OK Biotech Co (TPE:4155) Beta: -0.3195 (As of Jun. 25, 2026)


TPE:4155 OK Biotech Co Ltd TPE:4155
60 GF Score
Price NT$15.00
GF Value NT$27.28
Valuation Possible Value Trap
! 7 Warning Signs
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What is OK Biotech Co Beta?

OK Biotech Co TPE:4155 60 Beta is -0.3195 as of Jun. 25, 2026. GuruFocus rates TPE:4155 with a GF Score™ of 60/100 and a GF Value™ of NT$27.28 (Possible Value Trap). The stock has 7 warning signs investors should review.

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-06-25), OK Biotech Co's Beta is -0.3195.


OK Biotech Co  (TPE:4155) Beta Explanation

Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. We usually compare beta to 1. A beta of 1 indicates that the security's price will move with the market. A beta of less than 1 means that the security will be less volatile than the market. A beta of greater than 1 indicates that the security's price will be more volatile than the market.

Beta is primarily used in the Capital Asset Pricing Model (CAPM) to calculate the Cost of Equity, which can be used in the calculation of WACC %. The formula of Cost of Equity is:
Cost of Equity = Risk-Free Rate of Return + Beta of Asset * (Expected Return of the Market - Risk-Free Rate of Return)


OK Biotech Co Beta Related Terms


OK Biotech Co Beta Historical Data

* Premium members only.

The historical data trend for OK Biotech Co's Beta 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.

OK Biotech Co Beta Chart

OK Biotech Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beta
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.57 0.40 0.49 0.38 0.00

OK Biotech Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Beta 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 Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.38 0.00 0.00 0.00 0.00

TPE:4155 vs ABT, SYK, MDT: Beta Comparison

For the Medical Devices subindustry, OK Biotech Co's Beta, along with its competitors' market caps and Beta 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.


OK Biotech Co Beta vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, OK Biotech Co's Beta distribution charts can be found below:

* The bar in red indicates where OK Biotech Co's Beta falls into.


TPE:4155
60GF Score
OK Biotech Co Ltd TPE:4155
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
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OK Biotech Co Beta Calculation

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. A stock's beta can be calculated by dividing the product of the covariance of the individual stock's returns and the market's returns by the variance of the market's returns over a specified period. Basically, GuruFocus uses the returns calculated over three-year period.

Frequently Asked Questions Learn more about Beta →
What does a Beta of -0.3195 mean?
OK Biotech Co (TPE:4155) has a Beta of -0.3195 as of Jun. 25, 2026. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for OK Biotech Co and its competitors.
Is OK Biotech Co's Beta too high?
OK Biotech Co's current Beta is -0.3195. Overall, OK Biotech Co has a GF Score™ of 60/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does OK Biotech Co's Beta compare to ABT and SYK?
OK Biotech Co's Beta of -0.3195 can be compared against companies in the Medical Devices & Instruments industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beta for a Medical Devices & Instruments company?
A good Beta depends on the Medical Devices & Instruments industry context. However, Beta 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 Beta mean?
A high Beta can signal that a stock is expensive relative to its fundamentals. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for OK Biotech Co and its competitors. OK Biotech Co's current Beta is -0.3195. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is OK Biotech Co stock overvalued right now?
Based on GuruFocus' analysis, OK Biotech Co (TPE:4155) is currently considered Possible Value Trap. The stock's GF Value™ is NT$27.28, compared to a current price of NT$15.00 — trading 45% below its estimated fair value. The current Beta is -0.3195. OK Biotech Co's overall GF Score™ is 60/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Beta calculated?
Beta is calculated from a company's financial statements. For OK Biotech Co (TPE:4155), the current Beta is -0.3195 as of Jun. 25, 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 OK Biotech Co (TPE:4155) Overvalued in 2026?

Based on GuruFocus' analysis, OK Biotech Co stock appears to be undervalued. The current stock price of NT$15.00 is trading 45% below its estimated GF Value™ of NT$27.28. GuruFocus considers OK Biotech Co to be Possible Value Trap.

Key valuation signals for TPE:4155:

  • Beta: -0.3195
  • GF Value™: NT$27.28 vs. price of NT$15.00 (45% below fair value)
  • GF Score™: 60/100 with 7 warning signs

No single metric tells the full story. See the TPE:4155 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


OK Biotech Co Business Description

Address Gongdao 5th Road, Section 2, No. 91, Hsinchu, TWN, 30070
OK Biotech Co Ltd is mainly engaged in the manufacturing, wholesale, and retail of electronic materials and medical equipment. Its product portfolio comprises blood glucose monitoring systems, OTC hearing aids, multi-frequency therapy devices, and others. Geographically, the company generates the majority of its revenue from America, and the rest from Asia (excluding Taiwan), Africa, Europe, and Taiwan.
60GF Score

Get the complete analysis for TPE:4155

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

NT$15.00
Price
NT$27.28
GF Value