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.
Kwang Ming Silk Mill CoROCO:4420 -1.11%64 PB Ratio is 0.96 as of Jul. 19, 2026, which is 15% below its 10-year median of 1.13. GuruFocus rates ROCO:4420 with a GF Score™ of 64/100 and a GF Value™ of NT$75.13 (Significantly Undervalued). The stock has 2 warning signs investors should review. Among 1,004 Manufacturing - Apparel & Accessories companies, Kwang Ming Silk Mill Co ranks better than 53.78% on this metric.
During the past 12 months, Kwang Ming Silk Mill Co's average Book Value Per Share Growth Rate was -0.30% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 48.10% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 9.90% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 7.80% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Kwang Ming Silk Mill Co was 48.10% per year. The lowest was -29.80% per year. And the median was 10.55% per year.
Back to Basics: PB Ratio
Kwang Ming Silk Mill Co (ROCO:4420) 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.
Kwang Ming Silk Mill Co PB Ratio Competitor Comparison
For the Textile Manufacturing subindustry, Kwang Ming Silk Mill 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.
Kwang Ming Silk Mill Co PB Ratio vs Manufacturing - Apparel & Accessories Industry
For the Manufacturing - Apparel & Accessories industry and Consumer Cyclical sector, Kwang Ming Silk Mill Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Kwang Ming Silk Mill 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.
* 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.
Kwang Ming Silk Mill Co (ROCO:4420) has a PB Ratio of 0.96 as of Jul. 19, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Kwang Ming Silk Mill Co and its competitors. This is 15% below median its historical median of 1.13. Over the past decade, Kwang Ming Silk Mill Co's PB Ratio has ranged from 0.61 to 2.70. According to the industry distribution chart, Kwang Ming Silk Mill Co ranks #464 out of 1004 companies in the Manufacturing - Apparel & Accessories industry, placing it in the top 46.2%.
Is Kwang Ming Silk Mill Co's PB Ratio too high?
Kwang Ming Silk Mill Co's current PB Ratio of 0.96 is 15% below median its 10-year median of 1.13. Over the past 10 years, this metric has ranged from a low of 0.61 to a high of 2.70. The Manufacturing - Apparel & Accessories industry median PB Ratio is 1.07. Kwang Ming Silk Mill Co's value of 0.96 is 10.3% below this industry median. Based on the distribution chart, Kwang Ming Silk Mill Co ranks #464 out of 1004 companies in the Manufacturing - Apparel & Accessories industry, which is above the industry midpoint. Overall, Kwang Ming Silk Mill Co has a GF Score™ of 64/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Kwang Ming Silk Mill Co's PB Ratio compare to competitors?
According to the Manufacturing - Apparel & Accessories industry distribution chart, Kwang Ming Silk Mill Co ranks #464 out of 1004 companies for PB Ratio. This puts Kwang Ming Silk Mill Co in the upper half of its industry. The industry median PB Ratio is 1.07. Kwang Ming Silk Mill Co's value of 0.96 is 10.3% below this benchmark. Historically, Kwang Ming Silk Mill Co's own PB Ratio has ranged from 0.61 to 2.70 over the past decade. While the company's 10-year median is 1.13 vs. the industry median of 1.07, Kwang Ming Silk Mill Co 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 PB Ratio for a Manufacturing - Apparel & Accessories company?
The median PB Ratio among Manufacturing - Apparel & Accessories companies is 1.07, based on 1,004 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. Kwang Ming Silk Mill Co's current PB Ratio of 0.96 is 10.3% 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 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 Kwang Ming Silk Mill Co and its competitors. For the Manufacturing - Apparel & Accessories industry, the median PB Ratio is 1.07 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Kwang Ming Silk Mill Co's current PB Ratio is 0.96, which is 15% below median its own 10-year median of 1.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Kwang Ming Silk Mill Co stock overvalued right now?
Based on GuruFocus' analysis, Kwang Ming Silk Mill Co (ROCO:4420) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$75.13, compared to a current price of NT$35.60 — trading 52.6% below its estimated fair value. The current PB Ratio is 0.96, which is 15% below median its 10-year median of 1.13 and 10.3% below the Manufacturing - Apparel & Accessories industry median of 1.07. Kwang Ming Silk Mill Co's 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 Kwang Ming Silk Mill Co (ROCO:4420), the current PB Ratio is 0.96 as of Jul. 19, 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 Kwang Ming Silk Mill Co (ROCO:4420) Overvalued in 2026?
Based on GuruFocus' analysis, Kwang Ming Silk Mill Co stock appears to be undervalued.
The current stock price of NT$35.60 is trading 52.6% below its estimated GF Value™ of NT$75.13.
GuruFocus considers Kwang Ming Silk Mill Co to be Significantly Undervalued.
Key valuation signals for ROCO:4420:
PB Ratio: 0.96 (15% below median its 10-year median of 1.13)
GF Value™: NT$75.13 vs. price of NT$35.60 (52.6% below fair value)
Industry Position: 10.3% below the Manufacturing - Apparel & Accessories median (#464 of 1004)
No single metric tells the full story. See the ROCO:4420 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Kwang Ming Silk Mill Co Ltd is mainly engaged in the textile industry, including the manufacture of man-made fibers, dyeing and weaving of fabrics, and the purchase and sale of raw materials, supplies, and finished goods related to fabrics. The Company is also involved in real estate leasing, as well as industrial factory development and rental. It operates through two reportable segments: the Fiber segment, which generates the maximum revenue and is engaged in the manufacture and trading of textured yarn, and the Real Estate Development segment, which focuses on housing, commercial buildings, and factory development and rental.
64GF Score
Get the complete analysis for ROCO:4420
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
ROCO:4420 has been successfully added to your 
