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During the past 12 months, East Tender Optoelectronics's average Book Value Per Share Growth Rate was 1.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -7.70% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -6.40% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 4.40% 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 book value growth rate using book value per share data.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of East Tender Optoelectronics was 20.20% per year. The lowest was -7.70% per year. And the median was 7.65% per year.
East Tender Optoelectronics (ROCO:6588) Book Value per Share Explanation
Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.
For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.
East Tender Optoelectronics Book Value per Share Related Terms
East Tender Optoelectronics Book Value per Share Historical Data
* 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.
East Tender Optoelectronics Book Value per Share Chart
ROCO:6588 vs NVDA, AVGO, MU: Book Value per Share Comparison
For the Semiconductors subindustry, East Tender Optoelectronics'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.
East Tender Optoelectronics PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, East Tender Optoelectronics's PB Ratio distribution charts can be found below:
* The bar in red indicates where East Tender Optoelectronics's PB Ratio falls into.
* 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.
What does a Book Value per Share of NT$22.52 mean?
East Tender Optoelectronics (ROCO:6588) has a Book Value per Share of NT$22.52 as of Jun. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on East Tender Optoelectronics and its competitors.
Is East Tender Optoelectronics' Book Value per Share too high?
East Tender Optoelectronics' current Book Value per Share is NT$22.52. Overall, East Tender Optoelectronics has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does East Tender Optoelectronics' Book Value per Share compare to NVDA and AVGO?
East Tender Optoelectronics' Book Value per Share of NT$22.52 can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Book Value per Share for a Semiconductors company?
A good Book Value per Share depends on the Semiconductors industry context. However, Book Value per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on East Tender Optoelectronics and its competitors. East Tender Optoelectronics's current Book Value per Share is NT$22.52. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is East Tender Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, East Tender Optoelectronics (ROCO:6588) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$64.57, compared to a current price of NT$112.00 — trading 73.5% above its estimated fair value. The current Book Value per Share is NT$22.52. East Tender Optoelectronics' overall GF Score™ is 64/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For East Tender Optoelectronics (ROCO:6588), the current Book Value per Share is NT$22.52 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.
Is East Tender Optoelectronics (ROCO:6588) Overvalued in 2026?
Based on GuruFocus' analysis, East Tender Optoelectronics stock appears to be overvalued.
The current stock price of NT$112.00 is trading 73.5% above its estimated GF Value™ of NT$64.57.
GuruFocus considers East Tender Optoelectronics to be Significantly Overvalued.
Key valuation signals for ROCO:6588:
Book Value per Share: NT$22.52
GF Value™: NT$64.57 vs. price of NT$112.00 (73.5% above fair value)
No single metric tells the full story. See the ROCO:6588 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
East Tender Optoelectronics Corp is a Taiwan-based company engaged in developing and providing optical coating products and services. It offers narrow-band and broad-band filter chips.
64GF Score
Get the complete analysis for ROCO:6588
Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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