6-Aug-2026
A $19 Billion Trust Layer Is Being Rebuilt for the Quantum Age. QSE Just Got a Seat at the Table
Globe Newswire (Tue, 4-Aug 9:00 AM ET)
nLighten and Arqit prove you can use the public cloud without giving up sovereignty
Globe Newswire (Tue, 14-Jul 9:00 AM ET)
PRNewswire (Thu, 9-Jul 9:54 AM ET)
Arqit Quantum Stands Out as Post-Quantum Encryption Moves Center Stage Amid $2B Federal Quantum Push
Market Chameleon (Mon, 6-Jul 5:41 AM ET)
PRNewswire (Mon, 6-Jul 8:45 AM ET)
ARQQ’s Quantum-Safe Encryption Expansion Highlights the Urgency for Post-Quantum Security Solutions
Market Chameleon (Wed, 17-Jun 6:36 AM ET)
Arqit Quantum Highlights Urgent Shift to Quantum-Resistant Security as Global Deadlines Approach
Market Chameleon (Wed, 17-Jun 4:57 AM ET)
The Quiet Race to Rewire the World's Encryption Before Quantum Computers Break It
PRNewswire (Wed, 17-Jun 8:45 AM ET)
The Decade-Defining Race to Lock Down the World's Data Before Quantum Breaks It
Globe Newswire (Wed, 10-Jun 8:45 AM ET)
The Company Trying to Make Your AI Data Worthless to Hackers
Globe Newswire (Wed, 3-Jun 1:44 PM ET)
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.
Arqit Quantum - trades on the NASDAQ stock market under the symbol ARQQ.
As of August 6, 2026, ARQQ stock price climbed to $21.47 with 186,374 million shares trading.
ARQQ has a beta of 4.04, meaning it tends to be more sensitive to market movements. ARQQ has a correlation of 0.19 to the broad based SPY ETF.
ARQQ has a market cap of $373.63 million. This is considered a Small Cap stock.
In the last 3 years, ARQQ traded as high as $62.00 and as low as $3.72.
The top ETF exchange traded funds that ARQQ belongs to (by Net Assets): QTUM, BUG, WQTM, QTUP, CQTM.
ARQQ has underperformed the market in the last year with a return of -38.2%, while SPY returned +22.6%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in ARQQ shares. However, ARQQ has outperformed the market in the last 3 month and 2 week periods, returning +36.9% and +17.0%, while SPY returned +5.0% and +4.1%, respectively. This indicates ARQQ has been having a stronger performance recently.
ARQQ support price is $19.41 and resistance is $22.53 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that ARQQ shares will trade within this expected range on the day.
