Arbitrage with fractional Brownian motion

Abstract

In recent years fractional Brownian motion has been suggested to replace the classical Brownian motion as driving process in the modelling of many real world phenomena, including stock price modelling. In several papers seemingly contradictory results on the existence or absence of a riskless gain (arbitrage) in such stock models have been \nstated. This survey tries to clarify this issue by pointing to the importance of the chosen class of admissible trading strategies.

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