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# Start by retrieving MONTHLY data for the period of 01/01/2015 - 12/31/2017 from Yahoo website for Samp;P 500 Index (ticker:This assignment will require you to analyze time series of monthly returns. S

Start by retrieving MONTHLY data for the period of 01/01/2015 - 12/31/2017 from Yahoo website for Samp;P 500 Index (ticker:

**This assignment will require you to analyze time series of monthly returns. Start by retrieving MONTHLY data for the period of 01/01/2015 - 12/31/2017**

**from Yahoo website for −**

**S&P 500 Index (ticker: ^GSPC) −**

**Verizon Communications Inc. (ticker: VZ) −**

**Intel Corporation (ticker: INTC) −**

**Chevron Corporation (ticker: CVX) −**

**Apple Inc. (ticker: AAPL)**

**Instructions for downloading the data from Yahoo! Website (https://finance.yahoo.com/): **To obtain the monthly data for each company, on Yahoo! Finance website, enter the ticker symbol under Quote Lookup. Then, click on "Historical Data". Enter "Time Period" as given above. For "Frequency", make sure Monthly is selected and then click on "Apply". Click on "Download Data". Saving your final file: Keep only Date and Adj Close columns for each company. Put all three sets of data in one excel file to do further analysis. Very important:** Save your final file as a .xls or .xlsx** file before you start the computations. Comma delimited (.csv) files do not retain the formulae and cell references after closing the file. You will receive a grade of zero if your file does not contain cell references and formulae that show how you arrived at the various answers.

Calculating Returns:** Use the 'Adj Close' column to obtain returns for each period.** Remember that the Adjusted Close column has already adjusted the prices for dividends and stock splits so you do not have to adjust for it again.** Just use the adjusted close column to obtain the return R for each month t as: Rt = Adj Closet/Adj Closet-1**

A.** What is the average monthly return and standard deviation of returns for the above period for**

(i) S&P 500, (ii) Verizon, (iii) Intel, (iv) Chevron, (v) Apple. (vi) Comment on your findings.

**B. Calculate the stock betas:**

(i) Calculate Verizon's beta for the 01/01/2015 - 12/31/2017 period,

(ii) Calculate Intel's beta for the 01/01/2015 - 12/31/2017 period,

(iii) Calculate Chevron's beta for the 01/01/2015 - 12/31/2017 period,

(iv) Calculate Apple's beta for the 01/01/2015 - 12/31/2017 period.

(v) Comment on your findings

**C.If you were to form a portfolio that was equally invested in Verizon, Intel, and Chevron, what would be the average return and the standard deviation of returns for your portfolio?**

**D. If you were to add Apple to your portfolio so that the portfolio was equally invested in Verizon, Intel, Chevron, and Apple, what would be the new average return and standard deviation of returns for your portfolio? Is Apple a good addition to your portfolio? Why do you think so?**