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TTW PCLBKK:TTW-R 85 Shiller PE Ratio is 10.57 as of Jul. 18, 2026, which is 22% below its 10-year median of 13.63. GuruFocus rates BKK:TTW-R with a GF Score™ of 85/100 and a GF Value™ of ฿8.12. The stock has 3 warning signs investors should review. Among 398 Utilities - Regulated companies, TTW PCL ranks better than 71.36% on this metric.
As of today (2026-07-18), TTW PCL's current share price is ฿9.19265. TTW PCL's E10 for the quarter that ended in Mar. 2026 was ฿0.87. TTW PCL's Shiller PE Ratio for today is 10.57.
The historical rank and industry rank for TTW PCL's Shiller PE Ratio or its related term are showing as below:
BKK:TTW-R'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 10 Med: 13.63 Max: 21.32
Current: 11.73
During the past years, TTW PCL's highest Shiller PE Ratio was 21.32. The lowest was 10.00. And the median was 13.63.
BKK:TTW-R's Shiller PE Ratio is ranked better than 71.36% of 398
companies
in the Utilities - Regulated industry
Industry Median: 16.98
vs BKK:TTW-R: 11.73
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.
TTW PCL's adjusted earnings per share data for the three months ended in Mar. 2026 was ฿0.170. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is ฿0.87 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
TTW PCL (BKK:TTW-R) 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.
TTW PCL Shiller PE Ratio Related Terms
TTW PCL Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for TTW PCL'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.
BKK:TTW-R vs AWK, WTRG, AWR: Shiller PE Ratio Comparison
For the Utilities - Regulated Water subindustry, TTW PCL'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.
TTW PCL Shiller PE Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, TTW PCL's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where TTW PCL'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.
TTW PCL's Shiller PE Ratio for today is calculated as
* 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.
TTW PCL's E10 for the quarter that ended in Mar. 2026 is calculated as:
For example, TTW PCL's adjusted earnings per share data for the three months ended in Mar. 2026 was:
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.
TTW PCL (BKK:TTW-R) has a Shiller PE Ratio of 10.57 as of Jul. 18, 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 TTW PCL and its competitors. This is 22% below median its historical median of 13.63. Over the past decade, TTW PCL's Shiller PE Ratio has ranged from 10.00 to 21.32. According to the industry distribution chart, TTW PCL ranks #114 out of 398 companies in the Utilities - Regulated industry, placing it in the top 28.6%.
Is TTW PCL's Shiller PE Ratio too high?
TTW PCL's current Shiller PE Ratio of 10.57 is 22% below median its 10-year median of 13.63. Over the past 10 years, this metric has ranged from a low of 10.00 to a high of 21.32. The Utilities - Regulated industry median Shiller PE Ratio is 16.98. TTW PCL's value of 10.57 is 37.8% below this industry median. Based on the distribution chart, TTW PCL ranks #114 out of 398 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, TTW PCL has a GF Score™ of 85/100, reflecting its overall financial health beyond just this single metric.
How does TTW PCL's Shiller PE Ratio compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, TTW PCL ranks #114 out of 398 companies for Shiller PE Ratio. This puts TTW PCL in the upper half of its industry. The industry median Shiller PE Ratio is 16.98. TTW PCL's value of 10.57 is 37.8% below this benchmark. Historically, TTW PCL's own Shiller PE Ratio has ranged from 10.00 to 21.32 over the past decade. While the company's 10-year median is 13.63 vs. the industry median of 16.98, TTW PCL 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 Shiller PE Ratio for an Utilities - Regulated company?
The median Shiller PE Ratio among Utilities - Regulated companies is 16.98, based on 398 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. TTW PCL's current Shiller PE Ratio of 10.57 is 37.8% 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 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 TTW PCL and its competitors. For the Utilities - Regulated 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. TTW PCL's current Shiller PE Ratio is 10.57, which is 22% below median its own 10-year median of 13.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TTW PCL stock overvalued right now?
TTW PCL (BKK:TTW-R) has a current Shiller PE Ratio of 10.57. The stock's GF Value™ is ฿8.12, compared to a current price of ฿9.19 — trading 13.2% above its estimated fair value. The current Shiller PE Ratio is 10.57, which is 22% below median its 10-year median of 13.63 and 37.8% below the Utilities - Regulated industry median of 16.98. TTW PCL's overall GF Score™ is 85/100 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 TTW PCL (BKK:TTW-R), the current Shiller PE Ratio is 10.57 as of Jul. 18, 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 TTW PCL (BKK:TTW-R) Overvalued in 2026?
Based on GuruFocus' analysis, TTW PCL stock appears to be overvalued.
The current stock price of ฿9.19 is trading 13.2% above its estimated GF Value™ of ฿8.12.
Key valuation signals for BKK:TTW-R:
Shiller PE Ratio: 10.57 (22% below median its 10-year median of 13.63)
GF Value™: ฿8.12 vs. price of ฿9.19 (13.2% above fair value)
Industry Position: 37.8% below the Utilities - Regulated median (#114 of 398)
No single metric tells the full story. See the BKK:TTW-R stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
TTW PCL is a Thailand-based company chiefly engaged in the production and sale of treated water to its customers, the Provincial Waterworks Authority (PWA). The company supplies water to certain southern regions of Thailand that include Nakhon Pathom and Samut Sakhon. The subsidiaries of TTW PLC provide production, sale, operation, and maintenance services. The majority of the group's revenue is derived from sales of treated water to public sector agencies, while the rest is derived from private sector agencies and other sources. Geographically, the group operates only in Thailand.
85GF Score
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