Fajardo, JosE; Mordecki, Ernesto - In: Quantitative Finance 6 (2006) 3, pp. 219-227
The aim of this paper is to introduce the notion of symmetry in a Levy market. This notion appears as a particular case of a general known relation between prices of put and call options, of both the European and the American type, which is also reviewed in the paper, and that we call put-call...