Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
Problem 1PS
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Transcribed Image Text:4. What follows are several portfolios; each is denoted by the term Port. Graph
the profit curve at t = T for each of them. Determine the strengths and
weaknesses of each portfolio. Namely, explain what a reasonable investor must
be expecting to adopt each portfolio.
In this listing, CE denotes a Call with strike price E, -CE represents going
short on a Call-the Call was sold, PE is a put, -PE is going short on a put,
and the numbers E indicate the strike price.
(a) A "Long Call" is Port = CE-
(b) A "Short Call" is Port = -CE.
(c) A "Long Put" is Port = PE.
(d) A "Short Put" is Port = - PE.
(e) A "Long Straddle" is Port = PE + C£; namely, buy both a Put and Call
with the same strike price.
(f) A "Short Straddle" is Port = -P - C.
(g) A "Long Strangle" is Port = P£₁ +C£₂; namely, it is a purchase of a put
at strike price E₁, which is less than the strike price of a Call at E2
(h) a "Short butterfly" is Port = −CE₁ +2CE₂ - CE3 where E₁ < E₂ < E3.
(i) A "Long butterfly" is Port = CE₁ -2CE₂ + CE3) where E₁ < E2 < E3.
(j) A "Short Condor" is Port -CE₁ + CE₂ + CE3 - CE4 where E₁ <
=
E2 < E3 < E4.
(k) A "Long Condor" is Port = CE₁-CE₂ - CE3 + CE4
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