Please complete the following discussion questions and cite your sources

Please complete the following discussion questions and cite your sources in APA Format. This is due tomorrow.

The required return on a common stock can be computed using the Capital Asset Pricing Model (CAPM). This model was developed in the 1960’s and was largely credited to William Sharpe, who won a Nobel Prize for his contribution in 1990.  The CAPM uses statistical analysis to relate the risk of an individual stock to its expected return. The premise is that investors must be compensated for the time value of money and the risk of undertaking the investment.

The formula for the CAPM is expressed as:    RSTOCK = RRF + β( RM – RRF)

RSTOCK = the Return of the individual security
RRF = the Risk-free rate of return (usually the going rate on short-term Treasury Bills)
β = the beta coefficient, a measure of riskiness of the stock relative to the riskiness of the market. A beta of 1 means that the stock has the same level of risk as the overall market. A beta of less than 1 means less risk than the overall market, and more than 1 means it is more risky.
RM = the Return of the market

For example, using this model we can compute the required return for IBM stock if we know a few things. We must know:

  1. The going rate on Short-term Treasury Bills. This approximates the Risk-free rate.
  2. The rate of return for the S&P 500. This is traditionally used to approximate the Return of the market.
  3. The beta coefficient of the stock. This can be computed using the historical rates of return for the individual stock and the historical rates of return for the market using a regression analysis. Or, you can look it up on!

Let’s assume that the Risk-free rate is 3%, the Return of the S&P is 10%, and the Beta for IBM is 0.9. Here’s our calculation:

RIBM = 3% + 0.9(10% –3%) = 9%

This means that IBM must have a 9% return in order to compensate investors for putting their money in IBM stock instead of elsewhere.


  1. Select a publicly-traded company.
  2. Go to Enter the company’s stock symbol in the “Get Quotes” box. If you do not know the stock symbol, you can enter the company’s name in the search tool.
  3. Search for the company’s  Beta coefficient on the Summary page. Make a note of this number.
  4. Next, go to the Key Statistics page. The link is located in the left-hand column. Once on the Key Statistics page look for the “Trading Information” Here you will find the 52-week change for the stock and for the S&P 500. Write these two numbers down.
  5. Next, go to and search for information on US Treasury Bills. There should be 3-month, 6-month, 2-year, etc. These are found toward the bottom of the home page in an area called Data Center.  Select the 6-month rate, and make a note of this number.
  6. Using the information above (the stock’s Beta, the rate on the 6-month Treasury, and the average 52-week return for the S&P 500) compute the required rate of return for your stock. In other words, plug these numbers into the CAPM model.

Requirements for your post:

  1. Title your post with the name of your company.
  2. Compare the required rate of return that you just computed with the 52-week change for the security. Show us your work!
  3. What do you notice? How does the computed CAPM expected return compare with the actual 52-week return?
  4. In your opinion, is this stock a good investment? Please explain your answer.

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