Quantum-Si - 3 Year Stock Price History | QSI

Historical daily share price chart and data for Quantum-Si since 2021 adjusted for splits and dividends. The latest closing stock price for Quantum-Si as of February 29, 2024 is 1.67.
  • The all-time high Quantum-Si stock closing price was 13.56 on July 09, 2021.
  • The Quantum-Si 52-week high stock price is 3.90, which is 133.5% above the current share price.
  • The Quantum-Si 52-week low stock price is 1.12, which is 32.9% below the current share price.
  • The average Quantum-Si stock price for the last 52 weeks is 1.80.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Quantum-Si Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2024 1.6923 2.0300 2.0500 1.4300 1.6700 -16.92%
2023 1.8685 1.8400 3.8900 1.1450 2.0100 9.84%
2022 3.6115 8.2200 8.2200 1.8200 1.8300 -76.75%
Sector Industry Market Cap Revenue
Computer and Technology Semiconductors $0.247B $0.000B
Quantum-Si Incorporated is a company pioneering next-generation semiconductor chip-based proteomics. Quantum-Si Incorporated, formerly known as HighCape Capital Acquisition Corp., is based in NEW YORK.
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