2008年8月20日—2008年9月19日国际原油的暴跌累及乙烯、丙烯单体双双走低,并重创了原本需求不振的国内塑料市场。本期广东塑料交易所各交易品种行情均表现为大幅下跌,价格屡创年内低新。在市场阴霾笼罩下,本期广塑指数表现为持续大幅下挫,于8月27目前后向下突破2007年低点的支撑后加速下滑,并在9月17日创出上市以来的历史新低883.43点。期末受 August 20, 2008 - September 19, 2008 The plunge of international crude oil hit both ethylene and propylene monomer, which hit the domestic plastics market, which was sluggish. Current trading conditions of the Guangdong Plastics Exchange all showed a sharp decline in the market, the price hit record low during the year. Under the haze of the market, the index for the current period showed continuous and sharp drop. It accelerated to drop after breaking through the support of the 2007 lows on August 27 and hit a record low since the listing on September 17. 883.43 point. At the end of the period