NASDAQ:PTIX Atrinsic (PTIX) Stock Price, News & Analysis $0.75 -0.05 (-6.25%) As of 09:30 AM Eastern Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsSEC Filings About Atrinsic Stock (NASDAQ:PTIX) 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 Atrinsic alerts:Sign Up Key Stats Today's Range$0.75▼$0.7550-Day Range$0.22▼$1.2052-Week Range$0.13▼$3.32Volume161 shsAverage Volume27,332 shsMarket Capitalization$1.36 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingSell Company Overview Atrinsic, Inc. was a digital marketing and online advertising company that operated during the 2000s and early 2010s. Its business focused on customer acquisition, performance-based marketing and direct-response campaigns conducted through online channels. The company used websites, email marketing, search marketing and other digital media to promote products and services for advertisers and merchants. Its activities were primarily directed at internet users in the United States, although online marketing programs could reach consumers in other markets. Atrinsic is no longer the operating name associated with the company. Following a corporate transaction, the business was renamed Protagenic Therapeutics, Inc., which subsequently pursued biotechnology research and development rather than Atrinsic’s former digital marketing activities.AI Generated. May Contain Errors. Read More Receive PTIX Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Atrinsic and its competitors with MarketBeat's FREE daily newsletter. 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PTIX Stock News HeadlinesProtagenic Therapeutics Announces Grant of new patent in Japan for its Modified Stilbenoid Program Drug CandidatesJuly 30, 2025 | globenewswire.comProtagenic Therapeutics, Inc. (PTIX) - Yahoo FinanceJune 24, 2025 | finance.yahoo.comTrump's New DollarPorter Stansberry says President Trump has signed an executive order initiating what he calls a full U.S. dollar reset - and most Americans don't know it's happening. The last time America underwent a monetary shift like this, under Nixon in the 1970s, it minted an average of 1,300 new millionaires a day for over half a century. Stansberry has released a new documentary naming the assets he believes are positioned to surge as a result.October 15 at 1:00 AM | Porter & Company (Ad)Protagenic & Phytanix Merge in All-Stock Move, Sparking Retail FrenzyMay 29, 2025 | msn.comProtagenic Therapeutics swaps warrants for sharesMay 21, 2025 | uk.investing.comProtagenic Therapeutics Shares Double After Buyout Offer From Phytanix BioMay 20, 2025 | marketwatch.comProtagenic Therapeutics stock soars on merger to create Neuroactive Biopharmaceutical companyMay 20, 2025 | in.investing.comProtagenic Therapeutics Merges With Phytanix Bio In All-Stock Deal: Retail Turns Extremely BullishMay 20, 2025 | msn.comSee More Headlines PTIX Stock Analysis - Frequently Asked Questions How have PTIX shares performed this year? Atrinsic's stock was trading at $1.30 at the start of the year. Since then, PTIX shares have decreased by 42.3% and is now trading at $0.75. How were Atrinsic's earnings last quarter? Atrinsic Inc. (NASDAQ:PTIX) announced its quarterly earnings results on Wednesday, September, 10th. The company reported ($1.37) EPS for the quarter. When did Atrinsic's stock split? Atrinsic's stock reverse split on the morning of Monday, May 5th 2025.A 1-14 reverse split was announced. The number of shares owned by shareholders was adjusted after the market closes 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 Atrinsic? 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 Atrinsic own? Based on aggregate information from My MarketBeat watchlists, some other companies that Atrinsic investors own include Aptorum Group (APM), Plug Power (PLUG), Boeing (BA), Bank of America (BAC), Astrotech (ASTC), Athersys (ATHX) and American Airlines Group (AAL). Company Calendar Last Earnings9/10/2025Today10/15/2026Next Earnings (Estimated)11/17/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Red Zone (11m+) 1-Year History Oct 25 Jan 26 Apr 26 Jul 26 Oct 26 PTIX's financial health is in the Red zone, according to TradeSmith. PTIX has been in this zone for over 11 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Biotechnology Sub-IndustryBiotechnology Current SymbolNASDAQ:PTIX CIK1022899 Webphytanix.com Phone212-994-8200Fax603-761-6223Employees2Year Founded1994Profitability EPS (Trailing Twelve Months)$2.23 Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$5.53 million Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on Assets-379.72% Debt Debt-to-Equity RatioN/A Current Ratio0.29 Quick Ratio0.29 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book Value$1.96 per share Price / Book0.38Miscellaneous Outstanding Shares1,810,000Free Float1,780,000Market Cap$1.36 million OptionableNot Optionable Beta1.84 Social Links 10 Stocks Powering The Next AI Boom The AI boom is creating opportunities across semiconductors, cloud computing, enterprise software, infrastructure, cybersecurity, and automation. Inside this report, you’ll find 10 companies positioned to benefit as artificial intelligence moves from hype to real-world deployment and becomes a core growth driver for corporate America.Get This Free Report This page (NASDAQ:PTIX) was last updated on 10/15/2026 by MarketBeat.com Staff. From Our PartnersALERT: Drop these 5 stocks before the market opens tomorrow!The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...Weiss Ratings | SponsoredSmall Colorado Company (Backed by Sam Altman) Could Save U.S. Power GridA small Colorado company has secured rights to technology that could prevent the U.S. public power grid from c...Altimetry | SponsoredReady to give options a try? 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