NASDAQ:PTIX Protagenic Therapeutics (PTIX) Stock Price, News & Analysis $3.00 -0.12 (-3.70%) As of 01:30 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisChartCompetitorsEarningsInsider TradesSEC FilingsShort InterestTrendsBuy This Stock About Protagenic Therapeutics Stock (NASDAQ:PTIX) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get PTIX alerts:Sign Up Key Stats Today's Range$2.80▼$3.2250-Day Range$2.73▼$5.8552-Week Range$2.35▼$26.18Volume59,413 shsAverage Volume124,278 shsMarket Capitalization$1.76 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company OverviewProtagenic Therapeutics, Inc., a biopharmaceutical company, engages in the discovery and development of therapeutics to treat stress-related neuropsychiatric and mood disorders. Its lead compound comprises PT00114, a synthetic form of teneurin carboxy-terminal associated peptide, an endogenous brain signaling peptide that can dampen overactive stress responses. Protagenic Therapeutics, Inc. is headquartered in New York, New York.Read More… Protagenic Therapeutics Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks9th Percentile Overall ScorePTIX MarketRank™: Protagenic Therapeutics scored higher than 9% 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 Protagenic Therapeutics. Earnings and Valuation0.0 / 5Proj. Earnings GrowthN/A Price to Earnings Ratio vs. the MarketThe P/E ratio of Protagenic Therapeutics is -2.54, 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 Protagenic Therapeutics is -2.54, 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 RatioProtagenic Therapeutics has a P/B Ratio of 3.89. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities.Read more about Protagenic Therapeutics' valuation and earnings. Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted4.53% of the float of Protagenic Therapeutics has been sold short.Short Interest Ratio / Days to CoverProtagenic Therapeutics 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 Protagenic Therapeutics has recently increased by 319.60%, indicating that investor sentiment is decreasing significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldProtagenic Therapeutics does not currently pay a dividend.Dividend GrowthProtagenic Therapeutics does not have a long track record of dividend growth. Sustainability and ESGN/AEnvironmental ScoreN/A Percentage of Shares Shorted4.53% of the float of Protagenic Therapeutics has been sold short.Short Interest Ratio / Days to CoverProtagenic Therapeutics 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 Protagenic Therapeutics has recently increased by 319.60%, indicating that investor sentiment is decreasing significantly. News and Social Media1.9 / 5News Sentiment0.47 News SentimentProtagenic Therapeutics has a news sentiment score of 0.47. 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 0.86 average news sentiment score of Medical companies.News Coverage This WeekMarketBeat has tracked 2 news articles for Protagenic Therapeutics this week, compared to 0 articles on an average week.Search InterestOnly 1 people have searched for PTIX on MarketBeat in the last 30 days. This is a decrease of -50% compared to the previous 30 days. Company Ownership1.7 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Protagenic Therapeutics insiders have not sold or bought any company stock.Percentage Held by Insiders35.00% of the stock of Protagenic Therapeutics is held by insiders. A high percentage of insider ownership can be a sign of company health.Percentage Held by InstitutionsOnly 7.97% of the stock of Protagenic Therapeutics is held by institutions.Read more about Protagenic Therapeutics' insider trading history. Receive PTIX Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Protagenic Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address PTIX Stock News HeadlinesProtagenic Therapeutics Inc.May 9 at 7:48 AM | barrons.comProtagenic Therapeutics, Inc.: Protagenic Therapeutics to Effect 1-for-14 Reverse Stock SplitApril 29, 2025 | finanznachrichten.deFeds Just Admitted It—They Can Take Your CashThe Government Just Said Your Money Isn't Yours That's right—According to the DOJ, YOUR hard-earned money isn't legally yours. Now, think your savings are safe? Think again.May 12, 2025 | Priority Gold (Ad)Protagenic Therapeutics adjusts stock option pricesFebruary 26, 2025 | uk.investing.comPTIX stock touches 52-week low at $0.25 amid sharp annual declineFebruary 11, 2025 | msn.comAvalon Holdings (AMEX:AWX) Stock Quotes, Forecast and News SummaryJanuary 31, 2025 | benzinga.comPerformance Tech stock hits 52-week low at $0.4January 30, 2025 | msn.comProtagenic Therapeutics faces Nasdaq delisting over equity deficitDecember 5, 2024 | investing.comSee More Headlines PTIX Stock Analysis - Frequently Asked Questions How have PTIX shares performed this year? Protagenic Therapeutics' stock was trading at $6.86 at the beginning of the year. Since then, PTIX shares have decreased by 52.9% and is now trading at $3.23. View the best growth stocks for 2025 here. How were Protagenic Therapeutics' earnings last quarter? Protagenic Therapeutics, Inc. (NASDAQ:PTIX) posted its quarterly earnings data on Monday, March, 31st. The company reported ($3.36) earnings per share (EPS) for the quarter. When did Protagenic Therapeutics' stock split? Shares of Protagenic Therapeutics reverse split on Monday, May 5th 2025. A 1-14 reverse split was announced. The number of shares owned by shareholders was adjusted after the closing bell on Sunday, May 4th 2025. An investor that had 100 shares of stock prior to the reverse split would have 7 shares after the split. How do I buy shares of Protagenic Therapeutics? Shares of PTIX 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 Protagenic Therapeutics own? Based on aggregate information from My MarketBeat watchlists, some other companies that Protagenic Therapeutics investors own include Fulcrum Therapeutics (FULC), VIVUS (VVUS), NVIDIA (NVDA), Cytokinetics (CYTK), Processa Pharmaceuticals (PCSA), Acasti Pharma (ACST) and Akero Therapeutics (AKRO). Company Calendar Last Earnings3/31/2025Today5/12/2025Next Earnings (Estimated)5/13/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Pharmaceutical preparations Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:PTIX CIK1022899 Webwww.protagenic.com Phone212-994-8200Fax603-761-6223Employees2Year FoundedN/AProfitability EPS (Most Recent Fiscal Year)($15.83) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income$-5,000,000.00 Net MarginsN/A Pretax MarginN/A Return on Equity-308.97% Return on Assets-228.73% Debt Debt-to-Equity RatioN/A Current Ratio1.80 Quick Ratio1.80 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book Value$0.83 per share Price / Book3.89Miscellaneous Outstanding Shares589,000Free Float4,707,000Market Cap$1.90 million OptionableNot Optionable Beta0.28 The Next 7 Blockbuster Stocks for Growth InvestorsWondering what the next stocks will be that hit it big, with solid fundamentals? Enter your email address to see which stocks MarketBeat analysts could become the next blockbuster growth stocks.Get This Free Report This page (NASDAQ:PTIX) was last updated on 5/12/2025 by MarketBeat.com Staff From Our PartnersThis Is The Moment You Betray Trump (Or Prove Them Wrong)They said you wouldn’t last—that Bidenflation, Wall Street selloffs, and DEI funds would break your loyalty to...Colonial Metals | SponsoredBlackrock’s Sending THIS Crypto Higher on PurposeWhile everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly po...Crypto 101 Media | SponsoredGold Hits New Highs as Global Markets SpiralWhen Trump took office in 2017, gold was just $1,100 an ounce. By the time he left, it had soared to $1,839. ...Premier Gold Co | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredVIDEO: Strange New Elon Device to Shock the WorldElon Musk’s Next BIG Bet And this time he plans to dominate a market worth $3.2 trillion. That’s why I’m...Banyan Hill Publishing | SponsoredElon Set to Shock the World on June 1st?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | SponsoredSilicon Valley Gold RushA new technology has sparked a modern-day gold rush in Silicon Valley. OpenAI’s Sam Altman invested $375M. Bil...Stansberry Research | SponsoredThis picture could hold the secret to the market's next move.A strange investment secret — discovered just a few short weeks before this image was taken — correctly predic...Weiss Ratings | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Protagenic Therapeutics, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Protagenic Therapeutics With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.