Arqit Quantum (STU:3D6) FCF Margin %: -4,124.30% (As of Mar. 2026)


STU:3D6 Arqit Quantum Inc STU:3D6
27 GF Score
Price €17.25
GF Value €9.91
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is Arqit Quantum FCF Margin %?

Arqit Quantum STU:3D6 -10.09% 27 FCF Margin % is -4,124.30% as of Mar. 2026. GuruFocus rates STU:3D6 with a GF Score™ of 27/100 and a GF Value™ of €9.91 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 2,808 Software companies, Arqit Quantum ranks worse than 98.54% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Arqit Quantum's Free Cash Flow for the six months ended in Mar. 2026 was €-22.23 Mil. Arqit Quantum's Revenue for the six months ended in Mar. 2026 was €0.54 Mil. Therefore, Arqit Quantum's FCF Margin % for the quarter that ended in Mar. 2026 was -4,124.30%.

As of today, Arqit Quantum's current FCF Yield % is -12.47%.

The historical rank and industry rank for Arqit Quantum's FCF Margin % or its related term are showing as below:

STU:3D6' s FCF Margin % Range Over the Past 10 Years
Min: -69458.33   Med: -7648.13   Max: -709.25
Current: -3969.13


During the past 7 years, the highest FCF Margin % of Arqit Quantum was -709.25%. The lowest was -69458.33%. And the median was -7648.13%.

STU:3D6's FCF Margin % is ranked worse than
98.54% of 2808 companies
in the Software industry
Industry Median: 2.44 vs STU:3D6: -3969.13


Arqit Quantum FCF Margin % Related Terms


Arqit Quantum FCF Margin % Historical Data

* Premium members only.

The historical data trend for Arqit Quantum's FCF Margin % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Arqit Quantum FCF Margin % Chart

Arqit Quantum Annual Data
Trend Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
FCF Margin %
Get a 7-Day Free Trial -69,119.51 -709.25 -7,644.00 -12,782.95 -5,674.12

Arqit Quantum Semi-Annual Data
Sep19 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
FCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -20,028.44 -7,876.43 -18,990.32 -3,756.85 -4,124.30

STU:3D6 vs IIIV, IMXI, CINT: FCF Margin % Comparison

For the Software - Infrastructure subindustry, Arqit Quantum's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Arqit Quantum FCF Margin % vs Software Industry

For the Software industry and Technology sector, Arqit Quantum's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Arqit Quantum's FCF Margin % falls into.


STU:3D6
27GF Score
Arqit Quantum Inc STU:3D6
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Arqit Quantum FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Arqit Quantum's FCF Margin for the fiscal year that ended in Sep. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Sep. 2025 )/Revenue (A: Sep. 2025 )
=-25.647/0.452
=-5,674.12 %

Arqit Quantum's FCF Margin for the quarter that ended in Mar. 2026 is calculated as

FCF Margin=Free Cash Flow (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=-22.23/0.539
=-4,124.30 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about FCF Margin % →
What does a FCF Margin % of -4,124.30% mean?
Arqit Quantum (STU:3D6) has a FCF Margin % of -4,124.30% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Arqit Quantum and its competitors. According to the industry distribution chart, Arqit Quantum ranks #2767 out of 2808 companies in the Software industry, placing it in the top 98.5%.
Is Arqit Quantum's FCF Margin % too high?
Arqit Quantum's current FCF Margin % is -4,124.30%. Based on the distribution chart, Arqit Quantum ranks #2767 out of 2808 companies in the Software industry, which is in the bottom quartile relative to peers. Overall, Arqit Quantum has a GF Score™ of 27/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Arqit Quantum's FCF Margin % compare to IIIV and IMXI?
According to the Software industry distribution chart, Arqit Quantum ranks #2767 out of 2808 companies for FCF Margin %. This places Arqit Quantum in the lower half of its industry. The industry median FCF Margin % is 2.44. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Software company?
The median FCF Margin % among Software companies is 2.44, based on 2,808 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Arqit Quantum and its competitors. For the Software industry, the median FCF Margin % is 2.44 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Arqit Quantum's current FCF Margin % is -4,124.30%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Arqit Quantum stock overvalued right now?
Based on GuruFocus' analysis, Arqit Quantum (STU:3D6) is currently considered Significantly Overvalued. The stock's GF Value™ is €9.91, compared to a current price of €17.25 — trading 74.1% above its estimated fair value. The current FCF Margin % is -4,124.30%. Arqit Quantum's overall GF Score™ is 27/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Arqit Quantum (STU:3D6), the current FCF Margin % is -4,124.30% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Arqit Quantum (STU:3D6) Overvalued in 2026?

Based on GuruFocus' analysis, Arqit Quantum stock appears to be overvalued. The current stock price of €17.25 is trading 74.1% above its estimated GF Value™ of €9.91. GuruFocus considers Arqit Quantum to be Significantly Overvalued.

Key valuation signals for STU:3D6:

  • FCF Margin %: -4,124.30%
  • GF Value™: €9.91 vs. price of €17.25 (74.1% above fair value)
  • GF Score™: 27/100 with 4 warning signs

No single metric tells the full story. See the STU:3D6 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Arqit Quantum Business Description

Other Exchanges ARQQ:USA
Address 3 Orchard Place, London, GBR, SW1H 0BF
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.
27GF Score

Get the complete analysis for STU:3D6

FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€17.25
Price
€9.91
GF Value