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Protección contra la exposición del tipo de cambio a largo plazo con contratos de futuros a corto plazo. El caso de los contratos forward en UF Chilenas/dólares

Author

Listed:
  • Castillo, Augusto

    (Escuela de Administración de Empresas de la Pontificia Universidad Católica de Chile)

  • Lefort, Fernando

    (Escuela de Administración de Empresas de la Pontificia Universidad Católica de Chile)

Abstract

In this paper we analyze the problem faced by a firm who is exposed to long-term exchange rate risk, having no access to long-term forward contracts that would allow hedging the exchange risk perfectly. We analyze how much of the long-term exchange rate risk faced by the firm can be eliminated using short-term maturity contracts, identifying under which conditions the use of short-term maturity contracts would allow for perfect hedging. The use of short-term forward contracts to hedge against long-term exposure forces the firms, as times evolves, to roll the hedge over as old forward contracts mature and new ones are listed, giving rise to some degree of exposition. We develop strategies to increase the hedging provided by short-term futures and forward contracts, exploring the characterization of an optimal hedging strategy, considering that there are several short-term forward contracts with different maturities coexisting. We show that up to 98.39% of the total exchange rate risk faced by an investor receiving a cash flow ten years from now could be hedged by taking positions in short-term forward contracts. Finally we explore how general is our solution.// En este artículo analizamos el problema que enfrenta una empresa expuesta a riesgo cambiario de largo plazo, sin tener acceso a contratos forward de largo plazo que le permitan lograr cobertura perfecta. Analizamos que proporción del riesgo cambiario que enfrenta esta empresa puede ser eliminado utilizando contratos forward de corto plazo, e identificamos las situaciones en que la cobertura óptima es o no es alcanzable. Mostramos que en un panorama con tasas de interés estocásticas la cobertura optima no es alcanzable y presentamos una metodología que permite descubrir en ese caso la estrategia de cobertura óptima. Aplicamos esta metodología al caso específico del tipo de cambio UF de Chile/dólar de Estados Unidos y encontramos que en ese caso es posible mediante nuestra metodología identificar una estrategia de cobertura que permite eliminar 98.4% del riesgo cambiario que supone recibir un flujo de caja en dólares en 10 años más, mediante el uso posiciones en contratos forward en UF/dólar con vencimiento en tres y doce meses y rebalanceando estas posiciones cada vez que estos contratos vencen.

Suggested Citation

  • Castillo, Augusto & Lefort, Fernando, 2003. "Protección contra la exposición del tipo de cambio a largo plazo con contratos de futuros a corto plazo. El caso de los contratos forward en UF Chilenas/dólares," El Trimestre Económico, Fondo de Cultura Económica, vol. 0(279), pages 423-456, julio-sep.
  • Handle: RePEc:elt:journl:v:70:y:2003:i:279:p:423-456
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    Cited by:

    1. Augusto Castillo R. & Rafael Aguila, 2005. "Estrategias Optimas De Cobertura En Presencia De Incertidumbre En Costos Y Cantidad," Abante, Escuela de Administracion. Pontificia Universidad Católica de Chile., vol. 8(2), pages 88-110.

    More about this item

    Keywords

    riesgo cambiario; cobertura; forwards;
    All these keywords.

    JEL classification:

    • C0 - Mathematical and Quantitative Methods - - General
    • C6 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling
    • F3 - International Economics - - International Finance

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