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Onto InnovationONTO -11.07%91 Shiller PE Ratio is 95.84 as of Sep. 15, 2026, which is 56% above its 10-year median of 61.35. GuruFocus rates ONTO with a GF Score™ of 91/100 and a GF Value™ of $234.28 (Fairly Valued). The stock has 2 warning signs investors should review. Among 550 Semiconductors companies, Onto Innovation ranks worse than 80.18% on this metric.
As of today (2026-09-15), Onto Innovation's current share price is $250.13. Onto Innovation's E10 for the quarter that ended in Jun. 2026 was $2.61. Onto Innovation's Shiller PE Ratio for today is 95.84.
The historical rank and industry rank for Onto Innovation's Shiller PE Ratio or its related term are showing as below:
ONTO'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 22.43 Med: 61.35 Max: 133.5
Current: 95.84
During the past years, Onto Innovation's highest Shiller PE Ratio was 133.50. The lowest was 22.43. And the median was 61.35.
ONTO's Shiller PE Ratio is ranked worse than 80.18% of 550
companies
in the Semiconductors industry
Industry Median: 41.86
vs ONTO: 95.84
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.
Onto Innovation's adjusted earnings per share data for the three months ended in Jun. 2026 was $1.210. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $2.61 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Onto Innovation (NYSE:ONTO) 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.
Onto Innovation Shiller PE Ratio Related Terms
Onto Innovation Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Onto Innovation'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.
ONTO vs AMKR, NVMI, FORM: Shiller PE Ratio Comparison
For the Semiconductor Equipment & Materials subindustry, Onto Innovation'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.
Onto Innovation Shiller PE Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Onto Innovation's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Onto Innovation'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.
Onto Innovation'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.
Onto Innovation's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Onto Innovation'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.
Onto Innovation (ONTO) has a Shiller PE Ratio of 95.84 as of Sep. 15, 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 Onto Innovation and its competitors. This is 56% above median its historical median of 61.35. Over the past decade, Onto Innovation's Shiller PE Ratio has ranged from 22.43 to 133.50. According to the industry distribution chart, Onto Innovation ranks #441 out of 550 companies in the Semiconductors industry, placing it in the top 80.2%.
Is Onto Innovation's Shiller PE Ratio too high?
Onto Innovation's current Shiller PE Ratio of 95.84 is 56% above median its 10-year median of 61.35. Over the past 10 years, this metric has ranged from a low of 22.43 to a high of 133.50. The Semiconductors industry median Shiller PE Ratio is 41.86. Onto Innovation's value of 95.84 is 129% above this industry median. Based on the distribution chart, Onto Innovation ranks #441 out of 550 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Onto Innovation has a GF Score™ of 91/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Onto Innovation's Shiller PE Ratio compare to AMKR and NVMI?
According to the Semiconductors industry distribution chart, Onto Innovation ranks #441 out of 550 companies for Shiller PE Ratio. This places Onto Innovation in the lower half of its industry. The industry median Shiller PE Ratio is 41.86. Onto Innovation's value of 95.84 is 129% above this benchmark. Historically, Onto Innovation's own Shiller PE Ratio has ranged from 22.43 to 133.50 over the past decade. While the company's 10-year median is 61.35 vs. the industry median of 41.86, Onto Innovation 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 Semiconductors company?
The median Shiller PE Ratio among Semiconductors companies is 41.86, based on 550 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. Onto Innovation's current Shiller PE Ratio of 95.84 is 129% 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 Onto Innovation and its competitors. For the Semiconductors industry, the median Shiller PE Ratio is 41.86 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Onto Innovation's current Shiller PE Ratio is 95.84, which is 56% above median its own 10-year median of 61.35. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Onto Innovation stock overvalued right now?
Based on GuruFocus' analysis, Onto Innovation (ONTO) is currently considered Fairly Valued. The stock's GF Value™ is $234.28, compared to a current price of $250.13 — trading 6.8% above its estimated fair value. The current Shiller PE Ratio is 95.84, which is 56% above median its 10-year median of 61.35 and 129% above the Semiconductors industry median of 41.86. Onto Innovation's overall GF Score™ is 91/100 with 2 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 Onto Innovation (ONTO), the current Shiller PE Ratio is 95.84 as of Sep. 15, 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 Onto Innovation (ONTO) Overvalued in 2026?
Based on GuruFocus' analysis, Onto Innovation stock appears to be overvalued.
The current stock price of $250.13 is trading 6.8% above its estimated GF Value™ of $234.28.
GuruFocus considers Onto Innovation to be Fairly Valued.
Key valuation signals for ONTO:
Shiller PE Ratio: 95.84 (56% above median its 10-year median of 61.35)
GF Value™: $234.28 vs. price of $250.13 (6.8% above fair value)
Industry Position: 129% above the Semiconductors median (#441 of 550)
No single metric tells the full story. See the ONTO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Onto Innovation Inc is engaged in the design, development, manufacture, and support of high-performance control metrology, defect inspection, lithography, and data analysis systems used by microelectronics device manufacturers. The Company and its subsidiaries currently operate in a single operating segment. The company mainly operates in the United States, Southeast Asia, China, Japan, and Europe, with Taiwan and South Korea the sources of total revenue.
91GF Score
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