Quantum-Si (QSI)
1.29
-0.09 (-6.52%)
At close: Mar 03, 2025, 3:59 PM
1.24
-4.25%
After-hours: Mar 03, 2025, 07:59 PM EST
QSI Stock Price History
| Date | Open | High | Low | Close | Change | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Feb 28, 2025 | 1.31 | 1.42 | 1.28 | 1.38 | 0.03 | 2.22% | 6,576,961 |
| Feb 27, 2025 | 1.50 | 1.51 | 1.35 | 1.35 | -0.14 | -9.40% | 6,371,917 |
| Feb 26, 2025 | 1.46 | 1.55 | 1.46 | 1.49 | 0.03 | 2.05% | 4,771,400 |
| Feb 25, 2025 | 1.56 | 1.62 | 1.45 | 1.46 | -0.16 | -9.88% | 9,295,916 |
| Feb 24, 2025 | 1.71 | 1.72 | 1.60 | 1.62 | -0.09 | -5.26% | 6,964,500 |
| Feb 21, 2025 | 1.90 | 1.93 | 1.71 | 1.71 | -0.18 | -9.52% | 8,818,000 |
| Feb 20, 2025 | 1.94 | 1.97 | 1.83 | 1.89 | -0.02 | -1.05% | 6,703,200 |
| Feb 19, 2025 | 1.90 | 2.01 | 1.82 | 1.91 | -0.01 | -0.52% | 11,346,442 |
| Feb 18, 2025 | 2.00 | 2.10 | 1.89 | 1.92 | -0.03 | -1.54% | 8,860,700 |
| Feb 14, 2025 | 2.02 | 2.05 | 1.92 | 1.95 | -0.08 | -3.94% | 6,505,100 |
| Feb 13, 2025 | 1.99 | 2.05 | 1.91 | 2.03 | 0.07 | 3.57% | 7,578,524 |
| Feb 12, 2025 | 1.86 | 2.00 | 1.83 | 1.96 | 0.04 | 2.08% | 7,039,720 |
| Feb 11, 2025 | 2.03 | 2.04 | 1.87 | 1.92 | -0.08 | -4.00% | 8,568,800 |
| Feb 10, 2025 | 2.10 | 2.11 | 1.94 | 2.00 | -0.04 | -1.96% | 11,699,732 |
| Feb 7, 2025 | 1.95 | 2.25 | 1.92 | 2.04 | 0.14 | 7.37% | 23,781,830 |
| Feb 6, 2025 | 1.97 | 2.06 | 1.88 | 1.90 | 0.00 | 0.00% | 10,655,100 |
| Feb 5, 2025 | 1.90 | 1.96 | 1.80 | 1.90 | -0.03 | -1.55% | 9,308,268 |
| Feb 4, 2025 | 1.86 | 1.93 | 1.80 | 1.93 | 0.11 | 6.04% | 6,538,240 |
| Feb 3, 2025 | 1.80 | 1.86 | 1.75 | 1.82 | -0.16 | -8.08% | 8,524,505 |
| Jan 31, 2025 | 1.95 | 2.12 | 1.90 | 1.98 | 0.02 | 1.02% | 12,404,205 |
| Jan 30, 2025 | 2.10 | 2.10 | 1.95 | 1.96 | -0.08 | -3.92% | 7,813,900 |
| Jan 29, 2025 | 2.08 | 2.09 | 1.95 | 2.04 | -0.04 | -1.92% | 9,600,612 |
| Jan 28, 2025 | 2.20 | 2.25 | 2.02 | 2.08 | -0.13 | -5.88% | 9,263,611 |
| Jan 27, 2025 | 2.14 | 2.30 | 2.06 | 2.21 | -0.09 | -3.91% | 11,314,927 |
| Jan 24, 2025 | 2.44 | 2.48 | 2.30 | 2.30 | -0.11 | -4.56% | 15,433,000 |
| Jan 23, 2025 | 2.27 | 2.45 | 2.26 | 2.41 | 0.03 | 1.26% | 10,773,823 |
| Jan 22, 2025 | 2.45 | 2.58 | 2.34 | 2.38 | -0.06 | -2.46% | 15,821,022 |
| Jan 21, 2025 | 2.30 | 2.50 | 2.24 | 2.44 | 0.20 | 8.93% | 20,441,000 |
| Jan 17, 2025 | 2.41 | 2.46 | 2.20 | 2.24 | -0.30 | -11.81% | 23,292,800 |
| Jan 16, 2025 | 2.31 | 2.68 | 2.26 | 2.54 | 0.19 | 8.09% | 38,384,500 |
| Jan 15, 2025 | 2.41 | 2.54 | 2.13 | 2.35 | 0.32 | 15.76% | 47,847,721 |
| Jan 14, 2025 | 2.14 | 2.38 | 1.97 | 2.03 | 0.10 | 5.18% | 33,151,044 |
| Jan 13, 2025 | 2.34 | 2.44 | 1.85 | 1.93 | -0.72 | -27.17% | 32,634,200 |
| Jan 10, 2025 | 2.72 | 2.94 | 2.43 | 2.65 | 0.01 | 0.38% | 31,970,235 |
| Jan 8, 2025 | 2.71 | 2.97 | 2.30 | 2.64 | -0.86 | -24.57% | 50,559,500 |
| Jan 7, 2025 | 3.97 | 3.97 | 3.45 | 3.50 | -0.60 | -14.63% | 35,527,432 |
| Jan 6, 2025 | 4.02 | 4.63 | 3.81 | 4.10 | -0.19 | -4.43% | 62,943,105 |
| Jan 3, 2025 | 4.82 | 5.77 | 3.83 | 4.29 | 0.03 | 0.70% | 198,520,008 |
| Jan 2, 2025 | 2.76 | 4.44 | 2.47 | 4.26 | 1.56 | 57.78% | 104,616,600 |
| Dec 31, 2024 | 3.20 | 3.63 | 2.64 | 2.70 | -0.63 | -18.92% | 43,600,500 |
| Dec 30, 2024 | 3.50 | 3.80 | 3.00 | 3.33 | -0.27 | -7.50% | 79,231,221 |
| Dec 27, 2024 | 3.41 | 4.14 | 2.83 | 3.60 | 1.45 | 67.44% | 256,005,503 |
| Dec 26, 2024 | 1.30 | 2.39 | 1.26 | 2.15 | 0.85 | 65.38% | 88,659,400 |
| Dec 24, 2024 | 1.33 | 1.35 | 1.26 | 1.30 | -0.01 | -0.76% | 5,609,645 |
| Dec 23, 2024 | 1.35 | 1.38 | 1.23 | 1.31 | 0.01 | 0.77% | 10,142,200 |
| Dec 20, 2024 | 1.24 | 1.34 | 1.20 | 1.30 | 0.01 | 0.78% | 15,831,011 |
| Dec 19, 2024 | 1.31 | 1.37 | 1.17 | 1.29 | 0.01 | 0.78% | 16,371,900 |
| Dec 18, 2024 | 1.54 | 1.58 | 1.25 | 1.28 | -0.09 | -6.57% | 33,642,100 |
| Dec 17, 2024 | 1.60 | 1.70 | 1.34 | 1.37 | -0.13 | -8.67% | 27,058,432 |
| Dec 16, 2024 | 1.72 | 1.73 | 1.42 | 1.50 | -0.22 | -12.79% | 24,655,700 |