6. Consider a double-period security market consisting of a bank account with interest rate y = 0.2 and one stock. Let the sample space be given by = {w₁,w2, w3} and let the price of the security be given - by S(0) = 6, S(1,w₁) = S(1,₂)= 8.4, S(1, 3) = 6, S(2,w₁) 11.52, S(2, w2) = 4.32, S(2, 3) = 7.2. D (i) Find a martingale measure, and argue that this market has no arbitrage opportunities and the market is complete. Consider the Asian put option with exercise time t 2 and strike price K = 8. Find the fair price of this option (up to 5 decimal places) at times t = 0 and t = 1.

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Consider a double-period security market consisting of a bank
account with interest rate y= 0.2 and one stock. Let the sample space
N be given by 2 = {wi, w2, w3} and let the price of the security be given
by
6.
S(0) = 6,
S(1, wr) = S(1, w2) = 8.4, S(1, w3) = 6,
S(2, wi) = 11.52, S(2, w2) = 4.32, S(2, w3) = 7.2.
%3D
%3D
%3D
(i)
Find a martingale measure, and argue that this market has
no arbitrage opportunities and the market is complete.
(ii)
Consider the Asian put option with exercise time t 2 and
strike price K = 8. Find the fair price of this option (up to 5 decimal
%3D
places) at times t 0 and t = 1.
Transcribed Image Text:Consider a double-period security market consisting of a bank account with interest rate y= 0.2 and one stock. Let the sample space N be given by 2 = {wi, w2, w3} and let the price of the security be given by 6. S(0) = 6, S(1, wr) = S(1, w2) = 8.4, S(1, w3) = 6, S(2, wi) = 11.52, S(2, w2) = 4.32, S(2, w3) = 7.2. %3D %3D %3D (i) Find a martingale measure, and argue that this market has no arbitrage opportunities and the market is complete. (ii) Consider the Asian put option with exercise time t 2 and strike price K = 8. Find the fair price of this option (up to 5 decimal %3D places) at times t 0 and t = 1.
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