周三大(da)(da)盤全天(tian)震蕩，最(zui)終滬深300指(zhi)數(shu)收(shou)盤上(shang)(shang)漲(zhang)0.65%，期指(zhi)走勢(shi)弱于現貨(huo)走勢(shi)，其中(zhong)，主(zhu)力(li)合約收(shou)盤上(shang)(shang)漲(zhang)0.17%，升水幅度減(jian)少(shao)29.32點至(zhi)(zhi)2.38點，持(chi)(chi)倉(cang)(cang)(cang)量增(zeng)(zeng)加(jia)4098手(shou)(shou)(shou)至(zhi)(zhi)158544手(shou)(shou)(shou)。從主(zhu)力(li)席(xi)位持(chi)(chi)倉(cang)(cang)(cang)變化情況(kuang)看(kan)(kan)，多(duo)頭(tou)(tou)前20合計加(jia)倉(cang)(cang)(cang)1553手(shou)(shou)(shou)，空(kong)頭(tou)(tou)前20合計加(jia)倉(cang)(cang)(cang)4522手(shou)(shou)(shou)，主(zhu)力(li)凈空(kong)持(chi)(chi)倉(cang)(cang)(cang)增(zeng)(zeng)加(jia)4413手(shou)(shou)(shou)至(zhi)(zhi)19021手(shou)(shou)(shou)。具體席(xi)位上(shang)(shang)，中(zhong)信(xin)期貨(huo)減(jian)倉(cang)(cang)(cang)33手(shou)(shou)(shou)多(duo)單(dan)并(bing)加(jia)倉(cang)(cang)(cang)1172手(shou)(shou)(shou)空(kong)單(dan)，凈空(kong)持(chi)(chi)倉(cang)(cang)(cang)增(zeng)(zeng)加(jia)1205手(shou)(shou)(shou)至(zhi)(zhi)3201手(shou)(shou)(shou)；國泰君安減(jian)倉(cang)(cang)(cang)1512手(shou)(shou)(shou)多(duo)單(dan)并(bing)加(jia)倉(cang)(cang)(cang)234手(shou)(shou)(shou)空(kong)單(dan)，凈空(kong)持(chi)(chi)倉(cang)(cang)(cang)增(zeng)(zeng)加(jia)1746手(shou)(shou)(shou)至(zhi)(zhi)2498手(shou)(shou)(shou)。綜合來看(kan)(kan)，近(jin)期多(duo)頭(tou)(tou)稍占上(shang)(shang)風，但短(duan)期雙方的爭奪尚未分出勝負(fu)，周三，傳統兩大(da)(da)主(zhu)力(li)加(jia)大(da)(da)了空(kong)單(dan)力(li)度。