上周五大盤(pan)震蕩下跌(die)，最(zui)終(zhong)滬深300指數收盤(pan)下跌(die)0.51%，期(qi)指走(zou)勢微強(qiang)(qiang)于現貨走(zou)勢，其中(zhong)，主(zhu)力合約收盤(pan)下跌(die)0.17%，升(sheng)水幅度增加(jia)(jia)1.42點至(zhi)11.68點，持(chi)倉(cang)量減(jian)少2122手(shou)(shou)(shou)(shou)至(zhi)152092手(shou)(shou)(shou)(shou)。從主(zhu)力席位持(chi)倉(cang)變(bian)化情況看，多(duo)頭前(qian)20合計(ji)加(jia)(jia)倉(cang)642手(shou)(shou)(shou)(shou)，空(kong)(kong)(kong)頭前(qian)20合計(ji)減(jian)倉(cang)4113手(shou)(shou)(shou)(shou)，主(zhu)力凈(jing)(jing)空(kong)(kong)(kong)持(chi)倉(cang)減(jian)少4642手(shou)(shou)(shou)(shou)至(zhi)18171手(shou)(shou)(shou)(shou)。具體席位上，中(zhong)信期(qi)貨加(jia)(jia)倉(cang)239手(shou)(shou)(shou)(shou)多(duo)單并(bing)減(jian)倉(cang)458手(shou)(shou)(shou)(shou)空(kong)(kong)(kong)單，凈(jing)(jing)空(kong)(kong)(kong)持(chi)倉(cang)減(jian)少697手(shou)(shou)(shou)(shou)至(zhi)955手(shou)(shou)(shou)(shou)；國泰君安減(jian)倉(cang)709手(shou)(shou)(shou)(shou)多(duo)單并(bing)減(jian)倉(cang)1882手(shou)(shou)(shou)(shou)空(kong)(kong)(kong)單，凈(jing)(jing)空(kong)(kong)(kong)持(chi)倉(cang)增加(jia)(jia)1173手(shou)(shou)(shou)(shou)至(zhi)2799手(shou)(shou)(shou)(shou)。綜合來(lai)看，傳(chuan)統兩(liang)大主(zhu)力空(kong)(kong)(kong)單力度有所減(jian)小，但多(duo)頭的防守強(qiang)(qiang)度仍將接受考驗。