Beta measures the volatility of a security or a portfolio relative to a market benchmark. Beta, represented by the Greek lowercase letter β, is also used in the formula for the weighted average ...

In nuclear beta decay an up quark ‘u’ in a proton converts into an up down quark ‘d,’ turning the proton into a neutron and emitting a positron and a neutrino. This work affects ...

Some comparisons of different obligations require a beta calculation that is stripped of the impact of debt. This process is called "unlevering the beta." Companies weigh the cost of projects and ...