Volume 2007, Issue 1 072326
Research Article
Open Access

Jump Telegraph Processes and Financial Markets with Memory

Nikita Ratanov

Nikita Ratanov

Faculty of Economics, Universidad del Rosario, Calle 14, No.4-69, Bogotá, Colombia urosario.edu.co

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First published: 25 October 2007
Citations: 9

Abstract

The paper develops a new class of financial market models. These models are based on generalized telegraph processes with alternating velocities and jumps occurring at switching velocities. The model under consideration is arbitrage-free and complete if the directions of jumps in stock prices are in a certain correspondence with their velocity and with the behaviour of the interest rate. A risk-neutral measure and arbitrage-free formulae for a standard call option are constructed. This model has some features of models with memory, but it is more simple.

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