Sourcesort descending Coverage Frequency Geography Notes
Bloomberg Latest and Historical D, W, M, Q, A Global
CRSP Latest and Historical A
Datastream Latest** M

Compiled based on 2.5 years of stock performance data. Type of request: static for Excel Add-In. To retrieve in Datastream, choose: Single Series - Overview > Overview of any Series.

** Historic beta is available in DS Navigator in quick display panel when click on equity name in Navigator. Can export only as image.

Thomson ONE (IE Browser only) Latest

The beta coefficient is computed from data over the past seven years -- more than 1300 observations of daily price changes are used.