Firefly ABOSTO:FIRE -1.80%82 Interest Coverage is 120.31 as of Mar. 2026, which is 58% below its 10-year median of 285.45. GuruFocus rates OSTO:FIRE with a GF Score™ of 82/100 and a GF Value™ of kr189.41 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 1,353 Construction companies, Firefly AB ranks better than 79.31% 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. Firefly AB's
Operating Income
for the
three
months ended in Mar. 2026 was kr11.9 Mil. Firefly AB's Interest Expense for the
three
months ended in Mar. 2026 was kr-0.1 Mil.
Firefly AB's interest coverage for the quarter that ended in Mar. 2026 was 120.31.
The higher the ratio, the stronger the company's financial strength is.
The historical rank and industry rank for Firefly AB's Interest Coverage or its related term are showing as below:
OSTO:FIRE'
s Interest Coverage Range Over the Past 10 Years
Min: 45.28 Med: 285.45 Max: 5719
Current: 45.28
OSTO:FIRE's Interest Coverage is ranked better than 79.31% of 1353
companies
in the Construction industry
Industry Median: 7.81
vs OSTO:FIRE: 45.28
Firefly AB (OSTO:FIRE) 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 .
Firefly AB Interest Coverage Related Terms
Firefly AB Interest Coverage Historical Data
* Premium members only.
The historical data trend for Firefly AB'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.
OSTO:FIRE vs TT, JCI, CARR: Interest Coverage Comparison
For the Building Products & Equipment subindustry, Firefly AB'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.
Firefly AB Interest Coverage vs Construction Industry
For the Construction industry and Industrials sector, Firefly AB's Interest Coverage distribution charts can be found below:
* The bar in red indicates where Firefly AB's Interest Coverage falls into.
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:
* 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.
Firefly AB (OSTO:FIRE) has a Interest Coverage of 120.31 as of Mar. 2026. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Firefly AB and its competitors. This is 58% below median its historical median of 285.45. Over the past decade, Firefly AB's Interest Coverage has ranged from 45.28 to 5,719.00. According to the industry distribution chart, Firefly AB ranks #280 out of 1353 companies in the Construction industry, placing it in the top 20.7%.
Is Firefly AB's Interest Coverage too high?
Firefly AB's current Interest Coverage of 120.31 is 58% below median its 10-year median of 285.45. Over the past 10 years, this metric has ranged from a low of 45.28 to a high of 5,719.00. The Construction industry median Interest Coverage is 7.81. Firefly AB's value of 120.31 is 1440.5% above this industry median. Based on the distribution chart, Firefly AB ranks #280 out of 1353 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Firefly AB has a GF Score™ of 82/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Firefly AB's Interest Coverage compare to TT and JCI?
According to the Construction industry distribution chart, Firefly AB ranks #280 out of 1353 companies for Interest Coverage. This places Firefly AB in the top 21% of its industry — outperforming the majority of peers. The industry median Interest Coverage is 7.81. Firefly AB's value of 120.31 is 1440.5% above this benchmark. Historically, Firefly AB's own Interest Coverage has ranged from 45.28 to 5,719.00 over the past decade. While the company's 10-year median is 285.45 vs. the industry median of 7.81, Firefly AB has consistently been above 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 Construction company?
The median Interest Coverage among Construction companies is 7.81, based on 1,353 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. Firefly AB's current Interest Coverage of 120.31 is 1440.5% above 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 Firefly AB and its competitors. For the Construction industry, the median Interest Coverage is 7.81 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Firefly AB's current Interest Coverage is 120.31, which is 58% below median its own 10-year median of 285.45. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Firefly AB stock overvalued right now?
Based on GuruFocus' analysis, Firefly AB (OSTO:FIRE) is currently considered Modestly Undervalued. The stock's GF Value™ is kr189.41, compared to a current price of kr164.00 — trading 13.4% below its estimated fair value. The current Interest Coverage is 120.31, which is 58% below median its 10-year median of 285.45 and 1440.5% above the Construction industry median of 7.81. Firefly AB's overall GF Score™ is 82/100 with 2 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 Firefly AB (OSTO:FIRE), the current Interest Coverage is 120.31 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 Firefly AB (OSTO:FIRE) Overvalued in 2026?
Based on GuruFocus' analysis, Firefly AB stock appears to be undervalued.
The current stock price of kr164.00 is trading 13.4% below its estimated GF Value™ of kr189.41.
GuruFocus considers Firefly AB to be Modestly Undervalued.
Key valuation signals for OSTO:FIRE:
Interest Coverage: 120.31 (58% below median its 10-year median of 285.45)
GF Value™: kr189.41 vs. price of kr164.00 (13.4% below fair value)
Industry Position: 1440.5% above the Construction median (#280 of 1353)
No single metric tells the full story. See the OSTO:FIRE stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Firefly AB is a supplier of spark detection, fire and dust explosion protection systems in Sweden. The company develops, manufactures and sells high-tech systems, which detect and minimise the risk of fires and dust explosions. It has two business areas: Industrial applications and Infra systems. Industrial applications include customized fire prevention systems, which monitor industrial processes in areas such as tissue, food, woodworking, bioenergy, and recycling. The business area of Infra systems includes early fire detection in subway-, train-, road or cable tunnel systems by means of multiple-gas detection.
82GF Score
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