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# Pick two stocks, say Apple and Citigroup. Look at their monthly closing prices for last year on Yahoo Finance and: Estimate Beta for each of them.

Pick two stocks, say Apple and Citigroup. Look at their monthly closing prices for last year on Yahoo Finance and: a. Estimate Beta for each of them. b. Using the CAPM model, calculate the expected return for each. Assume a market risk premium of 8% and risk free rate of 4%. c. Calculate the standard deviation for each stock.

__APPLE INC__

**Year,-------- Average Stock Price,---------Year Open,---------- Year High,----------- Year Low,---------- Year Close,-----------Annual % Change**

2017--------------147.8062---------------------- 113.0082------------- 174.4212------------- 112.8817-------------167.3126,-----------------48.48%.

__CITIGROUP__

**YEAR,------- OPEN,--------- CLOSE,--------- ANNUAL RETURN**

2017-----------18.86------------- 26.54------------------- 40.72 %