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Arqit Quantum (ARQQ): Evaluating Valuation as NetworkSecure Adoption Expands and Cybersecurity Partnerships Grow
Reviewed by Kshitija Bhandaru
Arqit Quantum (ARQQ) is gaining traction as Fabric Networks has purchased a full Private Instance license for its NetworkSecure platform. This move suggests growing momentum for Arqit's quantum-safe encryption technology in the cybersecurity sector.
See our latest analysis for Arqit Quantum.
Momentum appears to be building for Arqit Quantum as it deepens its involvement in major cybersecurity initiatives like the National Cyber Security Centre’s Post-Quantum Cryptography Pilot. The 12.2% total shareholder return over the last year stands out, highlighting renewed interest from the market amid a backdrop of industry partnerships and expanding adoption of its quantum-safe solutions.
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With shares up more than 12% over the past year and fresh partnerships fueling optimism, investors are asking whether Arqit Quantum’s recent momentum signals a buying opportunity or if the market has already priced in all future growth prospects.
Price-to-Book of 47.8x: Is it justified?
Arqit Quantum is trading at a price-to-book ratio of 47.8x, which is well above both the US market and software sector averages. This raises questions about whether the stock’s market premium is justifiable given its fundamentals.
The price-to-book (P/B) ratio measures how much investors are willing to pay for each dollar of company net assets. In software and tech, a higher P/B can sometimes be warranted by rapid growth or unique intellectual property. However, it may also signal that the market has set lofty expectations.
In Arqit Quantum’s case, the current P/B of 47.8x is dramatically higher than the US Software industry average of just 4x. Such a wide gap suggests investors are betting heavily on future growth and potential returns that are not yet reflected in current financials. However, compared to the peer average of 95.2x, Arqit does offer relatively better value within its immediate peer group. Still, industry-wide, the stock clearly trades at a substantial premium to book value.
See what the numbers say about this price — find out in our valuation breakdown.
Result: Price-to-Book of 47.8x (OVERVALUED)
However, revenue and net income growth remain modest. Any slowdown in adoption or partnership momentum could quickly dampen investor enthusiasm.
Find out about the key risks to this Arqit Quantum narrative.
Build Your Own Arqit Quantum Narrative
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A great starting point for your Arqit Quantum research is our analysis highlighting 2 key rewards and 5 important warning signs that could impact your investment decision.
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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
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About NasdaqCM:ARQQ
Arqit Quantum
Provides cybersecurity services through satellite and terrestrial platforms in the United Kingdom.
Medium-low risk with excellent balance sheet.
Market Insights
Weekly Picks
Early mover in a fast growing industry. Likely to experience share price volatility as they scale

A case for CA$31.80 (undiluted), aka 8,616% upside from CA$0.37 (an 86 bagger!).

Moderation and Stabilisation: HOLD: Fair Price based on a 4-year Cycle is $12.08
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