apply the skills youve learned during the lecture and tutorials and use excel to answer the assignment question.
Please read this paper carefully and follow all steps
FINANCIAL MODELLING ASSIGNMENT 2015/16
You will have to apply the skills youve learned during the lecture and tutorials and use excel to answer the assignment question. You must answer all your questions in one document i.e. in word and provide screenshots or copy and paste all your workings from excel into the word document.
You must not provide your answers in essay form. You are assessed on how you are able to use excel and how you are able to decompose the information it provides. Therefore your answers need to be clear and concise.
Collect ten years (1/1/2005 31/12/2014) of daily closing prices for a company of your choice.
a. What does the distribution of its daily log returns look like over the ten years? Please think of appropriate method to represent your data.
Is assuming that log returns are normally distributed a reasonable assumption to make here? (Excels Frequency function may be useful here).
b. Using Monte Carlo simulations with 10000 runs simulate the closing prices of the company you have chosen in 130 trading days from the last day in your sample i.e. in half a years time (260 trading days in a year). You will have 10000 different estimated closing prices in half a years time. (Remember to calculate the a and s for the asset).
What does the distribution of simulated closing prices look like? Does the assumption that stock prices are lognormally distributed hold?
c. Imagine that on the last trading day (31/12/2014) you brought 100 shares of the firm you have selected. Using the simulations from part b. how much can you potentially loose on this investment in half a year with 1% certainty? (Excels percentile function will be useful here).
You need to consider carefully with your partner the best way to represent your data. Please state which company you have chosen. For part a. different companies have different return histories therefore the history of one company is different to the history of another. You are required to go into depth into your analysis of the companys historical returns i.e. has any extreme events occurred?
For part b. think about what the starting stock price is where you begin your simulation the value will depend on the company you have chosen but use the most recent closing price as the start value for the simulations (should be 31/12/2014). Imagine that 31/12/2014 is t =0 or today and we are simulating into the future.
Benningas Financial Modelling textbook may be useful. There are also various excel hints and tips online.
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