NASDAQ:ARQQW Arqit Quantum (ARQQW) Stock Price, News & Analysis $1.31 -0.17 (-11.49%) Closing price 03:59 PM EasternExtended Trading$1.32 +0.01 (+0.84%) As of 07:37 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$1.18▼$1.6350-Day Range$1.31▼$2.9952-Week Range$0.05▼$4.44Volume401,364 shsAverage Volume96,805 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 Inc. Joins Oracle Defense Ecosystem to Enhance Quantum-Safe Security SolutionsJune 17 at 10:19 AM | quiverquant.comArqit Quantum Inc (ARQQ) H1 2025 Earnings Call Highlights: Strategic Contracts and Market ...May 23, 2025 | finance.yahoo.comThe Biggest Story of My Decade-Long Career in Silicon ValleySteve Jobs' Lost 'Product' Could Save Tesla On July 21st, a revolutionary announcement could transform Tesla from a car company into "the most valuable business in history." CNBC calls it a "$25 TRILLION opportunity."June 20, 2025 | InvestorPlace (Ad)Arqit Quantum Inc. (NASDAQ:ARQQ) Q2 2025 Earnings Call TranscriptMay 23, 2025 | msn.comArqit Quantum Inc. Reports Financial Results for First Half of Fiscal Year 2025May 22, 2025 | quiverquant.comWith 50% ownership, Arqit Quantum Inc. (NASDAQ:ARQQ) insiders have a lot riding on the company's futureApril 20, 2025 | uk.finance.yahoo.comArqit Quantum appoints Jonathan Nguyen-Duy as CTOApril 17, 2025 | markets.businessinsider.com3 Quantum Computing Stocks to Avoid, According to AnalystsApril 15, 2025 | markets.businessinsider.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 the year. Since then, ARQQW stock has decreased by 50.9% and is now trading at $1.31. 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$241 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 10 Stocks Set to Soar in Summer 2025Enter your email address and we'll send you MarketBeat's list of ten stocks that are set to soar in Summer 2025, despite the threat of tariffs and other economic uncertainty. These ten stocks are incredibly resilient and are likely to thrive in any economic environment.Get This Free Report This page (NASDAQ:ARQQW) was last updated on 6/20/2025 by MarketBeat.com Staff From Our PartnersThe 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 | Sponsored379 passengers walked away from thisWhy Elon Musk Just Invested $51 Million Into Brand New “Miracle Metal” Developed by MIT ScientistsTrue Market Insiders | SponsoredWhen This Happens, You Don’t Wait. You Act.This same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredThe Biggest Story of My Decade-Long Career in Silicon ValleySteve Jobs' Lost 'Product' Could Save Tesla On July 21st, a revolutionary announcement could transform Tesl...InvestorPlace | SponsoredA grave, grave error.It seems like the world is on fire. 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