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Find the Beta of CSX

What is the estimated beta coefficient of CSX? What does this beta mean in terms of CSX to include them in my overall portfolio?

The estimated beta coefficient on CSX is 1.24. It is used to determine the underlying volatility in the stock. In general, when you see a beta factor greater than 1.0 this is an indication that the security is more volatile than the stock market average. In the case of CSX, the reading of 1.24 indicates that the stock is 24% more volatile than the major stock market averages. This will increase the overall amounts of volatility in the portfolio. While providing, a way to see above average returns, because of the increased volatility. ("Beta," 2010)

Given the beta of CSX, the present yield to maturity on U.S. government bonds maturing in one year (currently about 4.5% annually) and an assessment that the market risk premium (that is - the difference between the expected rate of return on the 'market portfolio' and the risk free rate of interest) is 6.5%, use the CAPM equation in order to find out what is the present 'cost of equity' of CSX? Explain what is the meaning of the 'cost of equity'.The CAPM equation is designed, to determine the underlying amount of risk of investing in a particular security. Under this equation, the overall risks are determined by taking:

Risk Free Return + the Beta (Expected Market Return -- Risk Free Return) = Risk Premium

Applying this information to CSX you would have a market risk premium of 2.57%. This was calculated by taking:

.045 + 1.24 (.065 - .045) = .0257 x 100 = 2.57%. ("Capital Asset Pricing Model," 2010)

The cost of equity is the required return that investors are seeking for owning the stock. ("Cost of Equity," 2010) This number is calculated using the following formula:

Dividends / Price of the….....