Quantum-Si (QSI)
NASDAQ:QSI
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Time Period
1Y
Events
Historical Prices
Rows:
May 01, 2026
0.98
1.00
0.94
0.96
0.96
-2.24%
3,590,011
0.85
Apr 30, 2026
0.88
1.02
0.88
0.98
0.98
+13.43%
11,918,780
2.90
Apr 29, 2026
0.90
0.91
0.86
0.86
0.86
-5.26%
3,417,720
0.82
Apr 28, 2026
0.89
0.94
0.89
0.91
0.91
+1.33%
3,159,350
0.75
Apr 27, 2026
0.91
0.94
0.87
0.90
0.90
-0.55%
3,118,018
0.74
Apr 24, 2026
0.98
0.98
0.90
0.91
0.91
-3.72%
7,282,600
1.76
Apr 23, 2026
1.03
1.04
0.92
0.94
0.94
-11.32%
7,311,019
1.80
Apr 22, 2026
0.99
1.07
0.96
1.06
1.06
+8.50%
11,054,680
2.79
Apr 21, 2026
1.00
1.05
0.98
0.98
0.98
-3.27%
5,203,062
1.31
Apr 20, 2026
1.02
1.06
0.98
1.01
1.01
-5.61%
7,820,642
1.99
Apr 17, 2026
1.07
1.14
1.06
1.07
1.07
+2.88%
7,021,500
1.80
Apr 16, 2026
1.08
1.09
1.00
1.04
1.04
-0.95%
7,641,472
2.02
Apr 15, 2026
0.90
1.06
0.90
1.05
1.05
+25.00%
17,707,471
4.92
Apr 14, 2026
0.80
0.86
0.80
0.84
0.84
+6.60%
3,070,566
0.85
Apr 13, 2026
0.74
0.79
0.72
0.79
0.79
+6.49%
2,650,507
0.73
Apr 10, 2026
0.75
0.77
0.73
0.74
0.74
-0.80%
1,881,862
0.51
Apr 09, 2026
0.75
0.76
0.73
0.75
0.75
-0.53%
2,638,571
0.71
Apr 08, 2026
0.78
0.78
0.74
0.75
0.75
+5.49%
3,149,017
0.84
Apr 07, 2026
0.73
0.73
0.69
0.71
0.71
-2.47%
3,515,255
0.93
Apr 06, 2026
0.74
0.77
0.73
0.73
0.73
-2.41%
1,890,500
0.50
Apr 03, 2026
0.74
0.76
0.72
0.75
0.75
0.00%
0
0.00
Apr 02, 2026
0.74
0.76
0.72
0.75
0.75
0.00%
2,571,803
0.64
Apr 01, 2026
0.79
0.80
0.75
0.75
0.75
-3.49%
2,354,460
0.58
Mar 31, 2026
0.76
0.80
0.76
0.77
0.77
+5.02%
2,872,471
0.70
Mar 30, 2026
0.76
0.78
0.73
0.74
0.74
-3.53%
3,758,169
0.90
Mar 27, 2026
0.80
0.82
0.76
0.76
0.76
-5.45%
3,155,727
0.74
Mar 26, 2026
0.86
0.86
0.81
0.81
0.81
-6.59%
2,607,174
0.61
Mar 25, 2026
0.86
0.90
0.86
0.87
0.87
+1.65%
2,540,150
0.59
Mar 24, 2026
0.89
0.90
0.83
0.85
0.85
-5.23%
2,639,799
0.61
Mar 23, 2026
0.85
0.91
0.79
0.90
0.90
+6.27%
4,548,043
1.05
Mar 20, 2026
0.87
0.88
0.83
0.85
0.85
-1.86%
3,803,370
0.87
Mar 19, 2026
0.88
0.89
0.85
0.86
0.86
-2.38%
2,413,378
0.55
Mar 18, 2026
0.93
0.94
0.88
0.88
0.88
-5.16%
3,112,897
0.70
Mar 17, 2026
0.95
0.96
0.92
0.93
0.93
-1.38%
2,762,536
0.62
Mar 16, 2026
0.96
0.98
0.94
0.94
0.94
-0.63%
2,698,390
0.60
Mar 13, 2026
0.98
1.01
0.93
0.95
0.95
-2.77%
2,831,289
0.63
Mar 12, 2026
1.02
1.02
0.95
0.98
0.98
-7.05%
3,970,237
0.88
Mar 11, 2026
1.05
1.07
1.00
1.05
1.05
+0.96%
3,538,402
0.78
Mar 10, 2026
0.94
1.10
0.94
1.04
1.04
+12.43%
8,424,104
1.89
Mar 09, 2026
0.88
0.93
0.85
0.93
0.93
+7.43%
4,877,330
1.10
Mar 06, 2026
0.89
0.90
0.84
0.86
0.86
-5.28%
5,636,902
1.28
Mar 05, 2026
0.90
0.97
0.89
0.91
0.91
-0.11%
4,219,538
0.96
Mar 04, 2026
0.95
0.98
0.91
0.91
0.91
-4.01%
2,970,475
0.67
Mar 03, 2026
0.92
0.97
0.90
0.95
0.95
+1.61%
3,196,938
0.72
Mar 02, 2026
0.93
0.96
0.91
0.93
0.93
-2.41%
1,840,206
0.41
Feb 27, 2026
0.98
1.00
0.95
0.96
0.96
-5.35%
2,595,522
0.58
Feb 26, 2026
1.01
1.03
0.97
1.01
1.01
+2.02%
2,267,939
0.50
Feb 25, 2026
0.95
1.02
0.93
0.99
0.99
+6.45%
3,162,889
0.70
Feb 24, 2026
0.91
0.95
0.91
0.93
0.93
+2.09%
1,370,156
0.30
Feb 23, 2026
0.94
0.95
0.90
0.91
0.91
-3.09%
1,888,673
0.41
Rows: