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SIA Engineering CoSEGSF 89 Shiller PE Ratio is 22.45 as of Aug. 27, 2026, which is 72% above its 10-year median of 13.06. GuruFocus rates SEGSF with a GF Score™ of 89/100 and a GF Value™ of $2.69 (Fairly Valued). The stock has 4 warning signs investors should review. Among 599 Transportation companies, SIA Engineering Co ranks worse than 57.93% on this metric.
The historical rank and industry rank for SIA Engineering Co's Shiller PE Ratio or its related term are showing as below:
SEGSF'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 7.13 Med: 13.06 Max: 24.87
Current: 20.46
During the past 13 years, SIA Engineering Co's highest Shiller PE Ratio was 24.87. The lowest was 7.13. And the median was 13.06.
SEGSF's Shiller PE Ratio is ranked worse than 57.93% of 599
companies
in the Transportation industry
Industry Median: 18.25
vs SEGSF: 20.46
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
SIA Engineering Co's adjusted earnings per share data of for the fiscal year that ended in Mar26 was $0.117. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.12 for the trailing ten years ended in Mar26.
Shiller PE for Stocks: The True Measure of Stock Valuation
SIA Engineering Co (OTCPK:SEGSF) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
SIA Engineering Co Shiller PE Ratio Related Terms
SIA Engineering Co Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for SIA Engineering Co's Shiller PE Ratio 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 Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio 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 Shiller PE Ratio vs Transportation Industry
For the Transportation industry and Industrials sector, SIA Engineering Co's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where SIA Engineering Co's Shiller PE Ratio falls into.
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
* 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.
Add all the adjusted EPS together and divide 10 will get our E10.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
SIA Engineering Co (SEGSF) has a Shiller PE Ratio of 22.45 as of Aug. 27, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on SIA Engineering Co and its competitors. This is 72% above median its historical median of 13.06. Over the past decade, SIA Engineering Co's Shiller PE Ratio has ranged from 7.13 to 24.87. According to the industry distribution chart, SIA Engineering Co ranks #347 out of 599 companies in the Transportation industry, placing it in the top 57.9%.
Is SIA Engineering Co's Shiller PE Ratio too high?
SIA Engineering Co's current Shiller PE Ratio of 22.45 is 72% above median its 10-year median of 13.06. Over the past 10 years, this metric has ranged from a low of 7.13 to a high of 24.87. The Transportation industry median Shiller PE Ratio is 18.25. SIA Engineering Co's value of 22.45 is 23% above this industry median. Based on the distribution chart, SIA Engineering Co ranks #347 out of 599 companies in the Transportation industry, which is below the industry midpoint. Overall, SIA Engineering Co has a GF Score™ of 89/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does SIA Engineering Co's Shiller PE Ratio compare to JOBY and CAAP?
According to the Transportation industry distribution chart, SIA Engineering Co ranks #347 out of 599 companies for Shiller PE Ratio. This places SIA Engineering Co in the lower half of its industry. The industry median Shiller PE Ratio is 18.25. SIA Engineering Co's value of 22.45 is 23% above this benchmark. Historically, SIA Engineering Co's own Shiller PE Ratio has ranged from 7.13 to 24.87 over the past decade. While the company's 10-year median is 13.06 vs. the industry median of 18.25, SIA Engineering Co 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 Shiller PE Ratio for a Transportation company?
The median Shiller PE Ratio among Transportation companies is 18.25, based on 599 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SIA Engineering Co's current Shiller PE Ratio of 22.45 is 23% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on SIA Engineering Co and its competitors. For the Transportation industry, the median Shiller PE Ratio is 18.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SIA Engineering Co's current Shiller PE Ratio is 22.45, which is 72% above median its own 10-year median of 13.06. 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 (SEGSF) is currently considered Fairly Valued. The stock's GF Value™ is $2.69, compared to a current price of $2.69 — trading 0.2% above its estimated fair value. The current Shiller PE Ratio is 22.45, which is 72% above median its 10-year median of 13.06 and 23% above the Transportation industry median of 18.25. SIA Engineering Co's overall GF Score™ is 89/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For SIA Engineering Co (SEGSF), the current Shiller PE Ratio is 22.45 as of Aug. 27, 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 (SEGSF) Overvalued in 2026?
Based on GuruFocus' analysis, SIA Engineering Co stock appears to be overvalued.
The current stock price of $2.69 is trading 0.2% above its estimated GF Value™ of $2.69.
GuruFocus considers SIA Engineering Co to be Fairly Valued.
Key valuation signals for SEGSF:
Shiller PE Ratio: 22.45 (72% above median its 10-year median of 13.06)
GF Value™: $2.69 vs. price of $2.69 (0.2% above fair value)
Industry Position: 23% above the Transportation median (#347 of 599)
No single metric tells the full story. See the SEGSF 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.
89GF Score
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