周三大(da)盤(pan)(pan)強(qiang)勁反(fan)彈，最終(zhong)滬深300指數收盤(pan)(pan)上(shang)(shang)漲(zhang)4.50%。期指走勢微弱于現(xian)(xian)貨指數，其中，主(zhu)力(li)合(he)(he)約收盤(pan)(pan)上(shang)(shang)漲(zhang)4.16%，貼水幅度增加(jia)(jia)1.07點至(zhi)2.89點。持倉(cang)(cang)量增加(jia)(jia)6667手(shou)(shou)(shou)(shou)(shou)(shou)至(zhi)112574手(shou)(shou)(shou)(shou)(shou)(shou)。從主(zhu)力(li)席(xi)(xi)位(wei)持倉(cang)(cang)變化情(qing)況看，多(duo)頭(tou)前20合(he)(he)計加(jia)(jia)倉(cang)(cang)6026手(shou)(shou)(shou)(shou)(shou)(shou)，空(kong)頭(tou)前20合(he)(he)計加(jia)(jia)倉(cang)(cang)4795手(shou)(shou)(shou)(shou)(shou)(shou)，主(zhu)力(li)凈空(kong)持倉(cang)(cang)減少988手(shou)(shou)(shou)(shou)(shou)(shou)至(zhi)9134手(shou)(shou)(shou)(shou)(shou)(shou)。具體席(xi)(xi)位(wei)上(shang)(shang)，中信期貨減倉(cang)(cang)1903多(duo)單并加(jia)(jia)倉(cang)(cang)126手(shou)(shou)(shou)(shou)(shou)(shou)空(kong)單，凈空(kong)持倉(cang)(cang)增加(jia)(jia)2029手(shou)(shou)(shou)(shou)(shou)(shou)至(zhi)4011手(shou)(shou)(shou)(shou)(shou)(shou)；國泰君安加(jia)(jia)倉(cang)(cang)49手(shou)(shou)(shou)(shou)(shou)(shou)多(duo)單并減倉(cang)(cang)1151手(shou)(shou)(shou)(shou)(shou)(shou)空(kong)單，其凈空(kong)持倉(cang)(cang)減少1200手(shou)(shou)(shou)(shou)(shou)(shou)至(zhi)4480手(shou)(shou)(shou)(shou)(shou)(shou)。綜合(he)(he)來看，傳(chuan)統的(de)兩(liang)大(da)主(zhu)力(li)對短期走勢的(de)判斷出現(xian)(xian)一定分歧，后市或出現(xian)(xian)震蕩。