9月23日纯碱与玻璃商品比价指数为56.11，与昨日持平，较周期内高点98.38点（2019-02-17）下降了42.97%，较2020年12月28日低点40.57点上涨了38.30%。(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2537.50,自2020/7/8起，443天陆续上涨了101.923%。当天下游商品玻璃参考价为38.50。
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