(a) Write down mathematical expressions for the values of European call and put options on a...
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(a) Write down mathematical expressions for the values of European call and put options on a given security at expiry, explaining any terms that you use. Also, sketch the pay-off diagram in each case, assuming that there are transaction costs. (4 marks) (b) Sketch the pay-off diagrams for each of the following portfolios, assuming that there are transaction costs: i. Short one share and long one call and three puts both with strike price K; (3 marks) ii. Short one call with strike price 2K and short one call with strike price 4K, and long one call with strike price K; and (6 marks) iii. Short one call and short two puts both with strike price K and long one share. (3 marks) (c) A portfolio consists of the following: long: 100 shares; 300 puts with strike price 115p; 200 puts with strike price 100p: and short: 400 calls with strike price 110p: 210 calls with strike price 195p. Assuming that the options all have the same expiry date, find the value of the portfolio at expiry if the share price is: i. 185p: ii. 195p: iii. 200p: or iv. 215p. (a) Write down mathematical expressions for the values of European call and put options on a given security at expiry, explaining any terms that you use. Also, sketch the pay-off diagram in each case, assuming that there are transaction costs. (4 marks) (b) Sketch the pay-off diagrams for each of the following portfolios, assuming that there are transaction costs: i. Short one share and long one call and three puts both with strike price K; (3 marks) ii. Short one call with strike price 2K and short one call with strike price 4K, and long one call with strike price K; and (6 marks) iii. Short one call and short two puts both with strike price K and long one share. (3 marks) (c) A portfolio consists of the following: long: 100 shares; 300 puts with strike price 115p; 200 puts with strike price 100p: and short: 400 calls with strike price 110p: 210 calls with strike price 195p. Assuming that the options all have the same expiry date, find the value of the portfolio at expiry if the share price is: i. 185p: ii. 195p: iii. 200p: or iv. 215p.
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a The value of a European call option on a security with strike price K and underlying price S at expiry is given by the following expression Call value maxS K 0 This means that the value of the call ... View the full answer
Related Book For
Financial Accounting Information For Decisions
ISBN: 978-0324672701
6th Edition
Authors: Robert w Ingram, Thomas L Albright
Posted Date:
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