last 5 years (2021, 2020, 2019, 2018 and 2017) for Microsoft Corporation (MSFT) You can use yahoo finance

3. the annual rate of return (both arithmetic and continuous) for the last five years, the standard deviation and variance for those five years' monthly returns and the company's beta. Use monthly data, which means that you need to consider 61 prices (125=60, plus one because you need a base price to compute the first rate of return). To estimate the beta, you need to determine the covariance between the stock returns and the market returns. Use the SP500 index prices as a proxy to measure the American stock market. If the stock that you selected is traded in a different country, make sure that you select that country's market index returns. 3. the annual rate of return (both arithmetic and continuous) for the last five years, the standard deviation and variance for those five years' monthly returns and the company's beta. Use monthly data, which means that you need to consider 61 prices (125=60, plus one because you need a base price to compute the first rate of return). To estimate the beta, you need to determine the covariance between the stock returns and the market returns. Use the SP500 index prices as a proxy to measure the American stock market. If the stock that you selected is traded in a different country, make sure that you select that country's market index returns