NASDAQ:PTIX Atrinsic (PTIX) Stock Price, News & Analysis $0.87 0.00 (0.00%) As of 09/11/2026 09:34 AM Eastern Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsInsider TradesSEC 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$0.81▼$0.8750-Day Range$0.13▼$1.2052-Week Range$0.13▼$4.55Volume429 shsAverage Volume30,551 shsMarket Capitalization$1.58 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingSell Company Overview Protagenic 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 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. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By 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. 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.comGold majors have a big problemNewmont spent 15 billion dollars acquiring Newcrest in 2023, the largest deal in gold mining history. Yet production stayed at 5.9 million ounces, unchanged from 2020. Newmont, Barrick and Agnico all face the same reserve shortage, pushing majors toward acquiring smaller producing miners. Recent deals show the pattern: Rupert Resources jumped 67 percent and G2 Goldfields jumped 79 percent the day their buyouts were announced. Analyst Garrett Goggin has identified four junior miners he believes are next on the shopping list.September 14 at 1:00 AM | Golden Portfolio (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 beginning of 2026. Since then, PTIX shares have decreased by 33.0% and is now trading at $0.8712. How were Atrinsic's earnings last quarter? Atrinsic Inc. (NASDAQ:PTIX) announced its earnings results on Wednesday, September, 10th. The company reported ($1.37) earnings per share (EPS) for the quarter. When did Atrinsic's stock split? Atrinsic's stock reverse split before market open 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 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 Fulcrum Therapeutics (FULC), NVIDIA (NVDA), Cytokinetics (CYTK), Heatwurx (PCSA), Akero Therapeutics (AKRO). Company Calendar Last Earnings9/10/2025Today9/14/2026Next 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 (10m+) 1-Year History Sep 25 Dec 25 Mar 26 Jun 26 Sep 26 PTIX's financial health is in the Red zone, according to TradeSmith. PTIX has been in this zone for over 10 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Biotechnology Sub-IndustryBiotechnology Current SymbolNASDAQ:PTIX CIK1022899 Webwww.protagenic.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 / Book0.44Miscellaneous Outstanding Shares1,810,000Free Float1,780,000Market Cap$1.58 million OptionableNot Optionable Beta1.82 Social Links Don't Wait for the OpenAI IPOThe AI wave will soon hit public markets with Anthropic and OpenAI set to go public later this year. However, you don't have to wait to invest. 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