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.
Edison OptoTPE:3591 -5.85%74 Cyclically Adjusted PB Ratio is 0.73 as of Jul. 30, 2026, which is 1% above its 10-year median of 0.72. GuruFocus rates TPE:3591 with a GF Score™ of 74/100 and a GF Value™ of NT$24.59 (Modestly Undervalued). The stock has 7 warning signs investors should review. Among 1,975 Hardware companies, Edison Opto ranks better than 78.38% on this metric.
The historical rank and industry rank for Edison Opto's Cyclically Adjusted PB Ratio or its related term are showing as below:
TPE:3591'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.28 Med: 0.72 Max: 1.17
Current: 0.73
During the past years, Edison Opto's highest Cyclically Adjusted PB Ratio was 1.17. The lowest was 0.28. And the median was 0.72.
TPE:3591's Cyclically Adjusted PB Ratio is ranked better than 78.38% of 1975
companies
in the Hardware industry
Industry Median: 2.01
vs TPE:3591: 0.73
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.
Edison Opto's adjusted book value per share data for the three months ended in Mar. 2026 was NT$20.196. 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 NT$25.46 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Edison Opto (TPE:3591) 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.
Edison Opto Cyclically Adjusted PB Ratio Related Terms
Edison Opto Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Edison Opto'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.
TPE:3591 vs APH, GLW, TEL: Cyclically Adjusted PB Ratio Comparison
For the Electronic Components subindustry, Edison Opto'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.
Edison Opto Cyclically Adjusted PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, Edison Opto's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Edison Opto's Cyclically Adjusted PB Ratio falls into.
Edison Opto 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.
Edison Opto's Cyclically Adjusted PB 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.
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 0.73 mean?
Edison Opto (TPE:3591) has a Cyclically Adjusted PB Ratio of 0.73 as of Jul. 30, 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 Edison Opto and its competitors. This is near median its historical median of 0.72. Over the past decade, Edison Opto's Cyclically Adjusted PB Ratio has ranged from 0.28 to 1.17. According to the industry distribution chart, Edison Opto ranks #427 out of 1975 companies in the Hardware industry, placing it in the top 21.6%.
Is Edison Opto's Cyclically Adjusted PB Ratio too high?
Edison Opto's current Cyclically Adjusted PB Ratio of 0.73 is near median its 10-year median of 0.72. Over the past 10 years, this metric has ranged from a low of 0.28 to a high of 1.17. The Hardware industry median Cyclically Adjusted PB Ratio is 2.01. Edison Opto's value of 0.73 is 63.7% below this industry median. Based on the distribution chart, Edison Opto ranks #427 out of 1975 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, Edison Opto has a GF Score™ of 74/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Edison Opto's Cyclically Adjusted PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, Edison Opto ranks #427 out of 1975 companies for Cyclically Adjusted PB Ratio. This places Edison Opto in the top 22% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 2.01. Edison Opto's value of 0.73 is 63.7% below this benchmark. Historically, Edison Opto's own Cyclically Adjusted PB Ratio has ranged from 0.28 to 1.17 over the past decade. While the company's 10-year median is 0.72 vs. the industry median of 2.01, Edison Opto 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 Cyclically Adjusted PB Ratio for a Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.01, based on 1,975 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. Edison Opto's current Cyclically Adjusted PB Ratio of 0.73 is 63.7% 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 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 Edison Opto and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Edison Opto's current Cyclically Adjusted PB Ratio is 0.73, which is near median its own 10-year median of 0.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Edison Opto stock overvalued right now?
Based on GuruFocus' analysis, Edison Opto (TPE:3591) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$24.59, compared to a current price of NT$18.50 — trading 24.8% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.73, which is near median its 10-year median of 0.72 and 63.7% below the Hardware industry median of 2.01. Edison Opto's overall GF Score™ is 74/100 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 Edison Opto (TPE:3591), the current Cyclically Adjusted PB Ratio is 0.73 as of Jul. 30, 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 Edison Opto (TPE:3591) Overvalued in 2026?
Based on GuruFocus' analysis, Edison Opto stock appears to be undervalued.
The current stock price of NT$18.50 is trading 24.8% below its estimated GF Value™ of NT$24.59.
GuruFocus considers Edison Opto to be Modestly Undervalued.
Key valuation signals for TPE:3591:
Cyclically Adjusted PB Ratio: 0.73 (near median its 10-year median of 0.72)
GF Value™: NT$24.59 vs. price of NT$18.50 (24.8% below fair value)
Industry Position: 63.7% below the Hardware median (#427 of 1975)
No single metric tells the full story. See the TPE:3591 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Edison Opto Corp is engaged in manufacturing, selling, researching, and developing LED components, modules, and finished products in general lighting and automotive lighting areas. The company's operating segments include The Company; Edison Opto (Dong Guan) Co. Ltd; Yangzhou Edison Opto Corporation; Yangzhou Edison-Litek Opto Corporation; Edison-Litek Opto Corporation, and other subsidiaries. It generates maximum revenue from the Company segment.
74GF Score
Get the complete analysis for TPE:3591
Cyclically Adjusted PB 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
TPE:3591 has been successfully added to your 
