 thousand -47.3%0.2%0 $0.48 2/29/202439,500 shares $18.87 thousand -11.4%0.4%0.2 $0.48 2/15/202444,600 shares $20.52 thousand +88.2%0.5%0.2 $0.46 1/31/202423,700 shares $8.03 thousand -23.8%0.2%0.1 $0.34 1/15/202431,100 shares $12.60 thousand +19.2%0.3%0.1 $0.41 12/31/202326,100 shares $10.96 thousand -62.1%0.3%0 $0.42 12/15/202368,900 shares $25.49 thousand +302.9%0.7%0 $0.37 11/30/202317,100 shares $7.09 thousand -84.9%0.2%0 $0.41 11/15/2023113,100 shares $54.29 thousand -70.2%1.1%0 $0.48 10/31/2023379,900 shares $250.54 thousand -60.1%4.3%0.1 $0.66 10/15/2023952,800 shares $783.20 thousand +281.6%10.8%0.2 $0.82 9/30/2023249,700 shares $100.03 thousand -7.3%2.8%0.1 $0.40 9/15/2023269,300 shares $61.40 thousand -1.8%3.0%0.7 $0.23 8/31/2023274,300 shares $52.12 thousand +63.3%3.1%0.7 $0.19 8/15/2023168,000 shares $37.82 thousand +123.1%1.9%0.5 $0.23 7/31/202375,300 shares $45.26 thousand -56.0%1.1%0.6 $0.60 7/15/2023171,200 shares $141.65 thousand -47.7%2.8%0.8 $0.83 6/30/2023327,400 shares $266.80 thousand -20.2%5.4%1.4 $0.81Everyone’s watching Nvidia right now. Here’s why I’m excited. (Ad)So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal with Saudi Arabia to power its new AI empire 🤯 We’re talking about hundreds of thousands of chips, including their latest Grace Blackwell supercomputer.🎯 Click here to watch the video and get the free ticker XGPT just flagged. 6/15/2023410,100 shares $250.20 thousand +52.5%6.8%1.5 $0.61 5/31/2023268,900 shares $202.11 thousand +16.7%4.4%0.7 $0.75 5/15/2023230,500 shares $161.35 thousand +11.8%3.8%0.6 $0.70 4/30/2023206,100 shares $163.71 thousand +127.0%3.8%0.4 $0.79 4/15/202390,800 shares $103.51 thousand -70.1%1.7%0.2 $1.14 3/31/2023303,400 shares $403.52 thousand -44.4%5.6%0.7 $1.33 3/15/2023545,300 shares $714.34 thousand +272.5%10.0%1.2 $1.31 2/28/2023146,400 shares $152.26 thousand +27.6%5.5%0.3 $1.04 2/15/2023114,700 shares $123.88 thousand -27.6%4.3%0.2 $1.08 1/31/2023158,500 shares $288.47 thousand +17.0%5.9%0.4 $1.82 1/15/2023135,500 shares $352.30 thousand -47.5%5.1%0.5 $2.60 12/30/2022258,100 shares $36.39 thousand -95.3%9.7%0.9 $0.14 12/15/20225,440,000 shares $865.50 thousand +1,238.6%N/A1.2 $0.16 11/30/2022406,400 shares $80.47 thousand +2.0%N/A1.1 $0.20 11/15/2022398,600 shares $87.69 thousand -0.2%N/A1.2 $0.22 10/31/2022399,200 shares $75.85 thousand +117.7%N/A1.2 $0.19 10/15/2022183,400 shares $34.85 thousand -33.7%N/A0.5 $0.19 9/30/2022276,500 shares $79.13 thousand -4.3%N/A0.8 $0.29 9/15/2022288,800 shares $124.18 thousand +3.8%N/A1 $0.43 8/31/2022278,200 shares $129.61 thousand -48.7%N/A0.9 $0.47 8/15/2022541,900 shares $318.31 thousand -35.6%N/A1.3 $0.59 7/31/2022841,000 shares $412.09 thousand -5.9%N/A1.8 $0.49 7/15/2022893,600 shares $491.48 thousand -7.0%N/A2.2 $0.55 6/30/2022961,100 shares $524.28 thousand -2.8%N/A2.1 $0.55 6/15/2022988,800 shares $524.86 thousand -20.3%N/A2.1 $0.53 5/31/20221,240,000 shares $855.60 thousand +13.8%N/A2.6 $0.69 5/15/20221,090,000 shares $377.14 thousand -7.6%N/A2.9 $0.35 4/30/20221,180,000 shares $617.14 thousand +1.7%N/A4 $0.52 4/15/20221,160,000 shares $881.48 thousand -0.9%N/A4 $0.76 3/31/20221,170,000 shares $877.62 thousand +211.3%N/A4.1 $0.75 3/15/2022375,800 shares $308.53 thousand -11.0%N/A0.8 $0.82 2/28/2022422,400 shares $346.37 thousand +28.7%N/A0.7 $0.82 2/15/2022328,200 shares $299.35 thousand +3.9%N/A0.5 $0.91 1/31/2022315,900 shares $277.99 thousand +18.4%N/A0.4 $0.88 1/15/2022266,900 shares $261.54 thousand +27.8%N/A0.3 $0.98 12/31/2021208,900 shares $208.90 thousand -36.2%N/A0.2 $1.00 12/15/2021327,300 shares $399.31 thousand -37.8%N/A0.1 $1.22 11/30/2021526,300 shares $847.34 thousand -35.5%N/A0.2 $1.61 11/15/2021815,700 shares $1.40 million -14.1%N/A0.3 $1.72 10/29/2021949,000 shares $1.70 million -45.8%N/A0.4 $1.79 10/15/20211,750,000 shares $3.55 million +129.3%N/A0.6 $2.03 9/30/2021763,300 shares $2.20 million +29.6%2.0%0.3 $2.88 9/15/2021588,900 shares $1.85 million -24.3%1.5%0.5 $3.14 8/31/2021777,900 shares $2.49 million +50.6%2.0%0.6 $3.20 8/13/2021516,400 shares $1.34 million +119.6%1.4%0.5 $2.59 7/30/2021235,200 shares $595.06 thousand -29.7%0.6%0.3 $2.53 7/15/2021334,500 shares $759.32 thousand -11.0%0.9%0.4 $2.27 6/30/2021376,000 shares $853.52 thousand +108.2%1.0%0.4 $2.27 6/15/2021180,600 shares $428.02 thousand -13.6%0.5%0.2 $2.37 5/28/2021209,000 shares $457.71 thousand -57.5%0.6%0.1 $2.19Everyone’s watching Nvidia right now. Here’s why I’m excited. (Ad)So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal with Saudi Arabia to power its new AI empire 🤯 We’re talking about hundreds of thousands of chips, including their latest Grace Blackwell supercomputer.🎯 Click here to watch the video and get the free ticker XGPT just flagged. 5/14/2021492,000 shares $979.08 thousand -23.3%N/A0.1 $1.99 4/30/2021641,700 shares $1.51 million -25.8%N/A0.1 $2.36 4/15/2021864,500 shares $2.19 million -14.4%N/A0.1 $2.53 3/31/20211,010,000 shares $2.54 million +15.6%N/A0.1 $2.51 3/15/2021873,400 shares $2.57 million +47.7%N/A0.1 $2.94 2/26/2021591,400 shares $1.40 million -9.7%N/A0.1 $2.37 2/12/2021654,600 shares $1.90 million -43.6%N/A0.2 $2.91 1/29/20211,160,000 shares $2.58 million -28.4%N/A0.4 $2.22 1/15/20211,620,000 shares $3.43 million -37.2%N/A1.3 $2.12 12/31/20202,580,000 shares $4.90 million +26.5%N/A2.3 $1.90 12/15/20202,040,000 shares $3.79 million +10.3%N/A2.6 $1.86 11/30/20201,850,000 shares $3.74 million +20.9%N/A2.5 $2.02 11/15/20201,530,000 shares $3.14 million -11.6%N/A1.9 $2.05 10/30/20201,730,000 shares $3.74 million -18.8%N/A0.6 $2.16 10/15/20202,130,000 shares $5.26 million -4.9%N/A0.3 $2.47 9/30/20202,240,000 shares $4.75 million +13.1%N/A0.3 $2.12 9/15/20201,980,000 shares $4.32 million -4.8%N/A0.3 $2.18 8/31/20202,080,000 shares $4.43 million +13.7%N/A0.3 $2.13 OPGN Short Interest - Frequently Asked Questions What is OpGen's current short interest? Short interest is the volume of OpGen shares that have been sold short but have not yet been covered or closed out. As of July 31st, investors have sold 400 shares of OPGN short. 0.01% of OpGen's shares are currently sold short. Learn More on OpGen's current short interest. What is a good short interest ratio for OpGen? 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. OPGN shares currently have a short interest ratio of 1.0. Learn More on OpGen's short interest ratio. What is a good short interest percentage for OpGen? 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. 0.01% of OpGen's floating shares are currently sold short. How does OpGen's short interest compare to its competitors? 0.01% of OpGen's shares are currently sold short. Here is how the short interest of companies in the industry of "healthcare" compare to OpGen: UpHealth, Inc. (0.06%), Natera, Inc. (3.07%), Hims & Hers Health, Inc. (33.44%), Guardant Health, Inc. (8.03%), RadNet, Inc. (8.98%), Option Care Health, Inc. (3.09%), Sotera Health Company (9.65%), BrightSpring Health Services, Inc. (16.45%), GeneDx Holdings Corp. (14.53%), Surgery Partners, Inc. (16.91%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short OpGen stock? Short selling OPGN is an investing strategy that aims to generate trading profit from OpGen as its price is falling. OPGN shares are trading down $0.00 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 OpGen? A short squeeze for OpGen 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 OPGN, which in turn drives the price of the stock up even further. How often is OpGen'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 OPGN, twice per month. The most recent reporting period available is July, 31 2025. 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