CBUMY (China National Building Material Co) Beta: 0.5501 (As of Jun. 25, 2026)


CBUMY China National Building Material Co Ltd CBUMY
67 GF Score
Price $32.81
GF Value $22.07
Valuation Significantly Overvalued
! 9 Warning Signs
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What is China National Building Material Co Beta?

China National Building Material Co CBUMY 67 Beta is 0.5501 as of Jun. 25, 2026. GuruFocus rates CBUMY with a GF Score™ of 67/100 and a GF Value™ of $22.07 (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 (2026-06-25), China National Building Material Co's Beta is 0.5501.


China National Building Material Co  (OTCPK:CBUMY) 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)


China National Building Material Co Beta Related Terms


China National Building Material Co Beta Historical Data

* Premium members only.

The historical data trend for China National Building Material 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.

China National Building Material Co Beta Chart

China National Building Material 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 0.88 0.46 0.34 0.21 0.03

China National Building Material Co Quarterly Data
Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 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 0.21 0.26 0.42 -0.07 0.03

CBUMY vs CRH, VMC, MLM: Beta Comparison

For the Building Materials subindustry, China National Building Material 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.


China National Building Material Co Beta vs Building Materials Industry

For the Building Materials industry and Basic Materials sector, China National Building Material Co's Beta distribution charts can be found below:

* The bar in red indicates where China National Building Material Co's Beta falls into.


CBUMY
67GF Score
China National Building Material Co Ltd CBUMY
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
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China National Building Material 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 0.5501 mean?
China National Building Material Co (CBUMY) has a Beta of 0.5501 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 China National Building Material Co and its competitors.
Is China National Building Material Co's Beta too high?
China National Building Material Co's current Beta is 0.5501. Overall, China National Building Material Co has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does China National Building Material Co's Beta compare to CRH and VMC?
China National Building Material Co's Beta of 0.5501 can be compared against companies in the Building Materials 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 Building Materials company?
A good Beta depends on the Building Materials 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 China National Building Material Co and its competitors. China National Building Material Co's current Beta is 0.5501. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is China National Building Material Co stock overvalued right now?
Based on GuruFocus' analysis, China National Building Material Co (CBUMY) is currently considered Significantly Overvalued. The stock's GF Value™ is $22.07, compared to a current price of $32.81 — trading 48.7% above its estimated fair value. The current Beta is 0.5501. China National Building Material Co's overall GF Score™ is 67/100 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 China National Building Material Co (CBUMY), the current Beta is 0.5501 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 China National Building Material Co (CBUMY) Overvalued in 2026?

Based on GuruFocus' analysis, China National Building Material Co stock appears to be overvalued. The current stock price of $32.81 is trading 48.7% above its estimated GF Value™ of $22.07. GuruFocus considers China National Building Material Co to be Significantly Overvalued.

Key valuation signals for CBUMY:

  • Beta: 0.5501
  • GF Value™: $22.07 vs. price of $32.81 (48.7% above fair value)
  • GF Score™: 67/100 with 9 warning signs

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


China National Building Material Co Business Description

Address No. 17 Fuxing Road, 21st Floor, Tower 2 (Building B), Guohai Plaza, Haidian District, Beijing, CHN, 100036
China National Building Material Co Ltd. is a state-owned building material holding company. It has three reportable segments: Basic building materials segment, New materials segment, and Engineering technology service segment. The company's majority of revenue is from the Basic building materials segment. Geographically, the company operates in the PRC, Asia, Europe, the Middle East, Africa, the Americas, and other regions, with the maximum revenue from the PRC and Africa.
67GF Score

Get the complete analysis for CBUMY

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

$32.81
Price
$22.07
GF Value