NASDAQ:ARQQW Arqit Quantum (ARQQW) Stock Price, News & Analysis $0.08 +0.00 (+2.63%) As of 03:59 PM Eastern Add Compare Share Share Stock Analysis Stock AnalysisChartCompetitorsHeadlinesSEC FilingsShort InterestTrendsBuy This Stock About Arqit Quantum Stock (NASDAQ:ARQQW) 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 Arqit Quantum alerts:Sign Up Key Stats Today's Range$0.07▼$0.1050-Day Range$0.07▼$0.1552-Week Range$0.05▼$3.24Volume159,890 shsAverage Volume35,849 shsMarket CapitalizationN/AP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview Arqit Quantum Inc. is a London-based cybersecurity company specializing in quantum-secure encryption solutions designed to protect sensitive data and communications. The company’s flagship offering, QuantumCloud™, delivers one-time-pad-level security by generating and distributing encryption keys via a constellation of satellites and ground-based infrastructure. This approach enables enterprises, government agencies and critical infrastructure operators to secure data transmissions against both current and future threats posed by quantum computing. Founded in 2017, Arqit has leveraged partnerships with space launch providers and cryptographic research institutions to develop a scalable global network of quantum key distribution (QKD) services. The company’s architecture combines traditional public-key infrastructure with quantum-random-number generators, producing unique, ephemeral keys that are never reused. By virtualizing key generation in the cloud, Arqit aims to simplify deployment for customers and ensure interoperability with existing network protocols and devices. Arqit serves a global customer base across North America, Europe and Asia-Pacific, targeting sectors where data security is paramount, including finance, defense, telecommunications and critical national infrastructure. In addition to its core satellite-enabled service, the company offers on-premises and hybrid deployment options to meet the regulatory and operational requirements of diverse markets. Collaborative efforts with government agencies in the United Kingdom and United States have helped validate its technology in high-security environments. Under the leadership of CEO Tim McAdam, Arqit has continued to advance its roadmap of satellite launches and commercial rollouts. The company’s senior management team brings expertise in aerospace engineering, cryptography and enterprise software, positioning Arqit to address the evolving challenges posed by quantum computing. As organizations seek future-proof encryption strategies, Arqit Quantum aims to establish itself as a leader in quantum-resilient cybersecurity solutions.AI Generated. May Contain Errors. Read More Receive ARQQW Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Arqit Quantum 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. ARQQW Stock News HeadlinesArqit Quantum (ARQQW) Expected to Announce Quarterly Earnings on ThursdayMay 14, 2026 | americanbankingnews.comArqit Quantum Inc. WtApril 16, 2026 | barrons.comNobody Understands Why Trump Is Invading Iran (here’s the answer)Most investors are reacting to the Iran strikes without understanding the underlying motive driving the decision. Addison Wiggin, Founder of Grey Swan Investment Fraternity, says there is a hidden reason behind the bombing - and knowing it could change how you position your money right now.May 21 at 1:00 AM | Banyan Hill Publishing (Ad)Arqit Quantum Announces Board Resignation and CFO TransitionMarch 20, 2026 | theglobeandmail.comQuantum computing stocks extend selloff as only one buy rating remainsFebruary 12, 2026 | msn.comAssessing Arqit Quantum (ARQQ)’s Valuation After Its 2025 Earnings Release and 2026 Revenue Guidance UpdateDecember 19, 2025 | finance.yahoo.comArqit Quantum Inc (ARQQ) Full Year 2025 Earnings Call Highlights: Revenue Growth Amid Rising ...December 16, 2025 | finance.yahoo.comQuantum leap: Arqit demonstrates quantum-resilient data transmissionDecember 3, 2025 | msn.comSee More Headlines ARQQW Stock Analysis - Frequently Asked Questions How have ARQQW shares performed this year? Arqit Quantum's stock was trading at $0.1544 at the beginning of 2026. Since then, ARQQW stock has decreased by 49.5% and is now trading at $0.0780. How do I buy shares of Arqit Quantum? Shares of ARQQW 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. Company Calendar Today5/21/2026Next Earnings (Estimated)5/21/2026Get 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 (3w+) 1-Year History May 25 Aug 25 Nov 25 Feb 26 May 26 For the last 3 weeks, ARQQW's financial health has been in the Red zone, according to TradeSmith. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorComputer and Technology Industry Software - Infrastructure Sub-IndustryTrading Current SymbolNASDAQ:ARQQW CIK1859690 WebN/A Phone44-20-3917-0155FaxN/AEmployees147Year FoundedN/AProfitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current RatioN/A Quick RatioN/A Sales & Book Value Annual Sales$530 thousand Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding SharesN/AFree FloatN/AMarket CapN/A OptionableNot Optionable BetaN/A Beginner's Guide To Retirement StocksClick the link to see MarketBeat's list of seven best retirement stocks and why they should be in your portfolio. Get This Free Report This page (NASDAQ:ARQQW) was last updated on 5/21/2026 by MarketBeat.com Staff. 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