AHWSF (Athens Water Supply & Sewerage Co) Shiller PE Ratio: 24.55 (As of Sep. 05, 2026) — 18% Above Median

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AHWSF Athens Water Supply & Sewerage Co AHWSF
66 GF Score
Price $8.10
GF Value $4.52
! 9 Warning Signs
View Full Analysis

What is Athens Water Supply & Sewerage Co Shiller PE Ratio?

Athens Water Supply & Sewerage Co AHWSF 66 Shiller PE Ratio is 24.55 as of Sep. 05, 2026, which is 18% above its 10-year median of 20.84. GuruFocus rates AHWSF with a GF Scoreâ„¢ of 66/100 and a GF Valueâ„¢ of $4.52. The stock has 9 warning signs investors should review. Among 395 Utilities - Regulated companies, Athens Water Supply & Sewerage Co ranks worse than 93.16% on this metric.

As of today (2026-09-05), Athens Water Supply & Sewerage Co's current share price is $8.10. Athens Water Supply & Sewerage Co's E10 for the fiscal year that ended in Dec24 was $0.33. Athens Water Supply & Sewerage Co's Shiller PE Ratio for today is 24.55.

The historical rank and industry rank for Athens Water Supply & Sewerage Co's Shiller PE Ratio or its related term are showing as below:

AHWSF' s Shiller PE Ratio Range Over the Past 10 Years
Min: 1.34   Med: 20.84   Max: 52.21
Current: 52.21

During the past 13 years, Athens Water Supply & Sewerage Co's highest Shiller PE Ratio was 52.21. The lowest was 1.34. And the median was 20.84.

AHWSF's Shiller PE Ratio is ranked worse than
93.16% of 395 companies
in the Utilities - Regulated industry
Industry Median: 16.99 vs AHWSF: 52.21

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.

Athens Water Supply & Sewerage Co's adjusted earnings per share data of for the fiscal year that ended in Dec24 was $0.147. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.33 for the trailing ten years ended in Dec24.

Shiller PE for Stocks: The True Measure of Stock Valuation


Athens Water Supply & Sewerage Co  (OTCPK:AHWSF) 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.


Athens Water Supply & Sewerage Co Shiller PE Ratio Related Terms


Athens Water Supply & Sewerage Co Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for Athens Water Supply & Sewerage 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.

Athens Water Supply & Sewerage Co Shiller PE Ratio Chart

Athens Water Supply & Sewerage Co Annual Data
Trend Dec15 Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 21.56 22.99 21.40 22.95 24.65

Athens Water Supply & Sewerage Co Semi-Annual Data
Dec15 Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25
Shiller PE Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 22.95 0.00 24.65 0.00

AHWSF vs AWK, WTRG, AWR: Shiller PE Ratio Comparison

For the Utilities - Regulated Water subindustry, Athens Water Supply & Sewerage 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.


Athens Water Supply & Sewerage Co Shiller PE Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Athens Water Supply & Sewerage Co's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Athens Water Supply & Sewerage Co's Shiller PE Ratio falls into.


AHWSF
66GF Score
Athens Water Supply & Sewerage Co AHWSF
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Athens Water Supply & Sewerage Co 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.

Athens Water Supply & Sewerage Co's Shiller PE Ratio for today is calculated as

Shiller PE Ratio=Share Price/ E10
=8.10/0.33
=24.55

* 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.

Athens Water Supply & Sewerage Co's E10 for the fiscal year that ended in Dec24 is calculated as:

For example, Athens Water Supply & Sewerage Co's adjusted earnings per share data for the fiscal year that ended in Dec24 was:

Adj_EPS=Earnings per Share (Diluted)/CPI of Dec24 (Change)*Current CPI (Dec24)
=0.147/119.3600*119.3600
=0.147

Current CPI (Dec24) = 119.3600.

Athens Water Supply & Sewerage Co Annual Data

Earnings per Share (Diluted) CPI Adj_EPS
201512 0.447 100.087 0.533
201612 0.243 100.110 0.290
201712 0.485 100.762 0.575
201812 0.512 101.330 0.603
201912 0.611 102.120 0.714
202012 -0.754 99.751 -0.902
202112 0.328 104.853 0.373
202212 0.053 112.428 0.056
202312 0.207 116.364 0.212
202412 0.147 119.360 0.147

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.

Frequently Asked Questions Learn more about Shiller PE Ratio →
What does a Shiller PE Ratio of 24.55 mean?
Athens Water Supply & Sewerage Co (AHWSF) has a Shiller PE Ratio of 24.55 as of Sep. 05, 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 Athens Water Supply & Sewerage Co and its competitors. This is 18% above median its historical median of 20.84. Over the past decade, Athens Water Supply & Sewerage Co's Shiller PE Ratio has ranged from 1.34 to 52.21. According to the industry distribution chart, Athens Water Supply & Sewerage Co ranks #368 out of 395 companies in the Utilities - Regulated industry, placing it in the top 93.2%.
Is Athens Water Supply & Sewerage Co's Shiller PE Ratio too high?
Athens Water Supply & Sewerage Co's current Shiller PE Ratio of 24.55 is 18% above median its 10-year median of 20.84. Over the past 10 years, this metric has ranged from a low of 1.34 to a high of 52.21. The Utilities - Regulated industry median Shiller PE Ratio is 16.99. Athens Water Supply & Sewerage Co's value of 24.55 is 44.5% above this industry median. Based on the distribution chart, Athens Water Supply & Sewerage Co ranks #368 out of 395 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Athens Water Supply & Sewerage Co has a GF Scoreâ„¢ of 66/100, reflecting its overall financial health beyond just this single metric.
How does Athens Water Supply & Sewerage Co's Shiller PE Ratio compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, Athens Water Supply & Sewerage Co ranks #368 out of 395 companies for Shiller PE Ratio. This places Athens Water Supply & Sewerage Co in the lower half of its industry. The industry median Shiller PE Ratio is 16.99. Athens Water Supply & Sewerage Co's value of 24.55 is 44.5% above this benchmark. Historically, Athens Water Supply & Sewerage Co's own Shiller PE Ratio has ranged from 1.34 to 52.21 over the past decade. While the company's 10-year median is 20.84 vs. the industry median of 16.99, Athens Water Supply & Sewerage 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 an Utilities - Regulated company?
The median Shiller PE Ratio among Utilities - Regulated companies is 16.99, based on 395 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. Athens Water Supply & Sewerage Co's current Shiller PE Ratio of 24.55 is 44.5% 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 Athens Water Supply & Sewerage Co and its competitors. For the Utilities - Regulated industry, the median Shiller PE Ratio is 16.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Athens Water Supply & Sewerage Co's current Shiller PE Ratio is 24.55, which is 18% above median its own 10-year median of 20.84. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Athens Water Supply & Sewerage Co stock overvalued right now?
Athens Water Supply & Sewerage Co (AHWSF) has a current Shiller PE Ratio of 24.55. The stock's GF Value™ is $4.52, compared to a current price of $8.10 — trading 79.2% above its estimated fair value. The current Shiller PE Ratio is 24.55, which is 18% above median its 10-year median of 20.84 and 44.5% above the Utilities - Regulated industry median of 16.99. Athens Water Supply & Sewerage Co's overall GF Score™ is 66/100 with 9 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 Athens Water Supply & Sewerage Co (AHWSF), the current Shiller PE Ratio is 24.55 as of Sep. 05, 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 Athens Water Supply & Sewerage Co (AHWSF) Overvalued in 2026?

Based on GuruFocus' analysis, Athens Water Supply & Sewerage Co stock appears to be overvalued. The current stock price of $8.10 is trading 79.2% above its estimated GF Value™ of $4.52.

Key valuation signals for AHWSF:

  • Shiller PE Ratio: 24.55 (18% above median its 10-year median of 20.84)
  • GF Value™: $4.52 vs. price of $8.10 (79.2% above fair value)
  • GF Score™: 66/100 with 9 warning signs
  • Industry Position: 44.5% above the Utilities - Regulated median (#368 of 395)

No single metric tells the full story. See the AHWSF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Athens Water Supply & Sewerage Co Business Description

Address 156 Oropou Street, Galatsi, Athens, GRC, 11146
Athens Water Supply & Sewerage Co is a Greek water supply, refinement, and waste management company. The company operates primarily in various municipalities in the Attica region of Southern Greece. Key segments include water supply, sewerage, and wastewater treatment, and energy. The energy segment is involved in power generation through hydropower, natural gas, and solar energy. The company derives the majority of its revenue from commercial and residential consumers. The company also sells to industrial and local authorities.
66GF Score

Get the complete analysis for AHWSF

Shiller PE Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$8.10
Price
$4.52
GF Value