芝加哥期货交易所(CBOT)豆粕21日收盘下跌。其中，12月期豆粕下跌6.1美元，收于344.2美元/短吨。
以下为CBOT豆粕21日收盘报价(单位:美元/短吨):
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合约代码开盘价最高价最低价收盘价涨跌成交量持仓量
10月/2011(SMCU)346.2348.0339.8339.9-5.910,95123,056
12月/2011(SMCV)350.3352.6343.5344.2-6.144,579100,350
1月/2012(SMCX)353.1354.4346.3346.3-6.12,61212,476
3月/2012(SMCF)355.0357.3349.5349.4-6.12,3189,659
5月/2012(SMCH)358.2359.4351.0350.9-6.281612,343
7月/2012(SMCK)360.2361.5353.2353.0-6.29958,933
8月/2012(SMCN)359.5359.5353.8351.5-5.8110964
9月/2012(SMCQ)356.9356.9351.0347.7-5.61971,027
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