This research is aimed at investigating the impact of price and non-price on the demand for palm oil, supply and stock of palm oil in a foreign market. The data employed in this research were time series data. The analysis used the model of demand, supply and stock of palm oil. Full simultaneity in a dynamic model with inventories was adopted from Nerlove (1956). This research has shown that the supply of palm oil in the foreign market had a positive influence on the price, the area and the supply in previous years while the response of the demand was negative. On the other hand, the income and the demand in the previous years had a positive influence. The palm oil stock was influenced by the quantity in the previous years and international price.