Polyester filament yarn market fluctuated slightly and prices went down due to sluggish demand from the downstream market in the Chinese domestic market. Polyester filament yarn prices declined due to weak market fundamentals during the first half. Prices for Polyester filament yarn decreased in the USD based market due to subdued demand from the downstream buyers during the first half. Polyester filament yarn market sentiments remained lackluster amid Dragon Boat Festival holidays during the second half.