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APAC Opto ElectronicsROCO:4908 +0.65%64 PB Ratio is 7.04 as of Jul. 16, 2026, which is 340% above its 10-year median of 1.60. GuruFocus rates ROCO:4908 with a GF Score™ of 64/100 and a GF Value™ of NT$74.36 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 2,419 Hardware companies, APAC Opto Electronics ranks worse than 84.17% on this metric.
The historical rank and industry rank for APAC Opto Electronics's PB Ratio or its related term are showing as below:
ROCO:4908'
s PB Ratio Range Over the Past 10 Years
Min: 0.94 Med: 1.6 Max: 12.09
Current: 7.05
During the past 13 years, APAC Opto Electronics's highest PB Ratio was 12.09. The lowest was 0.94. And the median was 1.60.
ROCO:4908's PB Ratio is ranked worse than 84.17% of 2419
companies
in the Hardware industry
Industry Median: 2.27
vs ROCO:4908: 7.05
During the past 12 months, APAC Opto Electronics's average Book Value Per Share Growth Rate was 1.30% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 0.50% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 2.40% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 3.80% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of APAC Opto Electronics was 6.30% per year. The lowest was 0.00% per year. And the median was 3.35% per year.
Back to Basics: PB Ratio
APAC Opto Electronics (ROCO:4908) PB Ratio Explanation
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
* 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.
For the Communication Equipment subindustry, APAC Opto Electronics's PB Ratio, along with its competitors' market caps and 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.
APAC Opto Electronics PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, APAC Opto Electronics's PB Ratio distribution charts can be found below:
* The bar in red indicates where APAC Opto Electronics's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
APAC Opto Electronics (ROCO:4908) has a PB Ratio of 7.04 as of Jul. 16, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on APAC Opto Electronics and its competitors. This is 340% above median its historical median of 1.60. Over the past decade, APAC Opto Electronics' PB Ratio has ranged from 0.94 to 12.09. According to the industry distribution chart, APAC Opto Electronics ranks #2036 out of 2419 companies in the Hardware industry, placing it in the top 84.2%.
Is APAC Opto Electronics' PB Ratio too high?
APAC Opto Electronics' current PB Ratio of 7.04 is 340% above median its 10-year median of 1.60. Over the past 10 years, this metric has ranged from a low of 0.94 to a high of 12.09. The Hardware industry median PB Ratio is 2.27. APAC Opto Electronics' value of 7.04 is 210.1% above this industry median. Based on the distribution chart, APAC Opto Electronics ranks #2036 out of 2419 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, APAC Opto Electronics has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does APAC Opto Electronics' PB Ratio compare to CSCO and CIEN?
According to the Hardware industry distribution chart, APAC Opto Electronics ranks #2036 out of 2419 companies for PB Ratio. This places APAC Opto Electronics in the lower half of its industry. The industry median PB Ratio is 2.27. APAC Opto Electronics' value of 7.04 is 210.1% above this benchmark. Historically, APAC Opto Electronics' own PB Ratio has ranged from 0.94 to 12.09 over the past decade. While the company's 10-year median is 1.60 vs. the industry median of 2.27, APAC Opto Electronics 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 PB Ratio for a Hardware company?
The median PB Ratio among Hardware companies is 2.27, based on 2,419 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. APAC Opto Electronics's current PB Ratio of 7.04 is 210.1% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on APAC Opto Electronics and its competitors. For the Hardware industry, the median PB Ratio is 2.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. APAC Opto Electronics's current PB Ratio is 7.04, which is 340% above median its own 10-year median of 1.60. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is APAC Opto Electronics stock overvalued right now?
Based on GuruFocus' analysis, APAC Opto Electronics (ROCO:4908) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$74.36, compared to a current price of NT$155.50 — trading 109.1% above its estimated fair value. The current PB Ratio is 7.04, which is 340% above median its 10-year median of 1.60 and 210.1% above the Hardware industry median of 2.27. APAC Opto Electronics' overall GF Score™ is 64/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For APAC Opto Electronics (ROCO:4908), the current PB Ratio is 7.04 as of Jul. 16, 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 APAC Opto Electronics (ROCO:4908) Overvalued in 2026?
Based on GuruFocus' analysis, APAC Opto Electronics stock appears to be overvalued.
The current stock price of NT$155.50 is trading 109.1% above its estimated GF Value™ of NT$74.36.
GuruFocus considers APAC Opto Electronics to be Significantly Overvalued.
Key valuation signals for ROCO:4908:
PB Ratio: 7.04 (340% above median its 10-year median of 1.60)
GF Value™: NT$74.36 vs. price of NT$155.50 (109.1% above fair value)
Industry Position: 210.1% above the Hardware median (#2036 of 2419)
No single metric tells the full story. See the ROCO:4908 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
APAC Opto Electronics Inc is a manufacturer of wired and wireless communication equipment and electronic components, and the wholesale and retail of telecommunications equipment and electronic materials. The products of the company include optical extender modules, optical transceiver modules, Optical extender modules, and copper transceiver modules.
64GF Score
Get the complete analysis for ROCO:4908
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