Arqit Quantum, Inc. engages in the provision of cybersecurity services via satellite and terrestrial forms. Its product is QuantumCloud which secures devices with cloud-based quantum encryption. The company was founded by David John Williams and David James Bestwick on April 26, 2021 and is headquartered in London, the United Kingdom.
Sector:
Technology Services
Industry:
Packaged Software
Employees:
82
Frequently Asked Questions
What is Market Cap of Arqit Quantum Inc?
Market cap, also known as market capitalization, is the total market value of a company. It’s calculated by multiplying the current market price by the total number of shares outstanding. Arqit Quantum Inc market cap is $483.89M.
What is the 52-week high for Arqit Quantum Inc?
52 week high is the highest price of a stock in the past 52 weeks, or one year. Arqit Quantum Inc 52 week high is $52.79 as of September 15, 2025.
What is the 52-week low for Arqit Quantum Inc?
52 week low is the lowest price of a stock in the past 52 weeks, or one year. Arqit Quantum Inc 52 week low is $3.72 as of September 15, 2025.
What is Arqit Quantum Inc stock price today?
Arqit Quantum Inc stock price today is $33.18.
What was Arqit Quantum Inc stock price yesterday?
Arqit Quantum Inc stock price yesterday was $33.71.
What is the PE ratio of Arqit Quantum Inc?
The Price-to-Earnings (or P/E) ratio is a commonly used tool for valuing a company. It’s calculated by dividing the current share price by the earnings per share (or EPS). It can also be calculated by dividing the company’s Market Cap by the Net Profit. Arqit Quantum Inc’s P/E ratio is -18.01.
What is the Price-to-Book ratio of Arqit Quantum Inc?
The Price-to-Book (P/B) ratio is a commonly used tool for valuing a company. It’s calculated by dividing a company’s market capitalization by its book value. Arqit Quantum Inc P/B ratio is 28.4367.
What is the 50-day moving average of Arqit Quantum Inc?
The 50-day moving average is a frequently used data point by active investors and traders to understand the trend of a stock. It’s calculated by averaging the closing stock price over the previous 50 trading days. Arqit Quantum Inc 50-day moving average is $33.87.