Lumibird (HAM:QTL) Interest Coverage: 5.89 (As of Dec. 2025) — 26% Below Median


HAM:QTL Lumibird HAM:QTL
65 GF Score
Price €23.25
GF Value €16.31
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Lumibird Interest Coverage?

Lumibird HAM:QTL -3.93% 65 Interest Coverage is 5.89 as of Dec. 2025, which is 26% below its 10-year median of 7.99. GuruFocus rates HAM:QTL with a GF Score™ of 65/100 and a GF Value™ of €16.31 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 95 Medical Diagnostics & Research companies, Lumibird ranks worse than 71.58% on this metric.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income by its Interest Expense. Lumibird's Operating Income for the six months ended in Dec. 2025 was €16.1 Mil. Lumibird's Interest Expense for the six months ended in Dec. 2025 was €-2.7 Mil. Lumibird's interest coverage for the quarter that ended in Dec. 2025 was 5.89. The higher the ratio, the stronger the company's financial strength is.

The historical rank and industry rank for Lumibird's Interest Coverage or its related term are showing as below:

HAM:QTL' s Interest Coverage Range Over the Past 10 Years
Min: 2.38   Med: 7.99   Max: 35.24
Current: 4.49


HAM:QTL's Interest Coverage is ranked worse than
71.58% of 95 companies
in the Medical Diagnostics & Research industry
Industry Median: 9.05 vs HAM:QTL: 4.49

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.


Lumibird  (HAM:QTL) Interest Coverage Explanation

Ben Graham requires that a company has a minimum interest coverage of 5 with the companies he invested. If the interest coverage is less than 2, the company is burdened by debt. Any business slow or recession may drag the company into a situation where it cannot pay the interest on its debt.

Interest Coverage is an important factor when GuruFocus ranks a company's overage Financial Strength .


Lumibird Interest Coverage Related Terms


Lumibird Interest Coverage Historical Data

* Premium members only.

The historical data trend for Lumibird's Interest Coverage 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.

Note: For Interest Coverage, "No debt" indicates no long-term debt. An indication of "No Debt" does not necessarily mean that the company has no long-term debt obligations; it could be due to missing data in the quarterly or annual report. Use caution when interpreting this information.

Lumibird Interest Coverage Chart

Lumibird Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Coverage
Get a 7-Day Free Trial Premium Member Only Premium Member Only 8.67 4.88 4.39 2.38 4.49

Lumibird Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Interest Coverage 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 5.00 0.58 3.80 3.21 5.89

HAM:QTL vs TMO, DHR, IDXX: Interest Coverage Comparison

For the Diagnostics & Research subindustry, Lumibird's Interest Coverage, along with its competitors' market caps and Interest Coverage 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.


Lumibird Interest Coverage vs Medical Diagnostics & Research Industry

For the Medical Diagnostics & Research industry and Healthcare sector, Lumibird's Interest Coverage distribution charts can be found below:

* The bar in red indicates where Lumibird's Interest Coverage falls into.


HAM:QTL
65GF Score
Lumibird HAM:QTL
Interest Coverage is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Lumibird Interest Coverage Calculation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense:

If Interest Expense is negative and Operating Income is positive, then

Interest Coverage=-1* Operating Income /Interest Expense

Else if Interest Expense is negative and Operating Income is negative, then

The company did not have earnings to cover the interest expense.

Else if Interest Expense is 0 and Long-Term Debt & Capital Lease Obligation is 0, then

The company had no debt (1).


Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Lumibird's Interest Coverage for the fiscal year that ended in Dec. 2025 is calculated as

Here, for the fiscal year that ended in Dec. 2025, Lumibird's Interest Expense was €-5.7 Mil. Its Operating Income was €25.6 Mil. And its Long-Term Debt & Capital Lease Obligation was €124.4 Mil.

Interest Coverage=-1* Operating Income (A: Dec. 2025 )/Interest Expense (A: Dec. 2025 )
=-1*25.647/-5.716
=4.49

Lumibird's Interest Coverage for the quarter that ended in Dec. 2025 is calculated as

Here, for the six months ended in Dec. 2025, Lumibird's Interest Expense was €-2.7 Mil. Its Operating Income was €16.1 Mil. And its Long-Term Debt & Capital Lease Obligation was €124.4 Mil.

Interest Coverage=-1* Operating Income (Q: Dec. 2025 )/Interest Expense (Q: Dec. 2025 )
=-1*16.061/-2.728
=5.89

* 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.

The higher the ratio, the stronger the company's Financial Strength is.

Frequently Asked Questions Learn more about Interest Coverage →
What does a Interest Coverage of 5.89 mean?
Lumibird (HAM:QTL) has a Interest Coverage of 5.89 as of Dec. 2025. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Lumibird and its competitors. This is 26% below median its historical median of 7.99. Over the past decade, Lumibird's Interest Coverage has ranged from 2.38 to 35.24. According to the industry distribution chart, Lumibird ranks #68 out of 95 companies in the Medical Diagnostics & Research industry, placing it in the top 71.6%.
Is Lumibird's Interest Coverage too high?
Lumibird's current Interest Coverage of 5.89 is 26% below median its 10-year median of 7.99. Over the past 10 years, this metric has ranged from a low of 2.38 to a high of 35.24. The Medical Diagnostics & Research industry median Interest Coverage is 9.05. Lumibird's value of 5.89 is 34.9% below this industry median. Based on the distribution chart, Lumibird ranks #68 out of 95 companies in the Medical Diagnostics & Research industry, which is below the industry midpoint. Overall, Lumibird has a GF Score™ of 65/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Lumibird's Interest Coverage compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Lumibird ranks #68 out of 95 companies for Interest Coverage. This places Lumibird in the lower half of its industry. The industry median Interest Coverage is 9.05. Lumibird's value of 5.89 is 34.9% below this benchmark. Historically, Lumibird's own Interest Coverage has ranged from 2.38 to 35.24 over the past decade. While the company's 10-year median is 7.99 vs. the industry median of 9.05, Lumibird has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Coverage for a Medical Diagnostics & Research company?
The median Interest Coverage among Medical Diagnostics & Research companies is 9.05, based on 95 companies in the industry. Companies in the top quartile (top 25%) have a Interest Coverage significantly above this median, while those in the bottom quartile fall well below. However, Interest Coverage should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Lumibird's current Interest Coverage of 5.89 is 34.9% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Interest Coverage mean?
A high Interest Coverage can signal that a stock is expensive relative to its fundamentals. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Lumibird and its competitors. For the Medical Diagnostics & Research industry, the median Interest Coverage is 9.05 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Lumibird's current Interest Coverage is 5.89, which is 26% below median its own 10-year median of 7.99. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lumibird stock overvalued right now?
Based on GuruFocus' analysis, Lumibird (HAM:QTL) is currently considered Significantly Overvalued. The stock's GF Value™ is €16.31, compared to a current price of €23.25 — trading 42.6% above its estimated fair value. The current Interest Coverage is 5.89, which is 26% below median its 10-year median of 7.99 and 34.9% below the Medical Diagnostics & Research industry median of 9.05. Lumibird's overall GF Score™ is 65/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Coverage calculated?
Interest Coverage is calculated from a company's financial statements. For Lumibird (HAM:QTL), the current Interest Coverage is 5.89 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.

Is Lumibird (HAM:QTL) Overvalued in 2026?

Based on GuruFocus' analysis, Lumibird stock appears to be overvalued. The current stock price of €23.25 is trading 42.6% above its estimated GF Value™ of €16.31. GuruFocus considers Lumibird to be Significantly Overvalued.

Key valuation signals for HAM:QTL:

  • Interest Coverage: 5.89 (26% below median its 10-year median of 7.99)
  • GF Value™: €16.31 vs. price of €23.25 (42.6% above fair value)
  • GF Score™: 65/100 with 5 warning signs
  • Industry Position: 34.9% below the Medical Diagnostics & Research median (#68 of 95)

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


Lumibird Business Description

Address 2 rue du Paul Sabatier, Lannion, FRA, 22300
Lumibird, formerly Quantel SA is an enterprise engaged in the designing, manufacturing, and sale of scientific laser solutions. Scientific and industrial applications lasers used by research laboratories in the study of material, cleaning lasers, marking, measurement, and others. whereas, Medical applications include specialized lasers for ophthalmology, dermatology, and esthetics. The company generates a majority of its revenue from the scientific and industrial applications.
65GF Score

Get the complete analysis for HAM:QTL

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

€23.25
Price
€16.31
GF Value