Arqit Quantum Inc. (ARQQ) Stock

Technology · Software - Infrastructure · Member of Other US Stocks

Arqit Quantum Inc. (ARQQ) closed at USD 15.37 on 2026-10-14, a change of -64.2 % over the past year, with a market capitalization of USD 276.7M.

Arqit Quantum Inc. recent closing prices

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Arqit Quantum Inc. key figures

Previous close

USD 15.37 (2026-10-14)

1-year change

-64.2 %

Market cap

USD 276.7M

Enterprise value

USD 236.95M

P/E ratio (trailing)

-5.25

P/E ratio (forward)

-15.00

EPS (trailing)

-3.03

EPS (forward)

-1.06

PEG ratio

n/a

Price to book

9.25

Revenue growth

829.9 %

Earnings growth

n/a

Dividend per share (trailing)

0.00

Short ratio

6.12

Employees

87

Analyst consensus (third-party)

none

Source: Yahoo Finance via yfinance. Data may be delayed, incomplete or incorrect.

About Arqit Quantum Inc.

Arqit Quantum Inc. provides cybersecurity services through satellite and terrestrial platforms in the United Kingdom. It offers QuantumCloud, a Platform as a Service that creates unbreakable software encryption keys. The company also provides maintenance and support, and professional services. Arqit Quantum Inc. is based in London, the United Kingdom.

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