10月17日硝酸与硝酸钾商品比价指数为200.10，与昨日持平，较周期内高点213.62点（2021-10-10）下降了6.33%，较2016年04月06日低点82.05点上涨了143.88%。(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，当天硝酸参考价为3356.67,自2021/10/10起，8天陆续下降了5.888%。当天下游商品硝酸钾参考价为5425.00。
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