We give a new way to price American options, using Samuelson´s formula. We first obtain the option price corresponding to a European option at time t, weighting it by the probability that the underlying asset takes the value S at time t. This factor is given by the solution of the Fokker-Planck...

The main result of this paper consists in the resolution of the inverse problem for the Black-Cox (1976) model, using the method proposed by Sukhomlin (2007). Based on the backward approach, we obtain an exact expression of the implied volatility expressed as a function of quantifiable market...

The main result of this paper consists in the resolution of the inverse problem for the Black-Cox (1976) model, using the method proposed by Sukhomlin (2007). Based on the backward approach, we obtain an exact expression of the implied volatility expressed as a function of quantifiable market...

Spanish Abstract: Propósito - Se estudian los determinantes y la evolución de la actividad bursátil mensual en el mercado accionario colombiano de 2007 a 2016.Diseño/metodología/enfoque – Para ello se emplean modelos de series de tiempo tipo ARIMAX y GARCH, incluyendo variables exógenas,...

Hart has established necessary and su¢ cient conditions for the existence of equilibrium in an economy consisting of two time periods in which agents trade assets whose returns depend on an uncertain state of nature. Hammond has enounced an equivalent condition from an alternative approach to...

This article studies the Chilean Stock Market's efficiency. To corroborate efficiency, we use a partial equilibrium model for financial asset pricing. We contrast between observed and expected Chilean stock price volatility under an efficient stock market framework. For the statistical analysis,...

The Peruvian financial system is highly dollarized with more than 50 per cent of deposits held in dollars. The structure and operation of the payment system reflect this financial dollarization. Not only does it settle payments in local and foreign currency, but the Intraday Financial Facility...