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Firefly ABOSTO:FIRE -0.93%81 Gross Margin % is 38.92% as of Mar. 2026, which is 7% above its 10-year median of 36.52. GuruFocus rates OSTO:FIRE with a GF Score™ of 81/100 and a GF Value™ of kr189.60 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 1,722 Construction companies, Firefly AB ranks better than 82.69% on this metric.
Gross Margin % is calculated as gross profit divided by its revenue. Firefly AB's Gross Profit for the
three
months ended in Mar. 2026 was kr43.7 Mil. Firefly AB's Revenue for the
three
months ended in Mar. 2026 was kr112.2 Mil. Therefore, Firefly AB's Gross Margin % for the quarter that ended in Mar. 2026 was 38.92%.
The historical rank and industry rank for Firefly AB's Gross Margin % or its related term are showing as below:
OSTO:FIRE'
s Gross Margin % Range Over the Past 10 Years
Min: 31.97 Med: 36.52 Max: 41.19
Current: 39.91
During the past 13 years, the highestGross Margin % of Firefly AB was 41.19%. The lowest was 31.97%. And the median was 36.52%.
OSTO:FIRE's Gross Margin % is ranked better than 82.69% of 1722
companies
in the Construction industry
Industry Median: 20.715
vs OSTO:FIRE: 39.91
Firefly AB had a gross margin of 38.92% for the quarter that ended in Mar. 2026 => Competition eroding margins
The 5-Year average Growth Rate of Gross Margin for Firefly AB was 2.30% per year.
Firefly AB (OSTO:FIRE) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Firefly AB had a gross margin of 38.92% for the quarter that ended in Mar. 2026 => Competition eroding margins
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Firefly AB Gross Margin % Related Terms
Firefly AB Gross Margin % Historical Data
* Premium members only.
The historical data trend for Firefly AB's Gross 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.
OSTO:FIRE vs TT, JCI, CARR: Gross Margin % Comparison
For the Building Products & Equipment subindustry, Firefly AB's Gross Margin %, along with its competitors' market caps and Gross 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.
Firefly AB Gross Margin % vs Construction Industry
For the Construction industry and Industrials sector, Firefly AB's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Firefly AB's Gross Margin % falls into.
* 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Firefly AB (OSTO:FIRE) has a Gross Margin % of 38.92% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Firefly AB and its competitors. This is near median its historical median of 36.52. Over the past decade, Firefly AB's Gross Margin % has ranged from 31.97 to 41.19. According to the industry distribution chart, Firefly AB ranks #298 out of 1722 companies in the Construction industry, placing it in the top 17.3%.
Is Firefly AB's Gross Margin % too high?
Firefly AB's current Gross Margin % of 38.92% is near median its 10-year median of 36.52. Over the past 10 years, this metric has ranged from a low of 31.97 to a high of 41.19. The Construction industry median Gross Margin % is 20.72. Firefly AB's value of 38.92% is 87.9% above this industry median. Based on the distribution chart, Firefly AB ranks #298 out of 1722 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 81/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Firefly AB's Gross Margin % compare to TT and JCI?
According to the Construction industry distribution chart, Firefly AB ranks #298 out of 1722 companies for Gross Margin %. This places Firefly AB in the top 17% of its industry — outperforming the majority of peers. The industry median Gross Margin % is 20.72. Firefly AB's value of 38.92% is 87.9% above this benchmark. Historically, Firefly AB's own Gross Margin % has ranged from 31.97 to 41.19 over the past decade. While the company's 10-year median is 36.52 vs. the industry median of 20.72, 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 Gross Margin % for a Construction company?
The median Gross Margin % among Construction companies is 20.72, based on 1,722 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Firefly AB's current Gross Margin % of 38.92% is 87.9% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Firefly AB and its competitors. For the Construction industry, the median Gross Margin % is 20.72 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Firefly AB's current Gross Margin % is 38.92%, which is near median its own 10-year median of 36.52. 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 kr189.60, compared to a current price of kr159.00 — trading 16.1% below its estimated fair value. The current Gross Margin % is 38.92%, which is near median its 10-year median of 36.52 and 87.9% above the Construction industry median of 20.72. Firefly AB's overall GF Score™ is 81/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Firefly AB (OSTO:FIRE), the current Gross Margin % is 38.92% 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 kr159.00 is trading 16.1% below its estimated GF Value™ of kr189.60.
GuruFocus considers Firefly AB to be Modestly Undervalued.
Key valuation signals for OSTO:FIRE:
Gross Margin %: 38.92% (near median its 10-year median of 36.52)
GF Value™: kr189.60 vs. price of kr159.00 (16.1% below fair value)
Industry Position: 87.9% above the Construction median (#298 of 1722)
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.
81GF Score
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