8月16日环己酮与锦纶fdy商品比价指数为133.20，与昨日持平，较周期内高点151.81点（2021-05-13）下降了12.26%，较2020年04月03日低点84.52点上涨了57.60%。(注：周期指2015-01-01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，当天环己酮参考价为10240.00。当天下游商品锦纶fdy参考价为20800.00,自2021/7/26起，22天陆续下降了0.637%。
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