中(zhong)證(zheng)(zheng)網訊（記(ji)者(zhe) 王輝）10月(yue)20日，A股(gu)市場主(zhu)(zhu)要股(gu)指偏(pian)弱震蕩，中(zhong)國金融期(qi)(qi)(qi)貨(huo)交(jiao)易所股(gu)指期(qi)(qi)(qi)貨(huo)三(san)大(da)品種主(zhu)(zhu)力合約(yue)漲跌互現。截至(zhi)收(shou)盤，滬深300股(gu)指期(qi)(qi)(qi)貨(huo)主(zhu)(zhu)力合約(yue)IF2111小幅下跌0.23%至(zhi)4899.6點(dian)(dian)，上證(zheng)(zheng)50股(gu)指期(qi)(qi)(qi)貨(huo)主(zhu)(zhu)力合約(yue)IH2111小漲0.14%至(zhi)3260點(dian)(dian)，中(zhong)證(zheng)(zheng)500股(gu)指期(qi)(qi)(qi)貨(huo)主(zhu)(zhu)力合約(yue)IC2112下跌0.11%至(zhi)7017點(dian)(dian)。