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 November 19, 2024 is 0.63.
  • 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 2.43, which is 285.7% above the current share price.
  • The Quantum-Si 52-week low stock price is 0.61, which is 3.2% below the current share price.
  • The average Quantum-Si stock price for the last 52 weeks is 1.37.
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 1.3333 2.0300 2.2300 0.6330 0.6330 -68.51%
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 $0.090B $0.001B
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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Himax Technologies (HIMX) Taiwan $0.914B 11.89
Ceva (CEVA) United States $0.668B 0.00
Ams-OSRAM AG (AMSSY) Austria $0.649B 0.00
NLight (LASR) United States $0.526B 0.00
SkyWater Technology (SKYT) United States $0.391B 0.00
NVE (NVEC) United States $0.364B 22.58
Navitas Semiconductor (NVTS) United States $0.347B 0.00
POET Technologies (POET) Canada $0.288B 0.00
Silvaco (SVCO) United States $0.214B 0.00
Valens Semiconductor (VLN) Israel $0.206B 0.00
Atomera (ATOM) United States $0.160B 0.00
IQE (IQEPF) United Kingdom $0.126B 0.00
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Pixelworks (PXLW) United States $0.042B 0.00
Nano Labs (NA) China $0.026B 0.00
Mobix Labs (MOBX) United States $0.019B 0.00
SemiLEDS (LEDS) Taiwan $0.009B 0.00
SEALSQ (LAES) Switzerland $0.008B 0.00
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