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Manila Water CoPHS:MWC -2.16%79 Shiller PE Ratio is 11.02 as of Aug. 12, 2026, which is 17% above its 10-year median of 9.45. GuruFocus rates PHS:MWC with a GF Score™ of 79/100 and a GF Value™ of ₱36.49 (Fairly Valued). The stock has 4 warning signs investors should review. Among 396 Utilities - Regulated companies, Manila Water Co ranks better than 72.73% on this metric.
As of today (2026-08-12), Manila Water Co's current share price is ₱33.95. Manila Water Co's E10 for the quarter that ended in Jun. 2026 was ₱3.08. Manila Water Co's Shiller PE Ratio for today is 11.02.
The historical rank and industry rank for Manila Water Co's Shiller PE Ratio or its related term are showing as below:
PHS:MWC'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 3.11 Med: 9.45 Max: 15.16
Current: 11.26
During the past years, Manila Water Co's highest Shiller PE Ratio was 15.16. The lowest was 3.11. And the median was 9.45.
PHS:MWC's Shiller PE Ratio is ranked better than 72.73% of 396
companies
in the Utilities - Regulated industry
Industry Median: 16.8
vs PHS:MWC: 11.26
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.
Manila Water Co's adjusted earnings per share data for the three months ended in Jun. 2026 was ₱1.370. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is ₱3.08 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Manila Water Co (PHS:MWC) 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.
Manila Water Co Shiller PE Ratio Related Terms
Manila Water Co Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Manila Water 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.
PHS:MWC vs AWK, WTRG, AWR: Shiller PE Ratio Comparison
For the Utilities - Regulated Water subindustry, Manila Water 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.
Manila Water Co Shiller PE Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Manila Water Co's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Manila Water 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.
Manila Water Co'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.
Manila Water Co's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Manila Water Co's adjusted earnings per share data for the three months ended in Jun. 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.
Manila Water Co (PHS:MWC) has a Shiller PE Ratio of 11.02 as of Aug. 12, 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 Manila Water Co and its competitors. This is 17% above median its historical median of 9.45. Over the past decade, Manila Water Co's Shiller PE Ratio has ranged from 3.11 to 15.16. According to the industry distribution chart, Manila Water Co ranks #108 out of 396 companies in the Utilities - Regulated industry, placing it in the top 27.3%.
Is Manila Water Co's Shiller PE Ratio too high?
Manila Water Co's current Shiller PE Ratio of 11.02 is 17% above median its 10-year median of 9.45. Over the past 10 years, this metric has ranged from a low of 3.11 to a high of 15.16. The Utilities - Regulated industry median Shiller PE Ratio is 16.80. Manila Water Co's value of 11.02 is 34.4% below this industry median. Based on the distribution chart, Manila Water Co ranks #108 out of 396 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Manila Water Co has a GF Score™ of 79/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Manila Water Co's Shiller PE Ratio compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, Manila Water Co ranks #108 out of 396 companies for Shiller PE Ratio. This puts Manila Water Co in the upper half of its industry. The industry median Shiller PE Ratio is 16.80. Manila Water Co's value of 11.02 is 34.4% below this benchmark. Historically, Manila Water Co's own Shiller PE Ratio has ranged from 3.11 to 15.16 over the past decade. While the company's 10-year median is 9.45 vs. the industry median of 16.80, Manila Water 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 Shiller PE Ratio for an Utilities - Regulated company?
The median Shiller PE Ratio among Utilities - Regulated companies is 16.80, based on 396 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. Manila Water Co's current Shiller PE Ratio of 11.02 is 34.4% 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 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 Manila Water Co and its competitors. For the Utilities - Regulated industry, the median Shiller PE Ratio is 16.80 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Manila Water Co's current Shiller PE Ratio is 11.02, which is 17% above median its own 10-year median of 9.45. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Manila Water Co stock overvalued right now?
Based on GuruFocus' analysis, Manila Water Co (PHS:MWC) is currently considered Fairly Valued. The stock's GF Value™ is ₱36.49, compared to a current price of ₱33.95 — trading 7% below its estimated fair value. The current Shiller PE Ratio is 11.02, which is 17% above median its 10-year median of 9.45 and 34.4% below the Utilities - Regulated industry median of 16.80. Manila Water Co's overall GF Score™ is 79/100 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 Manila Water Co (PHS:MWC), the current Shiller PE Ratio is 11.02 as of Aug. 12, 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 Manila Water Co (PHS:MWC) Overvalued in 2026?
Based on GuruFocus' analysis, Manila Water Co stock appears to be undervalued.
The current stock price of ₱33.95 is trading 7% below its estimated GF Value™ of ₱36.49.
GuruFocus considers Manila Water Co to be Fairly Valued.
Key valuation signals for PHS:MWC:
Shiller PE Ratio: 11.02 (17% above median its 10-year median of 9.45)
GF Value™: ₱36.49 vs. price of ₱33.95 (7% below fair value)
Industry Position: 34.4% below the Utilities - Regulated median (#108 of 396)
No single metric tells the full story. See the PHS:MWC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Manila Water Co Inc holds the exclusive right to provide water and used water services in the East Zone of Metro Manila under a concession agreement with the Metropolitan Waterworks and Sewerage System. The company delivers water treatment, distribution, sewerage, and sanitation services to a large population across residential, commercial, and industrial customers. Its service area covers several cities and municipalities in Metro Manila and nearby parts of Rizal, including urban centers such as Makati, Pasig, Quezon City, Taguig, and Marikina, along with surrounding towns.
79GF Score
Get the complete analysis for PHS:MWC
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