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The historical rank and industry rank for ProMOS Technologies's Shiller PE Ratio or its related term are showing as below:
LUX:PROTFPC's Shiller PE Ratio is not ranked *
in the Semiconductors industry.
Industry Median: 40.06 * Ranked among companies with meaningful Shiller PE Ratio only.
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.
ProMOS Technologies's adjusted earnings per share data of for the fiscal year that ended in Dec25 was $-0.727. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $51.57 for the trailing ten years ended in Dec25.
Shiller PE for Stocks: The True Measure of Stock Valuation
ProMOS Technologies (LUX:PROTFPC) 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.
ProMOS Technologies Shiller PE Ratio Related Terms
ProMOS Technologies Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for ProMOS Technologies'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.
LUX:PROTFPC vs LEDS, NLST: Shiller PE Ratio Comparison
For the Semiconductors subindustry, ProMOS Technologies'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.
ProMOS Technologies Shiller PE Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, ProMOS Technologies's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where ProMOS Technologies'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.
* 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.
ProMOS Technologies (LUX:PROTFPC) has a Shiller PE Ratio of 0.00 as of Aug. 23, 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 ProMOS Technologies and its competitors.
Is ProMOS Technologies' Shiller PE Ratio too high?
ProMOS Technologies' current Shiller PE Ratio is 0.00. Overall, ProMOS Technologies has a GF Score™ of 36/100, reflecting its overall financial health beyond just this single metric.
How does ProMOS Technologies' Shiller PE Ratio compare to LEDS and NLST?
ProMOS Technologies' Shiller PE Ratio of 0.00 can be compared against companies in the Semiconductors industry. The industry median Shiller PE Ratio is 40.06. 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 40.06, based on 543 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. 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 ProMOS Technologies and its competitors. For the Semiconductors industry, the median Shiller PE Ratio is 40.06 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ProMOS Technologies's current Shiller PE Ratio is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ProMOS Technologies stock overvalued right now?
ProMOS Technologies (LUX:PROTFPC) has a current Shiller PE Ratio of 0.00. The current Shiller PE Ratio is 0.00. ProMOS Technologies' overall GF Score™ is 36/100 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 ProMOS Technologies (LUX:PROTFPC), the current Shiller PE Ratio is 0.00 as of Aug. 23, 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.
ProMOS Technologies Ltd manufactures products and components pertaining to the semiconductor memory. It mainly manufactures Dynamic Random Access Memory (DRAM) and products related to the same. The company offers DDR3 SDRAM, DDR2 SDRAM, DDR SDRAM, SDRAM, mobile memory, and KGD products. It also creates simulation modules and data sheets. Geographically the activities are carried out through the region of Taiwan.
36GF Score
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