If one were to calculate the risk adjusted return? What data or information would be needed? The returns percentages of the entire portfolio?

It is need to calculate the risk-adjusted performance using the S&P 500 and one other

market index that you feel is the best benchmark for your portfolio. You

should combine the stocks in all accounts when you compute the risk-

adjusted performance. Risk-adjusted means you subtract the market

return from your individual stock returns.Please provide any insight