NASDAQ:ARQQW Arqit Quantum (ARQQW) Stock Price, News & Analysis $1.57 -0.08 (-4.85%) Closing price 04/17/2025 03:45 PM EasternExtended Trading$1.58 +0.00 (+0.32%) As of 04/17/2025 04:01 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 AnalysisChartCompetitorsHeadlinesSEC FilingsTrendsBuy This Stock About Arqit Quantum Stock (NASDAQ:ARQQW) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get Arqit Quantum alerts:Sign Up Key Stats Today's Range$1.36▼$1.7450-Day Range$1.57▼$2.9152-Week Range$0.05▼$4.44Volume28,993 shsAverage Volume85,466 shsMarket CapitalizationN/AP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company OverviewArqit Quantum Inc. provides cybersecurity services through satellite and terrestrial platforms in the United Kingdom. It offers QuantumCloud, a Platform as a Service that creates unbreakable software encryption keys. The company also provides maintenance and support, and professional services. Arqit Quantum Inc. is based in London, the United Kingdom.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. Email Address ARQQW Stock News HeadlinesArqit Quantum appoints Jonathan Nguyen-Duy as CTOApril 17 at 8:06 AM | markets.businessinsider.com3 Quantum Computing Stocks to Avoid, According to AnalystsApril 15, 2025 | markets.businessinsider.comNow I look stupid. Real stupid... I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again. April 19, 2025 | Porter & Company (Ad)Arqit Quantum announces RSG signs a test, integration license for NetworkSecureApril 10, 2025 | markets.businessinsider.comArqit Quantum signs three-year agreement with telco operatorApril 8, 2025 | markets.businessinsider.comArqit Quantum Inc. Announces Select Preliminary Financial Results for First Half of Fiscal Year 2025April 4, 2025 | markets.businessinsider.comArqit Quantum reports prelim revenue for H1April 4, 2025 | msn.comWhy Arqit Quantum Inc. (ARQQ) Is Plunging in 2025?April 1, 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 $2.67 at the beginning of 2025. Since then, ARQQW shares have decreased by 41.2% and is now trading at $1.57. View the best growth stocks for 2025 here. 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. 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 (Most Recent Fiscal Year)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$293,000.00 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 13 Stocks Institutional Investors Won't Stop BuyingWhich stocks are hedge funds and endowments buying in today's market? 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