Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
1998-10-20
Physics
Condensed Matter
Disordered Systems and Neural Networks
24 pages, LaTeX, epsfig.sty, 5 eps figures, changes in the presentation of the method, submitted to International J. of Theore
Scientific paper
We introduce and discuss a general criterion for the derivative pricing in the general situation of incomplete markets, we refer to it as the No Almost Sure Arbitrage Principle. This approach is based on the theory of optimal strategy in repeated multiplicative games originally introduced by Kelly. As particular cases we obtain the Cox-Ross-Rubinstein and Black-Scholes in the complete markets case and the Schweizer and Bouchaud-Sornette as a quadratic approximation of our prescription. Technical and numerical aspects for the practical option pricing, as large deviation theory approximation and Monte Carlo computation are discussed in detail.
Aurell Erik
Baviera Roberto
Hammarlid Ola
Serva Maurizio
Vulpiani Angelo
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