The Japan domestic naphtha price for the quarter from July to September was forecast at Yen 63,200/kl, unchanged from Oct 20. For the quarter from October to December, on the other hand, the price was forecast at Yen 65,100/kl, up Yen 2,000/kl with a rise in naphtha prices on a CFR Japan basis and depreciation of the yen against US dollars.