Tonner Drones (XPAR:ALTD) Effective Interest Rate on Debt %: -100.96% (As of Dec. 2025)

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What is Tonner Drones Effective Interest Rate on Debt %?

Tonner Drones XPAR:ALTD -0.34% Effective Interest Rate on Debt % is -100.96% as of Dec. 2025. The stock has 5 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. Tonner Drones's annualized positive value of Interest Expense for the quarter that ended in Dec. 2025 was €-1,956.31 Mil. Tonner Drones's average total debt for the quarter that ended in Dec. 2025 was €1,937.64 Mil. Therefore, Tonner Drones's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 was -100.96%.


Tonner Drones  (XPAR:ALTD) Effective Interest Rate on Debt % Explanation

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


Tonner Drones Effective Interest Rate on Debt % Related Terms


Tonner Drones Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Tonner Drones'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.

Tonner Drones Effective Interest Rate on Debt % Chart

Tonner Drones Annual Data
Trend Dec15 Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 6.12 4.91 3.48 11.15 4.46

Tonner Drones Semi-Annual Data
Jun15 Dec15 Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun24 Dec24 Jun25 Dec25
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 Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 4.21 74,932.79 -257,564.18 101.08 -100.96

XPAR:ALTD vs SPCX, GE, RTX: Effective Interest Rate on Debt % Comparison

For the Aerospace & Defense subindustry, Tonner Drones'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.


Tonner Drones Effective Interest Rate on Debt % vs Aerospace & Defense Industry

For the Aerospace & Defense industry and Industrials sector, Tonner Drones's Effective Interest Rate on Debt % distribution charts can be found below:

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



Tonner Drones Effective Interest Rate on Debt % Calculation

Tonner Drones's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Dec. 2024 )+Total Debt  (A: Dec. 2025 ))/ count )
=-1  *  -0.183/( (2.183+6.023)/ 2 )
=-1  *  -0.183/4.103
=4.46 %

where

Tonner Drones's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Jun. 2025 )+Total Debt  (Q: Dec. 2025 ))/ count )
=-1  *  1956.31/( (3869.257+6.023)/ 2 )
=-1  *  1956.31/1937.64
=-100.96 %

where

Total Debt  (Q: Jun. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=3866.356 + 2.901
=3869.257

* 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 (Dec. 2025) 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 -100.96% mean?
Tonner Drones (XPAR:ALTD) has a Effective Interest Rate on Debt % of -100.96% as of Dec. 2025. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Tonner Drones and its competitors.
Is Tonner Drones' Effective Interest Rate on Debt % too high?
Tonner Drones' current Effective Interest Rate on Debt % is -100.96%.
How does Tonner Drones' Effective Interest Rate on Debt % compare to SPCX and GE?
Tonner Drones' Effective Interest Rate on Debt % of -100.96% can be compared against companies in the Aerospace & Defense 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 an Aerospace & Defense company?
A good Effective Interest Rate on Debt % depends on the Aerospace & Defense 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 Tonner Drones and its competitors. Tonner Drones's current Effective Interest Rate on Debt % is -100.96%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tonner Drones stock overvalued right now?
Tonner Drones (XPAR:ALTD) has a current Effective Interest Rate on Debt % of -100.96%. The current Effective Interest Rate on Debt % is -100.96%. 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 Tonner Drones (XPAR:ALTD), the current Effective Interest Rate on Debt % is -100.96% as of Dec. 2025. 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.

Tonner Drones Business Description

Other Exchanges 1DD:Germany
Address 12 Rue Ampere, Cemoi – Batiment A, Grenoble, FRA, 38000
Tonner Drones SA is engaged in the developing and marketing of security and surveillance solutions intended for the military field as well as private and public security: the ISS SPOTTER Wired captive surveillance drone, the automatic drone for surveillance of sensitive sites ISS SPOTTER Automatic or even trailers SPOTTER BOT mobile video security systems.