5 DAY PERFORMANCE
+20.78%
1 MONTH PERFORMANCE
+11.38%
3 MONTH PERFORMANCE
+0.96%
6 MONTH PERFORMANCE
+10.05%
YEAR-TO-DATE PERFORMANCE
-15.45%
1 YEAR PERFORMANCE
-45.29%
Quantum-Si Incorporated Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 09/21/2026 | $0.76 | $0.76 (-0.38%) | $0.77 | $0.75 | 1.12 M | $164.64 M |
| 09/18/2026 | $0.79 | $0.75 (-5.68%) | $0.80 | $0.74 | 1.71 M | $162.28 M |
| 09/17/2026 | $0.75 | $0.77 (2.74%) | $0.80 | $0.75 | 2.83 M | $167.71 M |
| 09/16/2026 | $0.72 | $0.73 (1.26%) | $0.75 | $0.72 | 915.22 K | $159.02 M |
| 09/15/2026 | $0.72 | $0.72 (0%) | $0.74 | $0.72 | 1.17 M | $156.82 M |
| 09/14/2026 | $0.73 | $0.73 (-0.51%) | $0.75 | $0.72 | 1.39 M | $157.91 M |
| 09/11/2026 | $0.74 | $0.74 (0.12%) | $0.76 | $0.74 | 1.07 M | $161.17 M |
| 09/10/2026 | $0.75 | $0.74 (-1.45%) | $0.76 | $0.73 | 1.72 M | $160.98 M |
| 09/09/2026 | $0.76 | $0.75 (-1.34%) | $0.77 | $0.75 | 1.45 M | $163.35 M |
| 09/08/2026 | $0.77 | $0.76 (-0.94%) | $0.79 | $0.76 | 1.05 M | $165.53 M |
| 09/04/2026 | $0.76 | $0.77 (0.79%) | $0.77 | $0.76 | 898.78 K | $166.84 M |
| 09/03/2026 | $0.77 | $0.76 (-0.77%) | $0.79 | $0.76 | 980.00 K | $165.75 M |
| 09/02/2026 | $0.76 | $0.76 (0.32%) | $0.79 | $0.75 | 1.62 M | $165.75 M |
| 09/01/2026 | $0.75 | $0.76 (0.97%) | $0.78 | $0.75 | 1.50 M | $164.94 M |
| 08/31/2026 | $0.78 | $0.77 (-1.64%) | $0.78 | $0.76 | 1.13 M | $166.81 M |
| 08/28/2026 | $0.82 | $0.78 (-5.1%) | $0.82 | $0.77 | 2.42 M | $169.89 M |
| 08/27/2026 | $0.79 | $0.80 (1.52%) | $0.83 | $0.79 | 1.38 M | $174.92 M |
| 08/26/2026 | $0.85 | $0.79 (-6.99%) | $0.86 | $0.79 | 2.66 M | $172.19 M |
| 08/25/2026 | $0.79 | $0.85 (7.42%) | $0.86 | $0.78 | 4.37 M | $184.54 M |
| 08/24/2026 | $0.80 | $0.77 (-3.84%) | $0.83 | $0.75 | 3.85 M | $167.56 M |
| 08/21/2026 | $0.78 | $0.84 (6.4%) | $0.93 | $0.78 | 7.83 M | $181.86 M |
| 08/20/2026 | $0.77 | $0.78 (1.75%) | $0.81 | $0.77 | 3.23 M | $169.89 M |
| 08/19/2026 | $0.72 | $0.77 (7.06%) | $0.78 | $0.72 | 2.86 M | $167.73 M |
| 08/18/2026 | $0.73 | $0.73 (-0.61%) | $0.74 | $0.72 | 1.52 M | $158.56 M |
| 08/17/2026 | $0.74 | $0.74 (0.57%) | $0.80 | $0.74 | 2.43 M | $162.09 M |
| 08/14/2026 | $0.75 | $0.74 (-1.36%) | $0.77 | $0.71 | 7.00 M | $161.17 M |
| 08/13/2026 | $0.86 | $0.79 (-7.6%) | $0.91 | $0.79 | 4.38 M | $172.06 M |
| 08/12/2026 | $0.83 | $0.84 (0.79%) | $0.87 | $0.83 | 1.50 M | $182.39 M |
| 08/11/2026 | $0.80 | $0.82 (3.16%) | $0.85 | $0.80 | 2.06 M | $178.64 M |
| 08/10/2026 | $0.82 | $0.79 (-3.36%) | $0.84 | $0.79 | 2.43 M | $171.56 M |
| 08/07/2026 | $0.76 | $0.81 (6.9%) | $0.83 | $0.76 | 2.73 M | $176.29 M |
| 08/06/2026 | $0.75 | $0.76 (0.37%) | $0.78 | $0.75 | 1.49 M | $163.44 M |
| 08/05/2026 | $0.78 | $0.76 (-2.41%) | $0.79 | $0.76 | 2.48 M | $163.76 M |
| 08/04/2026 | $0.76 | $0.77 (0.16%) | $0.80 | $0.76 | 3.99 M | $165.69 M |
| 08/03/2026 | $0.72 | $0.75 (3.61%) | $0.76 | $0.71 | 2.71 M | $161.49 M |
| 07/31/2026 | $0.73 | $0.71 (-2.41%) | $0.75 | $0.71 | 1.84 M | $154.21 M |
| 07/30/2026 | $0.73 | $0.72 (-0.77%) | $0.74 | $0.69 | 3.56 M | $155.86 M |
| 07/29/2026 | $0.76 | $0.70 (-7.27%) | $0.78 | $0.70 | 4.10 M | $152.03 M |
| 07/28/2026 | $0.78 | $0.76 (-1.86%) | $0.78 | $0.74 | 3.27 M | $164.65 M |
| 07/27/2026 | $0.79 | $0.78 (-0.63%) | $0.81 | $0.77 | 1.09 M | $169.58 M |
| 07/24/2026 | $0.79 | $0.77 (-3.06%) | $0.80 | $0.76 | 2.59 M | $166.71 M |
| 07/23/2026 | $0.79 | $0.79 (0%) | $0.83 | $0.78 | 3.29 M | $171.01 M |
| 07/22/2026 | $0.81 | $0.80 (-1.23%) | $0.85 | $0.80 | 2.84 M | $173.18 M |
| 07/21/2026 | $0.82 | $0.84 (1.75%) | $0.85 | $0.82 | 1.47 M | $180.97 M |
| 07/20/2026 | $0.83 | $0.82 (-1.57%) | $0.84 | $0.81 | 1.50 M | $176.86 M |
| 07/17/2026 | $0.82 | $0.82 (0.29%) | $0.85 | $0.80 | 2.30 M | $178.03 M |
| 07/16/2026 | $0.85 | $0.82 (-4.06%) | $0.86 | $0.81 | 3.74 M | $177.36 M |
| 07/15/2026 | $0.87 | $0.86 (-1.23%) | $0.90 | $0.86 | 2.26 M | $186.60 M |
| 07/14/2026 | $0.87 | $0.87 (-0.44%) | $0.90 | $0.86 | 1.21 M | $187.51 M |
| 07/13/2026 | $0.88 | $0.87 (-1.22%) | $0.88 | $0.85 | 3.53 M | $188.18 M |
| 07/10/2026 | $0.95 | $0.88 (-6.73%) | $0.95 | $0.88 | 2.91 M | $191.08 M |
| 07/09/2026 | $0.91 | $0.96 (5.76%) | $0.97 | $0.90 | 2.58 M | $208.33 M |
| 07/08/2026 | $0.89 | $0.91 (3.07%) | $0.93 | $0.89 | 3.42 M | $197.57 M |
| 07/07/2026 | $0.94 | $0.92 (-1.86%) | $0.95 | $0.90 | 3.71 M | $199.05 M |
| 07/06/2026 | $0.93 | $0.95 (2.55%) | $0.98 | $0.93 | 2.63 M | $206.02 M |
| 07/02/2026 | $0.93 | $0.93 (0.51%) | $1.01 | $0.92 | 6.04 M | $201.41 M |
| 07/01/2026 | $0.88 | $0.92 (5.01%) | $0.96 | $0.88 | 5.51 M | $200.04 M |
| 06/30/2026 | $0.88 | $0.89 (0.57%) | $0.92 | $0.87 | 3.19 M | $191.58 M |
| 06/29/2026 | $0.86 | $0.89 (3.52%) | $0.91 | $0.85 | 3.99 M | $192.42 M |
| 06/26/2026 | $0.84 | $0.85 (2.04%) | $0.89 | $0.80 | 18.91 M | $185.04 M |
| 06/25/2026 | $0.85 | $0.86 (0.86%) | $0.89 | $0.78 | 8.41 M | $185.58 M |
| 06/24/2026 | $0.90 | $0.83 (-8.09%) | $0.92 | $0.83 | 5.13 M | $179.07 M |
| 06/23/2026 | $0.91 | $0.88 (-3.3%) | $0.93 | $0.88 | 5.55 M | $190.50 M |
| 06/22/2026 | $1.00 | $0.92 (-7.88%) | $1.07 | $0.92 | 5.93 M | $199.41 M |
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