NASDAQ:BJDX Bluejay Diagnostics (BJDX) Stock Price, News & Analysis $3.19 -0.09 (-2.74%) Closing price 04:00 PM EasternExtended Trading$2.84 -0.36 (-11.13%) As of 05:53 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 Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock About Bluejay Diagnostics Stock (NASDAQ:BJDX) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get Bluejay Diagnostics alerts:Sign Up Key Stats Today's Range$2.65▼$3.2950-Day Range$1.30▼$3.2852-Week Range$1.26▼$12.45Volume1.74 million shsAverage Volume1.97 million shsMarket Capitalization$4.75 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingSell Company Overview Bluejay Diagnostics, Inc. (NASDAQ: BJDX) is a molecular diagnostics company focused on developing saliva-based tests for autoimmune and gastrointestinal conditions. The company’s lead diagnostic product is designed to detect tissue transglutaminase (tTG) antibodies in patient saliva samples, offering a noninvasive, point-of-care alternative to traditional blood draws and endoscopic procedures. Leveraging a proprietary immunoassay platform, Bluejay’s technology aims to streamline the detection and monitoring of celiac disease by providing rapid results outside of a conventional laboratory setting. The company has been pursuing clinical validation studies and regulatory clearances to support its plans for commercialization, working to demonstrate accuracy, reliability, and ease of use in both clinical and at-home environments. Headquartered in Norcross, Georgia, Bluejay Diagnostics serves the U.S. market with strategic plans to expand internationally once regulatory approvals and distribution partnerships are in place. The management team brings together expertise in diagnostics, biotech development, and regulatory affairs, positioning the company to navigate the complex pathways associated with medical device registration and market entry. As Bluejay advances its development pipeline, it aims to improve patient access to timely, accurate, and patient-friendly diagnostic solutions for celiac disease and related disorders.AI Generated. May Contain Errors. Read More Bluejay Diagnostics Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks16th Percentile Overall ScoreBJDX MarketRank™: Bluejay Diagnostics scored higher than 16% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's OpinionN/AAnalyst RatingN/A Consensus RatingThere is not enough analysis data for Bluejay Diagnostics.Read more about Bluejay Diagnostics' stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthN/A Price to Earnings Ratio vs. the MarketThe P/E ratio of Bluejay Diagnostics is -0.03, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of Bluejay Diagnostics is -0.03, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioBluejay Diagnostics has a P/B Ratio of 0.31. P/B Ratios below 1 indicate that a company could be undervalued with respect to its assets and liabilities.Read more about Bluejay Diagnostics' valuation and earnings. Short Interest4.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted6.29% of the float of Bluejay Diagnostics has been sold short.Short Interest Ratio / Days to CoverBluejay Diagnostics has a short interest ratio ("days to cover") of 0.1, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Bluejay Diagnostics has recently decreased by 11.94%, indicating that investor sentiment is improving significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldBluejay Diagnostics does not currently pay a dividend.Dividend GrowthBluejay Diagnostics does not have a long track record of dividend growth. Sustainability and ESGN/AEnvironmental ScoreN/A Percentage of Shares Shorted6.29% of the float of Bluejay Diagnostics has been sold short.Short Interest Ratio / Days to CoverBluejay Diagnostics has a short interest ratio ("days to cover") of 0.1, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Bluejay Diagnostics has recently decreased by 11.94%, indicating that investor sentiment is improving significantly. News and Social Media3.1 / 5News Sentiment0.56 News SentimentBluejay Diagnostics has a news sentiment score of 0.56. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 0.77 average news sentiment score of Medical companies.News Coverage This WeekMarketBeat has tracked 8 news articles for Bluejay Diagnostics this week, compared to 0 articles on an average week.Search Interest7 people have searched for BJDX on MarketBeat in the last 30 days. This is an increase of 75% compared to the previous 30 days.MarketBeat Follows1 people have added Bluejay Diagnostics to their MarketBeat watchlist in the last 30 days. Company Ownership0.0 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Bluejay Diagnostics insiders have not sold or bought any company stock.Percentage Held by InsidersOnly 0.08% of the stock of Bluejay Diagnostics is held by insiders.Percentage Held by InstitutionsOnly 18.47% of the stock of Bluejay Diagnostics is held by institutions.Read more about Bluejay Diagnostics' insider trading history. Receive BJDX Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Bluejay Diagnostics and its competitors with MarketBeat's FREE daily newsletter. Submit 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. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. BJDX Stock News HeadlinesBluejay Diagnostics, Inc. Closes Private Placement Raising $4.5 Million for FDA Approval and R&D Activities1 hour ago | quiverquant.comQBluejay Diagnostics Announces Closing of $4.5 Million Private Placement Priced At-The-Market Under Nasdaq Rules1 hour ago | globenewswire.comRobinhood warningA strange chasm is coming to Wall Street... It's already creating millionaires and billionaires at the fastest pace in history. CNBC calls it "the largest wealth creation spree in history." Yet 1 in 3 Americans now fear their financial situation is deteriorating. There's only one way to survive, says the man who predicted 2008 and 2020, but sadly it's already too late for many.October 10 at 2:00 AM | Stansberry Research (Ad)Bluejay Diagnostics announces $4.5M private placement priced at-the-marketOctober 10 at 5:39 AM | msn.comBluejay Diagnostics Announces $4.5 Million Private Placement Priced At-the-Market Under Nasdaq RulesOctober 9 at 3:15 PM | globenewswire.comBluejay Diagnostics stock soars after expanding manufacturing partnershipOctober 9 at 10:28 AM | za.investing.comBluejay Diagnostics Expands Partnership with SanyoSeiko to Enhance Symphony Platform CommercializationOctober 9 at 6:50 AM | quiverquant.comQBluejay Diagnostics and SanyoSeiko Expand Strategic Partnership to Advance Commercialization of Symphony PlatformOctober 9 at 6:30 AM | globenewswire.comSee More Headlines BJDX Stock Analysis - Frequently Asked Questions How have BJDX shares performed this year? Bluejay Diagnostics' stock was trading at $4.87 at the beginning of 2025. Since then, BJDX shares have decreased by 34.9% and is now trading at $3.17. How were Bluejay Diagnostics' earnings last quarter? Bluejay Diagnostics, Inc. (NASDAQ:BJDX) released its quarterly earnings results on Thursday, August, 7th. The company reported ($1.41) earnings per share for the quarter. When did Bluejay Diagnostics' stock split? Shares of Bluejay Diagnostics reverse split on the morning of Thursday, June 20th 2024.The 1-8 reverse split was announced on Thursday, June 20th 2024. The number of shares owned by shareholders was adjusted after the closing bell on Thursday, June 20th 2024. An investor that had 100 shares of stock prior to the reverse split would have 13 shares after the split. When did Bluejay Diagnostics IPO? Bluejay Diagnostics (BJDX) raised $22 million in an IPO on Wednesday, November 10th 2021. The company issued 2,160,000 shares at a price of $10.00 per share. How do I buy shares of Bluejay Diagnostics? Shares of BJDX stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of Bluejay Diagnostics own? Based on aggregate information from My MarketBeat watchlists, some other companies that Bluejay Diagnostics investors own include SoFi Technologies (SOFI), Athenex (ATNX), V.F. (VFC), Allarity Therapeutics (ALLR), Andersons (ANDE) and British American Tobacco (BTI). Company Calendar Last Earnings8/07/2025Today10/10/2025Next Earnings (Estimated)11/06/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED INSTRUMENTS Sub-IndustryMedical Equipment Current SymbolNASDAQ:BJDX CIK1704287 Webwww.bluejaydx.com Phone844-327-7078FaxN/AEmployees9Year Founded2015Profitability EPS (Trailing Twelve Months)($125.15) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$7.72 million Net MarginsN/A Pretax MarginN/A Return on Equity-362.07% Return on Assets-299.10% Debt Debt-to-Equity RatioN/A Current Ratio4.56 Quick Ratio4.56 Sales & Book Value Annual Sales$250 thousand Price / Sales16.83 Cash FlowN/A Price / Cash FlowN/A Book Value$10.34 per share Price / Book0.27Miscellaneous Outstanding Shares1,490,000Free Float1,493,000Market Cap$4.21 million OptionableNot Optionable Beta0.54 Social Links 5G Stocks: The Path Forward is ProfitableEnter your email address and we'll send you MarketBeat's guide to investing in 5G and which 5G stocks show the most promise. Get This Free Report This page (NASDAQ:BJDX) was last updated on 10/10/2025 by MarketBeat.com Staff From Our PartnersBitcoin grabs headlines, but smart money likes this tokenIf you're a futures trader (or want to be one), this could be the biggest shift you'll ever see in the prop fi...Neuro Street Trading Academy | SponsoredStunning new initiative unfolding in the White House?what I just learned about what’s unfolding in the White House is truly stunning… And you need to see it for...Paradigm Press | SponsoredURGENT: The Market's 3 Red Flags Are FlashingHere’s the uncomfortable truth: The smartest investors in the world are already preparing for a crash befor...StockEarnings | SponsoredU.S. Government Sparking Crypto RallyAltcoin ETFs could surge prices (do this now) My "Crypto Bull Run Millionaire Blueprint" breaks down exactl...Crypto 101 Media | Sponsored$100 Trillion “AI Metal” Found in American Ghost TownJeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could...Brownstone Research | Sponsored1 Hour Once A DayMy top income trading expert, Dave Aquino, just released a 1-hour trading strategy designed specifically to he...Base Camp Trading | SponsoredClaim Your Share of $5.39 BILLION in AI Equity ChecksThe U.S. government just took advantage of Public Law 81-774 to crack down on AI companies... 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