Exercise

Compare old and new portfolios

Great work. You decide to buy stocks in Coca-Cola, and now your portfolio is made of equal proportions of four stocks: Yahoo, Microsoft, Apple and Coca-Cola.

In this exercise, you are given a dataset old.vs.new.portfolio with the following self-explanatory columns:

old.portfolio.value
new.portfolio.value
old.portfolio.rtn
new.portfolio.rtn

Instructions

100 XP

Plot the old portfolio value, then add the new portfolio value onto the same chart; make the old portfolio black and the new one red
Plot the density of the old portfolio returns, then add the density of the new portfolio returns on the same chart; make the old portfolio black and the new one red