NASDAQ:ARQQ Arqit Quantum (ARQQ) Stock Price, News & Analysis $23.68 -0.94 (-3.82%) Closing price 10/5/2026 04:00 PM EasternExtended Trading$23.51 -0.17 (-0.72%) As of 07:06 AM 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 Massive. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsFinancialsInsider TradesNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest About Arqit Quantum Stock (NASDAQ:ARQQ) 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$23.48▼$24.4450-Day Range$15.49▼$24.6452-Week Range$11.52▼$62.00Volume166,172 shsAverage Volume354,714 shsMarket Capitalization$362.07 millionP/E RatioN/ADividend YieldN/APrice Target$60.00Consensus RatingHold Company Overview Arqit Quantum Inc. is a cybersecurity company that develops encryption technology designed to protect data and communications against current and future cyber threats, including potential attacks enabled by quantum computing. The company’s solutions are intended for governments, enterprises and other organizations that need to secure sensitive information across networks, devices and cloud environments. Arqit’s principal offering is QuantumCloud, a cloud-based platform designed to enable the creation and management of secure encryption keys. Its technology uses symmetric-key encryption and is intended to support secure communications across a range of applications, including data transmission, connected devices and critical infrastructure. The company has also developed products and services under the Arqit SKYLARK brand to help organizations deploy and manage quantum-resistant security capabilities. Founded in 2017, Arqit is headquartered in London and serves customers and partners internationally, including in the government, defense, telecommunications and commercial sectors. The company became publicly listed on the Nasdaq in 2021 through a business combination with a special purpose acquisition company. Arqit was founded by David Williams, who has served as its chief executive officer.AI Generated. May Contain Errors. Read More Arqit Quantum Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks42nd Percentile Overall ScoreARQQ MarketRank™: Arqit Quantum scored higher than 42% of companies evaluated by MarketBeat, and ranked 426th out of 598 stocks in the technology sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.2 / 5Analyst RatingHold Consensus RatingArqit Quantum has received a consensus rating of Hold. The company's average rating score is 2.00, and is based on no strong buy ratings, 1 buy rating, no hold ratings, and 1 sell rating.Upside PotentialArqit Quantum has a consensus price target of $60.00, representing about 153.4% upside from its current price of $23.68.Amount of Analyst CoverageArqit Quantum has only been the subject of 1 research reports in the past 90 days.Read more about Arqit Quantum's stock forecast and price target. Earnings and Valuation0.0 / 5Proj. Earnings GrowthN/A Price to Book Value per Share RatioArqit Quantum has a P/B Ratio of 13.30. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities.Read more about Arqit Quantum's valuation and earnings. Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted35.14% of the float of Arqit Quantum has been sold short.Short Interest Ratio / Days to CoverArqit Quantum has a short interest ratio ("days to cover") of 5.78.Change versus previous monthShort interest in Arqit Quantum has recently decreased by 6.22%, indicating that investor sentiment is improving significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldArqit Quantum does not currently pay a dividend.Dividend GrowthArqit Quantum does not have a long track record of dividend growth. News and Social Media2.9 / 5News SentimentN/A News SentimentArqit Quantum has a news sentiment score of 0.58. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a higher news sentiment than the 0.46 average news sentiment score of Technology companies.News Coverage This WeekMarketBeat has tracked 1 news article for Arqit Quantum this week, compared to 2 articles on an average week.Search Interest15 people have searched for ARQQ on MarketBeat in the last 30 days. This is an increase of 114% compared to the previous 30 days.MarketBeat FollowsOnly 3 people have added Arqit Quantum to their MarketBeat watchlist in the last 30 days. This is a decrease of -40% compared to the previous 30 days. Company Ownership0.9 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Arqit Quantum insiders have not sold or bought any company stock.Percentage Held by Insiders54.60% of the stock of Arqit Quantum is held by insiders. A high percentage of insider ownership can be a sign of company health.Percentage Held by Institutions16.60% of the stock of Arqit Quantum is held by institutions.Read more about Arqit Quantum's insider trading history. Receive ARQQ 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. ARQQ Stock News HeadlinesArqit Quantum (ARQQ)September 29, 2026 | es.investing.comBabcock and Arqit demonstrate secure communications network designed to counter future quantum-enabled threatsSeptember 22, 2026 | globenewswire.comYour book is insideThe "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. They don't know the rules. They don't know what to avoid. And they hand their account to Wall Street on a silver platter. Normally $29.97. Free today.October 6 at 1:00 AM | Profits Run (Ad)The Quantum Deadline Moved Up. Most Firms Cannot Find Their Own Keys.September 10, 2026 | theglobeandmail.comArqit, Es’hailSat and AIEE Demonstrate Quantum-Safe Security Across Live Satellite Communications InfrastructureSeptember 1, 2026 | quiverquant.comQArqit, Es'hailSat and AIEE Demonstrate Quantum-Safe Satellite SecuritySeptember 1, 2026 | globenewswire.comArqit Quantum: The Little Boat That Couldn'tAugust 25, 2026 | seekingalpha.comnLighten and Arqit prove you can use the public cloud without giving up sovereigntyJuly 14, 2026 | globenewswire.comSee More Headlines ARQQ Stock Analysis - Frequently Asked Questions How have ARQQ shares performed this year? Arqit Quantum's stock was trading at $21.88 at the beginning of 2026. Since then, ARQQ stock has increased by 8.2% and is now trading at $23.68. How were Arqit Quantum's earnings last quarter? Arqit Quantum Inc. (NASDAQ:ARQQ) posted its quarterly earnings results on Thursday, May, 22nd. The company reported ($1.35) earnings per share (EPS) for the quarter. Read the conference call transcript. When did Arqit Quantum's stock split? Arqit Quantum's stock reverse split on Wednesday, September 25th 2024.The 1-25 reverse split was announced on Thursday, September 19th 2024. The number of shares owned by shareholders was adjusted after the closing bell on Tuesday, September 24th 2024. An investor that had 100 shares of stock prior to the reverse split would have 4 shares after the split. How do I buy shares of Arqit Quantum? Shares of ARQQ 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 Arqit Quantum own? Based on aggregate information from My MarketBeat watchlists, some other companies that Arqit Quantum investors own include Enovix (ENVX), Rambus (RMBS), Compass Pathways (CMPS), Saia (SAIA), Toast (TOST), Ginkgo Bioworks (DNA) and Luminar Technologies (LAZR). Company Calendar Last Earnings5/22/2025Today10/06/2026Next Earnings (Estimated)12/16/2026Fiscal Year End9/30/2027Get 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. Yellow Zone (3m+) 1-Year History Oct 25 Jan 26 Apr 26 Jul 26 Oct 26 ARQQ's financial health is in the Yellow zone, according to TradeSmith. ARQQ has been in this zone for over 3 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorTechnology Industry Software Sub-IndustrySystems Software Current SymbolNASDAQ:ARQQ CIK1859690 Webarqitgroup.com Phone44-20-3917-0155FaxN/AEmployees87Year Founded2017Price Target and Rating Average Price Target for Arqit Quantum$60.00 High Price Target$60.00 Low Price Target$60.00 Potential Upside/Downside+153.4%Consensus RatingHold Rating Score (0-4)2.00 Research Coverage2 Analysts Profitability 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 Ratio4.88 Quick RatioN/A Sales & Book Value Annual Sales$530 thousand Price / Sales683.15 Cash FlowN/A Price / Cash FlowN/A Book Value$1.78 per share Price / Book13.30Miscellaneous Outstanding Shares15,290,000Free Float6,943,000Market Cap$362.07 million OptionableOptionable Beta2.81 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. 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