Arqit Quantum Inc. is a London-based cybersecurity company focused on quantum-safe encryption software. Arqit Quantum Inc. provides the QuantumCloud platform, which helps secure communications links for networked devices, cloud systems, and data at rest against current and future forms of cyber attack, including threats associated with quantum computing. The company’s offerings center on symmetric key agreement technology delivered through software-based services, with related maintenance, support, and professional services. Arqit Quantum Inc. serves organizations that need stronger protection for sensitive information across digital infrastructure, including telecom, enterprise, and cloud environments. Its role in the financial market reflects growing demand for advanced cybersecurity tools designed to protect modern networks and data systems in an increasingly complex threat landscape.
Website3 Orchard Place
London, SW1H 0BF
United Kingdom
LONDON and DOHA, Sept. 01, 2026 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (NASDAQ: ARQQ, ARQQW), a global leader in quantum-safe encryption, Es’hailSat - the Qatar Satellite Company - a world-class satellite operator and service provider with coverage spanning the MENA region - and Advanced International Electronic Equipment Company (AIEE), a specialist systems integrator for secure communications infrastructure, today announced the successful demonstration of quantum-safe security across operation
Arqit Quantum looks overvalued at 397.6x FY26 EV/Sales amid dilution, cash burn, and execution risks. Read why ARQQ stock is a Strong Sell.
Detailed price information for Arqit Quantum Inc (ARQQ-Q) from The Globe and Mail including charting and trades.
Detailed price information for Arqit Quantum Inc (ARQQ-Q) from The Globe and Mail including charting and trades.
Investors talking about ARQQ also mention
| # | Name | Attention |
|---|---|---|
| 1 | Quantum Computing Inc.QUBT | 0%-0.01 |
| 2 | IonQ, Inc.IONQ | 0.11%-0.08 |
| 3 | D-Wave Quantum Inc.QBTS | 0%-0.01 |
| 4 | Rigetti Computing, Inc.RGTI | 0.01%-0.01 |
| 5 | SEALSQ CorpLAES | 0%0 |
| 6 | SkyWater Technology, Inc.SKYT | 0%-0.02 |
| 7 | Quantum-Si Incorporated Class A Common StockQSI | 0.02%+0.02 |
| 8 | Quantum CorporationQMCO | 0%0 |
| 9 | Spire Global Inc.SPIR | 0%0 |
| 10 | KACL - Kairous Acquisition Corp. Limited | —— |
What share of all stock conversation is about ARQQ?
| 1 Day1D | 1 Week1W | 1 Month1M | 1 Year1Y | 50-Day MAclick to plot | 200-Day MAclick to plot | |
|---|---|---|---|---|---|---|
| Attention | 0% +0 | 0% +0 | 0% 0 | 0.01% +0 |
Of the messages about ARQQ that take a side, what share is each?
| 1 Day1D | 1 Week1W | 1 Month1M | 1 Year1Y | 50-Day MAclick to plot | 200-Day MAclick to plot | |
|---|---|---|---|---|---|---|
| Bullish | 85.71% -14.29 | 95.08% -3.45 | 87.15% +13.54 | 24.59% -44.29 | ||
| Bearish | 14.29% +14.29 | 4.92% +3.45 | 12.85% -13.54 | 75.41% +44.29 |
Of the messages about ARQQ that carry a topic, what share is each?
| 1 Day1D | 1 Week1W | 1 Month1M | 1 Year1Y | 50-Day MAclick to plot | 200-Day MAclick to plot | |
|---|---|---|---|---|---|---|
| Announcements | 0% | 62.75% | 57.48% | 30.04% | ||
| Technical Analysis | 100% | 37.25% | 42.52% | 1.24% | ||
| Macro | 0% | 0% | 0% | 34.92% | ||
| Controversies | 0% | 0% | 0% | 0.01% | ||
| Analysts | 0% | 0% | 0% | 33.46% | ||
| Earnings | 0% | 0% | 0% | 0.34% |
Of the messages about ARQQ, what share comes from each group?
| 1 Day1D | 1 Week1W | 1 Month1M | 1 Year1Y | 50-Day MAclick to plot | 200-Day MAclick to plot | |
|---|---|---|---|---|---|---|
| Regulars | 95.24% | 87.16% | 57.26% | 53.06% | ||
| Newcomers | 4.76% | 12.84% | 42.74% | 46.94% |