Sinopec Naphtha Mutual Supply Price and A floating price using the Naphtha MOPJ formula. Question 1: what is the price of MOPJ? Mopj refers to the daily CFR Japan Naphtha CIF settlement price (i.e. MOPJ) commonly published in trade. It refers to the average value of the evaluated price in the two time periods of … Continue reading Sinopec Naphtha Mutual Supply Price and A floating price using the Naphtha MOPJ formula.