Co-Diagnostics (CODX) Short Interest Ratio & Short Volume $0.32 -0.02 (-5.99%) Closing price 04:00 PM EasternExtended Trading$0.33 +0.01 (+4.45%) As of 05:08 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Co-Diagnostics Short Interest DataCo-Diagnostics (CODX) has a short interest of 440,600 shares. This marks a -44.59% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.1, indicating that it would take 0.1 days of the average trading volume of 2.37 million shares to cover all short positions.Current Short Interest440,600 sharesPrevious Short Interest795,100 sharesChange Vs. Previous Month-44.59%Dollar Volume Sold Short$151.57 thousandShort Interest Ratio0.1 Days to CoverLast Record DateSeptember 30, 2025Outstanding Shares38,524,000 sharesPercentage of Shares Shorted1.14%Today's Trading Volume1,044,203 sharesAverage Trading Volume2,367,887 sharesToday's Volume Vs. Average44% Short Selling Co-Diagnostics? Sign up to receive the latest short interest report for Co-Diagnostics and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCODX Short Interest Over TimeCODX Days to Cover Over TimeCODX Percentage of Float Shorted Over Time Co-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 9/30/2025440,600 shares $151.57 thousand -44.6%N/A0.1 $0.34 9/15/2025795,100 shares $280.99 thousand -41.5%N/A0.1 $0.35 8/31/20251,360,000 shares $448.39 thousand +165.9%3.9%0.6 $0.33 8/15/2025511,500 shares $150.48 thousand -14.3%N/A0.2 $0.29 7/31/2025597,000 shares $154.38 thousand -29.3%1.9%0.7 $0.26 7/15/2025844,000 shares $225.43 thousand +197.8%N/A1.2 $0.27 6/30/2025283,400 shares $79.41 thousand +0.5%0.9%0.5 $0.28 6/15/2025282,100 shares $77.80 thousand -27.9%0.9%0.7 $0.28 5/31/2025391,400 shares $102.55 thousand +135.6%1.3%1.1 $0.26 5/15/2025166,100 shares $50.69 thousand +19.5%0.6%0.6 $0.31 Get the Latest News and Ratings for CODX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Co-Diagnostics and its competitors with MarketBeat's FREE daily newsletter. 4/30/2025139,000 shares $48.79 thousand -3.9%N/A0.7 $0.35 4/15/2025144,700 shares $50.66 thousand -11.0%0.5%0.8 $0.35 3/31/2025162,600 shares $50.34 thousand -19.7%0.5%0.7 $0.31 3/15/2025202,400 shares $98.02 thousand +4.5%0.7%0.9 $0.48 2/28/2025193,700 shares $95.88 thousand -16.7%0.6%0.9 $0.50 2/15/2025232,600 shares $160.42 thousand -7.1%0.8%1.1 $0.69 1/31/2025250,400 shares $188.05 thousand -4.0%N/A1.3 $0.75 1/15/2025260,800 shares $194.04 thousand -19.4%N/A1.4 $0.74 12/31/2024323,500 shares $242.63 thousand +39.0%N/A1.8 $0.75 12/15/2024232,700 shares $193.58 thousand +1.9%N/A1.9 $0.83 11/30/2024228,300 shares $203.37 thousand -0.4%N/A2.2 $0.89 11/15/2024229,100 shares $242.85 thousand +9.8%N/A1.8 $1.06 10/31/2024208,700 shares $252.53 thousand -7.8%N/A0.8 $1.21 10/15/2024226,400 shares $285.26 thousand +10.3%N/A0.9 $1.26 9/30/2024205,300 shares $256.63 thousand -9.1%N/A0.8 $1.25 9/15/2024225,800 shares $295.80 thousand -30.9%N/A0.9 $1.31 8/31/2024326,900 shares $454.39 thousand +8.6%N/A1.2 $1.39 8/15/2024300,900 shares $373.12 thousand -2.9%N/A1.2 $1.24 7/31/2024309,900 shares $356.39 thousand -12.3%N/A2.4 $1.15 7/15/2024353,200 shares $453.86 thousand -20.4%N/A2.9 $1.29 6/30/2024443,600 shares $554.50 thousand +25.1%N/A3.7 $1.25 6/15/2024354,700 shares $563.97 thousand -2.2%N/A3 $1.59 5/31/2024362,600 shares $380.73 thousand +14.9%N/A3.9 $1.05 5/15/2024315,500 shares $353.36 thousand -30.6%N/A5.5 $1.12 4/30/2024454,700 shares $527.45 thousand +0.4%N/A8 $1.16 4/15/2024453,000 shares $534.54 thousand -8.8%N/A8 $1.18 3/31/2024496,500 shares $556.08 thousand +30.1%N/A7.5 $1.12 3/15/2024381,500 shares $408.21 thousand +11.8%N/A4.2 $1.07 2/29/2024341,300 shares $385.67 thousand -28.3%N/A3.7 $1.13 2/15/2024475,700 shares $551.81 thousand +32.3%N/A4.7 $1.16 1/31/2024359,600 shares $449.50 thousand -36.9%N/A3.3 $1.25 1/15/2024570,000 shares $798 thousand -9.8%N/A5.2 $1.40 12/31/2023632,000 shares $840.56 thousand +27.3%N/A6.2 $1.33 12/15/2023496,400 shares $565.90 thousand -25.0%N/A6 $1.14 11/30/2023661,900 shares $781.04 thousand -0.7%N/A8.9 $1.18 11/15/2023666,600 shares $926.57 thousand +36.2%N/A8.5 $1.39 10/31/2023489,400 shares $523.66 thousand -30.1%N/A7.2 $1.07 10/15/2023699,600 shares $741.58 thousand -1.0%N/A8.3 $1.06 9/30/2023706,600 shares $749.00 thousand +21.5%N/A5.7 $1.06 9/15/2023581,400 shares $680.24 thousand -27.4%N/A4.6 $1.17 8/31/2023800,500 shares $992.62 thousand -0.1%N/A6.4 $1.24 8/15/2023801,100 shares $969.33 thousand +7.1%N/A6.4 $1.21 7/31/2023748,300 shares $1.17 million -2.4%N/A5.9 $1.56 7/15/2023766,900 shares $1.04 million +13.6%N/A6.6 $1.35 6/30/2023675,200 shares $749.47 thousand -3.8%N/A7.2 $1.11 6/15/2023701,800 shares $757.94 thousand +17.2%N/A5.9 $1.08 5/31/2023598,800 shares $652.69 thousand -17.2%N/A4.2 $1.09 5/15/2023723,400 shares $976.59 thousand -13.0%N/A5.3 $1.35 4/30/2023831,400 shares $1.15 million -3.1%N/A6.4 $1.38 4/15/2023857,900 shares $1.34 million -19.8%N/A6 $1.56 3/31/20231,070,000 shares $1.58 million +2.9%N/A7.5 $1.48 3/15/20231,040,000 shares $3.03 million -20.6%N/A7.7 $2.91 2/28/20231,310,000 shares $3.79 million +12.9%N/A10.9 $2.89 2/15/20231,160,000 shares $3.35 million -25.6%N/A8.7 $2.89 1/31/20231,560,000 shares $5.05 million +21.9%N/A10.9 $3.24 1/15/20231,280,000 shares $3.80 million -3.8%N/A8.8 $2.97 12/30/20221,330,000 shares $3.35 million -7.0%N/A8.5 $2.52 12/15/20221,430,000 shares $3.58 million -21.0%N/A8.4 $2.50 11/30/20221,810,000 shares $5.45 million -25.5%N/A9.3 $3.01 11/15/20222,430,000 shares $8.94 million +3.4%N/A9.2 $3.68 10/31/20222,350,000 shares $8.15 million +15.8%N/A5.5 $3.47 10/15/20222,030,000 shares $6.31 million +8.6%N/A3.7 $3.11 9/30/20221,870,000 shares $6.00 million -19.7%N/A3 $3.21 9/15/20222,330,000 shares $7.55 million +1.8%N/A3.5 $3.24 8/31/20222,290,000 shares $7.74 million +9.1%N/A3.5 $3.38 8/15/20222,100,000 shares $9.05 million +1.5%N/A3.1 $4.31 7/31/20222,070,000 shares $13.58 million +20.4%N/A3.9 $6.56 7/15/20221,720,000 shares $9.94 million -9.5%N/A4 $5.78 6/30/20221,900,000 shares $10.66 million +2.7%N/A5.1 $5.61 6/15/20221,850,000 shares $9.92 million No ChangeN/A5.1 $5.36 5/31/20221,850,000 shares $9.34 million -17.8%N/A4.6 $5.05 5/15/20222,250,000 shares $10.24 million +57.3%N/A6.3 $4.55 4/30/20221,430,000 shares $6.29 million -29.9%N/A4 $4.40 4/15/20222,040,000 shares $11.49 million +7.4%N/A5.1 $5.63 3/31/20221,900,000 shares $11.74 million +24.2%N/A4.2 $6.18 3/15/20221,530,000 shares $8.71 million +0.7%N/A2.4 $5.69 2/28/20221,520,000 shares $8.82 million -22.5%N/A2.5 $5.80 2/15/20221,960,000 shares $13.48 million +4.8%N/A3 $6.88 1/31/20221,870,000 shares $13.28 million +16.2%N/A2.7 $7.10 1/15/20221,610,000 shares $14.26 million +12.6%N/A2.3 $8.86 12/31/20211,430,000 shares $12.77 million +13.5%N/A2.2 $8.93 12/15/20211,260,000 shares $10.48 million -9.4%N/A2.2 $8.32 11/30/20211,390,000 shares $13.40 million -37.1%N/A2.9 $9.64 11/15/20212,210,000 shares $21.39 million +33.1%N/A4.6 $9.68 10/29/20211,660,000 shares $13.63 million -20.6%N/A2.4 $8.21 10/15/20212,090,000 shares $17.51 million -2.8%N/A2.5 $8.38 9/30/20212,150,000 shares $20.92 million -3.2%N/A1.8 $9.73 9/15/20212,220,000 shares $21.47 million -7.1%N/A1.8 $9.67 8/31/20212,390,000 shares $25.69 million -23.4%N/A1.9 $10.75 8/13/20213,120,000 shares $33.07 million +3.3%N/A2.4 $10.60 7/30/20213,020,000 shares $30.53 million -9.9%N/A2.6 $10.11 7/15/20213,350,000 shares $25.53 million -7.5%N/A3.2 $7.62 6/30/20213,620,000 shares $29.87 million -22.7%N/A4.6 $8.25 6/15/20214,680,000 shares $40.48 million -3.5%17.3%5 $8.65 5/28/20214,850,000 shares $39.14 million -0.4%18.0%5.1 $8.07 5/14/20214,870,000 shares $34.87 million +7.7%N/A4.6 $7.16 4/30/20214,520,000 shares $40.14 million +6.4%N/A3.6 $8.88 4/15/20214,250,000 shares $39.95 million -14.1%N/A3 $9.40 3/31/20214,950,000 shares $42.27 million +21.0%N/A3.2 $8.54 3/15/20214,090,000 shares $57.01 million +3.5%N/A2.7 $13.94 2/26/20213,950,000 shares $60.83 million -20.8%N/A2.5 $15.40 2/12/20214,990,000 shares $80.84 million -1.2%N/A2.7 $16.20 1/29/20215,050,000 shares $63.83 million -15.6%N/A2.5 $12.64 1/15/20215,980,000 shares $60.76 million -8.4%N/A3 $10.16 12/31/20206,530,000 shares $63.54 million -4.1%N/A3.5 $9.73 12/15/20206,810,000 shares $72.59 million -6.5%N/A3.5 $10.66 11/30/20207,280,000 shares $86.56 million +4.8%N/A2.7 $11.89 11/15/20206,950,000 shares $104.11 million +7.6%N/A2.3 $14.98 10/30/20206,460,000 shares $89.21 million -4.0%N/A2 $13.81 CODX Short Interest - Frequently Asked Questions What is Co-Diagnostics' current short interest? Short interest is the volume of Co-Diagnostics shares that have been sold short but have not yet been closed out or covered. As of September 30th, traders have sold 440,600 shares of CODX short. Learn More on Co-Diagnostics' current short interest. Is Co-Diagnostics' short interest increasing or decreasing? Co-Diagnostics saw a decline in short interest during the month of September. As of September 30th, there was short interest totaling 440,600 shares, a decline of 44.6% from the previous total of 795,100 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 Co-Diagnostics' short interest compare to its competitors? Here is how the short interest of companies in the industry of "medical equipment" compare to Co-Diagnostics: TELA Bio, Inc. (0.92%), Cytosorbents Corporation (2.14%), Nephros Inc. (0.05%), Baird Medical Investment Holdings Limited (0.85%), SurgePays, Inc. (2.22%), Sensus Healthcare, Inc. (5.57%), PolyPid Ltd. (0.64%), Alpha Pro Tech, Ltd. (0.29%), NeuroOne Medical Technologies Corporation (0.13%), Milestone Scientific Inc. (0.40%), 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 Corporation ($15.71 billion), Robinhood Markets, Inc. ($7.56 billion), Reddit Inc. ($4.55 billion), Coinbase Global, Inc. ($4.53 billion), CoreWeave Inc. ($4.43 billion), Charter Communications, Inc. ($4.07 billion), Seagate Technology Holdings PLC ($3.94 billion), IonQ, Inc. ($3.78 billion), TC Energy Corporation ($3.13 billion), and Live Nation Entertainment, Inc. ($3.12 billion). View all of the most shorted stocks. What does it mean to sell short Co-Diagnostics stock? Short selling CODX is an investing strategy that aims to generate trading profit from Co-Diagnostics as its price is falling. CODX shares are trading down $0.01 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 Co-Diagnostics? A short squeeze for Co-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 CODX, which in turn drives the price of the stock up even further. How often is Co-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 CODX, twice per month. The most recent reporting period available is September, 30 2025. More Short Interest Resources from MarketBeat Related Companies TELA Bio Short Interest Data Cytosorbents Short Interest Data Nephros Short Interest Data Baird Medical Investment Short Interest Data SurgePays Short Interest Data Sensus Healthcare Short Interest Data PolyPid Short Interest Data Alpha Pro Tech Short Interest Data NeuroOne Medical Technologies Short Interest Data Milestone Scientific 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:CODX) was last updated on 10/22/2025 by MarketBeat.com Staff From Our PartnersThis Crypto Is Set to Explode in JanuaryCurious about crypto but still stuck scrolling endless threads? People who get in early aren’t just lucky—they...Crypto 101 Media | SponsoredNEW LAW: Congress Approves Setup For Digital Dollar?Trump Ally Says Congress Approved the Setup for a Digital Dollar 2.0 But according to Rep. 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