Arqit Quantum (ARQQ)

P/B ratio as of February 2026 : 10.8

According to Arqit Quantum's latest financial reports the company has a price-to-book ratio of 554.164.
The price-to-book ratio is a way to measure how much the stock market thinks a company is worth compared to how much the company says its assets are worth on paper.

Arqit Quantum - P/B ratio (from 2021 to 2025)

P/B ratio by year

Year	P/B ratio	Change
2025-12-31	14.1	-65.68%
2024-12-31	41.1	3421.79%
2023-12-31	1.17	-80.3%
2022-12-31	5.92	-106.97%
2021-12-31	-85.0

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Arqit Quantum (ARQQ) - P/B ratio