Innostar ServiceROCO:7828 -9.90%23 PB Ratio is 57.40 as of Jun. 29, 2026, which is 239% above its 10-year median of 16.91. GuruFocus rates ROCO:7828 with a GF Score™ of 23/100. The stock has 7 warning signs investors should review. Among 2,981 Industrial Products companies, Innostar Service ranks worse than 99.53% 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 (2026-06-29), Innostar Service's share price is NT$1865.00. Innostar Service's Book Value per Share for the quarter that ended in Dec. 2025 was NT$32.49. Hence, Innostar Service's PB Ratio of today is 57.40.
Warning Sign:
Innostar Service Inc stock PB Ratio (=63.71) is close to 2-year high of 63.71.
The historical rank and industry rank for Innostar Service's PB Ratio or its related term are showing as below:
ROCO:7828'
s PB Ratio Range Over the Past 10 Years
Min: 11.92 Med: 16.91 Max: 63.71
Current: 57.4
During the past 4 years, Innostar Service's highest PB Ratio was 63.71. The lowest was 11.92. And the median was 16.91.
ROCO:7828's PB Ratio is ranked worse than 99.53% of 2981
companies
in the Industrial Products industry
Industry Median: 2.26
vs ROCO:7828: 57.40
During the past 12 months, Innostar Service's average Book Value Per Share Growth Rate was 88.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 58.20% per year.
During the past 4 years, the highest 3-Year average Book Value Per Share Growth Rate of Innostar Service was 58.20% per year. The lowest was 58.20% per year. And the median was 58.20% 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.
Innostar Service PB Ratio Related Terms
Innostar Service PB Ratio Historical Data
* Premium members only.
The historical data trend for Innostar Service'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 Specialty Industrial Machinery subindustry, Innostar Service'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.
Innostar Service PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Innostar Service's PB Ratio distribution charts can be found below:
* The bar in red indicates where Innostar Service'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.
Innostar Service (ROCO:7828) has a PB Ratio of 57.40 as of Jun. 29, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Innostar Service and its competitors. This is 239% above median its historical median of 16.91. Over the past decade, Innostar Service's PB Ratio has ranged from 11.92 to 63.71. According to the industry distribution chart, Innostar Service ranks #2967 out of 2981 companies in the Industrial Products industry, placing it in the top 99.5%.
Is Innostar Service's PB Ratio too high?
Innostar Service's current PB Ratio of 57.40 is 239% above median its 10-year median of 16.91. Over the past 10 years, this metric has ranged from a low of 11.92 to a high of 63.71. The Industrial Products industry median PB Ratio is 2.26. Innostar Service's value of 57.40 is 2439.8% above this industry median. Based on the distribution chart, Innostar Service ranks #2967 out of 2981 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Innostar Service has a GF Score™ of 23/100, reflecting its overall financial health beyond just this single metric.
How does Innostar Service's PB Ratio compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Innostar Service ranks #2967 out of 2981 companies for PB Ratio. This places Innostar Service in the lower half of its industry. The industry median PB Ratio is 2.26. Innostar Service's value of 57.40 is 2439.8% above this benchmark. Historically, Innostar Service's own PB Ratio has ranged from 11.92 to 63.71 over the past decade. While the company's 10-year median is 16.91 vs. the industry median of 2.26, Innostar Service 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 an Industrial Products company?
The median PB Ratio among Industrial Products companies is 2.26, based on 2,981 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. Innostar Service's current PB Ratio of 57.40 is 2439.8% 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 Innostar Service and its competitors. For the Industrial Products industry, the median PB Ratio is 2.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Innostar Service's current PB Ratio is 57.40, which is 239% above median its own 10-year median of 16.91. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Innostar Service stock overvalued right now?
Innostar Service (ROCO:7828) has a current PB Ratio of 57.40. The current PB Ratio is 57.40, which is 239% above median its 10-year median of 16.91 and 2439.8% above the Industrial Products industry median of 2.26. Innostar Service's overall GF Score™ is 23/100 with 7 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 Innostar Service (ROCO:7828), the current PB Ratio is 57.40 as of Jun. 29, 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.
Innostar Service Inc a total solution provider engaged in the design, development, manufacturing and sales of semiconductor probe card-related machinery and equipment, optoelectronic automation equipment engineering, and contract manufacturing services. The company focuses on the design, development, and sales of products in three core areas: Semiconductor Wafer Level Testing: MEMS Probe Card-Related Automation Equipment; Precision Automation Equipment for the Semiconductor and Optoelectronics Industries; Advanced Packaging: High-Density Copper Pillar Lead Frame and Mass Transfer Technology.
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