Quantum-Si Incorporated Class A Share Price

Quantum-Si Incorporated Class A Share Price

QSI
$0.96
+$0.08 (9.76%) Last updated on 21 May, 2026 | 22:33 IST
  • Performance
  • Chart
  • About
  • Price history
  • FAQs

Quantum-Si Incorporated Class A Stock Performance

Open
$0.88
Prev. Close
$0.87
Circuit Range
N/A
Day Range
$0.87 - $0.97
Year Range
$0.69 - $3.09
Volume
48,438
Average Traded
$0.94

Quantum-Si Incorporated Class A Share Price Chart

$0.96
Please wait...

About Quantum-Si Incorporated Class A

Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company offers Platinum NGPS instrument that provides single molecule amino acid level resolution with a streamlined workflow, including automated data analysis that accessible to researchers in all laboratory types; Platinum Pro NGPS instrument, a single molecule amino acid resolution, which provides an enhanced user interface, cloud or on instrument data analysis and an available pro mode; Library preparation kits to prepare protein sample for sequencing; Barcoding Kits to optimize the workflow and performance of technology; and Sequencing Kits contains the reagents and consumables used to perform NGPS on the Platinum or Platinum Pro instrument. It also provides Platinum Analysis Software, a cloud-based solution that automates data analysis workflows and provides a user-friendly interface and visualization of the sequencing results. Its products are used in antibody characterization, biomarker identification, protein identification, protein variants, protein barcoding, and post translational modification analysis applications. Quantum-Si incorporated was founded in 2013 is headquartered in Branford, Connecticut.

Quantum-Si Incorporated Class A Historical Data

DayOpenCloseChange %
19-May-26
$0.83
$0.86
+0.47%
18-May-26
$0.88
$0.85
-4.37%
15-May-26
$0.91
$0.89
-4.29%
14-May-26
$0.92
$0.93
+0.32%
13-May-26
$0.94
$0.93
-1.80%
12-May-26
$0.92
$0.95
+2.83%
11-May-26
$0.89
$0.92
+0.88%

FAQs on Quantum-Si Incorporated Class A Share Price

Can I buy Quantum-Si Incorporated Class A shares in India?

chevron-up
Yes. You can buy Quantum-Si Incorporated Class A in India by opening an international trading account.

What is the share price of Quantum-Si Incorporated Class A?

chevron-up
As on 21 May '26, the share price of Quantum-Si Incorporated Class A QSI is $0.96. If you are investing from India, it is a good idea to check the current exchange rate and calculate the value in rupees before making your investment.

What is the 5 year returns of Quantum-Si Incorporated Class A?

chevron-up
The 5 year returns of Quantum-Si Incorporated Class A is -90.69% as on 21 May '26.

What are the high & low stock price of Quantum-Si Incorporated Class A today?

chevron-up
Quantum-Si Incorporated Class A stock price hit a high of $0.97 and low of $0.87 as on 21 May '26.

What is the 52-week high and low of Quantum-Si Incorporated Class A stock?

chevron-up
The 52-week high of Quantum-Si Incorporated Class A stock is $3.09, while the 52-week low is $0.69 as on 21 May '26.