This company has been marked as potentially delisted and may not be actively trading. Chembio Diagnostics (CEMI) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Chembio Diagnostics Short Interest DataChembio Diagnostics (CEMI) has a short interest of 292,100 shares. This marks a -19.18% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.4, indicating that it would take 0.4 days of the average trading volume of 661,416 shares to cover all short positions.Current Short Interest292,100 sharesPrevious Short Interest361,400 sharesChange Vs. Previous Month-19.18%Dollar Volume Sold Short$131.39 thousandShort Interest Ratio0.4 Days to CoverLast Record DateApril 15, 2023Outstanding Shares36,726,000 sharesPercentage of Shares Shorted0.80%Today's Trading Volume351,642 sharesAverage Trading Volume661,416 sharesToday's Volume Vs. Average53% Short Selling Chembio Diagnostics? 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Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCEMI Short Interest Over TimeCEMI Days to Cover Over TimeCEMI Percentage of Float Shorted Over Time Chembio Diagnostics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/15/2023292,100 shares $131.39 thousand -19.2%N/A0.4 $0.45 3/31/2023361,400 shares $159.81 thousand +10.4%N/A0.5 $0.44 3/15/2023327,400 shares $128.31 thousand -62.7%N/A0.5 $0.39 2/28/2023876,600 shares $392.72 thousand -34.6%N/A1.6 $0.45 2/15/20231,340,000 shares $596.30 thousand +26.4%N/A2.4 $0.45 1/31/20231,060,000 shares $381.60 thousand -32.9%N/A1.9 $0.36 1/15/20231,580,000 shares $569.75 thousand -20.2%N/A3.8 $0.36 12/30/20221,980,000 shares $435.01 thousand -2.9%N/A3.8 $0.22 12/15/20222,040,000 shares $616.08 thousand -4.7%N/A4.4 $0.30 11/30/20222,140,000 shares $642 thousand -13.7%N/A4.2 $0.30 Get the Latest News and Ratings for CEMI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Chembio Diagnostics and its competitors with MarketBeat's FREE daily newsletter. 11/15/20222,480,000 shares $694.15 thousand +3.8%N/A3.2 $0.28 10/31/20222,390,000 shares $812.60 thousand -14.3%N/A2.2 $0.34 10/15/20222,790,000 shares $837 thousand +42.4%N/A1.7 $0.30 9/30/20221,960,000 shares $708.34 thousand +36.1%N/A1.3 $0.36 9/15/20221,440,000 shares $698.40 thousand +22.0%N/A1 $0.49 8/31/20221,180,000 shares $714.73 thousand -19.2%N/A0.9 $0.61 8/15/20221,460,000 shares $1.27 million -0.7%N/A1.3 $0.87 7/31/20221,470,000 shares $1.01 million -1.3%9.7%1.9 $0.69 7/15/20221,490,000 shares $1.19 million +8.0%9.8%9.3 $0.80 6/30/20221,380,000 shares $897 thousand -18.3%9.1%7.4 $0.65 6/15/20221,690,000 shares $1.14 million -11.5%11.1%8.3 $0.67 5/31/20221,910,000 shares $1.43 million +11.7%N/A8.1 $0.75 5/15/20221,710,000 shares $956.40 thousand -3.4%N/A6.3 $0.56 4/30/20221,770,000 shares $1.02 million -4.3%N/A6 $0.58 4/15/20221,850,000 shares $1.40 million -4.6%N/A5.6 $0.76 3/31/20221,940,000 shares $1.59 million -7.2%N/A5.2 $0.82 3/15/20222,090,000 shares $1.40 million +5.0%N/A3.3 $0.67 2/28/20221,990,000 shares $1.91 million -7.4%N/A2.7 $0.96 2/15/20222,150,000 shares $2.35 million -1.4%N/A2 $1.10 1/31/20222,180,000 shares $2.02 million -5.2%N/A1.7 $0.93 1/15/20222,300,000 shares $2.51 million -23.3%N/A1.7 $1.09 12/31/20213,000,000 shares $3.42 million -5.7%N/A2.1 $1.14 12/15/20213,180,000 shares $5.41 million +15.2%N/A2.4 $1.70 11/30/20212,760,000 shares $5.63 million +3.4%N/A1.7 $2.04 11/15/20212,670,000 shares $5.42 million +1.9%N/A1.2 $2.03 10/29/20212,620,000 shares $5.95 million +0.4%N/A1 $2.27 10/15/20212,610,000 shares $6.29 million +15.0%N/A0.6 $2.41 9/30/20212,270,000 shares $5.68 million +35.9%N/A0.2 $2.50 9/15/20211,670,000 shares $4.36 million -46.8%N/A0.1 $2.61 8/31/20213,140,000 shares $8.60 million +31.4%N/A0.2 $2.74Top Picks for Trump’s Pro-Crypto America (Ad)Mark August 12th on your calendar. 27 of crypto's most successful minds are about to reveal everything…Claim your pass to the Crypto Community Summit here (free for a limited time) 8/13/20212,390,000 shares $6.29 million +52.2%N/A0.2 $2.63 7/30/20211,570,000 shares $4.46 million +22.7%8.5%0.1 $2.84 7/15/20211,280,000 shares $3.12 million -7.9%6.9%0.1 $2.44 6/30/20211,390,000 shares $4.13 million -26.1%7.5%2.6 $2.97 6/15/20211,880,000 shares $5.90 million -16.8%10.2%0.4 $3.14 5/28/20212,260,000 shares $7.21 million +12.4%12.2%0.5 $3.19 5/14/20212,010,000 shares $6.47 million -9.9%N/A0.4 $3.22 4/30/20212,230,000 shares $9.12 million -8.6%N/A0.4 $4.09 4/15/20212,440,000 shares $9.44 million +23.2%N/A0.5 $3.87 3/31/20211,980,000 shares $6.73 million No ChangeN/A0.4 $3.40 3/15/20211,980,000 shares $8.69 million -9.6%N/A2.1 $4.39 2/26/20212,190,000 shares $12.37 million -30.7%N/A1.9 $5.65 2/12/20213,160,000 shares $22.56 million -13.0%N/A2.2 $7.14 1/29/20213,630,000 shares $23.27 million -3.2%N/A2.4 $6.41 1/15/20213,750,000 shares $22.09 million -1.3%N/A2.4 $5.89 12/31/20203,800,000 shares $18.54 million -1.8%N/A2.5 $4.88 12/15/20203,870,000 shares $21.52 million +7.2%N/A2 $5.56 11/30/20203,610,000 shares $19.57 million -12.8%N/A1.7 $5.42 11/15/20204,140,000 shares $18.13 million -13.9%N/A2.1 $4.38 10/30/20204,810,000 shares $23.57 million +5.3%N/A1.9 $4.90 10/15/20204,570,000 shares $21.80 million +1.8%N/A1.4 $4.77 9/30/20204,490,000 shares $21.82 million +4.7%N/A1 $4.86 9/15/20204,290,000 shares $17.85 million -10.3%N/A0.8 $4.16 8/31/20204,780,000 shares $19.60 million -9.8%N/A0.8 $4.10 8/14/20205,300,000 shares $27.77 million -1.1%N/A0.9 $5.24 7/31/20205,360,000 shares $29.64 million +32.7%N/A1.1 $5.53 7/15/20204,040,000 shares $20.60 million +31.6%N/A0.9 $5.10 CEMI Short Interest - Frequently Asked Questions What is Chembio Diagnostics' current short interest? Short interest is the volume of Chembio Diagnostics shares that have been sold short but have not yet been closed out or covered. As of April 15th, investors have sold 292,100 shares of CEMI short. Learn More on Chembio Diagnostics' current short interest. Is Chembio Diagnostics' short interest increasing or decreasing? Chembio Diagnostics saw a drop in short interest during the month of April. As of April 15th, there was short interest totaling 292,100 shares, a drop of 19.2% from the previous total of 361,400 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 Chembio Diagnostics' short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to Chembio Diagnostics: PyroGenesis Canada Inc. (0.11%), Aadi Bioscience, Inc. (6.58%), Actinium Pharmaceuticals, Inc. (4.88%), Eagle Pharmaceuticals, Inc. (0.46%), Marinus Pharmaceuticals, Inc. (3.95%), Allakos Inc. (0.37%), Cara Therapeutics, Inc. (1.74%), NanoViricides, Inc. (0.59%), 23andMe Holding Co. (11.90%), GlycoMimetics, Inc. (2.90%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: T-Mobile US, Inc. ($4.69 billion), Occidental Petroleum Corporation ($3.22 billion), Coinbase Global, Inc. ($2.54 billion), T. Rowe Price Group, Inc. ($2.33 billion), Paramount Global ($2.10 billion), Verisk Analytics, Inc. ($2.03 billion), Etsy, Inc. ($1.67 billion), Old Dominion Freight Line, Inc. ($1.62 billion), CarMax, Inc. ($1.60 billion), and Extra Space Storage Inc ($1.60 billion). View all of the most shorted stocks. What does it mean to sell short Chembio Diagnostics stock? Short selling CEMI is an investing strategy that aims to generate trading profit from Chembio Diagnostics as its price is falling. 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 Chembio Diagnostics? A short squeeze for Chembio Diagnostics 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 CEMI, which in turn drives the price of the stock up even further. How often is Chembio Diagnostics' 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 CEMI, twice per month. The most recent reporting period available is April, 15 2023. More Short Interest Resources from MarketBeat Related Companies PYRGF Short Interest AADI Short Interest ATNM Short Interest EGRX Short Interest MRNS Short Interest ALLK Short Interest CARA Short Interest NNVC Short Interest ME Short Interest GLYC Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:CEMI) was last updated on 7/7/2025 by MarketBeat.com Staff From Our PartnersA grave, grave error.I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. 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