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Problem 2 . Consider the following table of Call / Put premia for maturity T = 1 year: table [ [ Strike , Call

Problem 2. Consider the following table of Call/Put premia for maturity T=1 year:
\table[[Strike,Call Premium,Put Premium],[95,6.49,1.78],[100,3.76,3.76],[105,1.94,6.65]]
The current asset price is S0=94 and the continuously compounded interest rate is r=0.05. Suppose you're long the stock with a cost basis of $92.
Draw the profit diagram at T=1 if in addition to being long the stock you buy a Put option with strike K=95. On the same diagram, plot the profit if you instead buy a Put option with strike K=100.
Draw the profit diagram at T=1 if in addition to being long the stock you sell a Call option with strike K=105(no Puts anymore). On the same diagram, plot the profit if you instead sell a Call option with strike K=100.
Let us assume that the stock price after 1 year has a Uniform distribution in the range 80,120.[This is not a very realistic assumption, but makes the computation much easier]. Compute the expected profit for each of the 4 strategies described above, as well as for the unhedged strategy of simply being long the stock. Which strategy yields the highest average profit?
Hint: since the underlying random variable is uniform, the expected profit is simply the average of your profit diagram in the range indicated, proportional to the area under the curve.
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