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Microbio CoROCO:4128 -1.55%56 PB Ratio is 1.05 as of Jul. 17, 2026, which is 33% below its 10-year median of 1.57. GuruFocus rates ROCO:4128 with a GF Score™ of 56/100 and a GF Value™ of NT$45.77 (Significantly Undervalued). The stock has 1 warning sign investors should review. Among 1,902 Consumer Packaged Goods companies, Microbio Co ranks better than 61.51% 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 (2026-07-17), Microbio Co's share price is NT$15.85. Microbio Co's Book Value per Share for the quarter that ended in Dec. 2025 was NT$15.16. Hence, Microbio Co's PB Ratio of today is 1.05.
The historical rank and industry rank for Microbio Co's PB Ratio or its related term are showing as below:
ROCO:4128'
s PB Ratio Range Over the Past 10 Years
Min: 0.74 Med: 1.57 Max: 5.79
Current: 1.04
During the past 13 years, Microbio Co's highest PB Ratio was 5.79. The lowest was 0.74. And the median was 1.57.
ROCO:4128's PB Ratio is ranked better than 61.51% of 1902
companies
in the Consumer Packaged Goods industry
Industry Median: 1.36
vs ROCO:4128: 1.04
During the past 12 months, Microbio Co's average Book Value Per Share Growth Rate was -13.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -9.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -4.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 4.70% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Microbio Co was 37.60% per year. The lowest was -9.60% per year. And the median was 7.40% 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.
Microbio Co PB Ratio Related Terms
Microbio Co PB Ratio Historical Data
* Premium members only.
The historical data trend for Microbio 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 Packaged Foods subindustry, Microbio 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.
Microbio Co PB Ratio vs Consumer Packaged Goods Industry
For the Consumer Packaged Goods industry and Consumer Defensive sector, Microbio Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Microbio 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.
Microbio 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.
Microbio Co (ROCO:4128) has a PB Ratio of 1.05 as of Jul. 17, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Microbio Co and its competitors. This is 33% below median its historical median of 1.57. Over the past decade, Microbio Co's PB Ratio has ranged from 0.74 to 5.79. According to the industry distribution chart, Microbio Co ranks #732 out of 1902 companies in the Consumer Packaged Goods industry, placing it in the top 38.5%.
Is Microbio Co's PB Ratio too high?
Microbio Co's current PB Ratio of 1.05 is 33% below median its 10-year median of 1.57. Over the past 10 years, this metric has ranged from a low of 0.74 to a high of 5.79. The Consumer Packaged Goods industry median PB Ratio is 1.36. Microbio Co's value of 1.05 is 22.8% below this industry median. Based on the distribution chart, Microbio Co ranks #732 out of 1902 companies in the Consumer Packaged Goods industry, which is above the industry midpoint. Overall, Microbio Co has a GF Score™ of 56/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Microbio Co's PB Ratio compare to KHC and GIS?
According to the Consumer Packaged Goods industry distribution chart, Microbio Co ranks #732 out of 1902 companies for PB Ratio. This puts Microbio Co in the upper half of its industry. The industry median PB Ratio is 1.36. Microbio Co's value of 1.05 is 22.8% below this benchmark. Historically, Microbio Co's own PB Ratio has ranged from 0.74 to 5.79 over the past decade. While the company's 10-year median is 1.57 vs. the industry median of 1.36, Microbio 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 Consumer Packaged Goods company?
The median PB Ratio among Consumer Packaged Goods companies is 1.36, based on 1,902 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. Microbio Co's current PB Ratio of 1.05 is 22.8% 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 Microbio Co and its competitors. For the Consumer Packaged Goods industry, the median PB Ratio is 1.36 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Microbio Co's current PB Ratio is 1.05, which is 33% below median its own 10-year median of 1.57. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Microbio Co stock overvalued right now?
Based on GuruFocus' analysis, Microbio Co (ROCO:4128) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$45.77, compared to a current price of NT$15.85 — trading 65.4% below its estimated fair value. The current PB Ratio is 1.05, which is 33% below median its 10-year median of 1.57 and 22.8% below the Consumer Packaged Goods industry median of 1.36. Microbio Co's overall GF Score™ is 56/100 with 1 warning sign 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 Microbio Co (ROCO:4128), the current PB Ratio is 1.05 as of Jul. 17, 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 Microbio Co (ROCO:4128) Overvalued in 2026?
Based on GuruFocus' analysis, Microbio Co stock appears to be undervalued.
The current stock price of NT$15.85 is trading 65.4% below its estimated GF Value™ of NT$45.77.
GuruFocus considers Microbio Co to be Significantly Undervalued.
Key valuation signals for ROCO:4128:
PB Ratio: 1.05 (33% below median its 10-year median of 1.57)
GF Value™: NT$45.77 vs. price of NT$15.85 (65.4% below fair value)
Industry Position: 22.8% below the Consumer Packaged Goods median (#732 of 1902)
No single metric tells the full story. See the ROCO:4128 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Microbio Co Ltd is engaged in the research and development, manufacturing, and trading of biotech drugs and dietary supplements. Its drug portfolio includes MS-20, a mixture of soybean fermentation metabolites, which improves fatigue and loss of appetite in cancer patients undergoing chemotherapy. In addition, the company also offers Lee Herb series of herbal essence drinks, Tien Chun Bao oral solutions, Herbiron oral solutions for iron deficiency, and other pharmaceutical and organic products. The company generates revenue from biotech drug research and development and the sale of dietary supplements. The majority of its revenue is generated from the sale of its dietary supplements.
56GF Score
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