Arqit Quantum (FRA:3D6) Effective Interest Rate on Debt %: 6.58% (As of Mar. 2026)

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FRA:3D6 Arqit Quantum Inc FRA:3D6
48 GF Score
Price €15.18
GF Value €8.83
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Arqit Quantum Effective Interest Rate on Debt %?

Arqit Quantum FRA:3D6 +9.45% 48 Effective Interest Rate on Debt % is 6.58% as of Mar. 2026. GuruFocus rates FRA:3D6 with a GF Score™ of 48/100 and a GF Value™ of €8.83 (Significantly Overvalued). The stock has 4 warning signs investors should review.

Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. Arqit Quantum's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was €0.08 Mil. Arqit Quantum's average total debt for the quarter that ended in Mar. 2026 was €1.25 Mil. Therefore, Arqit Quantum's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 6.58%.


Arqit Quantum  (FRA:3D6) Effective Interest Rate on Debt % Explanation

Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.


Arqit Quantum Effective Interest Rate on Debt % Related Terms


Arqit Quantum Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Arqit Quantum's Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % Chart

Arqit Quantum Annual Data
Trend Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial 19.76 2.82 3.37 4.59 5.45

Arqit Quantum Semi-Annual Data
Sep19 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
Effective Interest Rate on Debt % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 3.45 3.77 5.77 5.49 6.58

FRA:3D6 vs ZSQR, DVLT, SUPX: Effective Interest Rate on Debt % Comparison

For the Software - Infrastructure subindustry, Arqit Quantum's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % vs Software Industry

For the Software industry and Technology sector, Arqit Quantum's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where Arqit Quantum's Effective Interest Rate on Debt % falls into.


FRA:3D6
48GF Score
Arqit Quantum Inc FRA:3D6
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Arqit Quantum Effective Interest Rate on Debt % Calculation

Arqit Quantum's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Sep. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Sep. 2024 )+Total Debt  (A: Sep. 2025 ))/ count )
=-1  *  -0.041/( (0.892+0.613)/ 2 )
=-1  *  -0.041/0.7525
=5.45 %

where

Total Debt  (A: Sep. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.634 + 0.258
=0.892

Total Debt  (A: Sep. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.387 + 0.226
=0.613

Arqit Quantum's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Sep. 2025 )+Total Debt  (Q: Mar. 2026 ))/ count )
=-1  *  -0.082/( (0.613+1.879)/ 2 )
=-1  *  -0.082/1.246
=6.58 %

where

Total Debt  (Q: Sep. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.387 + 0.226
=0.613

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.986 + 0.893
=1.879

* 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.

In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data, the Interest Expense data used here is two times the semi-annual (Mar. 2026) interest expense data. Effective Interest Rate on Debt % is displayed in the 30-year financial page.

What does a Effective Interest Rate on Debt % of 6.58% mean?
Arqit Quantum (FRA:3D6) has a Effective Interest Rate on Debt % of 6.58% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Arqit Quantum and its competitors.
Is Arqit Quantum's Effective Interest Rate on Debt % too high?
Arqit Quantum's current Effective Interest Rate on Debt % is 6.58%. Overall, Arqit Quantum has a GF Score™ of 48/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Arqit Quantum's Effective Interest Rate on Debt % compare to ZSQR and DVLT?
Arqit Quantum's Effective Interest Rate on Debt % of 6.58% can be compared against companies in the Software industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Effective Interest Rate on Debt % for a Software company?
A good Effective Interest Rate on Debt % depends on the Software industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Arqit Quantum and its competitors. Arqit Quantum's current Effective Interest Rate on Debt % is 6.58%. 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 (FRA:3D6) is currently considered Significantly Overvalued. The stock's GF Value™ is €8.83, compared to a current price of €15.18 — trading 71.9% above its estimated fair value. The current Effective Interest Rate on Debt % is 6.58%. Arqit Quantum's overall GF Score™ is 48/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For Arqit Quantum (FRA:3D6), the current Effective Interest Rate on Debt % is 6.58% 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 (FRA:3D6) Overvalued in 2026?

Based on GuruFocus' analysis, Arqit Quantum stock appears to be overvalued. The current stock price of €15.18 is trading 71.9% above its estimated GF Value™ of €8.83. GuruFocus considers Arqit Quantum to be Significantly Overvalued.

Key valuation signals for FRA:3D6:

  • Effective Interest Rate on Debt %: 6.58%
  • GF Value™: €8.83 vs. price of €15.18 (71.9% above fair value)
  • GF Score™: 48/100 with 4 warning signs

No single metric tells the full story. See the FRA: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.
48GF Score

Get the complete analysis for FRA:3D6

Effective Interest Rate on Debt % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€15.18
Price
€8.83
GF Value