Eris Technology (ROCO:3675) Beta: -0.7451 (As of Jun. 27, 2026)


ROCO:3675 Eris Technology Corp ROCO:3675
84 GF Score
Price NT$359.50
GF Value NT$285.15
Valuation Modestly Overvalued
! 5 Warning Signs
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What is Eris Technology Beta?

Eris Technology ROCO:3675 -6.74% 84 Beta is -0.7451 as of Jun. 27, 2026. GuruFocus rates ROCO:3675 with a GF Score™ of 84/100 and a GF Value™ of NT$285.15 (Modestly Overvalued). The stock has 5 warning signs investors should review.

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-06-27), Eris Technology's Beta is -0.7451.


Eris Technology  (ROCO:3675) 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)


Eris Technology Beta Related Terms


Eris Technology Beta Historical Data

* Premium members only.

The historical data trend for Eris Technology'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.

Eris Technology Beta Chart

Eris Technology 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 1.34 1.61 1.67 1.52 0.00

Eris Technology 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 1.52 0.00 0.00 0.00 0.00

ROCO:3675 vs APH, GLW, TEL: Beta Comparison

For the Electronic Components subindustry, Eris Technology'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.


Eris Technology Beta vs Hardware Industry

For the Hardware industry and Technology sector, Eris Technology's Beta distribution charts can be found below:

* The bar in red indicates where Eris Technology's Beta falls into.


ROCO:3675
84GF Score
Eris Technology Corp ROCO:3675
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
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Eris Technology 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 -0.7451 mean?
Eris Technology (ROCO:3675) has a Beta of -0.7451 as of Jun. 27, 2026. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Eris Technology and its competitors.
Is Eris Technology's Beta too high?
Eris Technology's current Beta is -0.7451. Overall, Eris Technology has a GF Score™ of 84/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Eris Technology's Beta compare to APH and GLW?
Eris Technology's Beta of -0.7451 can be compared against companies in the Hardware 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 Hardware company?
A good Beta depends on the Hardware 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 Eris Technology and its competitors. Eris Technology's current Beta is -0.7451. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Eris Technology stock overvalued right now?
Based on GuruFocus' analysis, Eris Technology (ROCO:3675) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$285.15, compared to a current price of NT$359.50 — trading 26.1% above its estimated fair value. The current Beta is -0.7451. Eris Technology's overall GF Score™ is 84/100 with 5 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 Eris Technology (ROCO:3675), the current Beta is -0.7451 as of Jun. 27, 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 Eris Technology (ROCO:3675) Overvalued in 2026?

Based on GuruFocus' analysis, Eris Technology stock appears to be overvalued. The current stock price of NT$359.50 is trading 26.1% above its estimated GF Value™ of NT$285.15. GuruFocus considers Eris Technology to be Modestly Overvalued.

Key valuation signals for ROCO:3675:

  • Beta: -0.7451
  • GF Value™: NT$285.15 vs. price of NT$359.50 (26.1% above fair value)
  • GF Score™: 84/100 with 5 warning signs

No single metric tells the full story. See the ROCO:3675 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Eris Technology Business Description

Address Section 3, Beishen Road, 222 6th Floor, No. 17, Lane 155, Shenkeng District, New Taipei City, TWN, 22203
Eris Technology Corp manufactures tests and sells rectifier diodes, wafers and light-emitting diodes. The Company mainly manufactures tests and sells rectifier diodes, wafers, and a light-emitting diode. Its products include Schottky Diodes, TVS Diodes, Zener Diodes, Bridge Diodes, Wafers, LEDs, and relevant devices. It operates in two departments. Eris Technology and Jie Cheng - mainly manufacturing and selling in diodes, Yea Shin - mainly manufacturing and selling in wafers and SeCos - mainly R&D, design and sales of diodes, ICs, heat sinks and chips. The majority is from Eris Technology and Jie Cheng. Geographically, it operates in Taiwan, Asia, Europe, North USA, and Australia, out of which the majority is from Taiwan.
84GF Score

Get the complete analysis for ROCO:3675

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

NT$359.50
Price
NT$285.15
GF Value