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Symmetry and Time Changed Brownian Motions

Author

Listed:
  • José Fajardo

    (IBMEC Business School - Rio de Janeiro)

  • Ernesto Mordecki

    (Central Bank of Brazil)

Abstract

In this paper we examine which Brownian Subordination with drift exhibits the symmetry property introduced by Fajardo and Mordecki (2006b). We obtain that when the subordination results in a Lévy process, a necessary and sufficient condition for the symmetry to hold is that drift must be equal to -1/2.

Suggested Citation

  • José Fajardo & Ernesto Mordecki, 2008. "Symmetry and Time Changed Brownian Motions," IBMEC RJ Economics Discussion Papers 2008-02, Economics Research Group, IBMEC Business School - Rio de Janeiro.
    • Handle: RePEc:ibr:dpaper:2008-02
    as

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    File URL: http://professores.ibmecrj.br/erg/dp/papers/dp200802.pdf
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    References listed on IDEAS

    as
    1. Dilip B. Madan & Peter P. Carr & Eric C. Chang, 1998. "The Variance Gamma Process and Option Pricing," Review of Finance, European Finance Association, vol. 2(1), pages 79-105.
    2. Eberlein, Ernst & Keller, Ulrich & Prause, Karsten, 1998. "New Insights into Smile, Mispricing, and Value at Risk: The Hyperbolic Model," The Journal of Business, University of Chicago Press, vol. 71(3), pages 371-405, July.
    3. JosE Fajardo & Ernesto Mordecki, 2006. "Symmetry and duality in Levy markets," Quantitative Finance, Taylor & Francis Journals, vol. 6(3), pages 219-227.
    4. José Fajardo & Ernesto Mordecki, 2006. "Pricing Derivatives On Two-Dimensional Lévy Processes," International Journal of Theoretical and Applied Finance (IJTAF), World Scientific Publishing Co. Pte. Ltd., vol. 9(02), pages 185-197.
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    More about this item

    Keywords

    Time Changed; Subordination; Symmetry;
    All these keywords.

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