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NASDAQ · ARQQ

Arqit Quantum Inc.

Technology · Software - Infrastructure

$14.86

Down-$0.73 (-4.68%)

Updated Nov 13, 2026, 2:02 PM

SID Score

2.8/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap
257.63M
P/E ratio
-7.12
Dividend yield
0.00%
52-week range
$11.52 – $31.75
Volume
244.83K
Avg. volume
310K

Price performance · ARQQ

ARQQ price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Nov 12, 2026

ARQQ closed at $14.86 after 21 trading sessions, down 6.54% for the selected period.

Last close
$14.86
Period change
-6.54%
Period low
$12.28
Period high
$18.47
Daily close
View OHLC price history
ARQQ OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Nov 12, 2026$14.78$15.4735$14.55$14.86244.83K
Nov 11, 2026$16.13$16.43$15.44$15.59237.51K
Nov 10, 2026$16.30$16.54$14.89$15.74282.17K
Nov 9, 2026$16.12$17.68$15.01$16.86367.22K
Nov 6, 2026$12.96$16.05$12.67$15.96793.97K
Nov 5, 2026$13.65$13.65$11.72$12.28430.59K
Nov 4, 2026$15.00$15.55$13.685$13.87314.51K
Nov 3, 2026$14.97$15.795$14.72$15.00181.69K
Nov 2, 2026$16.03$16.0895$14.11$14.25301.01K
Oct 30, 2026$16.61$16.83$15.03$15.73304.82K
Oct 29, 2026$18.33$18.57$17.51$17.60141.15K
Oct 28, 2026$18.00$18.57$17.57$18.47144.95K
Oct 27, 2026$16.68$18.28$16.60$18.04231.65K
Oct 26, 2026$16.56$16.915$15.84$16.295134.48K
Oct 23, 2026$15.75$16.9499$15.51$16.41148.31K
Oct 22, 2026$16.15$16.77$15.495$15.81220.42K
Oct 21, 2026$15.45$16.73$15.3562$16.40265.92K
Oct 20, 2026$13.64$15.63$13.50$15.31224.98K
Oct 19, 2026$14.62$14.64$13.3701$14.02402.65K
Oct 16, 2026$15.99$16.06$13.92$14.02401.82K
Oct 15, 2026$14.97$15.90$14.50$15.90326.71K

Latest ARQQ news

The latest Smart Investors Daily articles mentioning ARQQ.

Stock researchCompany · Overview

ARQQ research

Overview

Company profile and research snapshot.

Company profile

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.

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
—
Average target
$60.00
Implied upside
—
Analysts
—
ARQQ recent ratings
DateFirmRatingTarget
Oct 13, 2025HC Wainwright & Co.Buy—
Sep 18, 2025HC Wainwright & Co.Buy—
Dec 31, 2024HC Wainwright & Co.Buy—
Dec 6, 2024HC Wainwright & Co.Buy—
Jul 11, 2024HC Wainwright & Co.Buy—
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News briefing

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Yahoo · Oct 20, 2026

Arqit announces strategic investment in Sirius to strengthen quantum-safe communications for defence and government

Investment builds on successful joint deployments to accelerate product development and expand into new defence marketsLONDON, Oct. 20, 2026 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (NASDAQ: ARQQ), a global leader in quantum-safe encryption helping safeguard sensitive information from current and future cyber threats, today announced a strategic investment in Sirius Computer, Inc., a technology provider of secure computing and networking solutions for defence, intelligence and critical national in

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Interpretive context generated from the platform’s current data sources.

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