Choose a company you are interested in$.$

Download monthly historical stock prices for the last $5$ years for the company you chose and SPY $($the ETF that tracks the S&P $500).$

For your company and SPY calculate monthly returns $($not excess returns$).$

Create a scatterplot of the monthly returns.

Include a linear regression fit line.

According to your analysis, what is your company's stock beta?

Report your company's stock beta from $2$ other sources.

If the beta that you estimated is NOT within about $+/-20\%$ of the betas you found from other sources, you likely made a mistake in your calculation.

Why might the reported betas be different from the one that you calculated?