9月16日乙二醇与涤纶fdy商品比价指数为109.02，较昨日下降了0.02点，较周期内高点144.66点（2015-06-30）下降了24.64%，较2019年07月04日低点74.96点上涨了45.44%。(注：周期指2012-01-01至今)
注：本站定义，比价指数为周期内上下游商品每日价格之比的定基指数化结果。
据本站数据，当天乙二醇参考价为5560.00,自2021/8/26起，22天陆续上涨了6.581%。当天下游商品涤纶fdy参考价为7721.67。
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