Sung Gang (ROCO:6240) Beta: -0.9776 (As of Jul. 20, 2026)

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:6240 Sung Gang Corp Ltd ROCO:6240
69 GF Score
Price NT$18.05
GF Value NT$26.12
Valuation Possible Value Trap
! 3 Warning Signs
View Full Analysis

What is Sung Gang Beta?

Sung Gang ROCO:6240 -2.70% 69 Beta is -0.9776 as of Jul. 20, 2026. GuruFocus rates ROCO:6240 with a GF Score™ of 69/100 and a GF Value™ of NT$26.12 (Possible Value Trap). The stock has 3 warning signs investors should review.

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-07-20), Sung Gang's Beta is -0.9776.


Sung Gang  (ROCO:6240) 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)


Sung Gang Beta Related Terms


Sung Gang Beta Historical Data

* Premium members only.

The historical data trend for Sung Gang'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.

Sung Gang Beta Chart

Sung Gang 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 0.85 0.79 0.94 0.55 0.00

Sung Gang 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 0.55 0.00 0.00 0.00 0.00

ROCO:6240 vs NYT, WLY: Beta Comparison

For the Publishing subindustry, Sung Gang'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.


Sung Gang Beta vs Media - Diversified Industry

For the Media - Diversified industry and Communication Services sector, Sung Gang's Beta distribution charts can be found below:

* The bar in red indicates where Sung Gang's Beta falls into.


ROCO:6240
69GF Score
Sung Gang Corp Ltd ROCO:6240
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Sung Gang 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 -0.9776 mean?
Sung Gang (ROCO:6240) has a Beta of -0.9776 as of Jul. 20, 2026. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Sung Gang and its competitors.
Is Sung Gang's Beta too high?
Sung Gang's current Beta is -0.9776. Overall, Sung Gang has a GF Score™ of 69/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Sung Gang's Beta compare to NYT and WLY?
Sung Gang's Beta of -0.9776 can be compared against companies in the Media - Diversified 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 Media - Diversified company?
A good Beta depends on the Media - Diversified 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 Sung Gang and its competitors. Sung Gang's current Beta is -0.9776. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sung Gang stock overvalued right now?
Based on GuruFocus' analysis, Sung Gang (ROCO:6240) is currently considered Possible Value Trap. The stock's GF Value™ is NT$26.12, compared to a current price of NT$18.05 — trading 30.9% below its estimated fair value. The current Beta is -0.9776. Sung Gang's overall GF Score™ is 69/100 with 3 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 Sung Gang (ROCO:6240), the current Beta is -0.9776 as of Jul. 20, 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 Sung Gang (ROCO:6240) Overvalued in 2026?

Based on GuruFocus' analysis, Sung Gang stock appears to be undervalued. The current stock price of NT$18.05 is trading 30.9% below its estimated GF Value™ of NT$26.12. GuruFocus considers Sung Gang to be Possible Value Trap.

Key valuation signals for ROCO:6240:

  • Beta: -0.9776
  • GF Value™: NT$26.12 vs. price of NT$18.05 (30.9% below fair value)
  • GF Score™: 69/100 with 3 warning signs

No single metric tells the full story. See the ROCO:6240 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Sung Gang Business Description

Address No. 50, Zhongxiao West Road, 100, 9th Floor, Section 1, Zhongzheng District, Taipei, TWN
Sung Gang Corp Ltd publishes computer related books. The company is also involved in the wholesale of information software and leasing industry. Its products portfolio include Information technology books, Commercial software, Application software, and Computer skill test.
69GF Score

Get the complete analysis for ROCO:6240

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

NT$18.05
Price
NT$26.12
GF Value