Bioray Biotech Co (ROCO:7561) ROE % Adjusted to Book Value: 4.29% (As of Dec. 2025)


ROCO:7561 Bioray Biotech Co Ltd ROCO:7561
83 GF Score
Price NT$18.10
GF Value NT$29.50
Valuation Significantly Undervalued
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What is Bioray Biotech Co ROE % Adjusted to Book Value?

Bioray Biotech Co ROCO:7561 83 ROE % Adjusted to Book Value is 4.29% as of Dec. 2025. GuruFocus rates ROCO:7561 with a GF Score™ of 83/100 and a GF Value™ of NT$29.50 (Significantly Undervalued).

Bioray Biotech Co's ROE % for the quarter that ended in Dec. 2025 was 5.83%. Bioray Biotech Co's PB Ratio for the quarter that ended in Dec. 2025 was 1.36. Bioray Biotech Co's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was 4.29%.

Bioray Biotech Co ROE % Adjusted to Book Value Related Terms

Bioray Biotech Co ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Bioray Biotech Co's ROE % Adjusted to Book Value 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.

Bioray Biotech Co ROE % Adjusted to Book Value Chart

Bioray Biotech Co Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only -0.56 0.06 -1.25 0.15 5.43

Bioray Biotech Co Semi-Annual Data
Dec17 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -1.22 -2.21 3.59 5.81 4.29

ROCO:7561 vs ZTS, UTHR: ROE % Adjusted to Book Value Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Bioray Biotech Co's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value 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.

Bioray Biotech Co ROE % Adjusted to Book Value vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Bioray Biotech Co's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Bioray Biotech Co's ROE % Adjusted to Book Value falls into.


ROCO:7561
83GF Score
Bioray Biotech Co Ltd ROCO:7561
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Bioray Biotech Co ROE % Adjusted to Book Value Calculation

Bioray Biotech Co's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=7.38% / 1.36
=5.43%

Bioray Biotech Co's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=5.83% / 1.36
=4.29%

* 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 ROE % Adjusted to Book Value of 4.29% mean?
Bioray Biotech Co (ROCO:7561) has a ROE % Adjusted to Book Value of 4.29% as of Dec. 2025. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Bioray Biotech Co and its competitors.
Is Bioray Biotech Co's ROE % Adjusted to Book Value too high?
Bioray Biotech Co's current ROE % Adjusted to Book Value is 4.29%. Overall, Bioray Biotech Co has a GF Score™ of 83/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Bioray Biotech Co's ROE % Adjusted to Book Value compare to ZTS and UTHR?
Bioray Biotech Co's ROE % Adjusted to Book Value of 4.29% can be compared against companies in the Drug Manufacturers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for a Drug Manufacturers company?
A good ROE % Adjusted to Book Value depends on the Drug Manufacturers industry context. However, ROE % Adjusted to Book Value 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 ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Bioray Biotech Co and its competitors. Bioray Biotech Co's current ROE % Adjusted to Book Value is 4.29%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Bioray Biotech Co stock overvalued right now?
Based on GuruFocus' analysis, Bioray Biotech Co (ROCO:7561) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$29.50, compared to a current price of NT$18.10 — trading 38.6% below its estimated fair value. The current ROE % Adjusted to Book Value is 4.29%. Bioray Biotech Co's overall GF Score™ is 83/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Bioray Biotech Co (ROCO:7561), the current ROE % Adjusted to Book Value is 4.29% as of Dec. 2025. 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 Bioray Biotech Co (ROCO:7561) Overvalued in 2026?

Based on GuruFocus' analysis, Bioray Biotech Co stock appears to be undervalued. The current stock price of NT$18.10 is trading 38.6% below its estimated GF Value™ of NT$29.50. GuruFocus considers Bioray Biotech Co to be Significantly Undervalued.

Key valuation signals for ROCO:7561:

  • ROE % Adjusted to Book Value: 4.29%
  • GF Value™: NT$29.50 vs. price of NT$18.10 (38.6% below fair value)
  • GF Score™: 83/100

No single metric tells the full story. See the ROCO:7561 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Bioray Biotech Co Business Description

Address No. 1, Dali 2nd Road, Southern Science Park, Shanhua District, Tainan, TWN, 90846
Bioray Biotech Co Ltd is engaged in the development and manufacturing of biological agents, including functional probiotics, medicinal fungi, and immune cell preparations.
83GF Score

Get the complete analysis for ROCO:7561

ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$18.10
Price
NT$29.50
GF Value