9月28日双氧水与瓦楞纸商品比价指数为117.50，较昨日下降了1.05点，较周期内高点246.00点（2019-10-21）下降了52.24%，较2019年01月29日低点107.54点上涨了9.26%。(注：周期指2017-01-01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，当天双氧水参考价为873.33,自2021/8/8起，52天陆续上涨了8.264%。当天下游商品瓦楞纸参考价为3736.67。
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