How can I calculate :

1.b. The S&P 500 index portfolio over this same period assuming you keep the same amount in cash.

2.We are using the S&P 500 index as our proxy for the market.

3.4. Plot the daily market value of your portfolio and the daily market value of the S&P 500 using your calculations in

4.#3. 5. Using the market values you calculated in #3, calculate the daily returns (percent) for a. your portfolio

5.b. The S&P 500 index portfolio.

6.6. Using your calculations in #5,

7.calculate a. The average daily return and the standard deviation of daily returns for both the S&P 500 index and your portfolio.

8.b. your portfolio's beta by calculating the covariance of your portfolio's daily returns with the S&P 500's daily returns and dividing that by the variance of the S&P 500.