SIA Engineering CoSTU:O3H 84 OCF Margin % is 1.76% as of Mar. 2026, which is 80% below its 10-year median of 8.64. GuruFocus rates STU:O3H with a GF Score™ of 84/100 and a GF Value™ of €2.33 (Fairly Valued). The stock has 4 warning signs investors should review. Among 1,006 Transportation companies, SIA Engineering Co ranks worse than 80.91% on this metric.
The historical rank and industry rank for SIA Engineering Co's OCF Margin % or its related term are showing as below:
STU:O3H'
s OCF Margin % Range Over the Past 10 Years
Min: 1.85 Med: 8.64 Max: 37.43
Current: 1.85
During the past 13 years, the highest OCF Margin % of SIA Engineering Co was 37.43%. The lowest was 1.85%. And the median was 8.64%.
STU:O3H's OCF Margin % is ranked worse than 80.91% of 1006
companies
in the Transportation industry
Industry Median: 12.945
vs STU:O3H: 1.85
SIA Engineering Co OCF Margin % Related Terms
SIA Engineering Co OCF Margin % Historical Data
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The historical data trend for SIA Engineering Co's OCF 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.
For the Airports & Air Services subindustry, SIA Engineering Co's OCF Margin %, along with its competitors' market caps and OCF 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.
SIA Engineering Co OCF Margin % vs Transportation Industry
For the Transportation industry and Industrials sector, SIA Engineering Co's OCF Margin % distribution charts can be found below:
* The bar in red indicates where SIA Engineering Co's OCF 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.
SIA Engineering Co (STU:O3H) has a OCF Margin % of 1.76% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on SIA Engineering Co and its competitors. This is 80% below median its historical median of 8.64. Over the past decade, SIA Engineering Co's OCF Margin % has ranged from 1.85 to 37.43. According to the industry distribution chart, SIA Engineering Co ranks #814 out of 1006 companies in the Transportation industry, placing it in the top 80.9%.
Is SIA Engineering Co's OCF Margin % too high?
SIA Engineering Co's current OCF Margin % of 1.76% is 80% below median its 10-year median of 8.64. Over the past 10 years, this metric has ranged from a low of 1.85 to a high of 37.43. The Transportation industry median OCF Margin % is 12.95. SIA Engineering Co's value of 1.76% is 86.4% below this industry median. Based on the distribution chart, SIA Engineering Co ranks #814 out of 1006 companies in the Transportation industry, which is in the bottom quartile relative to peers. Overall, SIA Engineering Co has a GF Score™ of 84/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does SIA Engineering Co's OCF Margin % compare to JOBY and CAAP?
According to the Transportation industry distribution chart, SIA Engineering Co ranks #814 out of 1006 companies for OCF Margin %. This places SIA Engineering Co in the lower half of its industry. The industry median OCF Margin % is 12.95. SIA Engineering Co's value of 1.76% is 86.4% below this benchmark. Historically, SIA Engineering Co's own OCF Margin % has ranged from 1.85 to 37.43 over the past decade. While the company's 10-year median is 8.64 vs. the industry median of 12.95, SIA Engineering Co 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 OCF Margin % for a Transportation company?
The median OCF Margin % among Transportation companies is 12.95, based on 1,006 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SIA Engineering Co's current OCF Margin % of 1.76% is 86.4% 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on SIA Engineering Co and its competitors. For the Transportation industry, the median OCF Margin % is 12.95 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SIA Engineering Co's current OCF Margin % is 1.76%, which is 80% below median its own 10-year median of 8.64. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SIA Engineering Co stock overvalued right now?
Based on GuruFocus' analysis, SIA Engineering Co (STU:O3H) is currently considered Fairly Valued. The stock's GF Value™ is €2.33, compared to a current price of €2.24 — trading 3.9% below its estimated fair value. The current OCF Margin % is 1.76%, which is 80% below median its 10-year median of 8.64 and 86.4% below the Transportation industry median of 12.95. SIA Engineering Co's overall GF Score™ is 84/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For SIA Engineering Co (STU:O3H), the current OCF Margin % is 1.76% 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 SIA Engineering Co (STU:O3H) Overvalued in 2026?
Based on GuruFocus' analysis, SIA Engineering Co stock appears to be undervalued.
The current stock price of €2.24 is trading 3.9% below its estimated GF Value™ of €2.33.
GuruFocus considers SIA Engineering Co to be Fairly Valued.
Key valuation signals for STU:O3H:
OCF Margin %: 1.76% (80% below median its 10-year median of 8.64)
GF Value™: €2.33 vs. price of €2.24 (3.9% below fair value)
Industry Position: 86.4% below the Transportation median (#814 of 1006)
No single metric tells the full story. See the STU:O3H stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
SIA Engineering Co Ltd is engaged in providing airline services. The activities of the company include provision of airframe maintenance, component overhaul services and inventory technical management, the provision of line maintenance and technical ground handling services and investment holdings. The company is organized into two segments: airframe/line maintenance and engine/component. The airframe and line maintenance segment provides airframe maintenance, line maintenance, and inventory technical management; and The engine and component segment provides component overhaul and engine repair and overhaul services. Geographically, the company derives its maximum revenue from East Asia region followed by Europe, West Asia and Africa, Americas, and South West Pacific.
84GF Score
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