Are Spanish Ibex35 stock future index returns forecasted with non-linear models?

Jorge V. Pérez-Rodríguez (), Salvador Torra and Julian Andrada-Felix ()

Applied Financial Economics, 2005, vol. 15, issue 14, pages 963-975

Abstract: This study employs different nonlinear models (smooth transition autoregressive models (STAR), artificial neural networks (ANN) and nearest neighbours (NN)) to study the predictability of one-step-ahead forecast returns for the Ibex35 stock future index at a one year forecast horizon. It is found that the STAR, ANN and NN models beat the random walk (RW) and linear autoregressive (AR) models in out-of-sample forecast statistical accuracy, and also when economic criteria were used in a simple trading strategy including the impact of transaction costs on trading strategy profits. Finally, the overall results suggest that the nonlinear models (particularly ANN and NN) considered for the Ibex35 stock future index appear to provide a reasonable description of asset price movements in improving returns forecasts for the chosen horizon.

Date: 2005
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