Arqit Quantum (ARQQW) Stock Chart & Stock Price History $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 Chart Stock AnalysisChartCompetitorsHeadlinesSEC FilingsTrendsBuy This Stock Arqit Quantum Stock Price Performance 5 Day Performance-6.55%1 Month Performance-33.19%3 Month Performance-44.91%6 Month Performance+1,219.33%Year-To-Date Performance-41.20%1 Year Performance+666.60% Receive ARQQW Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Arqit Quantum and its competitors with MarketBeat's FREE daily newsletter. Email Address ARQQW Stock Chart for Saturday, April, 19, 2025 ARQQW Chart by TradingView Arqit Quantum Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/18/2025$1.57$1.57$1.74$1.3628,993 shs$0.0004/17/2025$1.65$1.57-4.85%$1.74$1.3628,993 shs$0.0004/16/2025$1.90$1.65-13.16%$1.90$1.658,880 shs$0.0004/15/2025$1.68$1.90+13.10%$2.00$1.6446,691 shs$0.0004/14/2025$1.79$1.68-5.88%$1.95$1.6327,523 shs$0.0004/11/2025$1.88$1.79-4.80%$1.99$1.7049,473 shs$0.0004/10/2025$2.10$1.88-10.71%$2.04$1.7840,241 shs$0.0004/09/2025$1.80$2.10+16.67%$2.10$1.63166,397 shs$0.0004/09/2025$1.80$2.10+16.67%$2.10$1.63166,397 shs$0.0004/08/2025$1.75$1.80+2.79%$1.87$1.7526,515 shs$0.00 Get the Latest News and Ratings for ARQQW and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Arqit Quantum and its competitors with MarketBeat's FREE daily newsletter. 04/08/2025$1.75$1.80+2.79%$1.87$1.7526,515 shs$0.0004/07/2025$1.81$1.75-2.98%$1.92$1.4123,213 shs$0.0004/04/2025$1.63$1.81+10.65%$2.02$1.5596,023 shs$0.0004/03/2025$1.90$1.63-14.15%$1.83$1.6327,726 shs$0.0004/02/2025$1.83$1.90+3.83%$1.90$1.7615,428 shs$0.0004/01/2025$2.02$1.83-9.40%$2.02$1.8211,515 shs$0.0003/31/2025$1.75$2.02+15.42%$2.64$1.61101,168 shs$0.0003/28/2025$1.83$1.75-4.20%$1.81$1.735,500 shs$0.0003/27/2025$1.93$1.83-5.35%$1.88$1.6026,859 shs$0.0003/26/2025$1.96$1.93-1.53%$2.00$1.924,380 shs$0.0003/25/2025$2.07$1.96-5.31%$2.38$1.7310,416 shs$0.0003/24/2025$2.10$2.07-1.43%$2.35$1.9257,890 shs$0.0003/21/2025$2.07$2.10+1.45%$2.50$1.6946,083 shs$0.0003/20/2025$2.35$2.07-11.91%$2.37$1.9729,668 shs$0.0003/19/2025$2.85$2.35-17.54%$2.95$2.2276,336 shs$0.0003/18/2025$2.67$2.85+6.74%$2.91$2.5537,645 shs$0.00 Related Companies A SPAC III Acquisition Stock Price Chart AGBA Group Stock Price Chart AGNC Investment Stock Price Chart AGNC Investment Stock Price Chart AGNC Investment Stock Price Chart AGNC Investment Stock Price Chart AGNC Investment Stock Price Chart Agriculture & Natural Solutions Acquisition Stock Price Chart Agriculture & Natural Solutions Acquisition Stock Price Chart AI Transportation Acquisition Stock Price Chart Receive ARQQW Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Arqit Quantum and its competitors with MarketBeat's FREE daily newsletter. 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