Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Lumentum HoldingsMEX:LITE +3.19%59 Shiller PE Ratio is 1,220.91 as of Aug. 03, 2026, which is 121% above its 10-year median of 551.92. GuruFocus rates MEX:LITE with a GF Score™ of 59/100 and a GF Value™ of MXN1,739.80 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,418 Hardware companies, Lumentum Holdings ranks worse than 99.29% on this metric.
As of today (2026-08-03), Lumentum Holdings's current share price is MXN12380.00. Lumentum Holdings's E10 for the quarter that ended in Mar. 2026 was MXN10.14. Lumentum Holdings's Shiller PE Ratio for today is 1,220.91.
The historical rank and industry rank for Lumentum Holdings's Shiller PE Ratio or its related term are showing as below:
MEX:LITE'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 37.19 Med: 551.92 Max: 2391.25
Current: 1241.76
During the past years, Lumentum Holdings's highest Shiller PE Ratio was 2391.25. The lowest was 37.19. And the median was 551.92.
MEX:LITE's Shiller PE Ratio is ranked worse than 99.29% of 1418
companies
in the Hardware industry
Industry Median: 28.685
vs MEX:LITE: 1241.76
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.
Lumentum Holdings's adjusted earnings per share data for the three months ended in Mar. 2026 was MXN27.049. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is MXN10.14 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Lumentum Holdings (MEX:LITE) 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.
Lumentum Holdings Shiller PE Ratio Related Terms
Lumentum Holdings Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Lumentum Holdings'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.
MEX:LITE vs HPE, CIEN, MSI: Shiller PE Ratio Comparison
For the Communication Equipment subindustry, Lumentum Holdings'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.
Lumentum Holdings Shiller PE Ratio vs Hardware Industry
For the Hardware industry and Technology sector, Lumentum Holdings's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Lumentum Holdings'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.
Lumentum Holdings's E10 for the quarter that ended in Mar. 2026 is calculated as:
For example, Lumentum Holdings's adjusted earnings per share data for the three months ended in Mar. 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.
Lumentum Holdings (MEX:LITE) has a Shiller PE Ratio of 1,220.91 as of Aug. 03, 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 Lumentum Holdings and its competitors. This is 121% above median its historical median of 551.92. Over the past decade, Lumentum Holdings' Shiller PE Ratio has ranged from 37.19 to 2,391.25. According to the industry distribution chart, Lumentum Holdings ranks #1408 out of 1418 companies in the Hardware industry, placing it in the top 99.3%.
Is Lumentum Holdings' Shiller PE Ratio too high?
Lumentum Holdings' current Shiller PE Ratio of 1,220.91 is 121% above median its 10-year median of 551.92. Over the past 10 years, this metric has ranged from a low of 37.19 to a high of 2,391.25. The Hardware industry median Shiller PE Ratio is 28.69. Lumentum Holdings' value of 1,220.91 is 4156.3% above this industry median. Based on the distribution chart, Lumentum Holdings ranks #1408 out of 1418 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Lumentum Holdings has a GF Score™ of 59/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Lumentum Holdings' Shiller PE Ratio compare to HPE and CIEN?
According to the Hardware industry distribution chart, Lumentum Holdings ranks #1408 out of 1418 companies for Shiller PE Ratio. This places Lumentum Holdings in the lower half of its industry. The industry median Shiller PE Ratio is 28.69. Lumentum Holdings' value of 1,220.91 is 4156.3% above this benchmark. Historically, Lumentum Holdings' own Shiller PE Ratio has ranged from 37.19 to 2,391.25 over the past decade. While the company's 10-year median is 551.92 vs. the industry median of 28.69, Lumentum Holdings 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 a Hardware company?
The median Shiller PE Ratio among Hardware companies is 28.69, based on 1,418 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. Lumentum Holdings's current Shiller PE Ratio of 1,220.91 is 4156.3% 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 Lumentum Holdings and its competitors. For the Hardware industry, the median Shiller PE Ratio is 28.69 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Lumentum Holdings's current Shiller PE Ratio is 1,220.91, which is 121% above median its own 10-year median of 551.92. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lumentum Holdings stock overvalued right now?
Based on GuruFocus' analysis, Lumentum Holdings (MEX:LITE) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN1,739.80, compared to a current price of MXN12,380.00 — trading 611.6% above its estimated fair value. The current Shiller PE Ratio is 1,220.91, which is 121% above median its 10-year median of 551.92 and 4156.3% above the Hardware industry median of 28.69. Lumentum Holdings' overall GF Score™ is 59/100 with 4 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 Lumentum Holdings (MEX:LITE), the current Shiller PE Ratio is 1,220.91 as of Aug. 03, 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 Lumentum Holdings (MEX:LITE) Overvalued in 2026?
Based on GuruFocus' analysis, Lumentum Holdings stock appears to be overvalued.
The current stock price of MXN12,380.00 is trading 611.6% above its estimated GF Value™ of MXN1,739.80.
GuruFocus considers Lumentum Holdings to be Significantly Overvalued.
Key valuation signals for MEX:LITE:
Shiller PE Ratio: 1,220.91 (121% above median its 10-year median of 551.92)
GF Value™: MXN1,739.80 vs. price of MXN12,380.00 (611.6% above fair value)
Industry Position: 4156.3% above the Hardware median (#1408 of 1418)
No single metric tells the full story. See the MEX:LITE stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Lumentum Holdings Inc is a California-based technology firm. The company provides two types of optical and photonic products: optical components that are used in telecommunications networking equipment, and commercial lasers for manufacturing, inspection, and life-science lab uses. Its segments are Optical Communications and Commercial Lasers. The firm is also expanding into new optical applications, such as 3-D sensing laser diode for consumer electronics. It generates maximum revenue from the OpComms segment. The OpComms segment products include a wide range of components, modules, and subsystems to support customers including carrier networks for access (local), metro (intracity), long-haul, and submarine (undersea) applications.
59GF Score
Get the complete analysis for MEX:LITE
Shiller PE Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MEX:LITE has been successfully added to your 
