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Sai Gon Water InfrastructureHSTC:SII 80 Shiller PE Ratio is 19.62 as of Sep. 03, 2026, which is 27% below its 10-year median of 26.77. GuruFocus rates HSTC:SII with a GF Score™ of 80/100 and a GF Value™ of ₫19,239.20 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 1,036 Construction companies, Sai Gon Water Infrastructure ranks worse than 56.56% on this metric.
The historical rank and industry rank for Sai Gon Water Infrastructure's Shiller PE Ratio or its related term are showing as below:
HSTC:SII'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 12.34 Med: 26.77 Max: 305.32
Current: 19.62
During the past years, Sai Gon Water Infrastructure's highest Shiller PE Ratio was 305.32. The lowest was 12.34. And the median was 26.77.
HSTC:SII's Shiller PE Ratio is ranked worse than 56.56% of 1036
companies
in the Construction industry
Industry Median: 16.98
vs HSTC:SII: 19.62
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.
Sai Gon Water Infrastructure's adjusted earnings per share data for the three months ended in Jun. 2026 was ₫-126.000. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is ₫830.61 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Sai Gon Water Infrastructure (HSTC:SII) 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.
Sai Gon Water Infrastructure Shiller PE Ratio Related Terms
Sai Gon Water Infrastructure Shiller PE Ratio Historical Data
* 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.
Sai Gon Water Infrastructure Shiller PE Ratio Chart
HSTC:SII vs PWR, FIX, EME: Shiller PE Ratio Comparison
For the Engineering & Construction subindustry, Sai Gon Water Infrastructure'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.
Sai Gon Water Infrastructure Shiller PE Ratio vs Construction Industry
For the Construction industry and Industrials sector, Sai Gon Water Infrastructure's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Sai Gon Water Infrastructure's Shiller PE Ratio falls into.
Sai Gon Water Infrastructure Shiller PE Ratio Calculation
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.
Sai Gon Water Infrastructure (HSTC:SII) has a Shiller PE Ratio of 19.62 as of Sep. 03, 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 Sai Gon Water Infrastructure and its competitors. This is 27% below median its historical median of 26.77. Over the past decade, Sai Gon Water Infrastructure's Shiller PE Ratio has ranged from 12.34 to 305.32. According to the industry distribution chart, Sai Gon Water Infrastructure ranks #586 out of 1036 companies in the Construction industry, placing it in the top 56.6%.
Is Sai Gon Water Infrastructure's Shiller PE Ratio too high?
Sai Gon Water Infrastructure's current Shiller PE Ratio of 19.62 is 27% below median its 10-year median of 26.77. Over the past 10 years, this metric has ranged from a low of 12.34 to a high of 305.32. The Construction industry median Shiller PE Ratio is 16.98. Sai Gon Water Infrastructure's value of 19.62 is 15.5% above this industry median. Based on the distribution chart, Sai Gon Water Infrastructure ranks #586 out of 1036 companies in the Construction industry, which is below the industry midpoint. Overall, Sai Gon Water Infrastructure has a GF Score™ of 80/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Sai Gon Water Infrastructure's Shiller PE Ratio compare to PWR and FIX?
According to the Construction industry distribution chart, Sai Gon Water Infrastructure ranks #586 out of 1036 companies for Shiller PE Ratio. This places Sai Gon Water Infrastructure in the lower half of its industry. The industry median Shiller PE Ratio is 16.98. Sai Gon Water Infrastructure's value of 19.62 is 15.5% above this benchmark. Historically, Sai Gon Water Infrastructure's own Shiller PE Ratio has ranged from 12.34 to 305.32 over the past decade. While the company's 10-year median is 26.77 vs. the industry median of 16.98, Sai Gon Water Infrastructure 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 Construction company?
The median Shiller PE Ratio among Construction companies is 16.98, based on 1,036 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. Sai Gon Water Infrastructure's current Shiller PE Ratio of 19.62 is 15.5% 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 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 Sai Gon Water Infrastructure and its competitors. For the Construction industry, the median Shiller PE Ratio is 16.98 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sai Gon Water Infrastructure's current Shiller PE Ratio is 19.62, which is 27% below median its own 10-year median of 26.77. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sai Gon Water Infrastructure stock overvalued right now?
Based on GuruFocus' analysis, Sai Gon Water Infrastructure (HSTC:SII) is currently considered Modestly Undervalued. The stock's GF Value™ is ₫19,239.20, compared to a current price of ₫16,300.00 — trading 15.3% below its estimated fair value. The current Shiller PE Ratio is 19.62, which is 27% below median its 10-year median of 26.77 and 15.5% above the Construction industry median of 16.98. Sai Gon Water Infrastructure's overall GF Score™ is 80/100 with 3 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 Sai Gon Water Infrastructure (HSTC:SII), the current Shiller PE Ratio is 19.62 as of Sep. 03, 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 Sai Gon Water Infrastructure (HSTC:SII) Overvalued in 2026?
Based on GuruFocus' analysis, Sai Gon Water Infrastructure stock appears to be undervalued.
The current stock price of ₫16,300.00 is trading 15.3% below its estimated GF Value™ of ₫19,239.20.
GuruFocus considers Sai Gon Water Infrastructure to be Modestly Undervalued.
Key valuation signals for HSTC:SII:
Shiller PE Ratio: 19.62 (27% below median its 10-year median of 26.77)
GF Value™: ₫19,239.20 vs. price of ₫16,300.00 (15.3% below fair value)
Industry Position: 15.5% above the Construction median (#586 of 1036)
No single metric tells the full story. See the HSTC:SII stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sai Gon Water Infrastructure Corp is a Vietnam-based company engaged in providing solutions for water in water and sewage treatment industry. The company offers water and wastewater management services to municipal entities, businesses, and manufacturers. The main activities of the company include investment, supplying technology solutions, and operation services for water supply and sewage treatment entities.
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