Quantum-Si Incorporated - Class A Common Stock (QSI)
1.2800
+0.0900 (7.56%)
NASDAQ· Last Trade: Jun 4th, 6:04 PM EDT
Historical Prices For Quantum-Si Incorporated - Class A Common Stock (QSI)
| Date | Open | High | Low | Close | Volume | Adjusted Close |
|---|---|---|---|---|---|---|
| 6/03/2026 | 1.22 | 1.22 | 1.16 | 1.19 | 7,944,960 | 1.19 |
| 6/02/2026 | 1.17 | 1.26 | 1.16 | 1.24 | 7,374,095 | 1.24 |
| 6/01/2026 | 1.17 | 1.25 | 1.12 | 1.18 | 7,404,235 | 1.18 |
| 5/29/2026 | 1.21 | 1.21 | 1.11 | 1.19 | 7,291,025 | 1.19 |
| 5/28/2026 | 1.11 | 1.21 | 1.08 | 1.20 | 7,389,188 | 1.20 |
| 5/27/2026 | 1.06 | 1.19 | 1.03 | 1.13 | 8,549,883 | 1.13 |
| 5/26/2026 | 1.08 | 1.09 | 1.01 | 1.08 | 7,529,633 | 1.08 |
| 5/22/2026 | 1.00 | 1.09 | 1.00 | 1.06 | 8,816,209 | 1.06 |
| 5/21/2026 | 0.87 | 0.99 | 0.87 | 0.99 | 11,303,347 | 0.99 |
| 5/20/2026 | 0.87 | 0.88 | 0.84 | 0.88 | 4,693,228 | 0.88 |
| 5/19/2026 | 0.85 | 0.87 | 0.82 | 0.86 | 3,108,908 | 0.86 |
| 5/18/2026 | 0.90 | 0.90 | 0.83 | 0.85 | 4,574,560 | 0.85 |
| 5/15/2026 | 0.91 | 0.91 | 0.89 | 0.89 | 3,706,079 | 0.89 |
| 5/14/2026 | 0.93 | 0.96 | 0.91 | 0.93 | 4,436,509 | 0.93 |
| 5/13/2026 | 0.93 | 0.96 | 0.90 | 0.93 | 4,868,258 | 0.93 |
| 5/12/2026 | 0.92 | 1.03 | 0.90 | 0.94 | 10,061,892 | 0.94 |
| 5/11/2026 | 0.90 | 0.95 | 0.89 | 0.92 | 5,780,310 | 0.92 |
| 5/08/2026 | 0.97 | 0.97 | 0.88 | 0.91 | 13,192,859 | 0.91 |
| 5/07/2026 | 1.03 | 1.03 | 0.96 | 0.98 | 7,206,344 | 0.98 |
| 5/06/2026 | 0.97 | 1.04 | 0.96 | 1.03 | 8,067,505 | 1.03 |
| 5/05/2026 | 0.98 | 0.98 | 0.95 | 0.96 | 2,515,116 | 0.96 |
| 5/04/2026 | 0.95 | 0.98 | 0.94 | 0.97 | 2,869,083 | 0.97 |
| 5/01/2026 | 0.98 | 1.00 | 0.94 | 0.96 | 3,590,013 | 0.96 |
| 4/30/2026 | 0.88 | 1.02 | 0.88 | 0.98 | 11,911,181 | 0.98 |
| 4/29/2026 | 0.90 | 0.91 | 0.86 | 0.86 | 3,430,394 | 0.86 |
| 4/28/2026 | 0.89 | 0.94 | 0.89 | 0.91 | 3,153,895 | 0.91 |
| 4/27/2026 | 0.91 | 0.94 | 0.87 | 0.90 | 3,112,628 | 0.90 |
| 4/24/2026 | 0.98 | 0.98 | 0.90 | 0.91 | 7,282,603 | 0.91 |
| 4/23/2026 | 1.03 | 1.04 | 0.92 | 0.94 | 7,309,928 | 0.94 |
| 4/22/2026 | 0.99 | 1.07 | 0.96 | 1.06 | 11,053,443 | 1.06 |
| 4/21/2026 | 1.00 | 1.05 | 0.97 | 0.98 | 5,184,339 | 0.98 |
| 4/20/2026 | 1.02 | 1.06 | 0.98 | 1.01 | 7,816,194 | 1.01 |
| 4/17/2026 | 1.07 | 1.14 | 1.06 | 1.07 | 7,021,507 | 1.07 |
| 4/16/2026 | 1.08 | 1.09 | 1.00 | 1.04 | 7,629,694 | 1.04 |
| 4/15/2026 | 0.90 | 1.06 | 0.90 | 1.05 | 17,652,840 | 1.05 |
| 4/14/2026 | 0.80 | 0.86 | 0.80 | 0.84 | 3,061,516 | 0.84 |
| 4/13/2026 | 0.74 | 0.79 | 0.72 | 0.79 | 2,642,031 | 0.79 |
| 4/10/2026 | 0.75 | 0.77 | 0.73 | 0.74 | 1,881,863 | 0.74 |
| 4/09/2026 | 0.75 | 0.76 | 0.73 | 0.75 | 2,635,675 | 0.75 |
| 4/08/2026 | 0.78 | 0.78 | 0.74 | 0.75 | 3,187,363 | 0.75 |
| 4/07/2026 | 0.73 | 0.73 | 0.69 | 0.71 | 3,451,451 | 0.71 |
| 4/06/2026 | 0.74 | 0.77 | 0.73 | 0.73 | 1,886,833 | 0.73 |
| 4/02/2026 | 0.74 | 0.76 | 0.72 | 0.75 | 2,571,805 | 0.75 |
| 4/01/2026 | 0.79 | 0.80 | 0.75 | 0.75 | 2,353,229 | 0.75 |
| 3/31/2026 | 0.76 | 0.80 | 0.76 | 0.77 | 2,853,446 | 0.77 |
| 3/30/2026 | 0.76 | 0.78 | 0.73 | 0.74 | 3,757,562 | 0.74 |
| 3/27/2026 | 0.80 | 0.82 | 0.76 | 0.76 | 3,169,678 | 0.76 |
| 3/26/2026 | 0.86 | 0.86 | 0.81 | 0.81 | 2,618,218 | 0.81 |
| 3/25/2026 | 0.86 | 0.90 | 0.86 | 0.86 | 2,547,289 | 0.86 |
| 3/24/2026 | 0.89 | 0.90 | 0.83 | 0.85 | 2,655,829 | 0.85 |
| 3/23/2026 | 0.85 | 0.91 | 0.79 | 0.90 | 4,562,909 | 0.90 |
| 3/20/2026 | 0.87 | 0.88 | 0.83 | 0.85 | 3,813,490 | 0.85 |
| 3/19/2026 | 0.88 | 0.89 | 0.85 | 0.86 | 2,418,960 | 0.86 |
| 3/18/2026 | 0.93 | 0.94 | 0.88 | 0.88 | 3,132,274 | 0.88 |
| 3/17/2026 | 0.95 | 0.96 | 0.92 | 0.93 | 2,775,957 | 0.93 |
| 3/16/2026 | 0.95 | 0.98 | 0.94 | 0.94 | 2,701,259 | 0.94 |
| 3/13/2026 | 0.98 | 1.01 | 0.93 | 0.95 | 2,835,010 | 0.95 |
| 3/12/2026 | 1.02 | 1.02 | 0.95 | 0.98 | 3,975,009 | 0.98 |
| 3/11/2026 | 1.05 | 1.07 | 1.00 | 1.05 | 3,568,758 | 1.05 |
| 3/10/2026 | 0.94 | 1.10 | 0.94 | 1.04 | 8,454,545 | 1.04 |
| 3/09/2026 | 0.88 | 0.93 | 0.85 | 0.93 | 4,933,230 | 0.93 |
| 3/06/2026 | 0.89 | 0.90 | 0.84 | 0.86 | 5,636,905 | 0.86 |
| 3/05/2026 | 0.90 | 0.97 | 0.89 | 0.91 | 4,155,313 | 0.91 |