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STMicroelectronics NVCHIX:STMMIM 75 Shiller PE Ratio is 25.88 as of Aug. 24, 2026, which is 44% below its 10-year median of 46.30. GuruFocus rates CHIX:STMMIM with a GF Score™ of 75/100 and a GF Value™ of €27.94 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 542 Semiconductors companies, STMicroelectronics NV ranks better than 67.34% on this metric.
The historical rank and industry rank for STMicroelectronics NV's Shiller PE Ratio or its related term are showing as below:
CHIX:STMMIm'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 10.32 Med: 46.3 Max: 303.9
Current: 26.17
During the past years, STMicroelectronics NV's highest Shiller PE Ratio was 303.90. The lowest was 10.32. And the median was 46.30.
CHIX:STMMIm's Shiller PE Ratio is ranked better than 67.34% of 542
companies
in the Semiconductors industry
Industry Median: 39.94
vs CHIX:STMMIm: 26.17
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.
STMicroelectronics NV's adjusted earnings per share data for the three months ended in Jun. 2026 was €-0.200. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is €1.67 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
STMicroelectronics NV (CHIX:STMMIm) 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.
STMicroelectronics NV Shiller PE Ratio Related Terms
STMicroelectronics NV Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for STMicroelectronics NV'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.
CHIX:STMMIM vs NVDA, AVGO, MU: Shiller PE Ratio Comparison
For the Semiconductors subindustry, STMicroelectronics NV'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.
STMicroelectronics NV Shiller PE Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, STMicroelectronics NV's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where STMicroelectronics NV's Shiller PE Ratio falls into.
STMicroelectronics NV 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.
STMicroelectronics NV (CHIX:STMMIM) has a Shiller PE Ratio of 25.88 as of Aug. 24, 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 STMicroelectronics NV and its competitors. This is 44% below median its historical median of 46.30. Over the past decade, STMicroelectronics NV's Shiller PE Ratio has ranged from 10.32 to 303.90. According to the industry distribution chart, STMicroelectronics NV ranks #177 out of 542 companies in the Semiconductors industry, placing it in the top 32.7%.
Is STMicroelectronics NV's Shiller PE Ratio too high?
STMicroelectronics NV's current Shiller PE Ratio of 25.88 is 44% below median its 10-year median of 46.30. Over the past 10 years, this metric has ranged from a low of 10.32 to a high of 303.90. The Semiconductors industry median Shiller PE Ratio is 39.94. STMicroelectronics NV's value of 25.88 is 35.2% below this industry median. Based on the distribution chart, STMicroelectronics NV ranks #177 out of 542 companies in the Semiconductors industry, which is above the industry midpoint. Overall, STMicroelectronics NV has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does STMicroelectronics NV's Shiller PE Ratio compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, STMicroelectronics NV ranks #177 out of 542 companies for Shiller PE Ratio. This puts STMicroelectronics NV in the upper half of its industry. The industry median Shiller PE Ratio is 39.94. STMicroelectronics NV's value of 25.88 is 35.2% below this benchmark. Historically, STMicroelectronics NV's own Shiller PE Ratio has ranged from 10.32 to 303.90 over the past decade. While the company's 10-year median is 46.30 vs. the industry median of 39.94, STMicroelectronics NV 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 a Semiconductors company?
The median Shiller PE Ratio among Semiconductors companies is 39.94, based on 542 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. STMicroelectronics NV's current Shiller PE Ratio of 25.88 is 35.2% 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 STMicroelectronics NV and its competitors. For the Semiconductors industry, the median Shiller PE Ratio is 39.94 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. STMicroelectronics NV's current Shiller PE Ratio is 25.88, which is 44% below median its own 10-year median of 46.30. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is STMicroelectronics NV stock overvalued right now?
Based on GuruFocus' analysis, STMicroelectronics NV (CHIX:STMMIM) is currently considered Significantly Overvalued. The stock's GF Value™ is €27.94, compared to a current price of €43.22 — trading 54.7% above its estimated fair value. The current Shiller PE Ratio is 25.88, which is 44% below median its 10-year median of 46.30 and 35.2% below the Semiconductors industry median of 39.94. STMicroelectronics NV's overall GF Score™ is 75/100 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 STMicroelectronics NV (CHIX:STMMIM), the current Shiller PE Ratio is 25.88 as of Aug. 24, 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 STMicroelectronics NV (CHIX:STMMIM) Overvalued in 2026?
Based on GuruFocus' analysis, STMicroelectronics NV stock appears to be overvalued.
The current stock price of €43.22 is trading 54.7% above its estimated GF Value™ of €27.94.
GuruFocus considers STMicroelectronics NV to be Significantly Overvalued.
Key valuation signals for CHIX:STMMIM:
Shiller PE Ratio: 25.88 (44% below median its 10-year median of 46.30)
GF Value™: €27.94 vs. price of €43.22 (54.7% above fair value)
Industry Position: 35.2% below the Semiconductors median (#177 of 542)
No single metric tells the full story. See the CHIX:STMMIM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
A merger between Italian firm SGS Microelettronica and the nonmilitary business of Thomson Semiconducteurs in France formed STMicroelectronics in 1987. STMicroelectronics is a leader in a variety of semiconductor products, including analog chips, discrete power semiconductors, microcontrollers, and sensors. It is an especially prominent chip supplier to the industrial and automotive industries.
75GF Score
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