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One-Dimensional Pricing of CPPI

Author

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  • Louis Paulot
  • Xavier Lacroze

Abstract

Constant Proportion Portfolio Insurance (CPPI) is an investment strategy designed to give participation in the performance of a risky asset while protecting the invested capital. This protection is, however, not perfect and the gap risk must be quantified. CPPI strategies are path dependent and may have American exercise which makes their valuation complex. A naive description of the state of the portfolio would involve three or even four variables. In this article we prove that the system can be described as a discrete-time Markov process in one single variable if the underlying asset follows a process with independent increments. This yields an efficient pricing scheme using transition probabilities. Our framework is flexible enough to handle most features of traded CPPIs including profit lock-in and other kinds of strategies with discrete-time reallocation.

Suggested Citation

  • Louis Paulot & Xavier Lacroze, 2011. "One-Dimensional Pricing of CPPI," Applied Mathematical Finance, Taylor & Francis Journals, vol. 18(3), pages 207-225.
  • Handle: RePEc:taf:apmtfi:v:18:y:2011:i:3:p:207-225
    DOI: 10.1080/1350486X.2010.486571
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    Cited by:

    1. Schied, Alexander, 2014. "Model-free CPPI," Journal of Economic Dynamics and Control, Elsevier, vol. 40(C), pages 84-94.
    2. Alexander Schied, 2013. "Model-free CPPI," Papers 1305.5915, arXiv.org, revised Jan 2014.

    More about this item

    Keywords

    CPPI; portfolio insurance; option; pricing; gap risk; markov;

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