Arqit Quantum Inc. (ARQQ) stock declined over -4.90%, trading at $20.58 on NASDAQ, down from the previous close of $21.64. The stock opened at $20.70, fluctuating between $20.55 and $21.51 in the recent session.
| Filing Date | Accepted Date | |
|---|---|---|
| Filing Date | Accepted Date | |
|---|---|---|
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 10, 2026 | 20.70 | 21.71 | 20.55 | 20.58 | 171.97K |
| Sep 09, 2026 | 22.21 | 22.82 | 21.40 | 21.64 | 259.52K |
| Sep 08, 2026 | 22.17 | 23.29 | 22.12 | 22.59 | 257.62K |
| Sep 04, 2026 | 20.85 | 21.40 | 20.23 | 21.37 | 148.91K |
| Sep 03, 2026 | 20.54 | 21.36 | 20.20 | 20.62 | 249.84K |
| Sep 02, 2026 | 18.60 | 21.28 | 18.60 | 20.54 | 666.14K |
| Sep 01, 2026 | 19.25 | 19.65 | 18.74 | 18.90 | 161.23K |
| Aug 31, 2026 | 19.33 | 20.46 | 19.24 | 19.88 | 121.48K |
| Aug 28, 2026 | 21.42 | 21.70 | 19.90 | 20.04 | 201.31K |
| Aug 27, 2026 | 21.05 | 21.95 | 20.85 | 21.46 | 188.4K |
| Aug 26, 2026 | 20.38 | 20.99 | 19.90 | 20.36 | 176.42K |
| Aug 25, 2026 | 20.92 | 21.70 | 20.12 | 20.42 | 190.21K |
| Aug 24, 2026 | 20.75 | 20.75 | 19.25 | 20.13 | 246.57K |
| Aug 21, 2026 | 21.34 | 22.49 | 20.35 | 21.14 | 719.71K |
| Aug 20, 2026 | 21.15 | 21.57 | 20.35 | 20.94 | 153.77K |
| Aug 19, 2026 | 21.50 | 21.88 | 20.75 | 21.53 | 328.47K |
| Aug 18, 2026 | 22.82 | 23.86 | 21.80 | 21.98 | 336.24K |
| Aug 17, 2026 | 24.12 | 24.63 | 23.30 | 24.35 | 226.52K |
| Aug 14, 2026 | 23.47 | 24.90 | 23.30 | 24.36 | 181.11K |
| Aug 13, 2026 | 23.92 | 24.37 | 23.02 | 23.75 | 223.31K |
Arqit Quantum Inc. is a London, UK-based company that provides cutting-edge cybersecurity solutions, leveraging both satellite and ground-based infrastructure to protect its clients. A core component of its service portfolio is QuantumCloud, an innovative platform that facilitates the download of a compact software agent onto any device. This agent's primary purpose is to cooperatively generate strong encryption keys by interacting with other connected devices.
| Employees | 91 |
| Beta | 2.28 |
| Sales or Revenue | $530.00K |
| 5Y Sales Change% | 0% |
| Fiscal Year Ends | September |
| Sector | Technology |
| Industry | Software - Application |
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