ARQQ
Arqit Quantum Inc.
stockNASDAQ
Market OpenOct 7, 2026 11:05:33 AM EDT
22.12USD-5.591%(-1.31)75,545
18.92Bid22.21Ask3.29SpreadPre-marketOct 7, 2026 9:28:30 AM EDT
22.50USD-3.969%(-0.93)
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385.12M
Technology
Software-Infrastructure
HQ
London, United Kingdom
145
Previous Close
$23.42
Beta
4.10
52-Week High
$62.00 2025-10-08
52-Week Low
$11.52 2026-03-30
SMA 50
$21.39
SMA 200
$18.95
Avg. Vol 10D
208,873
Avg. Vol 30D
317,692
Avg. Vol 90D
617,857
Relative Vol
0.23
17.40M
8.53M
49.04%
2,439,615
28.59%
5.78
58%/42%
52.23%
44.49%
11.6300%
1,000
3,244
13,480
98,740
Dec 9, 2026 (63d)
Sep 25, 2024 · 1-for-25 (reverse)
Oct 2, 2026
Sep 22, 2026
Aug 28, 2026
ARQQ Profile
Arqit supplies a unique quantum safe encryption Platform-as-a-Service which makes the communications links or data at rest of any networked device or cloud machine secure against current and future forms of attack – even from a quantum computer.
ARQQ Performance
| Period | Price | Date | Change | Beta |
|---|---|---|---|---|
| 1W | 24.06 | 2026-09-30 | -8.02% | 1.001 |
| 1M | 22.59 | 2026-09-08 | -2.04% | 4.346 |
| 3M | 19.84 | 2026-07-07 | +11.54% | 4.593 |
| 6M | 12.55 | 2026-04-07 | +76.33% | 3.711 |
| 1Y | 55.23 | 2025-10-07 | -59.93% | 4.101 |
| 2Y | 3.79 | 2024-10-07 | +483.90% | — |
| 5Y | 471.50 | 2021-10-07 | -95.31% | 1.708 |
ARQQ Stock Summary
Arqit Quantum Inc. (NASDAQ:ARQQ) stock price today is $22.13, and today's volume is 71,796. ARQQ is down 5.548% today. The 30 day average volume is 317,692. ARQQ market cap is $385.12M with 17.40M shares outstanding.