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 has many rivers and water bodies. All the rivers of the state flow into the Gulf of Mexico. The major rivers are: Lakes. The major lakes of Alabama are: 1  East Gulf Coastal Plain: More than two-thirds of Alabama is covered by the East Gulf Coastal Plain. 2  The area consists of lowlands and low ridges. 3  Between the southern and northern east Coastal Plain lies the Black Belt Prairie, which is home to many plantations.