Quantum-Si, Inc. (QSI)
0.7451
-0.02
(-3.23%)
USD |
NASDAQ |
Sep 18, 16:00
0.752
+0.01
(+0.93%)
After-Hours: 20:00
Quantum-Si Price : 0.7451 for Sept. 18, 2026
Price Chart
Sep '18
Jan '19
May '19
285.00
270.00
255.00
240.00
Historical Price Data
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 18, 2026 | 0.79 | 0.8015 | 0.74 | 0.7451 | 1.713M |
| Sep 17, 2026 | 0.7495 | 0.7963 | 0.7495 | 0.77 | 2.826M |
| Sep 16, 2026 | 0.721 | 0.7532 | 0.721 | 0.7301 | 915220.0 |
| Sep 15, 2026 | 0.72 | 0.7409 | 0.72 | 0.72 | 1.167M |
| Sep 14, 2026 | 0.7287 | 0.7478 | 0.7201 | 0.725 | 1.390M |
| Sep 11, 2026 | 0.7391 | 0.755 | 0.7391 | 0.74 | 1.074M |
| Sep 10, 2026 | 0.75 | 0.755 | 0.7251 | 0.7391 | 1.715M |
| Sep 09, 2026 | 0.7602 | 0.7748 | 0.746 | 0.75 | 1.449M |
| Sep 08, 2026 | 0.7672 | 0.79 | 0.76 | 0.76 | 1.054M |
| Sep 04, 2026 | 0.76 | 0.7742 | 0.76 | 0.766 | 898781.0 |
| Sep 03, 2026 | 0.7669 | 0.7862 | 0.76 | 0.761 | 979996.0 |
| Sep 02, 2026 | 0.7586 | 0.785 | 0.75 | 0.761 | 1.619M |
| Sep 01, 2026 | 0.75 | 0.7768 | 0.7499 | 0.7573 | 1.504M |
| Aug 31, 2026 | 0.7787 | 0.78 | 0.763 | 0.7659 | 1.134M |
| Aug 28, 2026 | 0.8219 | 0.822 | 0.77 | 0.78 | 2.418M |
| Aug 27, 2026 | 0.7911 | 0.8337 | 0.79 | 0.8031 | 1.375M |
| Aug 26, 2026 | 0.85 | 0.855 | 0.7901 | 0.7906 | 2.663M |
| Aug 25, 2026 | 0.7888 | 0.859 | 0.7817 | 0.8473 | 4.372M |
| Aug 24, 2026 | 0.80 | 0.83 | 0.7515 | 0.7693 | 3.854M |
| Aug 21, 2026 | 0.7848 | 0.931 | 0.78 | 0.835 | 7.825M |
| Aug 20, 2026 | 0.7666 | 0.8099 | 0.7666 | 0.78 | 3.234M |
| Aug 19, 2026 | 0.7193 | 0.7845 | 0.7193 | 0.7701 | 2.863M |
| Aug 18, 2026 | 0.7325 | 0.7439 | 0.7184 | 0.728 | 1.520M |
| Aug 17, 2026 | 0.74 | 0.795 | 0.7394 | 0.7442 | 2.430M |
| Aug 14, 2026 | 0.75 | 0.767 | 0.71 | 0.7398 | 7.001M |
Price Definition
The price of a security measures the cost to purchase 1 share of a security. For a company, price can be multiplied by shares outstanding to find the market capitalization (value of the company).
Price Range, Past 5 Years
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Median
Price Benchmarks
| Champions Oncology, Inc. | 5.30 |
| Medpace Holdings, Inc. | 612.33 |
| Avantor, Inc. | 15.52 |
| Personalis, Inc. | 16.40 |
| Adaptive Biotechnologies Corp. | 28.61 |
Price Related Metrics
| PS Ratio | 98.94 |
| Price to Book Value | 0.905 |
| Earnings Yield | -62.15% |
| Market Cap | 163.09M |