More about High-Yield Cash Accounts with M1
Brokerage Accounts
Retirement Accounts
Other Accounts
Quotes are delayed by 15 minutes.
1D
1W
1M
3M
6M
YTD
1Y
2Y
5Y
ALL
Market cap
$262638194
EPS
-10.79
P/E ratio
--
Price to sales
125.62
Dividend yield
--
Beta
3.051141
Previous close
$17.32
Today's open
$17.32
Day's range
$15.89 - $17.33
52 week range
$11 - $62
show more
CEO
Andrew Leaver
Employees
82
Headquarters
London,
Exchange
NASDAQ Capital Market
Shares outstanding
15651859
Issue type
Common Stock
Technology
Software & IT Services
Quantum's Next Winners? 3 Enablers With 10%+ Projected Growth in 2026
IONQ's $1.8B SkyWater deal signals a shift to vertically integrated quantum, spotlighting three enablers, NOC, NET & ARQQ, set for 10%+ earnings growth in 2026.
Zacks Investment Research • Jan 28, 2026

Arqit Launches Encryption Intelligence: Automated Cryptographic Discovery for Post-Quantum Migration and Compliance
LONDON, Jan. 22, 2026 (GLOBE NEWSWIRE) -- Arqit (Nasdaq: ARQQ, ARQQW), a global leader in quantum-safe encryption, today announced the full commercial launch of Encryption Intelligence (EI), a product that delivers a complete cryptographic inventory, alongside continuous discovery and risk prioritisation to help enterprises plan and execute migration to post-quantum cryptography (PQC) efficiently and with minimal disruption. Migration to quantum-safe encryption will be the biggest IT transformation of the coming decade.
GlobeNewsWire • Jan 22, 2026

Is ARQIT QUANTUM (ARQQ) Outperforming Other Computer and Technology Stocks This Year?
Here is how Arqit Quantum Inc. (ARQQ) and Dragonfly Energy Holdings Corp. (DFLI) have performed compared to their sector so far this year.
Zacks Investment Research • Jan 6, 2026

Arqit Quantum Inc. (ARQQ) Q4 2025 Earnings Call Transcript
Arqit Quantum Inc. (ARQQ) Q4 2025 Earnings Call Transcript
Seeking Alpha • Dec 9, 2025

Arqit Quantum Inc. Announces Financial Results for Fiscal Year 2025
LONDON, Dec. 09, 2025 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (Nasdaq: ARQQ) (“Arqit” or the “Company”), a global leader in quantum-safe encryption, announces financial results for the fiscal year ended 30 September 2025. Consistent with management's preliminary assessment of the expected range of revenue which was announced 9 October 2025, reported revenue for the fiscal year ended 30 September 2025 was $530,000.
GlobeNewsWire • Dec 9, 2025

Arqit and Sparkle achieve quantum-resistant encryption at the speed of light
LONDON, Dec. 03, 2025 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (NASDAQ: ARQQ, “Arqit”), a global leader in quantum-safe encryption, and Sparkle, a Tier 1 global telecoms operator, have successfully demonstrated quantum-resilient data transmission across Sparkle's optical network in Greece. The proof of concept (POC), implemented over Sparkle metropolitan optical ring in Athens, shows how Arqit's encryption technology can be embedded directly into the optical transport layer, protecting high-capacity networks against future quantum threats without impacting performance.
GlobeNewsWire • Dec 3, 2025

Arqit Quantum Inc. Sets Fiscal year 2025 Conference Call for Tuesday, December 9, 2025 at 11:00 a.m. ET
LONDON, Dec. 01, 2025 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (“Arqit”), a leader in quantum safe encryption, announced it will report financial results for the fiscal year ending September 30, 2025 on Tuesday, December 9, 2025.
GlobeNewsWire • Dec 1, 2025

Arqit Quantum: ARQQ Stock's 10x Upside To $270?
Arqit Quantum stock (NASDAQ: ARQQ) has recently experienced a substantial decline, plummeting an alarming 24% within just one week. This downturn is predominantly attributed to investors retracting from highly speculative quantum growth stocks, driven by concerns regarding global instability and possible postponements in interest rate reductions.
Forbes • Nov 18, 2025

Why Arqit Quantum Stock Plummeted This Week
Arqit Quantum's valuation moved lower this week as investors sold out of speculative growth plays. Quantum computing stocks as a category had a rough week.
The Motley Fool • Nov 16, 2025

Arqit launches SKA Central Controller to simplify quantum-safe network deployments for Managed Service Providers
LONDON, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (NASDAQ: ARQQ, “Arqit”), a global leader in quantum-safe encryption, today announced the launch of SKA Central Controller (SKA-CC), an innovative software platform that future-proofs network security against current and post-quantum threats. SKA-CC is a crypto-agile, low-footprint product that enables Telco and Defense Managed Service Providers to deliver quantum-safe network services without the cost and complexity of traditional key management.
GlobeNewsWire • Nov 11, 2025

¹ Disclosures

Open an M1 investment account to buy and sell Arqit Quantum Inc. commission-free¹. Build wealth for the long term using automated trading and transfers.