Unicon Optical Co (ROCO:4150) Beta: -0.3075 (As of Jul. 15, 2026)

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ROCO:4150 Unicon Optical Co Ltd ROCO:4150
46 GF Score
Price NT$5.00
GF Value NT$8.20
Valuation Possible Value Trap
! 6 Warning Signs
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What is Unicon Optical Co Beta?

Unicon Optical Co ROCO:4150 -1.77% 46 Beta is -0.3075 as of Jul. 15, 2026. GuruFocus rates ROCO:4150 with a GF Score™ of 46/100 and a GF Value™ of NT$8.20 (Possible Value Trap). The stock has 6 warning signs investors should review.

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-07-15), Unicon Optical Co's Beta is -0.3075.


Unicon Optical Co  (ROCO:4150) 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)


Unicon Optical Co Beta Related Terms


Unicon Optical Co Beta Historical Data

* Premium members only.

The historical data trend for Unicon Optical 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.

Unicon Optical Co Beta Chart

Unicon Optical 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 1.65 0.96 0.49 0.75 0.00

Unicon Optical Co Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 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 0.49 0.71 0.75 0.00 0.00

ROCO:4150 vs ISRG, BDX, MDLN: Beta Comparison

For the Medical Instruments & Supplies subindustry, Unicon Optical 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.


Unicon Optical Co Beta vs Medical Devices & Instruments Industry

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

* The bar in red indicates where Unicon Optical Co's Beta falls into.


ROCO:4150
46GF Score
Unicon Optical Co Ltd ROCO:4150
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Unicon Optical 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 -0.3075 mean?
Unicon Optical Co (ROCO:4150) has a Beta of -0.3075 as of Jul. 15, 2026. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Unicon Optical Co and its competitors.
Is Unicon Optical Co's Beta too high?
Unicon Optical Co's current Beta is -0.3075. Overall, Unicon Optical Co has a GF Score™ of 46/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Unicon Optical Co's Beta compare to ISRG and BDX?
Unicon Optical Co's Beta of -0.3075 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 Unicon Optical Co and its competitors. Unicon Optical Co's current Beta is -0.3075. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Unicon Optical Co stock overvalued right now?
Based on GuruFocus' analysis, Unicon Optical Co (ROCO:4150) is currently considered Possible Value Trap. The stock's GF Value™ is NT$8.20, compared to a current price of NT$5.00 — trading 39% below its estimated fair value. The current Beta is -0.3075. Unicon Optical Co's overall GF Score™ is 46/100 with 6 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 Unicon Optical Co (ROCO:4150), the current Beta is -0.3075 as of Jul. 15, 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 Unicon Optical Co (ROCO:4150) Overvalued in 2026?

Based on GuruFocus' analysis, Unicon Optical Co stock appears to be undervalued. The current stock price of NT$5.00 is trading 39% below its estimated GF Value™ of NT$8.20. GuruFocus considers Unicon Optical Co to be Possible Value Trap.

Key valuation signals for ROCO:4150:

  • Beta: -0.3075
  • GF Value™: NT$8.20 vs. price of NT$5.00 (39% below fair value)
  • GF Score™: 46/100 with 6 warning signs

No single metric tells the full story. See the ROCO:4150 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Unicon Optical Co Business Description

Address No. 16, Dongjiu Road, Science-Based Industrial Park, Hsinchu Hsien, TWN, 30075
Unicon Optical Co Ltd is engaged in the manufacture and sale of a contact lens in Taiwan and internationally. It offers disposable contact lens, spherical contact lens, color, and dual color lenses.
46GF Score

Get the complete analysis for ROCO:4150

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

NT$5.00
Price
NT$8.20
GF Value