2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/210213The present paper introduces a majority orienting model in which the dealers' behavior changes based on the influence of the price to show the oscillation of stock price in the stock market. We show the oscillation of the price for the model by applying the van der Pol equation which is a deterministic approximation of our model.Exactly Solvable and Integrable SystemsTrading and Market Microstructuretext