Quantum-Si Incorporated - Class A Common Stock (QSI)

Last Price0.7850

Change-0.0050 (-0.63%)

NASDAQ · Last Trade: Sep 25th, 4:20 AM EDT

Historical Prices For Quantum-Si Incorporated - Class A Common Stock (QSI)

Date Range:

2026-06-25 - 2026-09-25

Date	Open	High	Low	Close	Volume	Adjusted Close
9/24/2026	0.75	0.80	0.74	0.79	1,591,860	0.79
9/23/2026	0.79	0.81	0.75	0.76	1,476,352	0.76
9/22/2026	0.76	0.79	0.75	0.78	2,422,804	0.78
9/21/2026	0.76	0.77	0.75	0.76	1,125,362	0.76
9/18/2026	0.79	0.80	0.74	0.75	1,713,328	0.75
9/17/2026	0.75	0.80	0.75	0.77	2,825,673	0.77
9/16/2026	0.72	0.75	0.72	0.73	914,148	0.73
9/15/2026	0.72	0.74	0.72	0.72	1,166,787	0.72
9/14/2026	0.73	0.75	0.72	0.72	1,390,388	0.72
9/11/2026	0.74	0.76	0.74	0.74	1,074,255	0.74
9/10/2026	0.75	0.76	0.73	0.74	1,712,968	0.74
9/09/2026	0.76	0.77	0.75	0.75	1,448,027	0.75
9/08/2026	0.77	0.79	0.76	0.76	1,054,331	0.76
9/04/2026	0.76	0.77	0.76	0.77	898,784	0.77
9/03/2026	0.77	0.79	0.76	0.76	978,680	0.76
9/02/2026	0.76	0.79	0.75	0.76	1,619,243	0.76
9/01/2026	0.75	0.78	0.75	0.76	1,503,715	0.76
8/31/2026	0.78	0.78	0.76	0.77	1,133,253	0.77
8/28/2026	0.82	0.82	0.77	0.78	2,417,640	0.78
8/27/2026	0.79	0.83	0.79	0.80	1,375,265	0.80
8/26/2026	0.85	0.85	0.79	0.79	2,658,613	0.79
8/25/2026	0.79	0.86	0.78	0.85	4,369,811	0.85
8/24/2026	0.80	0.83	0.75	0.77	3,852,862	0.77
8/21/2026	0.78	0.93	0.78	0.83	7,825,144	0.83
8/20/2026	0.77	0.81	0.77	0.78	3,233,552	0.78
8/19/2026	0.72	0.78	0.72	0.77	2,862,845	0.77
8/18/2026	0.73	0.74	0.72	0.73	1,516,740	0.73
8/17/2026	0.74	0.80	0.74	0.74	2,426,215	0.74
8/14/2026	0.75	0.77	0.71	0.74	7,000,672	0.74
8/13/2026	0.85	0.91	0.79	0.79	4,345,962	0.79
8/12/2026	0.83	0.87	0.83	0.84	1,494,815	0.84
8/11/2026	0.80	0.85	0.80	0.82	2,051,274	0.82
8/10/2026	0.82	0.84	0.79	0.79	2,432,190	0.79
8/07/2026	0.76	0.83	0.76	0.81	2,730,131	0.81
8/06/2026	0.75	0.78	0.75	0.76	1,475,248	0.76
8/05/2026	0.78	0.79	0.76	0.76	2,482,430	0.76
8/04/2026	0.76	0.80	0.76	0.77	3,985,947	0.77
8/03/2026	0.72	0.76	0.71	0.75	2,703,735	0.75
7/31/2026	0.73	0.75	0.71	0.71	1,840,508	0.71
7/30/2026	0.73	0.74	0.69	0.72	3,551,651	0.72
7/29/2026	0.76	0.78	0.70	0.70	4,099,050	0.70
7/28/2026	0.78	0.78	0.74	0.76	3,268,068	0.76
7/27/2026	0.79	0.81	0.77	0.78	1,084,385	0.78
7/24/2026	0.79	0.80	0.76	0.77	2,588,776	0.77
7/23/2026	0.79	0.83	0.78	0.79	3,287,907	0.79
7/22/2026	0.81	0.85	0.80	0.80	2,836,877	0.80
7/21/2026	0.82	0.85	0.82	0.84	1,468,331	0.84
7/20/2026	0.83	0.84	0.81	0.82	1,501,611	0.82
7/17/2026	0.82	0.85	0.80	0.82	2,295,009	0.82
7/16/2026	0.85	0.86	0.81	0.82	3,705,097	0.82
7/15/2026	0.87	0.90	0.86	0.86	2,254,697	0.86
7/14/2026	0.87	0.90	0.86	0.87	1,209,087	0.87
7/13/2026	0.88	0.88	0.85	0.87	3,530,809	0.87
7/10/2026	0.95	0.95	0.88	0.88	2,906,643	0.88
7/09/2026	0.91	0.97	0.90	0.96	2,574,660	0.96
7/08/2026	0.89	0.93	0.89	0.91	3,419,834	0.91
7/07/2026	0.94	0.95	0.90	0.92	3,709,577	0.92
7/06/2026	0.93	0.98	0.93	0.95	2,621,422	0.95
7/02/2026	0.93	1.01	0.92	0.93	6,037,315	0.93
7/01/2026	0.88	0.96	0.88	0.92	5,506,275	0.92
6/30/2026	0.88	0.92	0.87	0.89	3,179,520	0.89
6/29/2026	0.86	0.91	0.85	0.89	3,987,472	0.89
6/26/2026	0.84	0.89	0.80	0.85	18,909,696	0.85
6/25/2026	0.85	0.89	0.78	0.86	8,408,544	0.86