Bluejay Diagnostics (BJDX) Short Interest Ratio & Short Volume $1.37 0.00 (0.00%) Closing price 04:00 PM EasternExtended Trading$1.38 +0.00 (+0.36%) As of 05:12 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 AnalysisChartCompetitorsEarningsFDA EventsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Bluejay Diagnostics Short Interest DataBluejay Diagnostics (BJDX) has a short interest of 57,700 shares, representing 3.87% of the float (the number of shares available for trading by the public). This marks a 61.62% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.0, indicating that it would take 0.0 days of the average trading volume of 1.38 million shares to cover all short positions.Current Short Interest57,700 sharesPrevious Short Interest35,700 sharesChange Vs. Previous Month+61.62%Dollar Volume Sold Short$86.55 thousandShort Interest Ratio0.0 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares1,490,000 sharesFloat Size1,490,000 sharesShort Percent of Float3.87%Today's Trading Volume55,066 sharesAverage Trading Volume1,379,128 sharesToday's Volume Vs. Average4% Short Selling Bluejay Diagnostics? Sign up to receive the latest short interest report for Bluejay Diagnostics and its competitors with MarketBeat's FREE newsletter. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartBJDX Short Interest Over TimeBJDX Days to Cover Over TimeBJDX Percentage of Float Shorted Over Time Bluejay 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 7/31/202557,700 shares $86.55 thousand +61.6%3.9%0 $1.50 7/15/202535,700 shares $58.55 thousand -36.7%2.4%0 $1.64 6/30/202556,400 shares $97.01 thousand -34.1%3.8%0 $1.72 6/15/202585,600 shares $142.10 thousand +154.0%5.7%0 $1.66 5/31/202533,700 shares $53.58 thousand -27.7%2.3%0 $1.59 5/15/202546,600 shares $82.95 thousand -50.8%3.1%0 $1.78 4/30/202594,700 shares $180.88 thousand +147.3%6.4%0.1 $1.91 4/15/202538,300 shares $89.24 thousand +68.0%6.9%0 $2.33 3/31/202522,800 shares $85.04 thousand +280.0%4.1%0 $3.73 3/15/20256,000 shares $24.24 thousand -80.0%1.1%0.1 $4.04 Get the Latest News and Ratings for BJDX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Bluejay Diagnostics and its competitors with MarketBeat's FREE daily newsletter. 2/28/202530,000 shares $128.40 thousand +98.7%5.4%0.1 $4.28 2/15/202515,100 shares $53.53 thousand +4.9%2.7%0 $3.55 1/31/202514,400 shares $52.99 thousand +5.1%2.6%0 $3.68 1/15/202513,700 shares $47.54 thousand +3.0%2.5%0 $3.47 12/31/202413,300 shares $64.77 thousand -50.9%2.4%0 $4.87 12/15/202427,100 shares $125.47 thousand +298.5%4.9%0 $4.63 11/30/20246,800 shares $23.80 thousand -40.4%1.2%0 $3.50 11/15/202411,400 shares $37.73 thousand -46.0%2.1%0 $3.31 10/31/202421,100 shares $1.83 thousand -86.8%0.1%0 $0.09 10/15/2024159,900 shares $17.51 thousand +300.8%1.0%0.1 $0.11 9/30/202439,900 shares $5.07 thousand -59.2%0.2%0 $0.13 9/15/202497,700 shares $14.78 thousand -9.4%0.6%0 $0.15 8/31/2024107,800 shares $20.13 thousand -35.0%2.0%0.1 $0.19 8/15/2024165,800 shares $50.73 thousand +523.3%3.1%0.1 $0.31 7/31/202426,600 shares $12.78 thousand -29.4%5.5%0 $0.48 7/15/202437,700 shares $21.60 thousand -82.9%7.8%0.1 $0.57 6/30/2024220,500 shares $154.17 thousand +1,370.0%43.5%0.8 $0.70 6/15/202415,000 shares $61.20 thousand -23.1%3.2%0.3 $4.08 5/31/202419,500 shares $10.34 thousand +191.0%0.8%0.1 $0.53 5/15/20246,700 shares $3.52 thousand -89.9%0.3%0.1 $0.53 4/30/202466,100 shares $32.39 thousand +16,425.0%3.9%1.2 $0.49 4/15/2024400 shares $248.00 -96.4%0.0%0 $0.62 3/31/202411,000 shares $8.83 thousand -50.0%0.7%0.2 $0.80 3/15/202422,000 shares $17.60 thousand -10.6%0.1%0.3 $0.80 2/29/202424,600 shares $18.94 thousand +78.3%0.2%0.4 $0.77 2/15/202413,800 shares $10.90 thousand -43.9%0.1%0.3 $0.79 1/31/202424,600 shares $19.69 thousand -29.3%0.2%0.5 $0.80 1/15/202434,800 shares $35.50 thousand -61.8%4.5%0.8 $1.02 12/31/202391,200 shares $111.26 thousand +2,940.0%11.7%2.1 $1.22 12/15/20233,000 shares $8.73 thousand -26.8%0.4%0.1 $2.91The stealth altcoin the financial world is underestimating (Ad)This DeFi project could soar next When altcoin season fully kicks in—which the data suggests is happening RIGHT NOW—this project is poised to see massive moves.... The smart money is already positioning.Discover the protocol that's quietly replacing traditional finance. 11/30/20234,100 shares $13.24 thousand +28.1%0.5%0 $3.23 11/15/20233,200 shares $10.88 thousand -54.3%0.4%0 $3.40 10/31/20237,000 shares $24.22 thousand -66.2%0.9%0 $3.46 10/15/202320,700 shares $80.52 thousand -43.1%2.6%0 $3.89 9/30/202336,400 shares $157.61 thousand +766.7%4.6%0 $4.33 9/15/20234,200 shares $12.85 thousand -93.4%0.5%0 $3.06 8/31/202363,300 shares $370.94 thousand -22.9%9.2%0.1 $5.86 8/15/202382,100 shares $620.68 thousand -5.7%14.4%0.1 $7.56 7/31/202387,100 shares $557.44 thousand +53.6%15.3%0.1 $6.40 7/15/202356,700 shares $298.47 thousand -76.2%10.0%0.3 $5.26 6/30/2023238,200 shares $64.22 thousand -19.9%2.1%0.2 $0.27 6/15/2023297,200 shares $66.57 thousand +134.4%2.6%0.6 $0.22 5/31/2023126,800 shares $29.96 thousand +328.4%1.3%0.3 $0.24 5/15/202329,600 shares $8.29 thousand +15.2%0.3%0.3 $0.28 4/30/202325,700 shares $7.68 thousand -52.2%0.3%0.2 $0.30 4/15/202353,800 shares $19.65 thousand +77.6%0.6%0.5 $0.37 3/31/202330,300 shares $12.40 thousand -46.7%0.3%0.3 $0.41 3/15/202356,800 shares $30.67 thousand -0.5%0.6%0.5 $0.54 2/28/202357,100 shares $38.00 thousand -49.6%0.6%0.5 $0.67 2/15/2023113,300 shares $90.64 thousand +192.8%1.2%1 $0.80 1/31/202338,700 shares $16.59 thousand -21.7%0.4%0.4 $0.43 1/15/202349,400 shares $25.19 thousand -14.1%0.5%0.9 $0.51 12/30/202257,500 shares $21.84 thousand -25.8%0.6%1 $0.38 12/15/202277,500 shares $33.33 thousand -34.3%0.8%1.2 $0.43 11/30/2022118,000 shares $80.24 thousand -0.1%1.2%1.7 $0.68 11/15/2022118,100 shares $85.54 thousand -23.8%1.2%1.5 $0.72 10/31/2022154,900 shares $128.41 thousand -18.6%1.5%2.1 $0.83 10/15/2022190,300 shares $155.09 thousand -11.8%1.9%1.4 $0.82 9/30/2022215,700 shares $168.25 thousand +337.5%2.2%1.4 $0.78 9/15/202249,300 shares $44.84 thousand -37.8%0.5%0.3 $0.91 8/31/202279,300 shares $81.68 thousand +48.5%0.8%0.1 $1.03 8/15/202253,400 shares $60.34 thousand -77.3%0.5%0.1 $1.13 7/31/2022235,600 shares $266.23 thousand +550.8%2.3%0.2 $1.13 7/15/202236,200 shares $42.72 thousand -51.3%0.4%0 $1.18 6/30/202274,400 shares $78.12 thousand -56.3%0.7%0.1 $1.05 6/15/2022170,300 shares $170.30 thousand +45.1%1.7%0.2 $1.00 5/31/2022117,400 shares $125.62 thousand -40.4%1.2%0.5 $1.07 5/15/2022197,100 shares $218.78 thousand -15.2%2.0%0.7 $1.11 4/30/2022232,300 shares $271.79 thousand +48.7%2.3%0.6 $1.17 4/15/2022156,200 shares $162.45 thousand +66.5%1.6%0.3 $1.04 3/31/202293,800 shares $105.06 thousand +5.5%1.0%0.1 $1.12 3/15/202288,900 shares $83.57 thousand +46.0%0.9%0.1 $0.94 2/28/202260,900 shares $63.34 thousand -60.1%0.6%0 $1.04 2/15/2022152,700 shares $175.61 thousand -56.6%1.6%0.1 $1.15 1/31/2022351,600 shares $580.14 thousand -60.8%3.7%0.2 $1.65 1/15/2022896,100 shares $2.38 million +80.2%N/A0.4 $2.66 12/31/2021497,400 shares $1.27 million No ChangeN/A0.2 $2.56 BJDX Short Interest - Frequently Asked Questions What is Bluejay Diagnostics' current short interest? Short interest is the volume of Bluejay Diagnostics shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 57,700 shares of BJDX short. 3.87% of Bluejay Diagnostics' shares are currently sold short. Learn More on Bluejay Diagnostics' current short interest. What is a good short interest percentage for Bluejay Diagnostics? 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. 3.87% of Bluejay Diagnostics' floating shares are currently sold short. Is Bluejay Diagnostics' short interest increasing or decreasing? Bluejay Diagnostics saw a increase in short interest during the month of July. As of July 31st, there was short interest totaling 57,700 shares, an increase of 61.6% from the previous total of 35,700 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. What is Bluejay Diagnostics' float size? Bluejay Diagnostics currently has issued a total of 1,490,000 shares. Some of Bluejay Diagnostics' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Bluejay Diagnostics currently has a public float of 1,490,000 shares. How does Bluejay Diagnostics' short interest compare to its competitors? 3.87% of Bluejay Diagnostics' shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to Bluejay Diagnostics: HeartSciences Inc. (2.27%), Sharps Technology, Inc. (2.72%), Strata Skin Sciences, Inc. (1.68%), Helius Medical Technologies, Inc. (372.73%), Innovative Eyewear, Inc. (7.52%), Autonomix Medical, Inc. (10.71%), GlucoTrack, Inc. (5.71%), Nuwellis, Inc. (76.90%), Quoin Pharmaceuticals, Ltd. Sponsored ADR (1.77%), Aethlon Medical, Inc. (3.44%), 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 Bluejay Diagnostics stock? Short selling BJDX is an investing strategy that aims to generate trading profit from Bluejay Diagnostics as its price is falling. BJDX shares are trading up $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 Bluejay Diagnostics? A short squeeze for Bluejay 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 BJDX, which in turn drives the price of the stock up even further. How often is Bluejay 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 BJDX, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies HeartSciences Short Interest Sharps Technology Short Interest Strata Skin Sciences Short Interest Helius Medical Technologies Short Interest Innovative Eyewear Short Interest Autonomix Medical Short Interest GlucoTrack Short Interest Nuwellis Short Interest Quoin Pharmaceuticals Short Interest Aethlon Medical 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:BJDX) was last updated on 8/28/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... Again Back in 2018, when Jeff Brown told everyone to buy Tesla… ...Brownstone Research | SponsoredEveryone’s watching Nvidia right now. 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