Question
Bonus Ouestion (mandatory for ISE6300 students): 6. (20 pts) The prices of stocks S_(1),S_(2),dots,S_(20) are i.i.d. uniform random variables on 10,30 . a) Suppose that
Bonus Ouestion (mandatory for ISE6300 students):\ 6. (20 pts) The prices of stocks
S_(1),S_(2),dots,S_(20)
are i.i.d. uniform random variables on
10,30
.\ a) Suppose that your portfolio consists of 1 share of each stock. What is the mean and variance of the total value
V
of your portfolio?\ b) Suppose that your portfolio consists of 20 shares of stock
S_(1)
only. What is the mean and variance of the total value
V
of your portfolio? Compare with a), which portfolio do you prefer? Why?\ c) Suppose that your portfolio consists of 10 shares of stock
S_(1)
and 10 shares of stock
S_(21)
, where the price of stock
S_(21)
is uniform on
10,30
but has perfect negative correlation (correlation
=-1
) with the price of
S_(1)
. What is the mean and variance of the total value
V
of your portfolio?
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