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VistraMIL:1VST -2.06%61 Shiller PE Ratio is 99.88 as of Aug. 31, 2026, which is 57% below its 10-year median of 234.72. GuruFocus rates MIL:1VST with a GF Score™ of 61/100 and a GF Value™ of €154.73 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 205 Utilities - Independent Power Producers companies, Vistra ranks worse than 94.63% on this metric.
As of today (2026-08-31), Vistra's current share price is €117.86. Vistra's E10 for the quarter that ended in Jun. 2026 was €1.18. Vistra's Shiller PE Ratio for today is 99.88.
The historical rank and industry rank for Vistra's Shiller PE Ratio or its related term are showing as below:
MIL:1VST'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 103.98 Med: 234.72 Max: 2524.88
Current: 104.66
During the past years, Vistra's highest Shiller PE Ratio was 2524.88. The lowest was 103.98. And the median was 234.72.
MIL:1VST's Shiller PE Ratio is ranked worse than 94.63% of 205
companies
in the Utilities - Independent Power Producers industry
Industry Median: 15.2
vs MIL:1VST: 104.66
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.
Vistra's adjusted earnings per share data for the three months ended in Jun. 2026 was €0.660. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is €1.18 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
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.
Vistra Shiller PE Ratio Related Terms
Vistra Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Vistra'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.
MIL:1VST vs NRG, TLN, OKLO: Shiller PE Ratio Comparison
For the Utilities - Independent Power Producers subindustry, Vistra'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.
Vistra Shiller PE Ratio vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, Vistra's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Vistra'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.
Vistra'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.
Vistra's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Vistra'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.
Vistra (MIL:1VST) has a Shiller PE Ratio of 99.88 as of Aug. 31, 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 Vistra and its competitors. This is 57% below median its historical median of 234.72. Over the past decade, Vistra's Shiller PE Ratio has ranged from 103.98 to 2,524.88. According to the industry distribution chart, Vistra ranks #194 out of 205 companies in the Utilities - Independent Power Producers industry, placing it in the top 94.6%.
Is Vistra's Shiller PE Ratio too high?
Vistra's current Shiller PE Ratio of 99.88 is 57% below median its 10-year median of 234.72. Over the past 10 years, this metric has ranged from a low of 103.98 to a high of 2,524.88. The Utilities - Independent Power Producers industry median Shiller PE Ratio is 15.20. Vistra's value of 99.88 is 557.1% above this industry median. Based on the distribution chart, Vistra ranks #194 out of 205 companies in the Utilities - Independent Power Producers industry, which is in the bottom quartile relative to peers. Overall, Vistra has a GF Score™ of 61/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Vistra's Shiller PE Ratio compare to NRG and TLN?
According to the Utilities - Independent Power Producers industry distribution chart, Vistra ranks #194 out of 205 companies for Shiller PE Ratio. This places Vistra in the lower half of its industry. The industry median Shiller PE Ratio is 15.20. Vistra's value of 99.88 is 557.1% above this benchmark. Historically, Vistra's own Shiller PE Ratio has ranged from 103.98 to 2,524.88 over the past decade. While the company's 10-year median is 234.72 vs. the industry median of 15.20, Vistra 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 - Independent Power Producers company?
The median Shiller PE Ratio among Utilities - Independent Power Producers companies is 15.20, based on 205 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. Vistra's current Shiller PE Ratio of 99.88 is 557.1% 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 Vistra and its competitors. For the Utilities - Independent Power Producers industry, the median Shiller PE Ratio is 15.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Vistra's current Shiller PE Ratio is 99.88, which is 57% below median its own 10-year median of 234.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Vistra stock overvalued right now?
Based on GuruFocus' analysis, Vistra (MIL:1VST) is currently considered Modestly Undervalued. The stock's GF Value™ is €154.73, compared to a current price of €117.86 — trading 23.8% below its estimated fair value. The current Shiller PE Ratio is 99.88, which is 57% below median its 10-year median of 234.72 and 557.1% above the Utilities - Independent Power Producers industry median of 15.20. Vistra's overall GF Score™ is 61/100 with 5 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 Vistra (MIL:1VST), the current Shiller PE Ratio is 99.88 as of Aug. 31, 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 Vistra (MIL:1VST) Overvalued in 2026?
Based on GuruFocus' analysis, Vistra stock appears to be undervalued.
The current stock price of €117.86 is trading 23.8% below its estimated GF Value™ of €154.73.
GuruFocus considers Vistra to be Modestly Undervalued.
Key valuation signals for MIL:1VST:
Shiller PE Ratio: 99.88 (57% below median its 10-year median of 234.72)
GF Value™: €154.73 vs. price of €117.86 (23.8% below fair value)
Industry Position: 557.1% above the Utilities - Independent Power Producers median (#194 of 205)
No single metric tells the full story. See the MIL:1VST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Vistra Corp. is one of the largest power producers and retail energy providers in the US. It owns 44 gigawatts of generation capacity, including natural gas (27 GW), nuclear (6.5 GW), coal (8.7 GW), and solar and battery storage (1.3 GW). The Cogentrix acquisition will add 5.5 GW of gas generation. Vistra's retail electricity business serves 5 million customers in 20 states, including almost a third of all Texas electricity consumers. Vistra emerged from the Energy Future Holdings bankruptcy as a stand-alone entity in 2016.
61GF Score
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