English, Article edition: TERM STRUCTURE OF VANILLA OPTIONS DORJE C. BRODY; IRENE C. CONSTANTINOU; BERNHARD K. MEISTER

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Bookmark: http://trove.nla.gov.au/version/82920
Physical Description
  • article
Language
  • English

Edition details

Title
  • TERM STRUCTURE OF VANILLA OPTIONS
Author
  • DORJE C. BRODY
  • IRENE C. CONSTANTINOU
  • BERNHARD K. MEISTER
Physical Description
  • article
Notes
  • Every maturity-dependent derivative contract entails a term structure. For example, when the value of the portfolio consisting of a long position in a stock and a short position in a vanilla option is expressed in units of its instantaneous exercise value, the resulting quantity defines a discount function. Thus, the derivative of the discount function with respect to the time left until maturity defines a term structure density function, and the "hazard rate" associated with the discount function determines the forward rates for the vanilla option portfolio. The dynamics associated with these quantities are obtained in the complete market setting. In particular, one can model vanilla options based on the associated forward rates. The formulation based on forward rates for options extends the approach based on modeling the implied volatility process. As an illustrative example, the initial term structure of the BlackâScholes model is considered. It is shown in this example that the implied volatility smile has the effect of making the option forward rates homogeneous across different strikes.
  • Option term structure, implied forward rates, volatility smile
  • RePEc:wsi:ijtafx:v:10:y:2007:i:08:p:1323-1337
Language
  • English
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