Quantum-Si
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Quantum-Si, Inc. is a life sciences company focused on revolutionizing the growing field of proteomics. It engages in the development of a proprietary universal single-molecule detection platform to enable Next-Generation Protein Sequencing (NGPS), the ability to sequence proteins in a massively parallel fashion.
QSI Key Statistics
Stock Snapshot
The current Quantum-Si(QSI) stock price is $1.05, with a market capitalization of 229.74M. The stock trades at a price-to-earnings (P/E) ratio of -2.07.
On 2026-05-25, Quantum-Si(QSI) stock traded between a low of $0.98 and a high of $1.09. Shares are currently priced at $1.05, which is +7.0% above the low and -3.7% below the high.
The Quantum-Si(QSI)'s current trading volume is 8.82M, compared to an average daily volume of 6.14M.
During the past year, Quantum-Si(QSI) stock moved between $0.69 at its lowest and $3.10 at its peak.
During the past year, Quantum-Si(QSI) stock moved between $0.69 at its lowest and $3.10 at its peak.
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