QSI
Quantum-Si-A (QSI)
NASDAQ
$1.19-$0.05 (-4.03%)
Price as of Jun 03, 2026 6:48 PM EDT
  • $235.4M
    Market Cap
  • -29.55%
    1-Year Change
  • Medical Devices
    Industry
  • 1 Month
    +27.64%
    Low Price$0.85
    High Price$1.24
  • 3 Months
    +36.34%
    Low Price$0.71
    High Price$1.24
  • 1 Year
    -29.14%
    Low Price$0.71
    High Price$2.63
Date
Open
High
Low
Close
Change (%)
Volume
06/02/2026
1.17
1.26
1.16
1.24
+5.08%
7,380,077
06/01/2026
1.17
1.25
1.12
1.18
-0.84%
7,406,994
05/29/2026
1.21
1.21
1.11
1.19
-0.83%
7,291,021
05/28/2026
1.11
1.21
1.08
1.20
+6.19%
7,411,582
05/27/2026
1.06
1.19
1.03
1.13
+4.63%
8,573,709
05/26/2026
1.08
1.09
1.01
1.08
+1.89%
7,550,846
05/22/2026
1.00
1.09
1.00
1.06
+7.07%
8,815,592
05/21/2026
0.87
0.99
0.87
0.99
+13.05%
11,364,548
05/20/2026
0.87
0.88
0.84
0.88
+1.71%
4,706,237
05/19/2026
0.85
0.87
0.82
0.86
+0.83%
3,116,003
05/18/2026
0.90
0.90
0.83
0.85
-4.07%
4,577,467
05/15/2026
0.91
0.91
0.88
0.89
-4.59%
3,706,076
05/14/2026
0.93
0.96
0.91
0.93
+0.38%
4,437,152
05/13/2026
0.93
0.96
0.90
0.93
-1.60%
4,868,987
05/12/2026
0.92
1.03
0.90
0.94
+2.42%
10,063,496
05/11/2026
0.90
0.95
0.89
0.92
+1.72%
5,786,596
05/08/2026
0.95
0.97
0.88
0.91
-7.55%
13,192,853
05/07/2026
1.03
1.03
0.96
0.98
-4.80%
7,220,967
05/07/2026
-$0.10 Earnings
05/06/2026
0.97
1.04
0.96
1.03
+7.15%
8,075,250
05/05/2026
0.98
0.98
0.95
0.96
-1.05%
2,515,970
05/04/2026
0.95
0.99
0.94
0.97
+1.39%
2,873,511
05/01/2026
0.98
1.00
0.94
0.96
-2.28%
3,590,011
04/30/2026
0.88
1.02
0.88
0.98
+13.39%
11,918,778
04/29/2026
0.90
0.91
0.86
0.86
-5.18%
3,449,640
04/28/2026
0.89
0.94
0.89
0.91
+1.30%
3,159,350
04/27/2026
0.91
0.94
0.87
0.90
-0.61%
3,105,813
04/24/2026
0.98
0.98
0.90
0.91
-3.70%
7,282,500
04/23/2026
1.03
1.04
0.92
0.94
-11.26%
7,311,019
04/22/2026
0.99
1.07
0.96
1.06
+8.50%
11,054,678
04/21/2026
1.00
1.05
0.98
0.98
-3.27%
5,203,062
04/20/2026
1.02
1.06
0.98
1.01
-5.61%
7,820,542
04/17/2026
1.07
1.14
1.06
1.07
+2.88%
7,021,500
04/16/2026
1.08
1.09
1.00
1.04
-0.95%
7,641,472
04/15/2026
0.90
1.06
0.90
1.05
+24.88%
17,707,467
04/14/2026
0.80
0.86
0.80
0.84
+6.61%
3,070,566
04/13/2026
0.74
0.79
0.72
0.79
+6.51%
2,650,507
04/10/2026
0.75
0.77
0.73
0.74
-0.86%
1,881,854
04/09/2026
0.75
0.76
0.73
0.75
-0.48%
2,638,195
04/08/2026
0.78
0.78
0.74
0.75
+5.50%
3,188,982
04/07/2026
0.73
0.73
0.69
0.71
-2.43%
3,515,255
04/06/2026
0.74
0.77
0.73
0.73
-2.50%
1,890,500
04/02/2026
0.74
0.76
0.72
0.75
+0.03%
2,571,803
04/01/2026
0.79
0.80
0.75
0.75
-3.41%
2,354,460
03/31/2026
0.76
0.80
0.76
0.77
+4.91%
2,872,471
03/30/2026
0.76
0.78
0.73
0.74
-3.44%
3,758,169
03/27/2026
0.80
0.82
0.76
0.76
-5.52%
3,169,678
03/26/2026
0.86
0.86
0.81
0.81
-6.51%
2,619,269
03/25/2026
0.86
0.90
0.86
0.87
+1.63%
2,549,869
03/24/2026
0.89
0.90
0.83
0.85
-5.22%
2,660,281
03/23/2026
0.85
0.91
0.79
0.90
+6.26%
4,568,838
03/20/2026
0.87
0.88
0.83
0.85
-1.88%
3,813,338
03/19/2026
0.88
0.89
0.85
0.86
-2.39%
2,419,119
03/18/2026
0.93
0.94
0.88
0.88
-5.14%
3,158,802
03/17/2026
0.95
0.96
0.92
0.93
-1.41%
2,787,097
03/16/2026
0.96
0.98
0.94
0.94
-0.64%
2,701,770
03/13/2026
0.98
1.01
0.93
0.95
-2.70%
2,835,009
03/12/2026
1.02
1.02
0.95
0.98
-7.05%
3,977,826
03/11/2026
1.05
1.07
1.00
1.05
+0.96%
3,613,642
03/10/2026
0.94
1.10
0.94
1.04
+12.32%
8,474,557
03/09/2026
0.88
0.93
0.85
0.93
+7.44%
4,955,006
03/06/2026
0.89
0.90
0.84
0.86
-5.24%
5,636,902
03/05/2026
0.90
0.97
0.89
0.91
-0.05%
4,219,538
03/04/2026
0.95
0.98
0.91
0.91
-4.01%
2,970,475
03/03/2026
0.92
0.97
0.90
0.95
+1.56%
3,196,938
03/03/2026
-$0.08 Earnings
03/02/2026
0.93
0.96
0.91
0.93
-2.40%
1,840,206
02/27/2026
0.98
1.00
0.95
0.96
-5.31%
2,595,522
02/26/2026
1.01
1.03
0.97
1.01
+2.01%
2,267,939
02/25/2026
0.95
1.02
0.93
0.99
+6.44%
3,162,889
02/24/2026
0.91
0.95
0.91
0.93
+2.01%
1,370,156
02/23/2026
0.94
0.95
0.90
0.91
-3.07%
1,888,673
02/20/2026
0.96
0.96
0.93
0.94
-2.07%
1,754,682
02/19/2026
0.90
0.98
0.89
0.96
+5.99%
3,993,492
02/18/2026
0.96
0.98
0.90
0.91
-3.45%
4,913,424
02/17/2026
0.99
0.99
0.94
0.94
-5.23%
3,547,286
02/13/2026
0.99
1.05
0.99
0.99
+1.59%
3,127,829
02/12/2026
1.05
1.06
0.96
0.98
-6.24%
5,890,675
02/11/2026
1.12
1.12
1.01
1.04
-5.45%
4,048,955
02/10/2026
1.10
1.11
1.06
1.10
+2.80%
3,669,788
02/09/2026
1.09
1.09
1.02
1.07
+0.47%
3,147,984
02/06/2026
1.02
1.09
0.96
1.07
+14.26%
7,481,632
02/05/2026
1.03
1.04
0.92
0.93
-9.50%
8,157,489
02/04/2026
1.10
1.11
1.00
1.03
-5.50%
6,372,623
02/03/2026
1.11
1.13
1.05
1.09
-0.91%
5,044,796
02/02/2026
1.11
1.13
1.09
1.10
-2.65%
3,771,977
01/30/2026
1.16
1.19
1.11
1.13
-3.42%
5,467,545
01/29/2026
1.20
1.21
1.13
1.17
-2.50%
6,195,553
01/28/2026
1.23
1.24
1.17
1.20
-2.44%
3,995,857
01/27/2026
1.22
1.26
1.20
1.23
+1.65%
2,862,494
01/26/2026
1.25
1.27
1.21
1.21
-3.20%
3,159,298
01/23/2026
1.31
1.32
1.24
1.25
-4.58%
4,115,588
01/22/2026
1.23
1.33
1.22
1.31
+6.50%
6,410,600
01/21/2026
1.20
1.24
1.14
1.23
+3.36%
4,912,116
01/20/2026
1.21
1.24
1.18
1.19
-6.30%
5,735,217
01/16/2026
1.25
1.32
1.23
1.27
+3.25%
5,462,743
01/15/2026
1.29
1.30
1.23
1.23
-3.15%
3,687,382
01/14/2026
1.27
1.31
1.24
1.27
0.00%
4,428,131
01/13/2026
1.25
1.32
1.20
1.27
+4.96%
5,767,924
01/12/2026
1.21
1.25
1.18
1.21
-0.82%
4,925,431