Quantum-Si (QSIAW) Stock Chart & Stock Price History $0.43 +0.01 (+1.39%) As of 03/28/2025 04:00 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsFinancialsSEC FilingsShort InterestTrendsBuy This Stock Quantum-Si Stock Price Performance 5 Day Performance-8.51%1 Month Performance-12.78%3 Month Performance-69.50%6 Month Performance+392.55%Year-To-Date Performance-65.60%1 Year Performance+77.54% Receive QSIAW Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Quantum-Si and its competitors with MarketBeat's FREE daily newsletter. Email Address QSIAW Stock Chart for Sunday, March, 30, 2025 QSIAW Chart by TradingViewRemove Ads Quantum-Si 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 Capitalization03/28/2025$0.43$0.43-0.92%$0.45$0.3720,305 shs$0.0003/27/2025$0.45$0.43-3.34%$0.46$0.3723,415 shs$0.0003/26/2025$0.47$0.45-4.47%$0.46$0.396,135 shs$0.0003/25/2025$0.45$0.47+4.44%$0.49$0.3634,591 shs$0.0003/24/2025$0.43$0.45+4.65%$0.49$0.3695,733 shs$0.0003/21/2025$0.45$0.43-4.34%$0.45$0.4212,252 shs$0.0003/20/2025$0.59$0.45-23.81%$0.54$0.4044,670 shs$0.0003/19/2025$0.67$0.59-11.73%$0.69$0.4627,732 shs$0.0003/18/2025$0.73$0.67-8.09%$0.71$0.5342,811 shs$0.0003/17/2025$0.49$0.73+49.94%$0.82$0.5379,654 shs$0.00 Get the Latest News and Ratings for QSIAW and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Quantum-Si and its competitors with MarketBeat's FREE daily newsletter. 03/14/2025$0.45$0.49+8.99%$0.52$0.3651,490 shs$0.0003/13/2025$0.42$0.45+4.95%$0.52$0.4421,883 shs$0.0003/12/2025$0.40$0.42+6.00%$0.53$0.3127,452 shs$0.0003/11/2025$0.38$0.40+6.67%$0.42$0.388,192 shs$0.0003/10/2025$0.44$0.38-14.36%$0.41$0.349,315 shs$0.0003/07/2025$0.47$0.44-6.03%$0.52$0.368,589 shs$0.0003/06/2025$0.50$0.47-7.36%$0.51$0.4619,674 shs$0.0003/05/2025$0.50$0.50+0.20%$0.51$0.476,553 shs$0.0003/04/2025$0.46$0.50+9.13%$0.53$0.4526,216 shs$0.0003/03/2025$0.49$0.46-6.69%$0.52$0.4510,125 shs$0.0002/28/2025$0.48$0.49+3.57%$0.53$0.4516,322 shs$0.00 Related Companies HTGMQ Stock Price Chart OLITW Stock Price Chart PRENW Stock Price Chart SMAPW Stock Price Chart TT Stock Price Chart KEYS Stock Price Chart FTV Stock Price Chart VLTO Stock Price Chart TER Stock Price Chart RVTY Stock Price Chart Receive QSIAW Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Quantum-Si and its competitors with MarketBeat's FREE daily newsletter. 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