DEFINITION of 'Beta'. Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. Beta is used in the capital asset pricing model (CAPM), a model that calculates the expected return of an asset based on its beta and expected market returns.
The Gulf of Mexico is bounded by five U.S. states. The following is a list of the five Gulf states and some information about each. Alabama is a state located in the southeastern United States. It has an area of 52,419 square miles (135,765 sq km) and a 2008 population of 4,4661,900. Its largest cities are Birmingham, Montgomery and Mobile. Alabama is bordered by Tennessee to the north, Georgia to the east, Florida to the south and Mississippi to the west.
Alabama, with over 4,000 species of native or naturalized pteridophytes and seed plants, is the fifth most floristically diverse state in the United States. The Alabama Plant Atlas provides a source of information for each species including the distribution within the state using historical and recent data.he Alabama Herbarium Consortium was unofficially established as the Flora of Alabama Checklist Committee in 2001 in order to create a checklist of all vascular plant species that occur in the state. The AHC is composed of state herbaria and affiliated staff that curate a wealth of data detailing the flora of Alabama.