Quantum-Si incorporated (QSI)
NASDAQ: QSI · Real-Time Price · USD
1.065
-0.015 (-1.39%)
Sep 3, 2025, 11:06 AM - Market open

Quantum-Si incorporated Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 3, 20251.081.111.071.09-0.46%465,816
Sep 2, 20251.101.131.071.081.08-3.57%4,078,682
Aug 29, 20251.141.151.101.121.12-2.61%3,471,787
Aug 28, 20251.191.221.131.151.15-0.86%4,261,908
Aug 27, 20251.161.221.151.161.16-0.85%5,191,520
Aug 26, 20251.131.181.111.171.172.63%3,624,365
Aug 25, 20251.131.171.111.141.14-3,877,413
Aug 22, 20251.101.161.061.141.142.70%6,872,459
Aug 21, 20250.981.140.981.111.1111.00%9,296,919
Aug 20, 20251.011.020.951.001.00-2.91%11,048,277
Aug 19, 20251.131.141.021.031.03-5.50%7,997,647
Aug 18, 20251.111.121.091.091.09-0.91%4,931,097
Aug 15, 20251.131.141.091.101.10-1.79%5,863,645
Aug 14, 20251.181.191.081.121.12-4.27%9,810,755
Aug 13, 20251.191.211.141.171.170.86%7,961,070
Aug 12, 20251.201.221.141.161.16-3.33%9,882,629
Aug 11, 20251.271.281.181.201.20-5.51%8,681,807
Aug 8, 20251.331.351.261.271.27-4.51%6,536,088
Aug 7, 20251.361.381.311.331.33-2.92%4,185,198
Aug 6, 20251.361.391.271.371.37-4.86%8,481,578
Aug 5, 20251.461.481.401.441.44-7,832,861
Aug 4, 20251.491.491.431.441.44-1.37%4,385,133
Aug 1, 20251.421.491.401.461.46-1.35%4,434,681
Jul 31, 20251.621.621.471.481.48-8.64%11,156,626
Jul 30, 20251.701.701.611.621.62-0.92%4,441,658
Jul 29, 20251.801.801.601.641.64-8.66%9,424,027
Jul 28, 20251.931.951.761.791.79-7.25%6,785,434
Jul 25, 20251.971.981.851.931.93-2.53%7,424,730
Jul 24, 20251.951.991.861.981.985.32%10,677,478
Jul 23, 20251.831.901.771.881.884.44%8,536,946
Jul 22, 20251.741.811.681.801.804.65%5,848,755
Jul 21, 20251.781.801.711.721.72-2.27%5,667,910
Jul 18, 20251.841.861.751.761.76-3.30%6,449,250
Jul 17, 20251.811.851.791.821.821.11%6,462,155
Jul 16, 20251.751.821.691.801.804.65%6,946,474
Jul 15, 20251.781.781.681.721.72-0.58%5,424,614
Jul 14, 20251.711.751.671.731.73-5,900,864
Jul 11, 20251.801.821.721.731.73-4.42%6,159,729
Jul 10, 20251.881.891.801.811.81-3.21%5,751,029
Jul 9, 20251.821.881.741.871.873.31%8,557,464
Jul 8, 20251.881.881.801.811.81-0.82%9,999,474
Jul 7, 20251.921.951.811.831.83-14.72%16,643,756
Jul 3, 20252.042.182.032.142.148.08%12,849,657
Jul 2, 20251.882.001.871.981.984.21%5,715,541
Jul 1, 20251.952.001.871.901.90-3.06%6,051,480
Jun 30, 20251.972.041.951.961.960.51%7,019,365
Jun 27, 20252.062.061.871.951.95-4.88%12,397,294
Jun 26, 20252.022.091.972.052.051.49%7,975,590
Jun 25, 20252.042.141.972.022.027.45%23,326,075
Jun 24, 20251.651.901.641.881.8813.94%9,861,996