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This note is a review of known results about the paths of security prices in idealized financial markets that satisfy a version of the no-arbitrage condition. Without making any probabilistic assumptions, it is sometimes possible to characterize the roughness of the price paths. A few simple new results are also stated.
Original languageEnglish
Publication statusPublished - 3 May 2010


  • q-fin.GN
  • math.PR
  • q-fin.CP
  • 60G44, 91G80

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