8月17日丙烯与丙烯酸商品比价指数为71.82，与昨日持平，较周期内高点218.56点（2020-04-13）下降了67.14%，较2021年08月10日低点71.44点上涨了0.53%。(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，当天丙烯参考价为7718.55。当天下游商品丙烯酸参考价为15666.67,自2021/2/18起，181天陆续上涨了68.459%。
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