周三大(da)盤強勁反彈，最終滬深300指數(shu)收盤上漲4.50%。期指走勢微弱(ruo)于現貨(huo)指數(shu)，其中(zhong)，主(zhu)力合約(yue)收盤上漲4.16%，貼(tie)水幅(fu)度增(zeng)加(jia)1.07點(dian)至2.89點(dian)。持(chi)倉(cang)(cang)量增(zeng)加(jia)6667手(shou)(shou)(shou)至112574手(shou)(shou)(shou)。從主(zhu)力席位持(chi)倉(cang)(cang)變化情(qing)況看(kan)，多頭前20合計(ji)(ji)加(jia)倉(cang)(cang)6026手(shou)(shou)(shou)，空(kong)頭前20合計(ji)(ji)加(jia)倉(cang)(cang)4795手(shou)(shou)(shou)，主(zhu)力凈空(kong)持(chi)倉(cang)(cang)減少988手(shou)(shou)(shou)至9134手(shou)(shou)(shou)。具體(ti)席位上，中(zhong)信期貨(huo)減倉(cang)(cang)1903多單(dan)并(bing)加(jia)倉(cang)(cang)126手(shou)(shou)(shou)空(kong)單(dan)，凈空(kong)持(chi)倉(cang)(cang)增(zeng)加(jia)2029手(shou)(shou)(shou)至4011手(shou)(shou)(shou)；國泰君安加(jia)倉(cang)(cang)49手(shou)(shou)(shou)多單(dan)并(bing)減倉(cang)(cang)1151手(shou)(shou)(shou)空(kong)單(dan)，其凈空(kong)持(chi)倉(cang)(cang)減少1200手(shou)(shou)(shou)至4480手(shou)(shou)(shou)。綜合來看(kan)，傳統的兩大(da)主(zhu)力對短期走勢的判斷出現一(yi)定分歧，后(hou)市或(huo)出現震蕩。