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Jastrzebska Spolka WeglowaWAR:JSW +0.22%67 Shiller PE Ratio is 14.96 as of Aug. 28, 2026, which is 61% above its 10-year median of 9.30. GuruFocus rates WAR:JSW with a GF Score™ of 67/100 and a GF Value™ of zł21.99 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 78 Other Energy Sources companies, Jastrzebska Spolka Weglowa ranks worse than 53.85% on this metric.
The historical rank and industry rank for Jastrzebska Spolka Weglowa's Shiller PE Ratio or its related term are showing as below:
WAR:JSW'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 2.96 Med: 9.3 Max: 59.24
Current: 13.88
During the past years, Jastrzebska Spolka Weglowa's highest Shiller PE Ratio was 59.24. The lowest was 2.96. And the median was 9.30.
WAR:JSW's Shiller PE Ratio is ranked worse than 53.85% of 78
companies
in the Other Energy Sources industry
Industry Median: 12.12
vs WAR:JSW: 13.88
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.
Jastrzebska Spolka Weglowa's adjusted earnings per share data for the three months ended in Mar. 2026 was zł-5.210. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is zł2.13 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Jastrzebska Spolka Weglowa (WAR:JSW) 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.
Jastrzebska Spolka Weglowa Shiller PE Ratio Related Terms
Jastrzebska Spolka Weglowa 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.
Jastrzebska Spolka Weglowa Shiller PE Ratio Competitor Comparison
For the Thermal Coal subindustry, Jastrzebska Spolka Weglowa'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.
Jastrzebska Spolka Weglowa Shiller PE Ratio vs Other Energy Sources Industry
For the Other Energy Sources industry and Energy sector, Jastrzebska Spolka Weglowa's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Jastrzebska Spolka Weglowa's Shiller PE Ratio falls into.
Jastrzebska Spolka Weglowa 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.
Jastrzebska Spolka Weglowa (WAR:JSW) has a Shiller PE Ratio of 14.96 as of Aug. 28, 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 Jastrzebska Spolka Weglowa and its competitors. This is 61% above median its historical median of 9.30. Over the past decade, Jastrzebska Spolka Weglowa's Shiller PE Ratio has ranged from 2.96 to 59.24. According to the industry distribution chart, Jastrzebska Spolka Weglowa ranks #42 out of 78 companies in the Other Energy Sources industry, placing it in the top 53.8%.
Is Jastrzebska Spolka Weglowa's Shiller PE Ratio too high?
Jastrzebska Spolka Weglowa's current Shiller PE Ratio of 14.96 is 61% above median its 10-year median of 9.30. Over the past 10 years, this metric has ranged from a low of 2.96 to a high of 59.24. The Other Energy Sources industry median Shiller PE Ratio is 12.12. Jastrzebska Spolka Weglowa's value of 14.96 is 23.4% above this industry median. Based on the distribution chart, Jastrzebska Spolka Weglowa ranks #42 out of 78 companies in the Other Energy Sources industry, which is below the industry midpoint. Overall, Jastrzebska Spolka Weglowa has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Jastrzebska Spolka Weglowa's Shiller PE Ratio compare to competitors?
According to the Other Energy Sources industry distribution chart, Jastrzebska Spolka Weglowa ranks #42 out of 78 companies for Shiller PE Ratio. This places Jastrzebska Spolka Weglowa in the lower half of its industry. The industry median Shiller PE Ratio is 12.12. Jastrzebska Spolka Weglowa's value of 14.96 is 23.4% above this benchmark. Historically, Jastrzebska Spolka Weglowa's own Shiller PE Ratio has ranged from 2.96 to 59.24 over the past decade. While the company's 10-year median is 9.30 vs. the industry median of 12.12, Jastrzebska Spolka Weglowa 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 Other Energy Sources company?
The median Shiller PE Ratio among Other Energy Sources companies is 12.12, based on 78 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. Jastrzebska Spolka Weglowa's current Shiller PE Ratio of 14.96 is 23.4% 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 Jastrzebska Spolka Weglowa and its competitors. For the Other Energy Sources industry, the median Shiller PE Ratio is 12.12 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Jastrzebska Spolka Weglowa's current Shiller PE Ratio is 14.96, which is 61% above median its own 10-year median of 9.30. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Jastrzebska Spolka Weglowa stock overvalued right now?
Based on GuruFocus' analysis, Jastrzebska Spolka Weglowa (WAR:JSW) is currently considered Significantly Overvalued. The stock's GF Value™ is zł21.99, compared to a current price of zł31.87 — trading 44.9% above its estimated fair value. The current Shiller PE Ratio is 14.96, which is 61% above median its 10-year median of 9.30 and 23.4% above the Other Energy Sources industry median of 12.12. Jastrzebska Spolka Weglowa's overall GF Score™ is 67/100 with 7 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 Jastrzebska Spolka Weglowa (WAR:JSW), the current Shiller PE Ratio is 14.96 as of Aug. 28, 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 Jastrzebska Spolka Weglowa (WAR:JSW) Overvalued in 2026?
Based on GuruFocus' analysis, Jastrzebska Spolka Weglowa stock appears to be overvalued.
The current stock price of zł31.87 is trading 44.9% above its estimated GF Value™ of zł21.99.
GuruFocus considers Jastrzebska Spolka Weglowa to be Significantly Overvalued.
Key valuation signals for WAR:JSW:
Shiller PE Ratio: 14.96 (61% above median its 10-year median of 9.30)
GF Value™: zł21.99 vs. price of zł31.87 (44.9% above fair value)
Industry Position: 23.4% above the Other Energy Sources median (#42 of 78)
No single metric tells the full story. See the WAR:JSW stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Jastrzebska Spolka Weglowa SA is a coal producer based in Poland and one of the European Union's producers. The company predominantly produces hard coking coal which is an essential component in the production of steel, and in its coking plants, the company processes approximately half of the coking coal it produces. Additionally, the company is engaged in natural gas mining and generation, transmission and distribution of electricity. The company's products are sold domestically as well as to Germany, Austria, the Czech Republic, Slovakia, Romania and Hungary.
67GF Score
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