YJN CoROCO:3191 55 PB Ratio is 3.23 as of Jul. 12, 2026, which is 3% below its 10-year median of 3.32. GuruFocus rates ROCO:3191 with a GF Score™ of 55/100 and a GF Value™ of NT$15.25 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 2,421 Hardware companies, YJN Co ranks worse than 61.42% on this metric.
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. As of today (2026-07-12), YJN Co's share price is NT$18.80. YJN Co's Book Value per Share for the quarter that ended in Dec. 2025 was NT$5.82. Hence, YJN Co's PB Ratio of today is 3.23.
The historical rank and industry rank for YJN Co's PB Ratio or its related term are showing as below:
ROCO:3191'
s PB Ratio Range Over the Past 10 Years
Min: 1.6 Med: 3.32 Max: 10.98
Current: 3.23
During the past 13 years, YJN Co's highest PB Ratio was 10.98. The lowest was 1.60. And the median was 3.32.
ROCO:3191's PB Ratio is ranked worse than 61.42% of 2421
companies
in the Hardware industry
Industry Median: 2.35
vs ROCO:3191: 3.23
During the past 12 months, YJN Co's average Book Value Per Share Growth Rate was 14.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -4.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 1.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -10.90% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of YJN Co was 6.00% per year. The lowest was -28.00% per year. And the median was -5.95% per year.
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.
YJN Co PB Ratio Related Terms
YJN Co PB Ratio Historical Data
* Premium members only.
The historical data trend for YJN Co's 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.
For the Electronic Components subindustry, YJN Co'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.
YJN Co PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, YJN Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where YJN Co'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.
YJN Co's PB Ratio for today is calculated as follows:
* 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.
YJN Co (ROCO:3191) has a PB Ratio of 3.23 as of Jul. 12, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on YJN Co and its competitors. This is near median its historical median of 3.32. Over the past decade, YJN Co's PB Ratio has ranged from 1.60 to 10.98. According to the industry distribution chart, YJN Co ranks #1487 out of 2421 companies in the Hardware industry, placing it in the top 61.4%.
Is YJN Co's PB Ratio too high?
YJN Co's current PB Ratio of 3.23 is near median its 10-year median of 3.32. Over the past 10 years, this metric has ranged from a low of 1.60 to a high of 10.98. The Hardware industry median PB Ratio is 2.35. YJN Co's value of 3.23 is 37.4% above this industry median. Based on the distribution chart, YJN Co ranks #1487 out of 2421 companies in the Hardware industry, which is below the industry midpoint. Overall, YJN Co has a GF Score™ of 55/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does YJN Co's PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, YJN Co ranks #1487 out of 2421 companies for PB Ratio. This places YJN Co in the lower half of its industry. The industry median PB Ratio is 2.35. YJN Co's value of 3.23 is 37.4% above this benchmark. Historically, YJN Co's own PB Ratio has ranged from 1.60 to 10.98 over the past decade. While the company's 10-year median is 3.32 vs. the industry median of 2.35, YJN Co 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 2.35, based on 2,421 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. YJN Co's current PB Ratio of 3.23 is 37.4% 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 YJN Co and its competitors. For the Hardware industry, the median PB Ratio is 2.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. YJN Co's current PB Ratio is 3.23, which is near median its own 10-year median of 3.32. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is YJN Co stock overvalued right now?
Based on GuruFocus' analysis, YJN Co (ROCO:3191) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$15.25, compared to a current price of NT$18.80 — trading 23.3% above its estimated fair value. The current PB Ratio is 3.23, which is near median its 10-year median of 3.32 and 37.4% above the Hardware industry median of 2.35. YJN Co's overall GF Score™ is 55/100 with 4 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 YJN Co (ROCO:3191), the current PB Ratio is 3.23 as of Jul. 12, 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 YJN Co (ROCO:3191) Overvalued in 2026?
Based on GuruFocus' analysis, YJN Co stock appears to be overvalued.
The current stock price of NT$18.80 is trading 23.3% above its estimated GF Value™ of NT$15.25.
GuruFocus considers YJN Co to be Modestly Overvalued.
Key valuation signals for ROCO:3191:
PB Ratio: 3.23 (near median its 10-year median of 3.32)
GF Value™: NT$15.25 vs. price of NT$18.80 (23.3% above fair value)
Industry Position: 37.4% above the Hardware median (#1487 of 2421)
No single metric tells the full story. See the ROCO:3191 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
YJN Co Ltd is a Taiwan-based company engaged in the production and sales of electronic components and electronic materials, as well as import and export trade. The company operates in single segment which is Plastic electronics segment.
55GF Score
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