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Que valent les options cachées ?

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  • Jean-François Boulier

Abstract

[eng] What are hidden options worth ?. Advance redemption, loan right, power of redemption, possibility of extension, all this are examples of hidden options : a designation which may seem misleading. These options are not at all hidden ones, but they are part of a variety of banking and insurance products which we are analysing on the French market. Instead, they share some typical characteristics of options, even if the comparison with derivative products negotiated on the financial markets enables to distinguish some differences. The article shows that the evaluation of these options remains a difficult task to perform mainly because it requires the modelling of customer's behaviour. It is nevertheless necessary to take into account their value when billing services, as well as regards financial and balance-sheet management. In fact, their small « issue » value (some 0,3 % in the case of early redemption) hides strong potential variations. As all derivatives products, these options have a high gearing. [fre] Remboursement par anticipation, droit au prêt, droit au rachat, possibilité d'extension, sont autant d'exemples d'options cachées dont la dénomination peut sembler trompeuse. Ces options n'ont rien de caché, mais elles sont intégrées à une variété de produits bancaires et d'assurance que nous passons en revue sur le marché français. Elles ont, en revanche des caractériqtiques typiques des options, même si la comparaison avec les produits dérivés traités sur les marchés financiers permet de déceler des différences. L'article montre que la valorisation de ces options reste un exercice difficile notamment parce qu'il suppose la modélisation du comportement des clients. La prise en compte de leur valeur dans la facturation des services, dans la gestion financière et bilantielle reste néanmoins nécessaire. Car leur faible valeur « à l'émission » (quelque 0,3 % dans le cas des remboursements par anticipation) cache des variations potentielles fortes. Comme tous les produits dérivés, ces options présentent en effet de forts effets de levier.

Suggested Citation

  • Jean-François Boulier, 1996. "Que valent les options cachées ?," Revue d'Économie Financière, Programme National Persée, vol. 37(2), pages 189-201.
  • Handle: RePEc:prs:recofi:ecofi_0987-3368_1996_num_37_2_2273
    DOI: 10.3406/ecofi.1996.2273
    Note: DOI:10.3406/ecofi.1996.2273
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