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El trimestre económico
On-line version ISSN 2448-718XPrint version ISSN 0041-3011
Abstract
ORTIZ-RAMIREZ, Ambrosio; VENEGAS-MARTINEZ, Francisco and DURAN-BUSTAMANTE, Mario. Valuación de opciones europeas sobre AMX-L, WALMEX-V y GMEXICO-B. Calibración de parámetros de volatilidad estocástica con funciones cuadráticas de pérdida. El trimestre econ [online]. 2014, vol.81, n.324, pp.943-988. ISSN 2448-718X.
This paper proposes a methodology to estimate the parameters of the stochastic volatility model from Heston (1993) through quadratic loss functions, which minimize the error between market prices and theoretical prices. To do this, three classes of loss functions are stated, two of which correspond to prices and the other one to implied volatilities. The proposed methodology is applied to a set of option prices on AMX-L, WALMEX-V, and GMEXICO-B. The results indicate that for call options on AMX-L the generated implied volatilities are consistent with observed data under the criterion of the root of the mean quadratic error, while for call options on WALMEX-V and GMEXICO-B the generated implied volatilities are consistent with observed data under the criterion of the root of the mean quadratic relative error.
Keywords : opciones financieras; volatilidad estocástica; modelos de calibración; estimación de parámetros.