11月2日纯碱与玻璃商品比价指数为103.57，较昨日上升了2.74点，创下周期内的历史新高，较2020年12月28日低点40.57点上涨了155.29%。(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，当天纯碱参考价为3687.50,自2020/7/8起，483天陆续上涨了193.434%。当天下游商品玻璃参考价为30.31,自2021/9/21起，43天陆续下降了21.781%。
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