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Quantum-Si (QSI)
NASDAQ:QSI
Time Period
1Y
Events
Historical Prices
Rows:
Jan 29, 2026
1.20
1.21
1.13
1.17
1.17
-2.50%
6,195,553
1.18
Jan 28, 2026
1.23
1.24
1.17
1.20
1.20
-2.44%
3,995,857
0.75
Jan 27, 2026
1.22
1.26
1.20
1.23
1.23
+1.65%
2,862,494
0.53
Jan 26, 2026
1.25
1.27
1.21
1.21
1.21
-3.20%
3,159,298
0.57
Jan 23, 2026
1.31
1.32
1.24
1.25
1.25
-4.58%
4,082,434
0.71
Jan 22, 2026
1.23
1.33
1.22
1.31
1.31
+6.50%
6,410,600
1.09
Jan 21, 2026
1.20
1.24
1.14
1.23
1.23
+3.36%
4,912,116
0.81
Jan 20, 2026
1.21
1.24
1.18
1.19
1.19
-6.30%
5,676,539
0.90
Jan 19, 2026
1.25
1.32
1.23
1.27
1.27
0.00%
0
0.00
Jan 16, 2026
1.25
1.32
1.23
1.27
1.27
+3.25%
5,462,743
0.74
Jan 15, 2026
1.29
1.30
1.23
1.23
1.23
-3.15%
3,687,382
0.45
Jan 14, 2026
1.27
1.31
1.24
1.27
1.27
0.00%
4,428,131
0.52
Jan 13, 2026
1.25
1.32
1.20
1.27
1.27
+4.96%
5,767,924
0.65
Jan 12, 2026
1.21
1.25
1.18
1.21
1.21
-0.82%
4,925,431
0.54
Jan 09, 2026
1.27
1.28
1.21
1.22
1.22
-2.40%
4,460,516
0.48
Jan 08, 2026
1.25
1.31
1.24
1.25
1.25
-0.79%
4,893,077
0.53
Jan 07, 2026
1.29
1.32
1.25
1.26
1.26
-1.56%
4,107,769
0.43
Jan 06, 2026
1.26
1.34
1.26
1.28
1.28
+1.59%
7,655,044
0.79
Jan 05, 2026
1.19
1.31
1.19
1.26
1.26
+8.62%
8,340,539
0.85
Jan 02, 2026
1.15
1.16
1.11
1.16
1.16
+5.45%
4,871,648
0.49
Dec 31, 2025
1.11
1.15
1.07
1.10
1.10
-0.90%
5,902,294
0.60
Dec 30, 2025
1.16
1.17
1.10
1.11
1.11
-5.93%
7,955,380
0.81
Dec 29, 2025
1.21
1.26
1.17
1.18
1.18
-4.07%
8,021,451
0.81
Dec 26, 2025
1.31
1.31
1.22
1.23
1.23
-6.11%
4,175,380
0.42
Dec 24, 2025
1.24
1.33
1.24
1.31
1.31
+6.50%
4,344,521
0.43
Dec 23, 2025
1.25
1.26
1.20
1.23
1.23
-3.15%
4,209,448
0.41
Dec 22, 2025
1.28
1.32
1.25
1.27
1.27
0.00%
5,156,059
0.50
Dec 19, 2025
1.22
1.29
1.21
1.27
1.27
+4.10%
6,700,084
0.63
Dec 18, 2025
1.24
1.31
1.21
1.22
1.22
+1.67%
3,418,947
0.31
Dec 17, 2025
1.24
1.28
1.20
1.20
1.20
-1.64%
3,826,984
0.33
Dec 16, 2025
1.21
1.26
1.18
1.22
1.22
-0.81%
4,898,602
0.42
Dec 15, 2025
1.31
1.32
1.22
1.23
1.23
-4.65%
4,129,140
0.35
Dec 12, 2025
1.40
1.43
1.29
1.29
1.29
-7.86%
5,641,030
0.48
Dec 11, 2025
1.44
1.44
1.34
1.40
1.40
-2.78%
4,342,003
0.37
Dec 10, 2025
1.42
1.45
1.39
1.44
1.44
+1.41%
3,567,291
0.30
Dec 09, 2025
1.44
1.46
1.39
1.42
1.42
-2.07%
3,710,382
0.31
Dec 08, 2025
1.47
1.54
1.41
1.45
1.45
+0.69%
3,170,964
0.27
Dec 05, 2025
1.48
1.49
1.41
1.44
1.44
-2.04%
3,673,275
0.31
Dec 04, 2025
1.34
1.49
1.34
1.47
1.47
+8.09%
5,885,608
0.50
Dec 03, 2025
1.28
1.36
1.26
1.36
1.36
+7.09%
4,068,880
0.34
Dec 02, 2025
1.30
1.34
1.27
1.27
1.27
-1.55%
3,326,862
0.28
Dec 01, 2025
1.36
1.36
1.28
1.29
1.29
-8.51%
3,490,419
0.30
Nov 28, 2025
1.36
1.43
1.36
1.41
1.41
+4.44%
2,455,624
0.21
Nov 26, 2025
1.36
1.39
1.31
1.35
1.35
0.00%
4,590,912
0.39
Nov 25, 2025
1.36
1.37
1.29
1.35
1.35
0.00%
3,544,906
0.30
Nov 24, 2025
1.27
1.35
1.26
1.35
1.35
+6.30%
4,733,966
0.40
Nov 21, 2025
1.22
1.28
1.19
1.27
1.27
+2.42%
5,215,927
0.44
Nov 20, 2025
1.37
1.40
1.23
1.24
1.24
-3.13%
6,779,598
0.57
Nov 19, 2025
1.27
1.38
1.25
1.28
1.28
+0.79%
5,939,770
0.50
Nov 18, 2025
1.28
1.35
1.23
1.27
1.27
-2.31%
5,006,762
0.42
Rows: