Homepage / A beginner’s guide to sourcing a company Beta
A beginner’s guide to sourcing a company Beta
Beta is the measurement of a company’s common stock price volatility relative to the market. If you’re trying to find a current beta for a company there are a number of places to look. These include:
Thomson One (easiest place to start)
Please bear in mind that the figures may vary slightly depending on the source although the trend should be the same. The differences will be due to the way in which the betas have been calculated. A methodology should be available within each resource.
If you have any questions about betas or sourcing any other financial ratios, please ask any member of MIRC staff. Email us on email@example.com or come in and see us.
Please note that access to Thomson One is currently only accessible from off-campus via the VMWare Horizon Client. Please see our blog post for more details.
To find the historical company Beta on Thomson One for global companies:
Select ‘Company Views’ on the top dark blue tool bar
Enter the name of the company, e.g. BP, in the search box below the pale blue tool bar
Press enter or click on ‘Go’
The Company Overview is displayed and the Beta can be found in the ‘Market Data’ section. To see a definition of how the Beta has been calculated, click on the square icon to the right of the words “Beta (Historical)”.
Thomson One works with Internet Explorer only. Please also remember to disable your popup blocker before running any searches.
Type Beta at the command prompt. Do not hit enter.
You will see Functions, Securities and Search information displayed.
To see the full range of information and help about Betas on Bloomberg, select ‘Beta: Definition’ from within the Search area (at the bottom of the menus).
Finding the Current Beta for a listed company
Enter the name of the company you wish to view followed by Beta e.g. BP BETA. Do not hit enter.
From the bottom of the menus, select ‘Search BP Beta’.
The adjusted beta of BP will be displayed and links are given to the historical beta and regression analysis.
Finding the Historical (Raw) Beta
From the Current Beta screen, clicking on Historical Beta takes you to a screen displaying a graph and additional data including the raw beta.
Using the orange boxes on this screen you can change the date range, company, index, lag, etc.
FAME provides company Betas for UK and Irish companies only. Betas are calculated with reference to five key UK indices: FTSE 100, FTSE 250, FTSE 350, FTSE AIM 100 and FTSE All-Share. To find the figures:
Enter the company name in the search box and select from the dropdown options to open the company profile.
Open the Table of Contents by clicking on the dots icon on the right.
From the Table of Contents, open the ‘Stock’ menu and select the option for ‘Beta and Price Volatility’.
The Beta screen will offer you figures for 1 month, 3 months and 1, 3 and 5 years for each of the indices available.
This section can then be exported into PDF or Excel using the on-screen options.
Factiva is primarily a source of worldwide news but also includes a section on Companies/Markets which provides financial information for public companies globally and some private companies. Using this part of Factiva you can find both company and industry Betas.
To find the company and industry beta for any company:
Hover over Companies/Markets on the menu bar and then select ‘Company’.
Type your company name in the search box and select from the options
From the Overview page, select ‘Reports’ from the left hand menu and then choose ‘Ratio Comparison Report’.
Datastream provides current betas and pre-formatted expressions to calculate historical betas for quoted companies around the world. In order for Datastream to display Beta calculations, at least 2½ years of data are required. Data is not held historically although it is possible to use formulae to calculate historic Betas.
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