Bloomberg, available on select computers in the Business Library, allows you to calculate current and historical betas.

• <EQUITY>, type BETA and then hit GO.

See also Value Line Elite™ Service. For historical betas search Value Line investment survey in InfoHawk+. The historical versions are in print; sign in with your HawkID and password to request issues.

For further information, try Betas by Sector created by Aswath Damodaran at NYU.