consider the following information.
you have purchased 10,000 barrels of oil for delivery in one year at a price of $25/barrel. the rate of change of the price of oil is assumed to be normally distributed with zero mean and annual volatility of 30%, margin is to be paid within two days if the credit exposure becomes greater than $50000. there are 252business days in the year.
assuming enforceability of the margin agreement,which of the following is the closest number to the 95% one-yearcreadit risk of this deal governed under the margining agreement?
A. $50,000
B. $58,000
C. $61,000
D. $123,000
答案选c。是50000+1.645*30%*sqrt(2/252)*250000=61000
这是为什么啊,谢谢。


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