Bioray Biotech Co (ROCO:7561) PEG Ratio: 0.72 (As of Jul. 18, 2026) — Near Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:7561 Bioray Biotech Co Ltd ROCO:7561
81 GF Score
Price NT$20.00
GF Value NT$29.52
Valuation Significantly Undervalued
View Full Analysis

What is Bioray Biotech Co PEG Ratio?

Bioray Biotech Co ROCO:7561 -2.68% 81 PEG Ratio is 0.72 as of Jul. 18, 2026, which is 9% below its 10-year median of 0.79. GuruFocus rates ROCO:7561 with a GF Score™ of 81/100 and a GF Value™ of NT$29.52 (Significantly Undervalued). Among 348 Drug Manufacturers companies, Bioray Biotech Co ranks better than 79.89% on this metric.

PE Ratio without NRI / 5-Year EBITDA Growth Rate*

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, Bioray Biotech Co's PE Ratio without NRI is 18.40. Bioray Biotech Co's 5-Year EBITDA growth rate is 25.60%. Therefore, Bioray Biotech Co's PEG Ratio for today is 0.72.

* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.


The historical rank and industry rank for Bioray Biotech Co's PEG Ratio or its related term are showing as below:

ROCO:7561' s PEG Ratio Range Over the Past 10 Years
Min: 0.65   Med: 0.79   Max: 0.9
Current: 0.72


During the past 9 years, Bioray Biotech Co's highest PEG Ratio was 0.90. The lowest was 0.65. And the median was 0.79.


ROCO:7561's PEG Ratio is ranked better than
79.89% of 348 companies
in the Drug Manufacturers industry
Industry Median: 1.715 vs ROCO:7561: 0.72

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Bioray Biotech Co  (ROCO:7561) PEG Ratio Explanation

To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.


Bioray Biotech Co PEG Ratio Related Terms


Bioray Biotech Co PEG Ratio Historical Data

* Premium members only.

The historical data trend for Bioray Biotech Co's PEG 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.

Bioray Biotech Co PEG Ratio Chart

Bioray Biotech Co Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only 0.00 0.00 0.00 0.00 0.75

Bioray Biotech Co Semi-Annual Data
Dec17 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
PEG Ratio 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 0.00 0.00 0.00 0.00 0.75

ROCO:7561 vs ZTS, UTHR: PEG Ratio Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Bioray Biotech Co's PEG Ratio, along with its competitors' market caps and PEG 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.


Bioray Biotech Co PEG Ratio vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Bioray Biotech Co's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Bioray Biotech Co's PEG Ratio falls into.


ROCO:7561
81GF Score
Bioray Biotech Co Ltd ROCO:7561
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Bioray Biotech Co PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Bioray Biotech Co's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=18.399264029439/25.60
=0.72

* 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.

* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.

Frequently Asked Questions Learn more about PEG Ratio →
What does a PEG Ratio of 0.72 mean?
Bioray Biotech Co (ROCO:7561) has a PEG Ratio of 0.72 as of Jul. 18, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Bioray Biotech Co and its competitors. This is near median its historical median of 0.79. Over the past decade, Bioray Biotech Co's PEG Ratio has ranged from 0.65 to 0.90. According to the industry distribution chart, Bioray Biotech Co ranks #70 out of 348 companies in the Drug Manufacturers industry, placing it in the top 20.1%.
Is Bioray Biotech Co's PEG Ratio too high?
Bioray Biotech Co's current PEG Ratio of 0.72 is near median its 10-year median of 0.79. Over the past 10 years, this metric has ranged from a low of 0.65 to a high of 0.90. The Drug Manufacturers industry median PEG Ratio is 1.72. Bioray Biotech Co's value of 0.72 is 58% below this industry median. Based on the distribution chart, Bioray Biotech Co ranks #70 out of 348 companies in the Drug Manufacturers industry, which is in the top quartile — a strong position relative to peers. Overall, Bioray Biotech Co has a GF Score™ of 81/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Bioray Biotech Co's PEG Ratio compare to ZTS and UTHR?
According to the Drug Manufacturers industry distribution chart, Bioray Biotech Co ranks #70 out of 348 companies for PEG Ratio. This places Bioray Biotech Co in the top 20% of its industry — outperforming the majority of peers. The industry median PEG Ratio is 1.72. Bioray Biotech Co's value of 0.72 is 58% below this benchmark. Historically, Bioray Biotech Co's own PEG Ratio has ranged from 0.65 to 0.90 over the past decade. While the company's 10-year median is 0.79 vs. the industry median of 1.72, Bioray Biotech Co 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 PEG Ratio for a Drug Manufacturers company?
The median PEG Ratio among Drug Manufacturers companies is 1.72, based on 348 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Bioray Biotech Co's current PEG Ratio of 0.72 is 58% 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Bioray Biotech Co and its competitors. For the Drug Manufacturers industry, the median PEG Ratio is 1.72 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Bioray Biotech Co's current PEG Ratio is 0.72, which is near median its own 10-year median of 0.79. 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$29.52, compared to a current price of NT$20.00 — trading 32.2% below its estimated fair value. The current PEG Ratio is 0.72, which is near median its 10-year median of 0.79 and 58% below the Drug Manufacturers industry median of 1.72. Bioray Biotech Co's overall GF Score™ is 81/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For Bioray Biotech Co (ROCO:7561), the current PEG Ratio is 0.72 as of Jul. 18, 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 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$20.00 is trading 32.2% below its estimated GF Value™ of NT$29.52. GuruFocus considers Bioray Biotech Co to be Significantly Undervalued.

Key valuation signals for ROCO:7561:

  • PEG Ratio: 0.72 (near median its 10-year median of 0.79)
  • GF Value™: NT$29.52 vs. price of NT$20.00 (32.2% below fair value)
  • GF Score™: 81/100
  • Industry Position: 58% below the Drug Manufacturers median (#70 of 348)

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.
81GF Score

Get the complete analysis for ROCO:7561

PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$20.00
Price
NT$29.52
GF Value