Abstract

http://ssrn.com/abstract=1260091
 
 

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Capital Protection: Modeling the CPPI Portfolio


Alessandro Paolo Luigi Cipollini


Deutsche Bank, Fixed Income Research; Università Degli Studi del Sacro Cuore di Milano - Laboratory of Statistics; University of Milan-Bicocca - Department of Mathematics and Applications

August 27, 2008


Abstract:     
The aim of the paper is to introduce a rigorous mathematical modellization of the Constant Proportion Portfolio Insurance (CPPI), with as principal aims: to capture the characteristic of the portfolio's distribution, to analyze the properties of the return/risk profile and to identify a procedure through it is possible to produce reliable future target returns. Particular stress has been made in order to produce closed formulas that may lead to easy Monte-Carlo simulation estimates. Moreover as attempt to hedge the CPPI portfolio's risks, the approach followed relies on classical replication techniques: the closing out effect and the gap risk are faced by acting on the CPPI as on a self-financed hedging strategy and converting it in a synthetic derivative. In addition to put an extra protection it has been studied the case of Vanilla options having as underlying the CPPI portfolio's value at maturity and as strike the protected amount. Two are the CPPI portfolios analyzed. As first it has been considered the known case of a CPPI portfolio whose risky exposure is non-constrained and whose floor consists in the risk-less bond. As second, it has been tested the mathematical model on the case of a CPPI whose portfolio's risky exposure is constrained and whose floor is rebalanced at any time of the financial horizon.

Number of Pages in PDF File: 36

Keywords: Capital protection, CPPI, Non-arbitrage price, Monte-Carlo methods

JEL Classification: G10, G11, G12, C0

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Date posted: September 20, 2008  

Suggested Citation

Cipollini, Alessandro Paolo Luigi, Capital Protection: Modeling the CPPI Portfolio (August 27, 2008). Available at SSRN: http://ssrn.com/abstract=1260091 or http://dx.doi.org/10.2139/ssrn.1260091

Contact Information

Alessandro Paolo Luigi Cipollini (Contact Author)
Deutsche Bank, Fixed Income Research ( email )
Winchester House
Great Winchester Street, 1
London EC2N 2DB
United Kingdom
Università Degli Studi del Sacro Cuore di Milano - Laboratory of Statistics ( email )
Via Necchi 9
Milano, MI 20121
Italy
HOME PAGE: http://www.unicatt.it
University of Milan-Bicocca - Department of Mathematics and Applications ( email )
Piazza dell'Ateneo Nuovo, 1
Milano, MI 20126
Italy
+390264485728 (Phone)
HOME PAGE: http://www.matapp.unimib.it
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