20.58

4.90% -1.06

Pre-market: 20.99 0.41 +1.99%

Arqit Quantum Inc (ARQQ)

Overview News Price History Option Chain Discussions Forecast

Arqit Quantum Inc stock is traded at $20.58, with a volume of 171.46K. It is down -4.90% in the last 24 hours and down -8.98% over the past month. Arqit Quantum Inc is a cybersecurity company that has pioneered a symmetric key agreement technology that makes the communications links of any networked device or data at rest secure against current and future forms of cyber attack - even an attack from a quantum computer. The company delivers its symmetric key agreement technology via its product SKA-Platform. The firm operates in one segment, that is, the provision of cybersecurity services. The company operates and generates its revenue from UK.

Previous Close:

$21.64

Open:

$20.7

24h Volume:

171.46K

Relative Volume:

0.25

Market Cap:

$358.14M

Revenue:

$1.09M

Net Income/Loss:

$-51.23M

P/E Ratio:

-6.4699

EPS:

-3.1809

Net Cash Flow:

$-42.00M

1W Performance:

-0.19%

1M Performance:

-8.98%

6M Performance:

+36.38%

1Y Performance:

-25.97%

1-Day Range:

$20.55

$21.71

1-Week Range:

$20.23

$23.29

52-Week Range:

$11.52

$62.00

Arqit Quantum Inc Stock (ARQQ) Company Profile

Name

Arqit Quantum Inc

Sector

Technology (778)

Industry

Software - Infrastructure (172)

Phone

Address

Employee

Twitter

Next Earnings Date

2026-05-21

Latest SEC Filings

ARQQ's Discussions on Twitter

Compare ARQQ vs MSFT, ORCL, PLTR, CRWD, FTNT

Stocks	Price	Market Cap	Revenue	Net Income	Cash Flow	EPS
ARQQ Arqit Quantum Inc	20.58	358.14M	1.09M	-51.23M	-42.00M	-3.1809
MSFT Microsoft Corp	492.44	3.66T	318.27B	125.22B	72.92B	16.79
ORCL Oracle Corp	152.94	440.54B	67.36B	17.31B	-23.69B	5.8248
PLTR Palantir Technologies Inc	165.86	398.57B	5.22B	2.29B	2.69B	0.8876
CRWD Crowdstrike Holdings Inc	208.86	213.86B	5.09B	-24.89M	1.43B	-0.0471
FTNT Fortinet Inc	158.85	116.55B	7.11B	1.95B	2.44B	2.5883

Arqit Quantum Inc Stock (ARQQ) Upgrades & Downgrades

Date	Action	Analyst	Rating Change
Dec-31-24	Reiterated	H.C. Wainwright	Buy
Jul-19-22	Initiated	Deutsche Bank	Hold
Apr-26-22	Initiated	H.C. Wainwright	Buy

Arqit Quantum Inc Stock (ARQQ) Latest News

Sep 10, 2026

Arqit Quantum (NASDAQ: ARQQ) Secures Full Shareholder Approval at 2026 AGM, Board Members Confirmed Through 2029 - Kalkine Media

Sep 10, 2026

One investor now holds a tenth of Arqit Quantum (NASDAQ: ARQQ), using warrants to reach that stake - Stock Titan

Sep 10, 2026

The Quantum Deadline Moved Up. Most Firms Cannot Find Their Own Keys. - The Manila Times

Sep 10, 2026

Sep 09, 2026

Arqit, Es’hailSat, And AIEE Secure Live Satellite Link With Quantum Encryption - Quantum Zeitgeist

Sep 01, 2026

Arqit, Es’hailSat and AIEE Demonstrate Quantum-Safe Satellite Communications - The Quantum Insider

Sep 01, 2026

Arqit, Es’hailSat and AIEE Demonstrate Quantum-Safe Security Across Live Satellite Communications Infrastructure - Quiver Quantitative

Sep 01, 2026

Arqit, Es’hailSat and AIEE Demonstrate Quantum-Safe Satellite Security - GlobeNewswire

Sep 01, 2026

Qatar’s satellite company tests security against quantum threats without disrupting live service - Stock Titan

Sep 01, 2026

Aug 31, 2026

Arqit, Es’hailSat and AIEE demonstrate quantum-safe satellite security - Doha News

Aug 31, 2026

Arqit, Es’hailSat and AIEE demonstrate the first quantum-safe satellite communication in the Middle East - Kuwait Times

Aug 31, 2026

Aug 28, 2026

Arqit Quantum Inc. Warrants (ARQQW) Shareholding Pattern – Promoters, FIIs & DIIs - Value Research

Aug 28, 2026

Aug 27, 2026

Arqit Quantum Inc. Warrants (ARQQW) Peer Comparison – Compare with Others - Value Research

Aug 27, 2026

Aug 25, 2026

Arqit Quantum: The Little Boat That Couldn't (NASDAQ:ARQQ) - Seeking Alpha

Aug 25, 2026

Aug 24, 2026

Arqit (ARQQW) Shares: Ends Down by 22.35% at $0.01 for the Current Session; Level Watch - vinanet.vn

Aug 24, 2026

Price to book forward of Arqit Quantum Inc. – NASDAQ:ARQQW - TradingView

Aug 24, 2026

Aug 22, 2026

Arqit (ARQQW) Move: Records a 60.38% Increase to $0.01 at the Close; Technical Setup: the Supplied Trading Band Runs From $0.01 to $0.01 under the Current SnapshotFactor Crowding - vinanet.vn

Aug 22, 2026

Aug 20, 2026

Arqit (ARQQ) Session: Ends Down by 2.74% at $20.94 for the Current Session; Key Range: Support at $19.89 and Resistance at $21.99 Frame the Range in the Available RecordWyckoff Spring - vinanet.vn

Aug 20, 2026

Arqit Quantum Sets September AGM and Confirms Expiry, Delisting of Nasdaq-Listed Warrants - The Globe and Mail

Aug 20, 2026

Aug 19, 2026

Arqit Quantum (NASDAQ: ARQQ) schedules 2026 vote as warrant cutoff approaches - Stock Titan

Aug 19, 2026

Global Post-Quantum Cryptography Market Size Projected to Reach $2.84 Billion By 2030 - TradingView

Aug 19, 2026

Aug 16, 2026

(ARQQ) Price Dynamics and Execution-Aware Positioning - Stock Traders Daily

Aug 16, 2026

Aug 14, 2026

ARQQ|Arqit Quantum Inc|Price:24.410|Chg%:+0.660 - TradingKey

Aug 14, 2026

Arqit Quantum Inc.: Shareholders Board Members Managers and Company Profile | KYG0567U1278 - marketscreener.com

Aug 14, 2026

Aug 13, 2026

Arqit Quantum Inc. – A Real Market, An Unrealistic Valuation (NASDAQ:ARQQ) - Seeking Alpha

Aug 13, 2026

Aug 12, 2026

Arqit Quantum Inc. R (3D6.MU) Stock Price, News, Quote & History - Yahoo! Finance Canada

Aug 12, 2026