Quantum-Si incorporated (QSI)
NASDAQ: QSI · Real-Time Price · USD
1.950
-0.100 (-4.88%)
At close: Jun 27, 2025, 4:00 PM
1.948
-0.002 (-0.11%)
After-hours: Jun 27, 2025, 7:59 PM EDT
Quantum-Si incorporated Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 27, 2025 | 2.06 | 2.06 | 1.87 | 1.95 | 1.95 | -4.88% | 12,350,621 |
| Jun 26, 2025 | 2.02 | 2.09 | 1.97 | 2.05 | 2.05 | 1.49% | 7,975,590 |
| Jun 25, 2025 | 2.04 | 2.14 | 1.97 | 2.02 | 2.02 | 7.45% | 23,326,075 |
| Jun 24, 2025 | 1.65 | 1.90 | 1.64 | 1.88 | 1.88 | 13.94% | 9,861,996 |
| Jun 23, 2025 | 1.68 | 1.68 | 1.55 | 1.65 | 1.65 | -4.62% | 7,976,941 |
| Jun 20, 2025 | 1.78 | 1.79 | 1.68 | 1.73 | 1.73 | -1.14% | 7,210,644 |
| Jun 18, 2025 | 1.68 | 1.78 | 1.66 | 1.75 | 1.75 | 4.17% | 5,651,688 |
| Jun 17, 2025 | 1.74 | 1.76 | 1.66 | 1.68 | 1.68 | -5.08% | 4,848,066 |
| Jun 16, 2025 | 1.67 | 1.79 | 1.65 | 1.77 | 1.77 | 6.63% | 5,344,907 |
| Jun 13, 2025 | 1.71 | 1.72 | 1.64 | 1.66 | 1.66 | -7.26% | 8,253,180 |
| Jun 12, 2025 | 1.76 | 1.90 | 1.73 | 1.79 | 1.79 | 1.70% | 9,407,338 |
| Jun 11, 2025 | 1.74 | 1.89 | 1.71 | 1.76 | 1.76 | 3.53% | 11,329,397 |
| Jun 10, 2025 | 1.70 | 1.80 | 1.66 | 1.70 | 1.70 | -0.58% | 5,490,467 |
| Jun 9, 2025 | 1.77 | 1.80 | 1.68 | 1.71 | 1.71 | -1.72% | 3,884,965 |
| Jun 6, 2025 | 1.63 | 1.75 | 1.62 | 1.74 | 1.74 | 8.75% | 5,684,270 |
| Jun 5, 2025 | 1.73 | 1.73 | 1.57 | 1.60 | 1.60 | -8.57% | 7,349,285 |
| Jun 4, 2025 | 1.78 | 1.80 | 1.68 | 1.75 | 1.75 | -0.57% | 4,858,487 |
| Jun 3, 2025 | 1.70 | 1.82 | 1.67 | 1.76 | 1.76 | 4.76% | 6,703,406 |
| Jun 2, 2025 | 1.66 | 1.72 | 1.61 | 1.68 | 1.68 | - | 5,404,165 |
| May 30, 2025 | 1.65 | 1.69 | 1.59 | 1.68 | 1.68 | -1.75% | 7,603,620 |
| May 29, 2025 | 1.82 | 1.84 | 1.70 | 1.71 | 1.71 | -3.93% | 7,408,211 |
| May 28, 2025 | 1.88 | 1.91 | 1.77 | 1.78 | 1.78 | -7.29% | 12,118,187 |
| May 27, 2025 | 2.09 | 2.15 | 1.86 | 1.92 | 1.92 | -1.03% | 20,661,451 |
| May 23, 2025 | 1.76 | 2.03 | 1.70 | 1.94 | 1.94 | 11.49% | 31,648,867 |
| May 22, 2025 | 1.56 | 1.84 | 1.53 | 1.74 | 1.74 | 17.97% | 26,010,440 |
| May 21, 2025 | 1.80 | 1.80 | 1.45 | 1.48 | 1.48 | -12.20% | 21,250,199 |
| May 20, 2025 | 1.51 | 1.73 | 1.46 | 1.68 | 1.68 | 19.15% | 25,872,958 |
| May 19, 2025 | 1.42 | 1.46 | 1.36 | 1.41 | 1.41 | -4.73% | 5,388,056 |
| May 16, 2025 | 1.45 | 1.52 | 1.40 | 1.48 | 1.48 | - | 8,666,317 |
| May 15, 2025 | 1.53 | 1.55 | 1.45 | 1.48 | 1.48 | -2.63% | 8,985,654 |
| May 14, 2025 | 1.50 | 1.60 | 1.44 | 1.52 | 1.52 | 4.11% | 9,437,444 |
| May 13, 2025 | 1.54 | 1.59 | 1.43 | 1.46 | 1.46 | -3.31% | 7,132,365 |
| May 12, 2025 | 1.32 | 1.52 | 1.32 | 1.51 | 1.51 | 19.84% | 9,602,975 |
| 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 |