Assume you manage a well-diversified $100 million portfolio of U.S. large capitalization stocks, which is typically as
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Question:
a. If the expected volatility of your portfolio over the next six months is 18% p.a., what is the 5% VaR of your portfolio using a single-tailed test?
b. On October 19, 1987, the S&P 500 Index fell 20.5% in one day. If one assumes (i) the historical annualized volatility of the S&P 500 Index is also 20%, (ii) the expected move in this Index is random from day to day and is therefore essentially 0%, and (iii) there are 256 business days in a year, by how many standard deviations did the Index move on this day?
c. Given you answer in part (b). immediately above, what are the implications of this event for the value at risk ("VaR") methodology of risk assessment?
Related Book For
Corporate Finance
ISBN: 978-0077861759
10th edition
Authors: Stephen Ross, Randolph Westerfield, Jeffrey Jaffe
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