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Diva LaboratoriesROCO:4153 -1.88%74 PB Ratio is 1.78 as of Jul. 15, 2026, which is 9% below its 10-year median of 1.95. GuruFocus rates ROCO:4153 with a GF Score™ of 74/100 and a GF Value™ of NT$38.03 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 195 Medical Diagnostics & Research companies, Diva Laboratories ranks better than 56.92% on this metric.
Diva Laboratories Ltd stock PB Ratio (=1.78) is close to 3-year low of 1.7.
The historical rank and industry rank for Diva Laboratories's PB Ratio or its related term are showing as below:
ROCO:4153'
s PB Ratio Range Over the Past 10 Years
Min: 1.14 Med: 1.95 Max: 3.37
Current: 1.78
During the past 13 years, Diva Laboratories's highest PB Ratio was 3.37. The lowest was 1.14. And the median was 1.95.
ROCO:4153's PB Ratio is ranked better than 56.92% of 195
companies
in the Medical Diagnostics & Research industry
Industry Median: 2.05
vs ROCO:4153: 1.78
During the past 12 months, Diva Laboratories's average Book Value Per Share Growth Rate was -2.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 0.40% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 1.20% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -3.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Diva Laboratories was 42.90% per year. The lowest was -11.10% per year. And the median was 0.95% per year.
Back to Basics: PB Ratio
Diva Laboratories (ROCO:4153) 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.
Diva Laboratories PB Ratio Related Terms
Diva Laboratories PB Ratio Historical Data
* Premium members only.
The historical data trend for Diva Laboratories'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 Diagnostics & Research subindustry, Diva Laboratories'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.
Diva Laboratories PB Ratio vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, Diva Laboratories's PB Ratio distribution charts can be found below:
* The bar in red indicates where Diva Laboratories'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.
Diva Laboratories (ROCO:4153) has a PB Ratio of 1.78 as of Jul. 15, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Diva Laboratories and its competitors. This is near median its historical median of 1.95. Over the past decade, Diva Laboratories' PB Ratio has ranged from 1.14 to 3.37. According to the industry distribution chart, Diva Laboratories ranks #84 out of 195 companies in the Medical Diagnostics & Research industry, placing it in the top 43.1%.
Is Diva Laboratories' PB Ratio too high?
Diva Laboratories' current PB Ratio of 1.78 is near median its 10-year median of 1.95. Over the past 10 years, this metric has ranged from a low of 1.14 to a high of 3.37. The Medical Diagnostics & Research industry median PB Ratio is 2.05. Diva Laboratories' value of 1.78 is 13.2% below this industry median. Based on the distribution chart, Diva Laboratories ranks #84 out of 195 companies in the Medical Diagnostics & Research industry, which is above the industry midpoint. Overall, Diva Laboratories has a GF Score™ of 74/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Diva Laboratories' PB Ratio compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Diva Laboratories ranks #84 out of 195 companies for PB Ratio. This puts Diva Laboratories in the upper half of its industry. The industry median PB Ratio is 2.05. Diva Laboratories' value of 1.78 is 13.2% below this benchmark. Historically, Diva Laboratories' own PB Ratio has ranged from 1.14 to 3.37 over the past decade. While the company's 10-year median is 1.95 vs. the industry median of 2.05, Diva Laboratories 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 Medical Diagnostics & Research company?
The median PB Ratio among Medical Diagnostics & Research companies is 2.05, based on 195 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. Diva Laboratories's current PB Ratio of 1.78 is 13.2% 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 Diva Laboratories and its competitors. For the Medical Diagnostics & Research industry, the median PB Ratio is 2.05 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diva Laboratories's current PB Ratio is 1.78, which is near median its own 10-year median of 1.95. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diva Laboratories stock overvalued right now?
Based on GuruFocus' analysis, Diva Laboratories (ROCO:4153) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$38.03, compared to a current price of NT$31.25 — trading 17.8% below its estimated fair value. The current PB Ratio is 1.78, which is near median its 10-year median of 1.95 and 13.2% below the Medical Diagnostics & Research industry median of 2.05. Diva Laboratories' overall GF Score™ is 74/100 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 Diva Laboratories (ROCO:4153), the current PB Ratio is 1.78 as of Jul. 15, 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 Diva Laboratories (ROCO:4153) Overvalued in 2026?
Based on GuruFocus' analysis, Diva Laboratories stock appears to be undervalued.
The current stock price of NT$31.25 is trading 17.8% below its estimated GF Value™ of NT$38.03.
GuruFocus considers Diva Laboratories to be Modestly Undervalued.
Key valuation signals for ROCO:4153:
PB Ratio: 1.78 (near median its 10-year median of 1.95)
GF Value™: NT$38.03 vs. price of NT$31.25 (17.8% below fair value)
Industry Position: 13.2% below the Medical Diagnostics & Research median (#84 of 195)
No single metric tells the full story. See the ROCO:4153 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Diva Laboratories Ltd is engaged in the sale, manufacturing and development of medical equipment and computer-related devices. Its products are divided into Medical display which includes radiology, endo/surgical, touch, and embedded display; and Industrial display which includes touch display monitors. It derives revenue from sale of Medical monitors, Medical parts, Industrial monitors, Industrial parts, and Parts. Geographically it operates and derives revenue from Taiwan.
74GF Score
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