Excelliance Mos (ROCO:5299) Beta: -0.4315 (As of Jul. 12, 2026)


ROCO:5299 Excelliance Mos Corp ROCO:5299
63 GF Score
Price NT$118.00
GF Value NT$73.89
Valuation Significantly Overvalued
! 9 Warning Signs
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What is Excelliance Mos Beta?

Excelliance Mos ROCO:5299 63 Beta is -0.4315 as of Jul. 12, 2026. GuruFocus rates ROCO:5299 with a GF Score™ of 63/100 and a GF Value™ of NT$73.89 (Significantly Overvalued). The stock has 9 warning signs investors should review.

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-07-12), Excelliance Mos's Beta is -0.4315.


Excelliance Mos  (ROCO:5299) 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)


Excelliance Mos Beta Related Terms


Excelliance Mos Beta Historical Data

* Premium members only.

The historical data trend for Excelliance Mos'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.

Excelliance Mos Beta Chart

Excelliance Mos 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 1.08 1.66 1.74 1.66 0.00

Excelliance Mos Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 0.00 0.00 0.00 0.00 0.00

ROCO:5299 vs NVDA, AVGO, MU: Beta Comparison

For the Semiconductors subindustry, Excelliance Mos'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.


Excelliance Mos Beta vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Excelliance Mos's Beta distribution charts can be found below:

* The bar in red indicates where Excelliance Mos's Beta falls into.


ROCO:5299
63GF Score
Excelliance Mos Corp ROCO:5299
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Excelliance Mos 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 -0.4315 mean?
Excelliance Mos (ROCO:5299) has a Beta of -0.4315 as of Jul. 12, 2026. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Excelliance Mos and its competitors.
Is Excelliance Mos' Beta too high?
Excelliance Mos' current Beta is -0.4315. Overall, Excelliance Mos has a GF Score™ of 63/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Excelliance Mos' Beta compare to NVDA and AVGO?
Excelliance Mos' Beta of -0.4315 can be compared against companies in the Semiconductors 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 Semiconductors company?
A good Beta depends on the Semiconductors 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 Excelliance Mos and its competitors. Excelliance Mos's current Beta is -0.4315. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Excelliance Mos stock overvalued right now?
Based on GuruFocus' analysis, Excelliance Mos (ROCO:5299) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$73.89, compared to a current price of NT$118.00 — trading 59.7% above its estimated fair value. The current Beta is -0.4315. Excelliance Mos' overall GF Score™ is 63/100 with 9 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 Excelliance Mos (ROCO:5299), the current Beta is -0.4315 as of Jul. 12, 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 Excelliance Mos (ROCO:5299) Overvalued in 2026?

Based on GuruFocus' analysis, Excelliance Mos stock appears to be overvalued. The current stock price of NT$118.00 is trading 59.7% above its estimated GF Value™ of NT$73.89. GuruFocus considers Excelliance Mos to be Significantly Overvalued.

Key valuation signals for ROCO:5299:

  • Beta: -0.4315
  • GF Value™: NT$73.89 vs. price of NT$118.00 (59.7% above fair value)
  • GF Score™: 63/100 with 9 warning signs

No single metric tells the full story. See the ROCO:5299 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Excelliance Mos Business Description

Address Taiyuan Street, No. 22, 4th Floor - 1, Hsinchu County, Jhubei, TWN, 302082
Excelliance Mos Corp is a power device and IC design company specializing in power semiconductor process development, high-efficiency power devices, integrated circuits, and system design, empowered by its vertically integrated capabilities. The company's product portfolio mainly includes Power MOSFETs, AC/DC integrated circuits, and AC/DC controllers. These products are mainly used in laptops, desktops, LCD TVs, monitors, digital cameras, cell phones, and other related products. Geographically, the company generates maximum revenue from Taiwan, and the rest from China and other markets.
63GF Score

Get the complete analysis for ROCO:5299

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

NT$118.00
Price
NT$73.89
GF Value