Quantum-Si incorporated (QSI)
NASDAQ: QSI · Real-Time Price · USD
1.510
+0.250 (19.84%)
At close: May 12, 2025, 4:00 PM
1.490
-0.020 (-1.32%)
After-hours: May 12, 2025, 7:56 PM EDT
Quantum-Si incorporated Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 12, 2025 | 1.32 | 1.52 | 1.32 | 1.51 | 1.51 | 19.84% | 9,461,869 |
| May 9, 2025 | 1.34 | 1.34 | 1.24 | 1.26 | 1.26 | -5.26% | 3,631,156 |
| May 8, 2025 | 1.24 | 1.35 | 1.24 | 1.33 | 1.33 | 10.83% | 6,283,586 |
| May 7, 2025 | 1.20 | 1.22 | 1.16 | 1.20 | 1.20 | 0.84% | 2,321,025 |
| May 6, 2025 | 1.18 | 1.20 | 1.15 | 1.19 | 1.19 | -0.83% | 1,894,546 |
| May 5, 2025 | 1.23 | 1.25 | 1.17 | 1.20 | 1.20 | -4.76% | 3,016,735 |
| May 2, 2025 | 1.18 | 1.28 | 1.18 | 1.26 | 1.26 | 8.62% | 4,454,683 |
| May 1, 2025 | 1.13 | 1.17 | 1.12 | 1.16 | 1.16 | 1.75% | 2,124,375 |
| Apr 30, 2025 | 1.12 | 1.15 | 1.10 | 1.14 | 1.14 | -3.39% | 2,910,372 |
| Apr 29, 2025 | 1.21 | 1.23 | 1.18 | 1.18 | 1.18 | -2.48% | 2,572,483 |
| Apr 28, 2025 | 1.22 | 1.27 | 1.17 | 1.21 | 1.21 | -1.63% | 2,643,807 |
| Apr 25, 2025 | 1.22 | 1.25 | 1.19 | 1.23 | 1.23 | 0.82% | 3,244,379 |
| Apr 24, 2025 | 1.20 | 1.24 | 1.18 | 1.22 | 1.22 | 4.27% | 2,835,693 |
| Apr 23, 2025 | 1.19 | 1.24 | 1.15 | 1.17 | 1.17 | 3.54% | 3,402,723 |
| Apr 22, 2025 | 1.10 | 1.15 | 1.10 | 1.13 | 1.13 | 3.67% | 1,901,178 |
| Apr 21, 2025 | 1.11 | 1.13 | 1.08 | 1.09 | 1.09 | -5.22% | 1,734,123 |
| Apr 17, 2025 | 1.16 | 1.18 | 1.12 | 1.15 | 1.15 | -0.86% | 1,637,120 |
| Apr 16, 2025 | 1.20 | 1.22 | 1.11 | 1.16 | 1.16 | -5.69% | 2,156,694 |
| Apr 15, 2025 | 1.22 | 1.26 | 1.21 | 1.23 | 1.23 | - | 1,764,273 |
| Apr 14, 2025 | 1.30 | 1.31 | 1.21 | 1.23 | 1.23 | -1.60% | 3,105,570 |
| Apr 11, 2025 | 1.17 | 1.25 | 1.16 | 1.25 | 1.25 | 6.84% | 2,269,780 |
| Apr 10, 2025 | 1.20 | 1.21 | 1.13 | 1.17 | 1.17 | -4.88% | 2,978,359 |
| Apr 9, 2025 | 1.06 | 1.27 | 1.05 | 1.23 | 1.23 | 13.89% | 5,616,558 |
| Apr 8, 2025 | 1.22 | 1.22 | 1.06 | 1.08 | 1.08 | -5.26% | 4,497,984 |
| Apr 7, 2025 | 1.02 | 1.18 | 1.02 | 1.14 | 1.14 | 0.88% | 4,244,049 |
| Apr 4, 2025 | 1.11 | 1.13 | 1.03 | 1.13 | 1.13 | -2.59% | 4,919,309 |
| Apr 3, 2025 | 1.15 | 1.19 | 1.15 | 1.16 | 1.16 | -5.69% | 3,308,831 |
| Apr 2, 2025 | 1.18 | 1.25 | 1.16 | 1.23 | 1.23 | 2.50% | 2,954,822 |
| Apr 1, 2025 | 1.21 | 1.22 | 1.15 | 1.20 | 1.20 | - | 3,263,431 |
| Mar 31, 2025 | 1.21 | 1.24 | 1.19 | 1.20 | 1.20 | -5.51% | 4,173,065 |
| Mar 28, 2025 | 1.31 | 1.33 | 1.25 | 1.27 | 1.27 | -3.05% | 3,198,877 |
| Mar 27, 2025 | 1.38 | 1.39 | 1.30 | 1.31 | 1.31 | -5.76% | 3,924,178 |
| Mar 26, 2025 | 1.42 | 1.46 | 1.36 | 1.39 | 1.39 | -1.42% | 4,057,720 |
| Mar 25, 2025 | 1.46 | 1.47 | 1.41 | 1.41 | 1.41 | -4.73% | 4,686,483 |
| Mar 24, 2025 | 1.51 | 1.54 | 1.43 | 1.48 | 1.48 | 1.72% | 7,421,041 |
| Mar 21, 2025 | 1.40 | 1.47 | 1.36 | 1.46 | 1.46 | 3.19% | 8,654,396 |
| Mar 20, 2025 | 1.50 | 1.51 | 1.39 | 1.41 | 1.41 | -9.32% | 8,559,953 |
| Mar 19, 2025 | 1.57 | 1.63 | 1.50 | 1.56 | 1.56 | -2.20% | 7,681,355 |
| Mar 18, 2025 | 1.54 | 1.72 | 1.48 | 1.59 | 1.59 | -3.64% | 16,800,419 |
| Mar 17, 2025 | 1.64 | 1.76 | 1.51 | 1.65 | 1.65 | 21.32% | 46,898,903 |
| Mar 14, 2025 | 1.19 | 1.37 | 1.18 | 1.36 | 1.36 | 19.30% | 20,614,145 |
| Mar 13, 2025 | 1.19 | 1.20 | 1.12 | 1.14 | 1.14 | -5.00% | 3,526,955 |
| Mar 12, 2025 | 1.22 | 1.24 | 1.15 | 1.20 | 1.20 | 1.69% | 3,962,612 |
| Mar 11, 2025 | 1.17 | 1.21 | 1.12 | 1.18 | 1.18 | 0.43% | 4,061,716 |
| Mar 10, 2025 | 1.24 | 1.25 | 1.15 | 1.18 | 1.18 | -8.91% | 5,618,739 |
| Mar 7, 2025 | 1.27 | 1.30 | 1.22 | 1.29 | 1.29 | 0.39% | 3,071,201 |
| Mar 6, 2025 | 1.36 | 1.38 | 1.24 | 1.29 | 1.29 | -8.21% | 5,389,902 |
| Mar 5, 2025 | 1.39 | 1.41 | 1.32 | 1.40 | 1.40 | 1.45% | 3,686,497 |
| Mar 4, 2025 | 1.17 | 1.46 | 1.15 | 1.38 | 1.38 | 6.15% | 10,584,528 |
| Mar 3, 2025 | 1.47 | 1.48 | 1.28 | 1.30 | 1.30 | -5.80% | 8,834,061 |