9月26日乙二醇与涤纶poy商品比价指数为112.44，较昨日下降了2.24点，较周期内高点148.11点（2015-06-30）下降了24.08%，较2019年07月07日低点75.10点上涨了49.72%。(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5680.00,自2021/6/24起，95天陆续上涨了17.924%。当天下游商品涤纶poy参考价为7527.78。
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