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Applied OptoelectronicsHAM:A59 +4.77%35 Cyclically Adjusted PB Ratio is 10.17 as of Aug. 06, 2026, which is 948% above its 10-year median of 0.97. GuruFocus rates HAM:A59 with a GF Score™ of 35/100 and a GF Value™ of €18.33 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 1,968 Hardware companies, Applied Optoelectronics ranks worse than 89.68% on this metric.
The historical rank and industry rank for Applied Optoelectronics's Cyclically Adjusted PB Ratio or its related term are showing as below:
HAM:A59'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.09 Med: 0.97 Max: 14.32
Current: 9.68
During the past years, Applied Optoelectronics's highest Cyclically Adjusted PB Ratio was 14.32. The lowest was 0.09. And the median was 0.97.
HAM:A59's Cyclically Adjusted PB Ratio is ranked worse than 89.68% of 1968
companies
in the Hardware industry
Industry Median: 2
vs HAM:A59: 9.68
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
Applied Optoelectronics's adjusted book value per share data for the three months ended in Mar. 2026 was €12.114. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is €11.46 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Applied Optoelectronics (HAM:A59) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.
Applied Optoelectronics Cyclically Adjusted PB Ratio Related Terms
Applied Optoelectronics Cyclically Adjusted PB Ratio Historical Data
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The historical data trend for Applied Optoelectronics's Cyclically Adjusted PB 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.
Applied Optoelectronics Cyclically Adjusted PB Ratio Chart
HAM:A59 vs VIAV, VSAT, ONDS: Cyclically Adjusted PB Ratio Comparison
For the Communication Equipment subindustry, Applied Optoelectronics's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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.
Applied Optoelectronics Cyclically Adjusted PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, Applied Optoelectronics's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Applied Optoelectronics's Cyclically Adjusted PB Ratio falls into.
Applied Optoelectronics Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.
* 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.
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.
What does a Cyclically Adjusted PB Ratio of 10.17 mean?
Applied Optoelectronics (HAM:A59) has a Cyclically Adjusted PB Ratio of 10.17 as of Aug. 06, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Applied Optoelectronics and its competitors. This is 948% above median its historical median of 0.97. Over the past decade, Applied Optoelectronics' Cyclically Adjusted PB Ratio has ranged from 0.09 to 14.32. According to the industry distribution chart, Applied Optoelectronics ranks #1765 out of 1968 companies in the Hardware industry, placing it in the top 89.7%.
Is Applied Optoelectronics' Cyclically Adjusted PB Ratio too high?
Applied Optoelectronics' current Cyclically Adjusted PB Ratio of 10.17 is 948% above median its 10-year median of 0.97. Over the past 10 years, this metric has ranged from a low of 0.09 to a high of 14.32. The Hardware industry median Cyclically Adjusted PB Ratio is 2.00. Applied Optoelectronics' value of 10.17 is 408.5% above this industry median. Based on the distribution chart, Applied Optoelectronics ranks #1765 out of 1968 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Applied Optoelectronics has a GF Score™ of 35/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Applied Optoelectronics' Cyclically Adjusted PB Ratio compare to VIAV and VSAT?
According to the Hardware industry distribution chart, Applied Optoelectronics ranks #1765 out of 1968 companies for Cyclically Adjusted PB Ratio. This places Applied Optoelectronics in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.00. Applied Optoelectronics' value of 10.17 is 408.5% above this benchmark. Historically, Applied Optoelectronics' own Cyclically Adjusted PB Ratio has ranged from 0.09 to 14.32 over the past decade. While the company's 10-year median is 0.97 vs. the industry median of 2.00, Applied Optoelectronics 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 Cyclically Adjusted PB Ratio for a Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.00, based on 1,968 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Applied Optoelectronics's current Cyclically Adjusted PB Ratio of 10.17 is 408.5% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Applied Optoelectronics and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Applied Optoelectronics's current Cyclically Adjusted PB Ratio is 10.17, which is 948% above median its own 10-year median of 0.97. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Applied Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, Applied Optoelectronics (HAM:A59) is currently considered Significantly Overvalued. The stock's GF Value™ is €18.33, compared to a current price of €116.50 — trading 535.6% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 10.17, which is 948% above median its 10-year median of 0.97 and 408.5% above the Hardware industry median of 2.00. Applied Optoelectronics' overall GF Score™ is 35/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Applied Optoelectronics (HAM:A59), the current Cyclically Adjusted PB Ratio is 10.17 as of Aug. 06, 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 Applied Optoelectronics (HAM:A59) Overvalued in 2026?
Based on GuruFocus' analysis, Applied Optoelectronics stock appears to be overvalued.
The current stock price of €116.50 is trading 535.6% above its estimated GF Value™ of €18.33.
GuruFocus considers Applied Optoelectronics to be Significantly Overvalued.
Key valuation signals for HAM:A59:
Cyclically Adjusted PB Ratio: 10.17 (948% above median its 10-year median of 0.97)
GF Value™: €18.33 vs. price of €116.50 (535.6% above fair value)
Industry Position: 408.5% above the Hardware median (#1765 of 1968)
No single metric tells the full story. See the HAM:A59 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Applied Optoelectronics Inc is a provider of fiber-optic networking products, for four networking end-markets; internet data center, CATV, telecom, and FTTH. The Company designs and manufactures a wide range of optical communications products at varying levels of integration, from components, subassemblies, and modules to meet turn-key equipment. Through direct sales personnel, and manufacturing teams in the United States, China, and Taiwan, the company coordinates with customers to determine product design, qualifications, and performance. The Company has manufacturing and research and development facilities located in the U.S., Taiwan, and China.
35GF Score
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