The price of Stock Y, which is currently $80, can go to $120, $90, or $60 in 6 months’ time. Security A pays $1 if the price of Stock Y in 6 months is $120, and zero otherwise. Security B pays $1 if the price of Stock Y in 6 months is $90, and zero otherwise. Security C pays $1 if the price of Stock Y in 6 months is $60, and zero otherwise. The prices of these securities are ??, ??, and ??, respectively. The discretely compounded risk-free interest rate is 5% per half-year (not annualized). When answering the questions below, explain your calculations. i. In the absence of arbitrage, what is the total cost of purchasing one unit each of securities A, B, and C? ii. If ?? = 0.2/1.05 ≈ 0.190476, what is the value of a 6-month European call on Stock Y with an exercise price of $75

EBK CONTEMPORARY FINANCIAL MANAGEMENT
14th Edition
ISBN:9781337514835
Author:MOYER
Publisher:MOYER
Chapter20: Financing With Derivatives
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The price of Stock Y, which is currently $80, can go to $120, $90, or $60 in 6 months’ time. Security A pays $1 if the price of Stock Y in 6 months is $120, and zero otherwise. Security B pays $1 if the price of Stock Y in 6 months is $90, and zero otherwise. Security C pays $1 if the price of Stock Y in 6 months is $60, and zero otherwise. The prices of these securities are ??, ??, and ??, respectively. The discretely compounded risk-free interest rate is 5% per half-year (not annualized). When answering the questions below, explain your calculations. i. In the absence of arbitrage, what is the total cost of purchasing one unit each of securities A, B, and C? ii. If ?? = 0.2/1.05 ≈ 0.190476, what is the value of a 6-month European call on Stock Y with an exercise price of $75

The price of Stock Y, which is currently $80, can go to $120, $90, or S60 in 6 months' time. Security A
pays $i if the price of Stock Y in 6 months is $120, and zero otherwise. Security B pays S1 if the price of
Stock Y in 6 months is $90, and zero otherwise. Security C pays $1 if the price of StockY in 6 months is
S60, and zero otherwise. The prices of these securities are pA , pB , and pC, respectively. The discretely
compounded risk-free interest rate is 5% per half-year (not 'annualised). When answering the questions
below, explain your calculations. i.
In the absence of arbitrage, what is the total cost of purchasing one unit each of securities A, B, and C?
ii. If pB = 0.2/1.05 - 0.190476, what is the value of a 6-month European call on Stock Y with an exercise
price of $75
Transcribed Image Text:The price of Stock Y, which is currently $80, can go to $120, $90, or S60 in 6 months' time. Security A pays $i if the price of Stock Y in 6 months is $120, and zero otherwise. Security B pays S1 if the price of Stock Y in 6 months is $90, and zero otherwise. Security C pays $1 if the price of StockY in 6 months is S60, and zero otherwise. The prices of these securities are pA , pB , and pC, respectively. The discretely compounded risk-free interest rate is 5% per half-year (not 'annualised). When answering the questions below, explain your calculations. i. In the absence of arbitrage, what is the total cost of purchasing one unit each of securities A, B, and C? ii. If pB = 0.2/1.05 - 0.190476, what is the value of a 6-month European call on Stock Y with an exercise price of $75
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