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4 Historical returns Download the Excel file returns . xls from the Assignments tab in Cyber Campus. The file contains the following data in its

4 Historical returns
Download the Excel file returns.xls from the Assignments tab in Cyber Campus.
The file contains the following data in its various columns: (A) years; (B)-(F): annual
nominal simple net returns for portfolios of growth stocks, value stocks, small stocks,
large stocks, as well as a broad market portfolio.
(a) Use Excel to calculate the average simple return for all five of these portfolios
(hint: use the AV ERAGE function in the 98th row). Rank the returns. Explain.
(b) In H3, write = ln(1+ B3/100) which computes the log return in year 1927 for
the growth portfolio. By copying the cell H3, compute the log return for all five
portfolios and all years. What is the average log return for the five portfolios?
(c) Our next goal is to compute the cumulative log return for all five portfolios. In N3,
write = SUM(H$3 : H3). The $ sign ensures that when you copy this cell, the
number following $ (3 in this case) will not change. Copy the cell N3 to compute
the cumulative log return for all five portfolios and all years.
(d) To compute the value of $1 invested at the beginning of 1927, in cell T3 write
= EXP(N3). Fill in the cells for the other portfolios and years by copying this.
What is the value of this investment in 2021 for each of the five portfolios? Rank
the five portfolios by their performance during 1927-2021.
(e) Create a plot for the performance of all five portfolios. Do this by highlighting
columns T-X. Then (in the most recent version), click Insert tab and choose a Line
chart. By right-clicking the chart and choose Select Data, you have the option
to rename the series, and also to add labels for the X axis (from column A). Create
the plot as a new sheet. Right click on the vertical axis, choose format axis, and
check Logarithmic scale. Turn in screen shot of your figure in your solution.
(f) Use Excel to compute the standard deviation of the simple net return for all
five portfolios (hint: in 99th row, use the COVARIANCE.S function, note that
cov(X, X)= var(X), and that SQRT computes the square root.). What do you
find? Does it make sense?
(g) In column Z, compute the net simple return for an equal weighted portfolio invested
in growth and value stocks. Use Excel to compute the mean and standard deviation
of this return. How do these numbers compare to the mean and standard deviation
of the value and growth portfolios? Does this make sense?

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