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Financial Engineering Lab 06 Solution

Consider the data in databases “bsedata1” and “nsedata1” that you have already obtained. Now for each of the stocks and for each of the market indices do the following :




Plot the prices against time (daily, weekly and monthly).



Compute the returns Ri (daily, weekly and monthly) and plot histograms of normalized returns



Rbi = Ri ;







where and are sample mean and sample standard deviation respectively. Superimpose on each of these histograms a graph of the density function N(0; 1).

Now, zoom into the tails of all these plots. What are your observations ?




Will the observations be different if you instead use the log returns ?



Now, consider the daily data only for the period January 1, 2014 to December 31, 2017 and estimate the and using log returns. Using the and , generate a path of stock prices that resembles (as closely as possible) the actual path of the stock for the period of January 1, 2018 to December 31, 2018.



Repeat the above with weekly and monthly data.



Summarize your observations in your report. Remember that you need not put all the figures in the report. General representative figures are sufficient, along with figures which show different behaviours.

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