1、本周储备棉轮出销售底价（折标准级 3128B）=上一周国内市场
其中：1、国内市场棉花现货价格指数 =[中国棉花价格指数（3128B品种）+国家棉花价格指数（3128B品种）]÷2；
2、国际市场棉花现货价格指数=考特鲁克 A指数（折美元/吨）×汇率×（1+关税 1%）×（1+增值税 13%）；
3、汇率参照海关征税方式，采用上一个月第三个星期（如逢法定节假日，则顺延采用第四个星期三）
中国人民银行公布的外币对人民币的基准汇率。
质量等级价差按照中国棉花协会公布的棉花质量价差表执行。
National reserve cotton round out of the reserve price adjustment to determine once a week, the specific formula is as follows:
1, this week reserve cotton round out the sales price (folded standard grade 3128b) = a week domestic market cotton spot price index arithmetic average value * weight% a week the international market cotton spot price index arithmetic average weight * 50%
Among them: 1, domestic cotton spot market price index from the Chinese cotton prices index (3128b varieties) + national cotton price index (3128b varieties)] 83019 2;
2, the international market cotton spot price index = A index (U.S. dollars / ton) * exchange rate * (1+ tariff 1%) x (1+ 13%);
3, the rate according to the customs tax, using a month the three week (such as meet the legal holiday, will be postponed by the fourth week 3)
The benchmark exchange rate of foreign currency issued by the people's Bank of china.
Quality grade spread in accordance with the China Cotton Association announced the implementation of the quality of cotton price spread table.
