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Innostar ServiceROCO:7828 +9.82%30 3-Year Book Growth Rate is 58.20% as of Jun. 2026, which is at its 10-year median of 58.20. GuruFocus rates ROCO:7828 with a GF Score™ of 30/100. The stock has 4 warning signs investors should review. Among 2,955 Industrial Products companies, Innostar Service ranks better than 95.4% on this metric.
During the past 12 months, Innostar Service's average Book Value per Share Growth Rate was 393.50% per year.
During the past 3 years, the average Book Value per Share Growth Rate was 58.20% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
During the past 6 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.
Innostar Service (ROCO:7828) 3-Year Book Growth Rate Explanation
Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.
Innostar Service 3-Year Book Growth Rate Related Terms
ROCO:7828 vs GEV, ETN, PH: 3-Year Book Growth Rate Comparison
For the Specialty Industrial Machinery subindustry, Innostar Service's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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 3-Year Book Growth Rate vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Innostar Service's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Innostar Service's 3-Year Book Growth Rate falls into.
Innostar Service 3-Year Book Growth Rate Calculation
This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
What does a 3-Year Book Growth Rate of 58.20% mean?
Innostar Service (ROCO:7828) has a 3-Year Book Growth Rate of 58.20% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Innostar Service and its competitors. This is near median its historical median of 58.20. Over the past decade, Innostar Service's 3-Year Book Growth Rate has ranged from 58.20 to 58.20. According to the industry distribution chart, Innostar Service ranks #136 out of 2955 companies in the Industrial Products industry, placing it in the top 4.6%.
Is Innostar Service's 3-Year Book Growth Rate too high?
Innostar Service's current 3-Year Book Growth Rate of 58.20% is near median its 10-year median of 58.20. Over the past 10 years, this metric has ranged from a low of 58.20 to a high of 58.20. The Industrial Products industry median 3-Year Book Growth Rate is 5.90. Innostar Service's value of 58.20% is 886.4% above this industry median. Based on the distribution chart, Innostar Service ranks #136 out of 2955 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Innostar Service has a GF Score™ of 30/100, reflecting its overall financial health beyond just this single metric.
How does Innostar Service's 3-Year Book Growth Rate compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Innostar Service ranks #136 out of 2955 companies for 3-Year Book Growth Rate. This places Innostar Service in the top 5% of its industry — outperforming the majority of peers. The industry median 3-Year Book Growth Rate is 5.90. Innostar Service's value of 58.20% is 886.4% above this benchmark. Historically, Innostar Service's own 3-Year Book Growth Rate has ranged from 58.20 to 58.20 over the past decade. While the company's 10-year median is 58.20 vs. the industry median of 5.90, 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 3-Year Book Growth Rate for an Industrial Products company?
The median 3-Year Book Growth Rate among Industrial Products companies is 5.90, based on 2,955 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. However, 3-Year Book Growth Rate should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Innostar Service's current 3-Year Book Growth Rate of 58.20% is 886.4% 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Innostar Service and its competitors. For the Industrial Products industry, the median 3-Year Book Growth Rate is 5.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Innostar Service's current 3-Year Book Growth Rate is 58.20%, which is near median its own 10-year median of 58.20. 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 3-Year Book Growth Rate of 58.20%. The current 3-Year Book Growth Rate is 58.20%, which is near median its 10-year median of 58.20 and 886.4% above the Industrial Products industry median of 5.90. Innostar Service's overall GF Score™ is 30/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Innostar Service (ROCO:7828), the current 3-Year Book Growth Rate is 58.20% as of Jun. 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 is a Taiwan-based provider of semiconductor testing and precision automation equipment. The company designs, develops, manufactures, and sells machinery and equipment for wafer-level testing, including MEMS probe card-related automation systems. It also supplies precision automation equipment serving the semiconductor and optoelectronic industries, and provides contract manufacturing services. In advanced packaging, Innostar works on high-density copper pillar lead frame technology and mass transfer processes. Its customers are primarily semiconductor and optoelectronics manufacturers and testing houses, mainly in Taiwan and other Asian semiconductor production hubs. Revenue comes from equipment sales, engineering and automation project work, and contract manufacturing services, with demand tied to capital spending cycles in wafer fabrication, testing, and advanced packaging.
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